| | |
| | | // CodeMirror version 2.2
|
| | | //
|
| | | // All functions that need access to the editor's state live inside
|
| | | // the CodeMirror function. Below that, at the bottom of the file,
|
| | | // some utilities are defined.
|
| | |
|
| | | // CodeMirror is the only global var we claim
|
| | | var CodeMirror = (function() {
|
| | | // This is the function that produces an editor instance. It's
|
| | | // closure is used to store the editor state.
|
| | | function CodeMirror(place, givenOptions) {
|
| | | // Determine effective options based on given values and defaults.
|
| | | var options = {}, defaults = CodeMirror.defaults;
|
| | | for (var opt in defaults)
|
| | | if (defaults.hasOwnProperty(opt))
|
| | | options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt];
|
| | |
|
| | | var targetDocument = options["document"];
|
| | | // The element in which the editor lives.
|
| | | var wrapper = targetDocument.createElement("div");
|
| | | wrapper.className = "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : "");
|
| | | // This mess creates the base DOM structure for the editor.
|
| | | wrapper.innerHTML =
|
| | | '<div style="overflow: hidden; position: relative; width: 3px; height: 0px;">' + // Wraps and hides input textarea
|
| | | '<textarea style="position: absolute; padding: 0; width: 1px;" wrap="off" ' +
|
| | | 'autocorrect="off" autocapitalize="off"></textarea></div>' +
|
| | | '<div class="CodeMirror-scroll" tabindex="-1">' +
|
| | | '<div style="position: relative">' + // Set to the height of the text, causes scrolling
|
| | | '<div style="position: relative">' + // Moved around its parent to cover visible view
|
| | | '<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' +
|
| | | // Provides positioning relative to (visible) text origin
|
| | | '<div class="CodeMirror-lines"><div style="position: relative">' +
|
| | | '<div style="position: absolute; width: 100%; height: 0; overflow: hidden; visibility: hidden"></div>' +
|
| | | '<pre class="CodeMirror-cursor"> </pre>' + // Absolutely positioned blinky cursor
|
| | | '<div></div>' + // This DIV contains the actual code
|
| | | '</div></div></div></div></div>';
|
| | | if (place.appendChild) place.appendChild(wrapper); else place(wrapper);
|
| | | // I've never seen more elegant code in my life.
|
| | | var inputDiv = wrapper.firstChild, input = inputDiv.firstChild,
|
| | | scroller = wrapper.lastChild, code = scroller.firstChild,
|
| | | mover = code.firstChild, gutter = mover.firstChild, gutterText = gutter.firstChild,
|
| | | lineSpace = gutter.nextSibling.firstChild, measure = lineSpace.firstChild,
|
| | | cursor = measure.nextSibling, lineDiv = cursor.nextSibling;
|
| | | themeChanged();
|
| | | // Needed to hide big blue blinking cursor on Mobile Safari
|
| | | if (/AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent)) input.style.width = "0px";
|
| | | if (!webkit) lineSpace.draggable = true;
|
| | | if (options.tabindex != null) input.tabIndex = options.tabindex;
|
| | | if (!options.gutter && !options.lineNumbers) gutter.style.display = "none";
|
| | |
|
| | | // Check for problem with IE innerHTML not working when we have a
|
| | | // P (or similar) parent node.
|
| | | try { stringWidth("x"); }
|
| | | catch (e) {
|
| | | if (e.message.match(/runtime/i))
|
| | | e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)");
|
| | | throw e;
|
| | | }
|
| | |
|
| | | // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval.
|
| | | var poll = new Delayed(), highlight = new Delayed(), blinker;
|
| | |
|
| | | // mode holds a mode API object. doc is the tree of Line objects,
|
| | | // work an array of lines that should be parsed, and history the
|
| | | // undo history (instance of History constructor).
|
| | | var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), work, focused;
|
| | | loadMode();
|
| | | // The selection. These are always maintained to point at valid
|
| | | // positions. Inverted is used to remember that the user is
|
| | | // selecting bottom-to-top.
|
| | | var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false};
|
| | | // Selection-related flags. shiftSelecting obviously tracks
|
| | | // whether the user is holding shift.
|
| | | var shiftSelecting, lastClick, lastDoubleClick, draggingText, overwrite = false;
|
| | | // Variables used by startOperation/endOperation to track what
|
| | | // happened during the operation.
|
| | | var updateInput, userSelChange, changes, textChanged, selectionChanged, leaveInputAlone,
|
| | | gutterDirty, callbacks;
|
| | | // Current visible range (may be bigger than the view window).
|
| | | var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0;
|
| | | // bracketHighlighted is used to remember that a backet has been
|
| | | // marked.
|
| | | var bracketHighlighted;
|
| | | // Tracks the maximum line length so that the horizontal scrollbar
|
| | | // can be kept static when scrolling.
|
| | | var maxLine = "", maxWidth, tabText = computeTabText();
|
| | |
|
| | | // Initialize the content.
|
| | | operation(function(){setValue(options.value || ""); updateInput = false;})();
|
| | | var history = new History();
|
| | |
|
| | | // Register our event handlers.
|
| | | connect(scroller, "mousedown", operation(onMouseDown));
|
| | | connect(scroller, "dblclick", operation(onDoubleClick));
|
| | | connect(lineSpace, "dragstart", onDragStart);
|
| | | connect(lineSpace, "selectstart", e_preventDefault);
|
| | | // Gecko browsers fire contextmenu *after* opening the menu, at
|
| | | // which point we can't mess with it anymore. Context menu is
|
| | | // handled in onMouseDown for Gecko.
|
| | | if (!gecko) connect(scroller, "contextmenu", onContextMenu);
|
| | | connect(scroller, "scroll", function() {
|
| | | updateDisplay([]);
|
| | | if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px";
|
| | | if (options.onScroll) options.onScroll(instance);
|
| | | });
|
| | | connect(window, "resize", function() {updateDisplay(true);});
|
| | | connect(input, "keyup", operation(onKeyUp));
|
| | | connect(input, "input", fastPoll);
|
| | | connect(input, "keydown", operation(onKeyDown));
|
| | | connect(input, "keypress", operation(onKeyPress));
|
| | | connect(input, "focus", onFocus);
|
| | | connect(input, "blur", onBlur);
|
| | |
|
| | | connect(scroller, "dragenter", e_stop);
|
| | | connect(scroller, "dragover", e_stop);
|
| | | connect(scroller, "drop", operation(onDrop));
|
| | | connect(scroller, "paste", function(){focusInput(); fastPoll();});
|
| | | connect(input, "paste", fastPoll);
|
| | | connect(input, "cut", operation(function(){replaceSelection("");}));
|
| | |
|
| | | // IE throws unspecified error in certain cases, when
|
| | | // trying to access activeElement before onload
|
| | | var hasFocus; try { hasFocus = (targetDocument.activeElement == input); } catch(e) { }
|
| | | if (hasFocus) setTimeout(onFocus, 20);
|
| | | else onBlur();
|
| | |
|
| | | function isLine(l) {return l >= 0 && l < doc.size;}
|
| | | // The instance object that we'll return. Mostly calls out to
|
| | | // local functions in the CodeMirror function. Some do some extra
|
| | | // range checking and/or clipping. operation is used to wrap the
|
| | | // call so that changes it makes are tracked, and the display is
|
| | | // updated afterwards.
|
| | | var instance = wrapper.CodeMirror = {
|
| | | getValue: getValue,
|
| | | setValue: operation(setValue),
|
| | | getSelection: getSelection,
|
| | | replaceSelection: operation(replaceSelection),
|
| | | focus: function(){focusInput(); onFocus(); fastPoll();},
|
| | | setOption: function(option, value) {
|
| | | var oldVal = options[option];
|
| | | options[option] = value;
|
| | | if (option == "mode" || option == "indentUnit") loadMode();
|
| | | else if (option == "readOnly" && value) {onBlur(); input.blur();}
|
| | | else if (option == "theme") themeChanged();
|
| | | else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)();
|
| | | else if (option == "tabSize") operation(tabsChanged)();
|
| | | if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || option == "theme")
|
| | | operation(gutterChanged)();
|
| | | },
|
| | | getOption: function(option) {return options[option];},
|
| | | undo: operation(undo),
|
| | | redo: operation(redo),
|
| | | indentLine: operation(function(n, dir) {
|
| | | if (isLine(n)) indentLine(n, dir == null ? "smart" : dir ? "add" : "subtract");
|
| | | }),
|
| | | indentSelection: operation(indentSelected),
|
| | | historySize: function() {return {undo: history.done.length, redo: history.undone.length};},
|
| | | clearHistory: function() {history = new History();},
|
| | | matchBrackets: operation(function(){matchBrackets(true);}),
|
| | | getTokenAt: operation(function(pos) {
|
| | | pos = clipPos(pos);
|
| | | return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), pos.ch);
|
| | | }),
|
| | | getStateAfter: function(line) {
|
| | | line = clipLine(line == null ? doc.size - 1: line);
|
| | | return getStateBefore(line + 1);
|
| | | },
|
| | | cursorCoords: function(start){
|
| | | if (start == null) start = sel.inverted;
|
| | | return pageCoords(start ? sel.from : sel.to);
|
| | | },
|
| | | charCoords: function(pos){return pageCoords(clipPos(pos));},
|
| | | coordsChar: function(coords) {
|
| | | var off = eltOffset(lineSpace);
|
| | | return coordsChar(coords.x - off.left, coords.y - off.top);
|
| | | },
|
| | | markText: operation(markText),
|
| | | setBookmark: setBookmark,
|
| | | setMarker: operation(addGutterMarker),
|
| | | clearMarker: operation(removeGutterMarker),
|
| | | setLineClass: operation(setLineClass),
|
| | | hideLine: operation(function(h) {return setLineHidden(h, true);}),
|
| | | showLine: operation(function(h) {return setLineHidden(h, false);}),
|
| | | onDeleteLine: function(line, f) {
|
| | | if (typeof line == "number") {
|
| | | if (!isLine(line)) return null;
|
| | | line = getLine(line);
|
| | | }
|
| | | (line.handlers || (line.handlers = [])).push(f);
|
| | | return line;
|
| | | },
|
| | | lineInfo: lineInfo,
|
| | | addWidget: function(pos, node, scroll, vert, horiz) {
|
| | | pos = localCoords(clipPos(pos));
|
| | | var top = pos.yBot, left = pos.x;
|
| | | node.style.position = "absolute";
|
| | | code.appendChild(node);
|
| | | if (vert == "over") top = pos.y;
|
| | | else if (vert == "near") {
|
| | | var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()),
|
| | | hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft();
|
| | | if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight)
|
| | | top = pos.y - node.offsetHeight;
|
| | | if (left + node.offsetWidth > hspace)
|
| | | left = hspace - node.offsetWidth;
|
| | | }
|
| | | node.style.top = (top + paddingTop()) + "px";
|
| | | node.style.left = node.style.right = "";
|
| | | if (horiz == "right") {
|
| | | left = code.clientWidth - node.offsetWidth;
|
| | | node.style.right = "0px";
|
| | | } else {
|
| | | if (horiz == "left") left = 0;
|
| | | else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2;
|
| | | node.style.left = (left + paddingLeft()) + "px";
|
| | | }
|
| | | if (scroll)
|
| | | scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight);
|
| | | },
|
| | |
|
| | | lineCount: function() {return doc.size;},
|
| | | clipPos: clipPos,
|
| | | getCursor: function(start) {
|
| | | if (start == null) start = sel.inverted;
|
| | | return copyPos(start ? sel.from : sel.to);
|
| | | },
|
| | | somethingSelected: function() {return !posEq(sel.from, sel.to);},
|
| | | setCursor: operation(function(line, ch, user) {
|
| | | if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch, user);
|
| | | else setCursor(line, ch, user);
|
| | | }),
|
| | | setSelection: operation(function(from, to, user) {
|
| | | (user ? setSelectionUser : setSelection)(clipPos(from), clipPos(to || from));
|
| | | }),
|
| | | getLine: function(line) {if (isLine(line)) return getLine(line).text;},
|
| | | getLineHandle: function(line) {if (isLine(line)) return getLine(line);},
|
| | | setLine: operation(function(line, text) {
|
| | | if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length});
|
| | | }),
|
| | | removeLine: operation(function(line) {
|
| | | if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0}));
|
| | | }),
|
| | | replaceRange: operation(replaceRange),
|
| | | getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));},
|
| | |
|
| | | execCommand: function(cmd) {return commands[cmd](instance);},
|
| | | // Stuff used by commands, probably not much use to outside code.
|
| | | moveH: operation(moveH),
|
| | | deleteH: operation(deleteH),
|
| | | moveV: operation(moveV),
|
| | | toggleOverwrite: function() {overwrite = !overwrite;},
|
| | |
|
| | | posFromIndex: function(off) {
|
| | | var lineNo = 0, ch;
|
| | | doc.iter(0, doc.size, function(line) {
|
| | | var sz = line.text.length + 1;
|
| | | if (sz > off) { ch = off; return true; }
|
| | | off -= sz;
|
| | | ++lineNo;
|
| | | });
|
| | | return clipPos({line: lineNo, ch: ch});
|
| | | },
|
| | | indexFromPos: function (coords) {
|
| | | if (coords.line < 0 || coords.ch < 0) return 0;
|
| | | var index = coords.ch;
|
| | | doc.iter(0, coords.line, function (line) {
|
| | | index += line.text.length + 1;
|
| | | });
|
| | | return index;
|
| | | },
|
| | |
|
| | | operation: function(f){return operation(f)();},
|
| | | refresh: function(){updateDisplay(true);},
|
| | | getInputField: function(){return input;},
|
| | | getWrapperElement: function(){return wrapper;},
|
| | | getScrollerElement: function(){return scroller;},
|
| | | getGutterElement: function(){return gutter;}
|
| | | };
|
| | |
|
| | | function getLine(n) { return getLineAt(doc, n); }
|
| | | function updateLineHeight(line, height) {
|
| | | gutterDirty = true;
|
| | | var diff = height - line.height;
|
| | | for (var n = line; n; n = n.parent) n.height += diff;
|
| | | }
|
| | |
|
| | | function setValue(code) {
|
| | | var top = {line: 0, ch: 0};
|
| | | updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length},
|
| | | splitLines(code), top, top);
|
| | | updateInput = true;
|
| | | }
|
| | | function getValue(code) {
|
| | | var text = [];
|
| | | doc.iter(0, doc.size, function(line) { text.push(line.text); });
|
| | | return text.join("\n");
|
| | | }
|
| | |
|
| | | function onMouseDown(e) {
|
| | | setShift(e.shiftKey);
|
| | | // Check whether this is a click in a widget
|
| | | for (var n = e_target(e); n != wrapper; n = n.parentNode)
|
| | | if (n.parentNode == code && n != mover) return;
|
| | |
|
| | | // See if this is a click in the gutter
|
| | | for (var n = e_target(e); n != wrapper; n = n.parentNode)
|
| | | if (n.parentNode == gutterText) {
|
| | | if (options.onGutterClick)
|
| | | options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e);
|
| | | return e_preventDefault(e);
|
| | | }
|
| | |
|
| | | var start = posFromMouse(e);
|
| | |
|
| | | switch (e_button(e)) {
|
| | | case 3:
|
| | | if (gecko && !mac) onContextMenu(e);
|
| | | return;
|
| | | case 2:
|
| | | if (start) setCursor(start.line, start.ch, true);
|
| | | return;
|
| | | }
|
| | | // For button 1, if it was clicked inside the editor
|
| | | // (posFromMouse returning non-null), we have to adjust the
|
| | | // selection.
|
| | | if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;}
|
| | |
|
| | | if (!focused) onFocus();
|
| | |
|
| | | var now = +new Date;
|
| | | if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) {
|
| | | e_preventDefault(e);
|
| | | setTimeout(focusInput, 20);
|
| | | return selectLine(start.line);
|
| | | } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) {
|
| | | lastDoubleClick = {time: now, pos: start};
|
| | | e_preventDefault(e);
|
| | | return selectWordAt(start);
|
| | | } else { lastClick = {time: now, pos: start}; }
|
| | |
|
| | | var last = start, going;
|
| | | if (dragAndDrop && !posEq(sel.from, sel.to) &&
|
| | | !posLess(start, sel.from) && !posLess(sel.to, start)) {
|
| | | // Let the drag handler handle this.
|
| | | if (webkit) lineSpace.draggable = true;
|
| | | var up = connect(targetDocument, "mouseup", operation(function(e2) {
|
| | | if (webkit) lineSpace.draggable = false;
|
| | | draggingText = false;
|
| | | up();
|
| | | if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
|
| | | e_preventDefault(e2);
|
| | | setCursor(start.line, start.ch, true);
|
| | | focusInput();
|
| | | }
|
| | | }), true);
|
| | | draggingText = true;
|
| | | return;
|
| | | }
|
| | | e_preventDefault(e);
|
| | | setCursor(start.line, start.ch, true);
|
| | |
|
| | | function extend(e) {
|
| | | var cur = posFromMouse(e, true);
|
| | | if (cur && !posEq(cur, last)) {
|
| | | if (!focused) onFocus();
|
| | | last = cur;
|
| | | setSelectionUser(start, cur);
|
| | | updateInput = false;
|
| | | var visible = visibleLines();
|
| | | if (cur.line >= visible.to || cur.line < visible.from)
|
| | | going = setTimeout(operation(function(){extend(e);}), 150);
|
| | | }
|
| | | }
|
| | |
|
| | | var move = connect(targetDocument, "mousemove", operation(function(e) {
|
| | | clearTimeout(going);
|
| | | e_preventDefault(e);
|
| | | extend(e);
|
| | | }), true);
|
| | | var up = connect(targetDocument, "mouseup", operation(function(e) {
|
| | | clearTimeout(going);
|
| | | var cur = posFromMouse(e);
|
| | | if (cur) setSelectionUser(start, cur);
|
| | | e_preventDefault(e);
|
| | | focusInput();
|
| | | updateInput = true;
|
| | | move(); up();
|
| | | }), true);
|
| | | }
|
| | | function onDoubleClick(e) {
|
| | | for (var n = e_target(e); n != wrapper; n = n.parentNode)
|
| | | if (n.parentNode == gutterText) return e_preventDefault(e);
|
| | | var start = posFromMouse(e);
|
| | | if (!start) return;
|
| | | lastDoubleClick = {time: +new Date, pos: start};
|
| | | e_preventDefault(e);
|
| | | selectWordAt(start);
|
| | | }
|
| | | function onDrop(e) {
|
| | | e.preventDefault();
|
| | | var pos = posFromMouse(e, true), files = e.dataTransfer.files;
|
| | | if (!pos || options.readOnly) return;
|
| | | if (files && files.length && window.FileReader && window.File) {
|
| | | function loadFile(file, i) {
|
| | | var reader = new FileReader;
|
| | | reader.onload = function() {
|
| | | text[i] = reader.result;
|
| | | if (++read == n) {
|
| | | pos = clipPos(pos);
|
| | | operation(function() {
|
| | | var end = replaceRange(text.join(""), pos, pos);
|
| | | setSelectionUser(pos, end);
|
| | | })();
|
| | | }
|
| | | };
|
| | | reader.readAsText(file);
|
| | | }
|
| | | var n = files.length, text = Array(n), read = 0;
|
| | | for (var i = 0; i < n; ++i) loadFile(files[i], i);
|
| | | }
|
| | | else {
|
| | | try {
|
| | | var text = e.dataTransfer.getData("Text");
|
| | | if (text) {
|
| | | var end = replaceRange(text, pos, pos);
|
| | | var curFrom = sel.from, curTo = sel.to;
|
| | | setSelectionUser(pos, end);
|
| | | if (draggingText) replaceRange("", curFrom, curTo);
|
| | | focusInput();
|
| | | }
|
| | | }
|
| | | catch(e){}
|
| | | }
|
| | | }
|
| | | function onDragStart(e) {
|
| | | var txt = getSelection();
|
| | | // This will reset escapeElement
|
| | | htmlEscape(txt);
|
| | | e.dataTransfer.setDragImage(escapeElement, 0, 0);
|
| | | e.dataTransfer.setData("Text", txt);
|
| | | }
|
| | | function handleKeyBinding(e) {
|
| | | var name = keyNames[e.keyCode], next = keyMap[options.keyMap].auto, bound, dropShift;
|
| | | if (name == null || e.altGraphKey) {
|
| | | if (next) options.keyMap = next;
|
| | | return null;
|
| | | }
|
| | | if (e.altKey) name = "Alt-" + name;
|
| | | if (e.ctrlKey) name = "Ctrl-" + name;
|
| | | if (e.metaKey) name = "Cmd-" + name;
|
| | | if (e.shiftKey && (bound = lookupKey("Shift-" + name, options.extraKeys, options.keyMap))) {
|
| | | dropShift = true;
|
| | | } else {
|
| | | bound = lookupKey(name, options.extraKeys, options.keyMap);
|
| | | }
|
| | | if (typeof bound == "string") {
|
| | | if (commands.propertyIsEnumerable(bound)) bound = commands[bound];
|
| | | else bound = null;
|
| | | }
|
| | | if (next && (bound || !isModifierKey(e))) options.keyMap = next;
|
| | | if (!bound) return false;
|
| | | if (dropShift) {
|
| | | var prevShift = shiftSelecting;
|
| | | shiftSelecting = null;
|
| | | bound(instance);
|
| | | shiftSelecting = prevShift;
|
| | | } else bound(instance);
|
| | | e_preventDefault(e);
|
| | | return true;
|
| | | }
|
| | | var lastStoppedKey = null;
|
| | | function onKeyDown(e) {
|
| | | if (!focused) onFocus();
|
| | | var code = e.keyCode;
|
| | | // IE does strange things with escape.
|
| | | if (ie && code == 27) { e.returnValue = false; }
|
| | | setShift(code == 16 || e.shiftKey);
|
| | | // First give onKeyEvent option a chance to handle this.
|
| | | if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
|
| | | var handled = handleKeyBinding(e);
|
| | | if (window.opera) {
|
| | | lastStoppedKey = handled ? e.keyCode : null;
|
| | | // Opera has no cut event... we try to at least catch the key combo
|
| | | if (!handled && (mac ? e.metaKey : e.ctrlKey) && e.keyCode == 88)
|
| | | replaceSelection("");
|
| | | }
|
| | | }
|
| | | function onKeyPress(e) {
|
| | | if (window.opera && e.keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
|
| | | if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
|
| | | if (window.opera && !e.which && handleKeyBinding(e)) return;
|
| | | if (options.electricChars && mode.electricChars) {
|
| | | var ch = String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode);
|
| | | if (mode.electricChars.indexOf(ch) > -1)
|
| | | setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 75);
|
| | | }
|
| | | fastPoll();
|
| | | }
|
| | | function onKeyUp(e) {
|
| | | if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
|
| | | if (e.keyCode == 16) shiftSelecting = null;
|
| | | }
|
| | |
|
| | | function onFocus() {
|
| | | if (options.readOnly) return;
|
| | | if (!focused) {
|
| | | if (options.onFocus) options.onFocus(instance);
|
| | | focused = true;
|
| | | if (wrapper.className.search(/\bCodeMirror-focused\b/) == -1)
|
| | | wrapper.className += " CodeMirror-focused";
|
| | | if (!leaveInputAlone) resetInput(true);
|
| | | }
|
| | | slowPoll();
|
| | | restartBlink();
|
| | | }
|
| | | function onBlur() {
|
| | | if (focused) {
|
| | | if (options.onBlur) options.onBlur(instance);
|
| | | focused = false;
|
| | | wrapper.className = wrapper.className.replace(" CodeMirror-focused", "");
|
| | | }
|
| | | clearInterval(blinker);
|
| | | setTimeout(function() {if (!focused) shiftSelecting = null;}, 150);
|
| | | }
|
| | |
|
| | | // Replace the range from from to to by the strings in newText.
|
| | | // Afterwards, set the selection to selFrom, selTo.
|
| | | function updateLines(from, to, newText, selFrom, selTo) {
|
| | | if (history) {
|
| | | var old = [];
|
| | | doc.iter(from.line, to.line + 1, function(line) { old.push(line.text); });
|
| | | history.addChange(from.line, newText.length, old);
|
| | | while (history.done.length > options.undoDepth) history.done.shift();
|
| | | }
|
| | | updateLinesNoUndo(from, to, newText, selFrom, selTo);
|
| | | }
|
| | | function unredoHelper(from, to) {
|
| | | var change = from.pop();
|
| | | if (change) {
|
| | | var replaced = [], end = change.start + change.added;
|
| | | doc.iter(change.start, end, function(line) { replaced.push(line.text); });
|
| | | to.push({start: change.start, added: change.old.length, old: replaced});
|
| | | var pos = clipPos({line: change.start + change.old.length - 1,
|
| | | ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])});
|
| | | updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, change.old, pos, pos);
|
| | | updateInput = true;
|
| | | }
|
| | | }
|
| | | function undo() {unredoHelper(history.done, history.undone);}
|
| | | function redo() {unredoHelper(history.undone, history.done);}
|
| | |
|
| | | function updateLinesNoUndo(from, to, newText, selFrom, selTo) {
|
| | | var recomputeMaxLength = false, maxLineLength = maxLine.length;
|
| | | if (!options.lineWrapping)
|
| | | doc.iter(from.line, to.line, function(line) {
|
| | | if (line.text.length == maxLineLength) {recomputeMaxLength = true; return true;}
|
| | | });
|
| | | if (from.line != to.line || newText.length > 1) gutterDirty = true;
|
| | |
|
| | | var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line);
|
| | | // First adjust the line structure, taking some care to leave highlighting intact.
|
| | | if (from.ch == 0 && to.ch == 0 && newText[newText.length - 1] == "") {
|
| | | // This is a whole-line replace. Treated specially to make
|
| | | // sure line objects move the way they are supposed to.
|
| | | var added = [], prevLine = null;
|
| | | if (from.line) {
|
| | | prevLine = getLine(from.line - 1);
|
| | | prevLine.fixMarkEnds(lastLine);
|
| | | } else lastLine.fixMarkStarts();
|
| | | for (var i = 0, e = newText.length - 1; i < e; ++i)
|
| | | added.push(Line.inheritMarks(newText[i], prevLine));
|
| | | if (nlines) doc.remove(from.line, nlines, callbacks);
|
| | | if (added.length) doc.insert(from.line, added);
|
| | | } else if (firstLine == lastLine) {
|
| | | if (newText.length == 1)
|
| | | firstLine.replace(from.ch, to.ch, newText[0]);
|
| | | else {
|
| | | lastLine = firstLine.split(to.ch, newText[newText.length-1]);
|
| | | firstLine.replace(from.ch, null, newText[0]);
|
| | | firstLine.fixMarkEnds(lastLine);
|
| | | var added = [];
|
| | | for (var i = 1, e = newText.length - 1; i < e; ++i)
|
| | | added.push(Line.inheritMarks(newText[i], firstLine));
|
| | | added.push(lastLine);
|
| | | doc.insert(from.line + 1, added);
|
| | | }
|
| | | } else if (newText.length == 1) {
|
| | | firstLine.replace(from.ch, null, newText[0]);
|
| | | lastLine.replace(null, to.ch, "");
|
| | | firstLine.append(lastLine);
|
| | | doc.remove(from.line + 1, nlines, callbacks);
|
| | | } else {
|
| | | var added = [];
|
| | | firstLine.replace(from.ch, null, newText[0]);
|
| | | lastLine.replace(null, to.ch, newText[newText.length-1]);
|
| | | firstLine.fixMarkEnds(lastLine);
|
| | | for (var i = 1, e = newText.length - 1; i < e; ++i)
|
| | | added.push(Line.inheritMarks(newText[i], firstLine));
|
| | | if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks);
|
| | | doc.insert(from.line + 1, added);
|
| | | }
|
| | | if (options.lineWrapping) {
|
| | | var perLine = scroller.clientWidth / charWidth() - 3;
|
| | | doc.iter(from.line, from.line + newText.length, function(line) {
|
| | | if (line.hidden) return;
|
| | | var guess = Math.ceil(line.text.length / perLine) || 1;
|
| | | if (guess != line.height) updateLineHeight(line, guess);
|
| | | });
|
| | | } else {
|
| | | doc.iter(from.line, i + newText.length, function(line) {
|
| | | var l = line.text;
|
| | | if (l.length > maxLineLength) {
|
| | | maxLine = l; maxLineLength = l.length; maxWidth = null;
|
| | | recomputeMaxLength = false;
|
| | | }
|
| | | });
|
| | | if (recomputeMaxLength) {
|
| | | maxLineLength = 0; maxLine = ""; maxWidth = null;
|
| | | doc.iter(0, doc.size, function(line) {
|
| | | var l = line.text;
|
| | | if (l.length > maxLineLength) {
|
| | | maxLineLength = l.length; maxLine = l;
|
| | | }
|
| | | });
|
| | | }
|
| | | }
|
| | |
|
| | | // Add these lines to the work array, so that they will be
|
| | | // highlighted. Adjust work lines if lines were added/removed.
|
| | | var newWork = [], lendiff = newText.length - nlines - 1;
|
| | | for (var i = 0, l = work.length; i < l; ++i) {
|
| | | var task = work[i];
|
| | | if (task < from.line) newWork.push(task);
|
| | | else if (task > to.line) newWork.push(task + lendiff);
|
| | | }
|
| | | var hlEnd = from.line + Math.min(newText.length, 500);
|
| | | highlightLines(from.line, hlEnd);
|
| | | newWork.push(hlEnd);
|
| | | work = newWork;
|
| | | startWorker(100);
|
| | | // Remember that these lines changed, for updating the display
|
| | | changes.push({from: from.line, to: to.line + 1, diff: lendiff});
|
| | | var changeObj = {from: from, to: to, text: newText};
|
| | | if (textChanged) {
|
| | | for (var cur = textChanged; cur.next; cur = cur.next) {}
|
| | | cur.next = changeObj;
|
| | | } else textChanged = changeObj;
|
| | |
|
| | | // Update the selection
|
| | | function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;}
|
| | | setSelection(selFrom, selTo, updateLine(sel.from.line), updateLine(sel.to.line));
|
| | |
|
| | | // Make sure the scroll-size div has the correct height.
|
| | | code.style.height = (doc.height * textHeight() + 2 * paddingTop()) + "px";
|
| | | }
|
| | |
|
| | | function replaceRange(code, from, to) {
|
| | | from = clipPos(from);
|
| | | if (!to) to = from; else to = clipPos(to);
|
| | | code = splitLines(code);
|
| | | function adjustPos(pos) {
|
| | | if (posLess(pos, from)) return pos;
|
| | | if (!posLess(to, pos)) return end;
|
| | | var line = pos.line + code.length - (to.line - from.line) - 1;
|
| | | var ch = pos.ch;
|
| | | if (pos.line == to.line)
|
| | | ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0));
|
| | | return {line: line, ch: ch};
|
| | | }
|
| | | var end;
|
| | | replaceRange1(code, from, to, function(end1) {
|
| | | end = end1;
|
| | | return {from: adjustPos(sel.from), to: adjustPos(sel.to)};
|
| | | });
|
| | | return end;
|
| | | }
|
| | | function replaceSelection(code, collapse) {
|
| | | replaceRange1(splitLines(code), sel.from, sel.to, function(end) {
|
| | | if (collapse == "end") return {from: end, to: end};
|
| | | else if (collapse == "start") return {from: sel.from, to: sel.from};
|
| | | else return {from: sel.from, to: end};
|
| | | });
|
| | | }
|
| | | function replaceRange1(code, from, to, computeSel) {
|
| | | var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length;
|
| | | var newSel = computeSel({line: from.line + code.length - 1, ch: endch});
|
| | | updateLines(from, to, code, newSel.from, newSel.to);
|
| | | }
|
| | |
|
| | | function getRange(from, to) {
|
| | | var l1 = from.line, l2 = to.line;
|
| | | if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch);
|
| | | var code = [getLine(l1).text.slice(from.ch)];
|
| | | doc.iter(l1 + 1, l2, function(line) { code.push(line.text); });
|
| | | code.push(getLine(l2).text.slice(0, to.ch));
|
| | | return code.join("\n");
|
| | | }
|
| | | function getSelection() {
|
| | | return getRange(sel.from, sel.to);
|
| | | }
|
| | |
|
| | | var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll
|
| | | function slowPoll() {
|
| | | if (pollingFast) return;
|
| | | poll.set(options.pollInterval, function() {
|
| | | startOperation();
|
| | | readInput();
|
| | | if (focused) slowPoll();
|
| | | endOperation();
|
| | | });
|
| | | }
|
| | | function fastPoll() {
|
| | | var missed = false;
|
| | | pollingFast = true;
|
| | | function p() {
|
| | | startOperation();
|
| | | var changed = readInput();
|
| | | if (!changed && !missed) {missed = true; poll.set(60, p);}
|
| | | else {pollingFast = false; slowPoll();}
|
| | | endOperation();
|
| | | }
|
| | | poll.set(20, p);
|
| | | }
|
| | |
|
| | | // Previnput is a hack to work with IME. If we reset the textarea
|
| | | // on every change, that breaks IME. So we look for changes
|
| | | // compared to the previous content instead. (Modern browsers have
|
| | | // events that indicate IME taking place, but these are not widely
|
| | | // supported or compatible enough yet to rely on.)
|
| | | var prevInput = "";
|
| | | function readInput() {
|
| | | if (leaveInputAlone || !focused || hasSelection(input)) return false;
|
| | | var text = input.value;
|
| | | if (text == prevInput) return false;
|
| | | shiftSelecting = null;
|
| | | var same = 0, l = Math.min(prevInput.length, text.length);
|
| | | while (same < l && prevInput[same] == text[same]) ++same;
|
| | | if (same < prevInput.length)
|
| | | sel.from = {line: sel.from.line, ch: sel.from.ch - (prevInput.length - same)};
|
| | | else if (overwrite && posEq(sel.from, sel.to))
|
| | | sel.to = {line: sel.to.line, ch: Math.min(getLine(sel.to.line).text.length, sel.to.ch + (text.length - same))};
|
| | | replaceSelection(text.slice(same), "end");
|
| | | prevInput = text;
|
| | | return true;
|
| | | }
|
| | | function resetInput(user) {
|
| | | if (!posEq(sel.from, sel.to)) {
|
| | | prevInput = "";
|
| | | input.value = getSelection();
|
| | | input.select();
|
| | | } else if (user) prevInput = input.value = "";
|
| | | }
|
| | |
|
| | | function focusInput() {
|
| | | if (!options.readOnly) input.focus();
|
| | | }
|
| | |
|
| | | function scrollEditorIntoView() {
|
| | | if (!cursor.getBoundingClientRect) return;
|
| | | var rect = cursor.getBoundingClientRect();
|
| | | // IE returns bogus coordinates when the instance sits inside of an iframe and the cursor is hidden
|
| | | if (ie && rect.top == rect.bottom) return;
|
| | | var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight);
|
| | | if (rect.top < 0 || rect.bottom > winH) cursor.scrollIntoView();
|
| | | }
|
| | | function scrollCursorIntoView() {
|
| | | var cursor = localCoords(sel.inverted ? sel.from : sel.to);
|
| | | var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x;
|
| | | return scrollIntoView(x, cursor.y, x, cursor.yBot);
|
| | | }
|
| | | function scrollIntoView(x1, y1, x2, y2) {
|
| | | var pl = paddingLeft(), pt = paddingTop(), lh = textHeight();
|
| | | y1 += pt; y2 += pt; x1 += pl; x2 += pl;
|
| | | var screen = scroller.clientHeight, screentop = scroller.scrollTop, scrolled = false, result = true;
|
| | | if (y1 < screentop) {scroller.scrollTop = Math.max(0, y1 - 2*lh); scrolled = true;}
|
| | | else if (y2 > screentop + screen) {scroller.scrollTop = y2 + lh - screen; scrolled = true;}
|
| | |
|
| | | var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft;
|
| | | var gutterw = options.fixedGutter ? gutter.clientWidth : 0;
|
| | | if (x1 < screenleft + gutterw) {
|
| | | if (x1 < 50) x1 = 0;
|
| | | scroller.scrollLeft = Math.max(0, x1 - 10 - gutterw);
|
| | | scrolled = true;
|
| | | }
|
| | | else if (x2 > screenw + screenleft - 3) {
|
| | | scroller.scrollLeft = x2 + 10 - screenw;
|
| | | scrolled = true;
|
| | | if (x2 > code.clientWidth) result = false;
|
| | | }
|
| | | if (scrolled && options.onScroll) options.onScroll(instance);
|
| | | return result;
|
| | | }
|
| | |
|
| | | function visibleLines() {
|
| | | var lh = textHeight(), top = scroller.scrollTop - paddingTop();
|
| | | var from_height = Math.max(0, Math.floor(top / lh));
|
| | | var to_height = Math.ceil((top + scroller.clientHeight) / lh);
|
| | | return {from: lineAtHeight(doc, from_height),
|
| | | to: lineAtHeight(doc, to_height)};
|
| | | }
|
| | | // Uses a set of changes plus the current scroll position to
|
| | | // determine which DOM updates have to be made, and makes the
|
| | | // updates.
|
| | | function updateDisplay(changes, suppressCallback) {
|
| | | if (!scroller.clientWidth) {
|
| | | showingFrom = showingTo = displayOffset = 0;
|
| | | return;
|
| | | }
|
| | | // Compute the new visible window
|
| | | var visible = visibleLines();
|
| | | // Bail out if the visible area is already rendered and nothing changed.
|
| | | if (changes !== true && changes.length == 0 && visible.from >= showingFrom && visible.to <= showingTo) return;
|
| | | var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100);
|
| | | if (showingFrom < from && from - showingFrom < 20) from = showingFrom;
|
| | | if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo);
|
| | |
|
| | | // Create a range of theoretically intact lines, and punch holes
|
| | | // in that using the change info.
|
| | | var intact = changes === true ? [] :
|
| | | computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes);
|
| | | // Clip off the parts that won't be visible
|
| | | var intactLines = 0;
|
| | | for (var i = 0; i < intact.length; ++i) {
|
| | | var range = intact[i];
|
| | | if (range.from < from) {range.domStart += (from - range.from); range.from = from;}
|
| | | if (range.to > to) range.to = to;
|
| | | if (range.from >= range.to) intact.splice(i--, 1);
|
| | | else intactLines += range.to - range.from;
|
| | | }
|
| | | if (intactLines == to - from) return;
|
| | | intact.sort(function(a, b) {return a.domStart - b.domStart;});
|
| | |
|
| | | var th = textHeight(), gutterDisplay = gutter.style.display;
|
| | | lineDiv.style.display = gutter.style.display = "none";
|
| | | patchDisplay(from, to, intact);
|
| | | lineDiv.style.display = "";
|
| | |
|
| | | // Position the mover div to align with the lines it's supposed
|
| | | // to be showing (which will cover the visible display)
|
| | | var different = from != showingFrom || to != showingTo || lastSizeC != scroller.clientHeight + th;
|
| | | // This is just a bogus formula that detects when the editor is
|
| | | // resized or the font size changes.
|
| | | if (different) lastSizeC = scroller.clientHeight + th;
|
| | | showingFrom = from; showingTo = to;
|
| | | displayOffset = heightAtLine(doc, from);
|
| | | mover.style.top = (displayOffset * th) + "px";
|
| | | code.style.height = (doc.height * th + 2 * paddingTop()) + "px";
|
| | |
|
| | | // Since this is all rather error prone, it is honoured with the
|
| | | // only assertion in the whole file.
|
| | | if (lineDiv.childNodes.length != showingTo - showingFrom)
|
| | | throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) +
|
| | | " nodes=" + lineDiv.childNodes.length);
|
| | |
|
| | | if (options.lineWrapping) {
|
| | | maxWidth = scroller.clientWidth;
|
| | | var curNode = lineDiv.firstChild;
|
| | | doc.iter(showingFrom, showingTo, function(line) {
|
| | | if (!line.hidden) {
|
| | | var height = Math.round(curNode.offsetHeight / th) || 1;
|
| | | if (line.height != height) {updateLineHeight(line, height); gutterDirty = true;}
|
| | | }
|
| | | curNode = curNode.nextSibling;
|
| | | });
|
| | | } else {
|
| | | if (maxWidth == null) maxWidth = stringWidth(maxLine);
|
| | | if (maxWidth > scroller.clientWidth) {
|
| | | lineSpace.style.width = maxWidth + "px";
|
| | | // Needed to prevent odd wrapping/hiding of widgets placed in here.
|
| | | code.style.width = "";
|
| | | code.style.width = scroller.scrollWidth + "px";
|
| | | } else {
|
| | | lineSpace.style.width = code.style.width = "";
|
| | | }
|
| | | }
|
| | | gutter.style.display = gutterDisplay;
|
| | | if (different || gutterDirty) updateGutter();
|
| | | updateCursor();
|
| | | if (!suppressCallback && options.onUpdate) options.onUpdate(instance);
|
| | | return true;
|
| | | }
|
| | |
|
| | | function computeIntact(intact, changes) {
|
| | | for (var i = 0, l = changes.length || 0; i < l; ++i) {
|
| | | var change = changes[i], intact2 = [], diff = change.diff || 0;
|
| | | for (var j = 0, l2 = intact.length; j < l2; ++j) {
|
| | | var range = intact[j];
|
| | | if (change.to <= range.from && change.diff)
|
| | | intact2.push({from: range.from + diff, to: range.to + diff,
|
| | | domStart: range.domStart});
|
| | | else if (change.to <= range.from || change.from >= range.to)
|
| | | intact2.push(range);
|
| | | else {
|
| | | if (change.from > range.from)
|
| | | intact2.push({from: range.from, to: change.from, domStart: range.domStart});
|
| | | if (change.to < range.to)
|
| | | intact2.push({from: change.to + diff, to: range.to + diff,
|
| | | domStart: range.domStart + (change.to - range.from)});
|
| | | }
|
| | | }
|
| | | intact = intact2;
|
| | | }
|
| | | return intact;
|
| | | }
|
| | |
|
| | | function patchDisplay(from, to, intact) {
|
| | | // The first pass removes the DOM nodes that aren't intact.
|
| | | if (!intact.length) lineDiv.innerHTML = "";
|
| | | else {
|
| | | function killNode(node) {
|
| | | var tmp = node.nextSibling;
|
| | | node.parentNode.removeChild(node);
|
| | | return tmp;
|
| | | }
|
| | | var domPos = 0, curNode = lineDiv.firstChild, n;
|
| | | for (var i = 0; i < intact.length; ++i) {
|
| | | var cur = intact[i];
|
| | | while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;}
|
| | | for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;}
|
| | | }
|
| | | while (curNode) curNode = killNode(curNode);
|
| | | }
|
| | | // This pass fills in the lines that actually changed.
|
| | | var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from;
|
| | | var sfrom = sel.from.line, sto = sel.to.line, inSel = sfrom < from && sto >= from;
|
| | | var scratch = targetDocument.createElement("div"), newElt;
|
| | | doc.iter(from, to, function(line) {
|
| | | var ch1 = null, ch2 = null;
|
| | | if (inSel) {
|
| | | ch1 = 0;
|
| | | if (sto == j) {inSel = false; ch2 = sel.to.ch;}
|
| | | } else if (sfrom == j) {
|
| | | if (sto == j) {ch1 = sel.from.ch; ch2 = sel.to.ch;}
|
| | | else {inSel = true; ch1 = sel.from.ch;}
|
| | | }
|
| | | if (nextIntact && nextIntact.to == j) nextIntact = intact.shift();
|
| | | if (!nextIntact || nextIntact.from > j) {
|
| | | if (line.hidden) scratch.innerHTML = "<pre></pre>";
|
| | | else scratch.innerHTML = line.getHTML(ch1, ch2, true, tabText);
|
| | | lineDiv.insertBefore(scratch.firstChild, curNode);
|
| | | } else {
|
| | | curNode = curNode.nextSibling;
|
| | | }
|
| | | ++j;
|
| | | });
|
| | | }
|
| | |
|
| | | function updateGutter() {
|
| | | if (!options.gutter && !options.lineNumbers) return;
|
| | | var hText = mover.offsetHeight, hEditor = scroller.clientHeight;
|
| | | gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px";
|
| | | var html = [], i = showingFrom;
|
| | | doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) {
|
| | | if (line.hidden) {
|
| | | html.push("<pre></pre>");
|
| | | } else {
|
| | | var marker = line.gutterMarker;
|
| | | var text = options.lineNumbers ? i + options.firstLineNumber : null;
|
| | | if (marker && marker.text)
|
| | | text = marker.text.replace("%N%", text != null ? text : "");
|
| | | else if (text == null)
|
| | | text = "\u00a0";
|
| | | html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text);
|
| | | for (var j = 1; j < line.height; ++j) html.push("<br/> ");
|
| | | html.push("</pre>");
|
| | | }
|
| | | ++i;
|
| | | });
|
| | | gutter.style.display = "none";
|
| | | gutterText.innerHTML = html.join("");
|
| | | var minwidth = String(doc.size).length, firstNode = gutterText.firstChild, val = eltText(firstNode), pad = "";
|
| | | while (val.length + pad.length < minwidth) pad += "\u00a0";
|
| | | if (pad) firstNode.insertBefore(targetDocument.createTextNode(pad), firstNode.firstChild);
|
| | | gutter.style.display = "";
|
| | | lineSpace.style.marginLeft = gutter.offsetWidth + "px";
|
| | | gutterDirty = false;
|
| | | }
|
| | | function updateCursor() {
|
| | | var head = sel.inverted ? sel.from : sel.to, lh = textHeight();
|
| | | var pos = localCoords(head, true);
|
| | | var wrapOff = eltOffset(wrapper), lineOff = eltOffset(lineDiv);
|
| | | inputDiv.style.top = (pos.y + lineOff.top - wrapOff.top) + "px";
|
| | | inputDiv.style.left = (pos.x + lineOff.left - wrapOff.left) + "px";
|
| | | if (posEq(sel.from, sel.to)) {
|
| | | cursor.style.top = pos.y + "px";
|
| | | cursor.style.left = (options.lineWrapping ? Math.min(pos.x, lineSpace.offsetWidth) : pos.x) + "px";
|
| | | cursor.style.display = "";
|
| | | }
|
| | | else cursor.style.display = "none";
|
| | | }
|
| | |
|
| | | function setShift(val) {
|
| | | if (val) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from);
|
| | | else shiftSelecting = null;
|
| | | }
|
| | | function setSelectionUser(from, to) {
|
| | | var sh = shiftSelecting && clipPos(shiftSelecting);
|
| | | if (sh) {
|
| | | if (posLess(sh, from)) from = sh;
|
| | | else if (posLess(to, sh)) to = sh;
|
| | | }
|
| | | setSelection(from, to);
|
| | | userSelChange = true;
|
| | | }
|
| | | // Update the selection. Last two args are only used by
|
| | | // updateLines, since they have to be expressed in the line
|
| | | // numbers before the update.
|
| | | function setSelection(from, to, oldFrom, oldTo) {
|
| | | goalColumn = null;
|
| | | if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;}
|
| | | if (posEq(sel.from, from) && posEq(sel.to, to)) return;
|
| | | if (posLess(to, from)) {var tmp = to; to = from; from = tmp;}
|
| | |
|
| | | // Skip over hidden lines.
|
| | | if (from.line != oldFrom) from = skipHidden(from, oldFrom, sel.from.ch);
|
| | | if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch);
|
| | |
|
| | | if (posEq(from, to)) sel.inverted = false;
|
| | | else if (posEq(from, sel.to)) sel.inverted = false;
|
| | | else if (posEq(to, sel.from)) sel.inverted = true;
|
| | |
|
| | | // Some ugly logic used to only mark the lines that actually did
|
| | | // see a change in selection as changed, rather than the whole
|
| | | // selected range.
|
| | | if (posEq(from, to)) {
|
| | | if (!posEq(sel.from, sel.to))
|
| | | changes.push({from: oldFrom, to: oldTo + 1});
|
| | | }
|
| | | else if (posEq(sel.from, sel.to)) {
|
| | | changes.push({from: from.line, to: to.line + 1});
|
| | | }
|
| | | else {
|
| | | if (!posEq(from, sel.from)) {
|
| | | if (from.line < oldFrom)
|
| | | changes.push({from: from.line, to: Math.min(to.line, oldFrom) + 1});
|
| | | else
|
| | | changes.push({from: oldFrom, to: Math.min(oldTo, from.line) + 1});
|
| | | }
|
| | | if (!posEq(to, sel.to)) {
|
| | | if (to.line < oldTo)
|
| | | changes.push({from: Math.max(oldFrom, from.line), to: oldTo + 1});
|
| | | else
|
| | | changes.push({from: Math.max(from.line, oldTo), to: to.line + 1});
|
| | | }
|
| | | }
|
| | | sel.from = from; sel.to = to;
|
| | | selectionChanged = true;
|
| | | }
|
| | | function skipHidden(pos, oldLine, oldCh) {
|
| | | function getNonHidden(dir) {
|
| | | var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1;
|
| | | while (lNo != end) {
|
| | | var line = getLine(lNo);
|
| | | if (!line.hidden) {
|
| | | var ch = pos.ch;
|
| | | if (ch > oldCh || ch > line.text.length) ch = line.text.length;
|
| | | return {line: lNo, ch: ch};
|
| | | }
|
| | | lNo += dir;
|
| | | }
|
| | | }
|
| | | var line = getLine(pos.line);
|
| | | if (!line.hidden) return pos;
|
| | | if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1);
|
| | | else return getNonHidden(-1) || getNonHidden(1);
|
| | | }
|
| | | function setCursor(line, ch, user) {
|
| | | var pos = clipPos({line: line, ch: ch || 0});
|
| | | (user ? setSelectionUser : setSelection)(pos, pos);
|
| | | }
|
| | |
|
| | | function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));}
|
| | | function clipPos(pos) {
|
| | | if (pos.line < 0) return {line: 0, ch: 0};
|
| | | if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length};
|
| | | var ch = pos.ch, linelen = getLine(pos.line).text.length;
|
| | | if (ch == null || ch > linelen) return {line: pos.line, ch: linelen};
|
| | | else if (ch < 0) return {line: pos.line, ch: 0};
|
| | | else return pos;
|
| | | }
|
| | |
|
| | | function findPosH(dir, unit) {
|
| | | var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch;
|
| | | var lineObj = getLine(line);
|
| | | function findNextLine() {
|
| | | for (var l = line + dir, e = dir < 0 ? -1 : doc.size; l != e; l += dir) {
|
| | | var lo = getLine(l);
|
| | | if (!lo.hidden) { line = l; lineObj = lo; return true; }
|
| | | }
|
| | | }
|
| | | function moveOnce(boundToLine) {
|
| | | if (ch == (dir < 0 ? 0 : lineObj.text.length)) {
|
| | | if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0;
|
| | | else return false;
|
| | | } else ch += dir;
|
| | | return true;
|
| | | }
|
| | | if (unit == "char") moveOnce();
|
| | | else if (unit == "column") moveOnce(true);
|
| | | else if (unit == "word") {
|
| | | var sawWord = false;
|
| | | for (;;) {
|
| | | if (dir < 0) if (!moveOnce()) break;
|
| | | if (isWordChar(lineObj.text.charAt(ch))) sawWord = true;
|
| | | else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;}
|
| | | if (dir > 0) if (!moveOnce()) break;
|
| | | }
|
| | | }
|
| | | return {line: line, ch: ch};
|
| | | }
|
| | | function moveH(dir, unit) {
|
| | | var pos = dir < 0 ? sel.from : sel.to;
|
| | | if (shiftSelecting || posEq(sel.from, sel.to)) pos = findPosH(dir, unit);
|
| | | setCursor(pos.line, pos.ch, true);
|
| | | }
|
| | | function deleteH(dir, unit) {
|
| | | if (!posEq(sel.from, sel.to)) replaceRange("", sel.from, sel.to);
|
| | | else if (dir < 0) replaceRange("", findPosH(dir, unit), sel.to);
|
| | | else replaceRange("", sel.from, findPosH(dir, unit));
|
| | | userSelChange = true;
|
| | | }
|
| | | var goalColumn = null;
|
| | | function moveV(dir, unit) {
|
| | | var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true);
|
| | | if (goalColumn != null) pos.x = goalColumn;
|
| | | if (unit == "page") dist = scroller.clientHeight;
|
| | | else if (unit == "line") dist = textHeight();
|
| | | var target = coordsChar(pos.x, pos.y + dist * dir + 2);
|
| | | setCursor(target.line, target.ch, true);
|
| | | goalColumn = pos.x;
|
| | | }
|
| | |
|
| | | function selectWordAt(pos) {
|
| | | var line = getLine(pos.line).text;
|
| | | var start = pos.ch, end = pos.ch;
|
| | | while (start > 0 && isWordChar(line.charAt(start - 1))) --start;
|
| | | while (end < line.length && isWordChar(line.charAt(end))) ++end;
|
| | | setSelectionUser({line: pos.line, ch: start}, {line: pos.line, ch: end});
|
| | | }
|
| | | function selectLine(line) {
|
| | | setSelectionUser({line: line, ch: 0}, {line: line, ch: getLine(line).text.length});
|
| | | }
|
| | | function indentSelected(mode) {
|
| | | if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode);
|
| | | var e = sel.to.line - (sel.to.ch ? 0 : 1);
|
| | | for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode);
|
| | | }
|
| | |
|
| | | function indentLine(n, how) {
|
| | | if (!how) how = "add";
|
| | | if (how == "smart") {
|
| | | if (!mode.indent) how = "prev";
|
| | | else var state = getStateBefore(n);
|
| | | }
|
| | |
|
| | | var line = getLine(n), curSpace = line.indentation(options.tabSize),
|
| | | curSpaceString = line.text.match(/^\s*/)[0], indentation;
|
| | | if (how == "prev") {
|
| | | if (n) indentation = getLine(n-1).indentation(options.tabSize);
|
| | | else indentation = 0;
|
| | | }
|
| | | else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text);
|
| | | else if (how == "add") indentation = curSpace + options.indentUnit;
|
| | | else if (how == "subtract") indentation = curSpace - options.indentUnit;
|
| | | indentation = Math.max(0, indentation);
|
| | | var diff = indentation - curSpace;
|
| | |
|
| | | if (!diff) {
|
| | | if (sel.from.line != n && sel.to.line != n) return;
|
| | | var indentString = curSpaceString;
|
| | | }
|
| | | else {
|
| | | var indentString = "", pos = 0;
|
| | | if (options.indentWithTabs)
|
| | | for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";}
|
| | | while (pos < indentation) {++pos; indentString += " ";}
|
| | | }
|
| | |
|
| | | replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length});
|
| | | }
|
| | |
|
| | | function loadMode() {
|
| | | mode = CodeMirror.getMode(options, options.mode);
|
| | | doc.iter(0, doc.size, function(line) { line.stateAfter = null; });
|
| | | work = [0];
|
| | | startWorker();
|
| | | }
|
| | | function gutterChanged() {
|
| | | var visible = options.gutter || options.lineNumbers;
|
| | | gutter.style.display = visible ? "" : "none";
|
| | | if (visible) gutterDirty = true;
|
| | | else lineDiv.parentNode.style.marginLeft = 0;
|
| | | }
|
| | | function wrappingChanged(from, to) {
|
| | | if (options.lineWrapping) {
|
| | | wrapper.className += " CodeMirror-wrap";
|
| | | var perLine = scroller.clientWidth / charWidth() - 3;
|
| | | doc.iter(0, doc.size, function(line) {
|
| | | if (line.hidden) return;
|
| | | var guess = Math.ceil(line.text.length / perLine) || 1;
|
| | | if (guess != 1) updateLineHeight(line, guess);
|
| | | });
|
| | | lineSpace.style.width = code.style.width = "";
|
| | | } else {
|
| | | wrapper.className = wrapper.className.replace(" CodeMirror-wrap", "");
|
| | | maxWidth = null; maxLine = "";
|
| | | doc.iter(0, doc.size, function(line) {
|
| | | if (line.height != 1 && !line.hidden) updateLineHeight(line, 1);
|
| | | if (line.text.length > maxLine.length) maxLine = line.text;
|
| | | });
|
| | | }
|
| | | changes.push({from: 0, to: doc.size});
|
| | | }
|
| | | function computeTabText() {
|
| | | for (var str = '<span class="cm-tab">', i = 0; i < options.tabSize; ++i) str += " ";
|
| | | return str + "</span>";
|
| | | }
|
| | | function tabsChanged() {
|
| | | tabText = computeTabText();
|
| | | updateDisplay(true);
|
| | | }
|
| | | function themeChanged() {
|
| | | scroller.className = scroller.className.replace(/\s*cm-s-\w+/g, "") +
|
| | | options.theme.replace(/(^|\s)\s*/g, " cm-s-");
|
| | | }
|
| | |
|
| | | function TextMarker() { this.set = []; }
|
| | | TextMarker.prototype.clear = operation(function() {
|
| | | var min = Infinity, max = -Infinity;
|
| | | for (var i = 0, e = this.set.length; i < e; ++i) {
|
| | | var line = this.set[i], mk = line.marked;
|
| | | if (!mk || !line.parent) continue;
|
| | | var lineN = lineNo(line);
|
| | | min = Math.min(min, lineN); max = Math.max(max, lineN);
|
| | | for (var j = 0; j < mk.length; ++j)
|
| | | if (mk[j].set == this.set) mk.splice(j--, 1);
|
| | | }
|
| | | if (min != Infinity)
|
| | | changes.push({from: min, to: max + 1});
|
| | | });
|
| | | TextMarker.prototype.find = function() {
|
| | | var from, to;
|
| | | for (var i = 0, e = this.set.length; i < e; ++i) {
|
| | | var line = this.set[i], mk = line.marked;
|
| | | for (var j = 0; j < mk.length; ++j) {
|
| | | var mark = mk[j];
|
| | | if (mark.set == this.set) {
|
| | | if (mark.from != null || mark.to != null) {
|
| | | var found = lineNo(line);
|
| | | if (found != null) {
|
| | | if (mark.from != null) from = {line: found, ch: mark.from};
|
| | | if (mark.to != null) to = {line: found, ch: mark.to};
|
| | | }
|
| | | }
|
| | | }
|
| | | }
|
| | | }
|
| | | return {from: from, to: to};
|
| | | };
|
| | |
|
| | | function markText(from, to, className) {
|
| | | from = clipPos(from); to = clipPos(to);
|
| | | var tm = new TextMarker();
|
| | | function add(line, from, to, className) {
|
| | | getLine(line).addMark(new MarkedText(from, to, className, tm.set));
|
| | | }
|
| | | if (from.line == to.line) add(from.line, from.ch, to.ch, className);
|
| | | else {
|
| | | add(from.line, from.ch, null, className);
|
| | | for (var i = from.line + 1, e = to.line; i < e; ++i)
|
| | | add(i, null, null, className);
|
| | | add(to.line, null, to.ch, className);
|
| | | }
|
| | | changes.push({from: from.line, to: to.line + 1});
|
| | | return tm;
|
| | | }
|
| | |
|
| | | function setBookmark(pos) {
|
| | | pos = clipPos(pos);
|
| | | var bm = new Bookmark(pos.ch);
|
| | | getLine(pos.line).addMark(bm);
|
| | | return bm;
|
| | | }
|
| | |
|
| | | function addGutterMarker(line, text, className) {
|
| | | if (typeof line == "number") line = getLine(clipLine(line));
|
| | | line.gutterMarker = {text: text, style: className};
|
| | | gutterDirty = true;
|
| | | return line;
|
| | | }
|
| | | function removeGutterMarker(line) {
|
| | | if (typeof line == "number") line = getLine(clipLine(line));
|
| | | line.gutterMarker = null;
|
| | | gutterDirty = true;
|
| | | }
|
| | |
|
| | | function changeLine(handle, op) {
|
| | | var no = handle, line = handle;
|
| | | if (typeof handle == "number") line = getLine(clipLine(handle));
|
| | | else no = lineNo(handle);
|
| | | if (no == null) return null;
|
| | | if (op(line, no)) changes.push({from: no, to: no + 1});
|
| | | else return null;
|
| | | return line;
|
| | | }
|
| | | function setLineClass(handle, className) {
|
| | | return changeLine(handle, function(line) {
|
| | | if (line.className != className) {
|
| | | line.className = className;
|
| | | return true;
|
| | | }
|
| | | });
|
| | | }
|
| | | function setLineHidden(handle, hidden) {
|
| | | return changeLine(handle, function(line, no) {
|
| | | if (line.hidden != hidden) {
|
| | | line.hidden = hidden;
|
| | | updateLineHeight(line, hidden ? 0 : 1);
|
| | | if (hidden && (sel.from.line == no || sel.to.line == no))
|
| | | setSelection(skipHidden(sel.from, sel.from.line, sel.from.ch),
|
| | | skipHidden(sel.to, sel.to.line, sel.to.ch));
|
| | | return (gutterDirty = true);
|
| | | }
|
| | | });
|
| | | }
|
| | |
|
| | | function lineInfo(line) {
|
| | | if (typeof line == "number") {
|
| | | if (!isLine(line)) return null;
|
| | | var n = line;
|
| | | line = getLine(line);
|
| | | if (!line) return null;
|
| | | }
|
| | | else {
|
| | | var n = lineNo(line);
|
| | | if (n == null) return null;
|
| | | }
|
| | | var marker = line.gutterMarker;
|
| | | return {line: n, handle: line, text: line.text, markerText: marker && marker.text,
|
| | | markerClass: marker && marker.style, lineClass: line.className};
|
| | | }
|
| | |
|
| | | function stringWidth(str) {
|
| | | measure.innerHTML = "<pre><span>x</span></pre>";
|
| | | measure.firstChild.firstChild.firstChild.nodeValue = str;
|
| | | return measure.firstChild.firstChild.offsetWidth || 10;
|
| | | }
|
| | | // These are used to go from pixel positions to character
|
| | | // positions, taking varying character widths into account.
|
| | | function charFromX(line, x) {
|
| | | if (x <= 0) return 0;
|
| | | var lineObj = getLine(line), text = lineObj.text;
|
| | | function getX(len) {
|
| | | measure.innerHTML = "<pre><span>" + lineObj.getHTML(null, null, false, tabText, len) + "</span></pre>";
|
| | | return measure.firstChild.firstChild.offsetWidth;
|
| | | }
|
| | | var from = 0, fromX = 0, to = text.length, toX;
|
| | | // Guess a suitable upper bound for our search.
|
| | | var estimated = Math.min(to, Math.ceil(x / charWidth()));
|
| | | for (;;) {
|
| | | var estX = getX(estimated);
|
| | | if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2));
|
| | | else {toX = estX; to = estimated; break;}
|
| | | }
|
| | | if (x > toX) return to;
|
| | | // Try to guess a suitable lower bound as well.
|
| | | estimated = Math.floor(to * 0.8); estX = getX(estimated);
|
| | | if (estX < x) {from = estimated; fromX = estX;}
|
| | | // Do a binary search between these bounds.
|
| | | for (;;) {
|
| | | if (to - from <= 1) return (toX - x > x - fromX) ? from : to;
|
| | | var middle = Math.ceil((from + to) / 2), middleX = getX(middle);
|
| | | if (middleX > x) {to = middle; toX = middleX;}
|
| | | else {from = middle; fromX = middleX;}
|
| | | }
|
| | | }
|
| | |
|
| | | var tempId = Math.floor(Math.random() * 0xffffff).toString(16);
|
| | | function measureLine(line, ch) {
|
| | | var extra = "";
|
| | | // Include extra text at the end to make sure the measured line is wrapped in the right way.
|
| | | if (options.lineWrapping) {
|
| | | var end = line.text.indexOf(" ", ch + 2);
|
| | | extra = htmlEscape(line.text.slice(ch + 1, end < 0 ? line.text.length : end + (ie ? 5 : 0)));
|
| | | }
|
| | | measure.innerHTML = "<pre>" + line.getHTML(null, null, false, tabText, ch) +
|
| | | '<span id="CodeMirror-temp-' + tempId + '">' + htmlEscape(line.text.charAt(ch) || " ") + "</span>" +
|
| | | extra + "</pre>";
|
| | | var elt = document.getElementById("CodeMirror-temp-" + tempId);
|
| | | var top = elt.offsetTop, left = elt.offsetLeft;
|
| | | // Older IEs report zero offsets for spans directly after a wrap
|
| | | if (ie && ch && top == 0 && left == 0) {
|
| | | var backup = document.createElement("span");
|
| | | backup.innerHTML = "x";
|
| | | elt.parentNode.insertBefore(backup, elt.nextSibling);
|
| | | top = backup.offsetTop;
|
| | | }
|
| | | return {top: top, left: left};
|
| | | }
|
| | | function localCoords(pos, inLineWrap) {
|
| | | var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0));
|
| | | if (pos.ch == 0) x = 0;
|
| | | else {
|
| | | var sp = measureLine(getLine(pos.line), pos.ch);
|
| | | x = sp.left;
|
| | | if (options.lineWrapping) y += Math.max(0, sp.top);
|
| | | }
|
| | | return {x: x, y: y, yBot: y + lh};
|
| | | }
|
| | | // Coords must be lineSpace-local
|
| | | function coordsChar(x, y) {
|
| | | if (y < 0) y = 0;
|
| | | var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th);
|
| | | var lineNo = lineAtHeight(doc, heightPos);
|
| | | if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length};
|
| | | var lineObj = getLine(lineNo), text = lineObj.text;
|
| | | var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0;
|
| | | if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0};
|
| | | function getX(len) {
|
| | | var sp = measureLine(lineObj, len);
|
| | | if (tw) {
|
| | | var off = Math.round(sp.top / th);
|
| | | return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth);
|
| | | }
|
| | | return sp.left;
|
| | | }
|
| | | var from = 0, fromX = 0, to = text.length, toX;
|
| | | // Guess a suitable upper bound for our search.
|
| | | var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw));
|
| | | for (;;) {
|
| | | var estX = getX(estimated);
|
| | | if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2));
|
| | | else {toX = estX; to = estimated; break;}
|
| | | }
|
| | | if (x > toX) return {line: lineNo, ch: to};
|
| | | // Try to guess a suitable lower bound as well.
|
| | | estimated = Math.floor(to * 0.8); estX = getX(estimated);
|
| | | if (estX < x) {from = estimated; fromX = estX;}
|
| | | // Do a binary search between these bounds.
|
| | | for (;;) {
|
| | | if (to - from <= 1) return {line: lineNo, ch: (toX - x > x - fromX) ? from : to};
|
| | | var middle = Math.ceil((from + to) / 2), middleX = getX(middle);
|
| | | if (middleX > x) {to = middle; toX = middleX;}
|
| | | else {from = middle; fromX = middleX;}
|
| | | }
|
| | | }
|
| | | function pageCoords(pos) {
|
| | | var local = localCoords(pos, true), off = eltOffset(lineSpace);
|
| | | return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot};
|
| | | }
|
| | |
|
| | | var cachedHeight, cachedHeightFor, measureText;
|
| | | function textHeight() {
|
| | | if (measureText == null) {
|
| | | measureText = "<pre>";
|
| | | for (var i = 0; i < 49; ++i) measureText += "x<br/>";
|
| | | measureText += "x</pre>";
|
| | | }
|
| | | var offsetHeight = lineDiv.clientHeight;
|
| | | if (offsetHeight == cachedHeightFor) return cachedHeight;
|
| | | cachedHeightFor = offsetHeight;
|
| | | measure.innerHTML = measureText;
|
| | | cachedHeight = measure.firstChild.offsetHeight / 50 || 1;
|
| | | measure.innerHTML = "";
|
| | | return cachedHeight;
|
| | | }
|
| | | var cachedWidth, cachedWidthFor = 0;
|
| | | function charWidth() {
|
| | | if (scroller.clientWidth == cachedWidthFor) return cachedWidth;
|
| | | cachedWidthFor = scroller.clientWidth;
|
| | | return (cachedWidth = stringWidth("x"));
|
| | | }
|
| | | function paddingTop() {return lineSpace.offsetTop;}
|
| | | function paddingLeft() {return lineSpace.offsetLeft;}
|
| | |
|
| | | function posFromMouse(e, liberal) {
|
| | | var offW = eltOffset(scroller, true), x, y;
|
| | | // Fails unpredictably on IE[67] when mouse is dragged around quickly.
|
| | | try { x = e.clientX; y = e.clientY; } catch (e) { return null; }
|
| | | // This is a mess of a heuristic to try and determine whether a
|
| | | // scroll-bar was clicked or not, and to return null if one was
|
| | | // (and !liberal).
|
| | | if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight))
|
| | | return null;
|
| | | var offL = eltOffset(lineSpace, true);
|
| | | return coordsChar(x - offL.left, y - offL.top);
|
| | | }
|
| | | function onContextMenu(e) {
|
| | | var pos = posFromMouse(e);
|
| | | if (!pos || window.opera) return; // Opera is difficult.
|
| | | if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
|
| | | operation(setCursor)(pos.line, pos.ch);
|
| | |
|
| | | var oldCSS = input.style.cssText;
|
| | | inputDiv.style.position = "absolute";
|
| | | input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
|
| | | "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " +
|
| | | "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
|
| | | leaveInputAlone = true;
|
| | | var val = input.value = getSelection();
|
| | | focusInput();
|
| | | input.select();
|
| | | function rehide() {
|
| | | var newVal = splitLines(input.value).join("\n");
|
| | | if (newVal != val) operation(replaceSelection)(newVal, "end");
|
| | | inputDiv.style.position = "relative";
|
| | | input.style.cssText = oldCSS;
|
| | | leaveInputAlone = false;
|
| | | resetInput(true);
|
| | | slowPoll();
|
| | | }
|
| | |
|
| | | if (gecko) {
|
| | | e_stop(e);
|
| | | var mouseup = connect(window, "mouseup", function() {
|
| | | mouseup();
|
| | | setTimeout(rehide, 20);
|
| | | }, true);
|
| | | }
|
| | | else {
|
| | | setTimeout(rehide, 50);
|
| | | }
|
| | | }
|
| | |
|
| | | // Cursor-blinking
|
| | | function restartBlink() {
|
| | | clearInterval(blinker);
|
| | | var on = true;
|
| | | cursor.style.visibility = "";
|
| | | blinker = setInterval(function() {
|
| | | cursor.style.visibility = (on = !on) ? "" : "hidden";
|
| | | }, 650);
|
| | | }
|
| | |
|
| | | var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
|
| | | function matchBrackets(autoclear) {
|
| | | var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1;
|
| | | var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
|
| | | if (!match) return;
|
| | | var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles;
|
| | | for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2)
|
| | | if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;}
|
| | |
|
| | | var stack = [line.text.charAt(pos)], re = /[(){}[\]]/;
|
| | | function scan(line, from, to) {
|
| | | if (!line.text) return;
|
| | | var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur;
|
| | | for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) {
|
| | | var text = st[i];
|
| | | if (st[i+1] != null && st[i+1] != style) {pos += d * text.length; continue;}
|
| | | for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) {
|
| | | if (pos >= from && pos < to && re.test(cur = text.charAt(j))) {
|
| | | var match = matching[cur];
|
| | | if (match.charAt(1) == ">" == forward) stack.push(cur);
|
| | | else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false};
|
| | | else if (!stack.length) return {pos: pos, match: true};
|
| | | }
|
| | | }
|
| | | }
|
| | | }
|
| | | for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) {
|
| | | var line = getLine(i), first = i == head.line;
|
| | | var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length);
|
| | | if (found) break;
|
| | | }
|
| | | if (!found) found = {pos: null, match: false};
|
| | | var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
|
| | | var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style),
|
| | | two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style);
|
| | | var clear = operation(function(){one.clear(); two && two.clear();});
|
| | | if (autoclear) setTimeout(clear, 800);
|
| | | else bracketHighlighted = clear;
|
| | | }
|
| | |
|
| | | // Finds the line to start with when starting a parse. Tries to
|
| | | // find a line with a stateAfter, so that it can start with a
|
| | | // valid state. If that fails, it returns the line with the
|
| | | // smallest indentation, which tends to need the least context to
|
| | | // parse correctly.
|
| | | function findStartLine(n) {
|
| | | var minindent, minline;
|
| | | for (var search = n, lim = n - 40; search > lim; --search) {
|
| | | if (search == 0) return 0;
|
| | | var line = getLine(search-1);
|
| | | if (line.stateAfter) return search;
|
| | | var indented = line.indentation(options.tabSize);
|
| | | if (minline == null || minindent > indented) {
|
| | | minline = search - 1;
|
| | | minindent = indented;
|
| | | }
|
| | | }
|
| | | return minline;
|
| | | }
|
| | | function getStateBefore(n) {
|
| | | var start = findStartLine(n), state = start && getLine(start-1).stateAfter;
|
| | | if (!state) state = startState(mode);
|
| | | else state = copyState(mode, state);
|
| | | doc.iter(start, n, function(line) {
|
| | | line.highlight(mode, state, options.tabSize);
|
| | | line.stateAfter = copyState(mode, state);
|
| | | });
|
| | | if (start < n) changes.push({from: start, to: n});
|
| | | if (n < doc.size && !getLine(n).stateAfter) work.push(n);
|
| | | return state;
|
| | | }
|
| | | function highlightLines(start, end) {
|
| | | var state = getStateBefore(start);
|
| | | doc.iter(start, end, function(line) {
|
| | | line.highlight(mode, state, options.tabSize);
|
| | | line.stateAfter = copyState(mode, state);
|
| | | });
|
| | | }
|
| | | function highlightWorker() {
|
| | | var end = +new Date + options.workTime;
|
| | | var foundWork = work.length;
|
| | | while (work.length) {
|
| | | if (!getLine(showingFrom).stateAfter) var task = showingFrom;
|
| | | else var task = work.pop();
|
| | | if (task >= doc.size) continue;
|
| | | var start = findStartLine(task), state = start && getLine(start-1).stateAfter;
|
| | | if (state) state = copyState(mode, state);
|
| | | else state = startState(mode);
|
| | |
|
| | | var unchanged = 0, compare = mode.compareStates, realChange = false,
|
| | | i = start, bail = false;
|
| | | doc.iter(i, doc.size, function(line) {
|
| | | var hadState = line.stateAfter;
|
| | | if (+new Date > end) {
|
| | | work.push(i);
|
| | | startWorker(options.workDelay);
|
| | | if (realChange) changes.push({from: task, to: i + 1});
|
| | | return (bail = true);
|
| | | }
|
| | | var changed = line.highlight(mode, state, options.tabSize);
|
| | | if (changed) realChange = true;
|
| | | line.stateAfter = copyState(mode, state);
|
| | | if (compare) {
|
| | | if (hadState && compare(hadState, state)) return true;
|
| | | } else {
|
| | | if (changed !== false || !hadState) unchanged = 0;
|
| | | else if (++unchanged > 3 && (!mode.indent || mode.indent(hadState, "") == mode.indent(state, "")))
|
| | | return true;
|
| | | }
|
| | | ++i;
|
| | | });
|
| | | if (bail) return;
|
| | | if (realChange) changes.push({from: task, to: i + 1});
|
| | | }
|
| | | if (foundWork && options.onHighlightComplete)
|
| | | options.onHighlightComplete(instance);
|
| | | }
|
| | | function startWorker(time) {
|
| | | if (!work.length) return;
|
| | | highlight.set(time, operation(highlightWorker));
|
| | | }
|
| | |
|
| | | // Operations are used to wrap changes in such a way that each
|
| | | // change won't have to update the cursor and display (which would
|
| | | // be awkward, slow, and error-prone), but instead updates are
|
| | | // batched and then all combined and executed at once.
|
| | | function startOperation() {
|
| | | updateInput = userSelChange = textChanged = null;
|
| | | changes = []; selectionChanged = false; callbacks = [];
|
| | | }
|
| | | function endOperation() {
|
| | | var reScroll = false, updated;
|
| | | if (selectionChanged) reScroll = !scrollCursorIntoView();
|
| | | if (changes.length) updated = updateDisplay(changes, true);
|
| | | else {
|
| | | if (selectionChanged) updateCursor();
|
| | | if (gutterDirty) updateGutter();
|
| | | }
|
| | | if (reScroll) scrollCursorIntoView();
|
| | | if (selectionChanged) {scrollEditorIntoView(); restartBlink();}
|
| | |
|
| | | if (focused && !leaveInputAlone &&
|
| | | (updateInput === true || (updateInput !== false && selectionChanged)))
|
| | | resetInput(userSelChange);
|
| | |
|
| | | if (selectionChanged && options.matchBrackets)
|
| | | setTimeout(operation(function() {
|
| | | if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;}
|
| | | if (posEq(sel.from, sel.to)) matchBrackets(false);
|
| | | }), 20);
|
| | | var tc = textChanged, cbs = callbacks; // these can be reset by callbacks
|
| | | if (selectionChanged && options.onCursorActivity)
|
| | | options.onCursorActivity(instance);
|
| | | if (tc && options.onChange && instance)
|
| | | options.onChange(instance, tc);
|
| | | for (var i = 0; i < cbs.length; ++i) cbs[i](instance);
|
| | | if (updated && options.onUpdate) options.onUpdate(instance);
|
| | | }
|
| | | var nestedOperation = 0;
|
| | | function operation(f) {
|
| | | return function() {
|
| | | if (!nestedOperation++) startOperation();
|
| | | try {var result = f.apply(this, arguments);}
|
| | | finally {if (!--nestedOperation) endOperation();}
|
| | | return result;
|
| | | };
|
| | | }
|
| | |
|
| | | for (var ext in extensions)
|
| | | if (extensions.propertyIsEnumerable(ext) &&
|
| | | !instance.propertyIsEnumerable(ext))
|
| | | instance[ext] = extensions[ext];
|
| | | return instance;
|
| | | } // (end of function CodeMirror)
|
| | |
|
| | | // The default configuration options.
|
| | | CodeMirror.defaults = {
|
| | | value: "",
|
| | | mode: null,
|
| | | theme: "default",
|
| | | indentUnit: 2,
|
| | | indentWithTabs: false,
|
| | | tabSize: 4,
|
| | | keyMap: "default",
|
| | | extraKeys: null,
|
| | | electricChars: true,
|
| | | onKeyEvent: null,
|
| | | lineWrapping: false,
|
| | | lineNumbers: false,
|
| | | gutter: false,
|
| | | fixedGutter: false,
|
| | | firstLineNumber: 1,
|
| | | readOnly: false,
|
| | | onChange: null,
|
| | | onCursorActivity: null,
|
| | | onGutterClick: null,
|
| | | onHighlightComplete: null,
|
| | | onUpdate: null,
|
| | | onFocus: null, onBlur: null, onScroll: null,
|
| | | matchBrackets: false,
|
| | | workTime: 100,
|
| | | workDelay: 200,
|
| | | pollInterval: 100,
|
| | | undoDepth: 40,
|
| | | tabindex: null,
|
| | | document: window.document
|
| | | };
|
| | |
|
| | | var mac = /Mac/.test(navigator.platform);
|
| | | var win = /Win/.test(navigator.platform);
|
| | |
|
| | | // Known modes, by name and by MIME
|
| | | var modes = {}, mimeModes = {};
|
| | | CodeMirror.defineMode = function(name, mode) {
|
| | | if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
|
| | | modes[name] = mode;
|
| | | };
|
| | | CodeMirror.defineMIME = function(mime, spec) {
|
| | | mimeModes[mime] = spec;
|
| | | };
|
| | | CodeMirror.getMode = function(options, spec) {
|
| | | if (typeof spec == "string" && mimeModes.hasOwnProperty(spec))
|
| | | spec = mimeModes[spec];
|
| | | if (typeof spec == "string")
|
| | | var mname = spec, config = {};
|
| | | else if (spec != null)
|
| | | var mname = spec.name, config = spec;
|
| | | var mfactory = modes[mname];
|
| | | if (!mfactory) {
|
| | | if (window.console) console.warn("No mode " + mname + " found, falling back to plain text.");
|
| | | return CodeMirror.getMode(options, "text/plain");
|
| | | }
|
| | | return mfactory(options, config || {});
|
| | | };
|
| | | CodeMirror.listModes = function() {
|
| | | var list = [];
|
| | | for (var m in modes)
|
| | | if (modes.propertyIsEnumerable(m)) list.push(m);
|
| | | return list;
|
| | | };
|
| | | CodeMirror.listMIMEs = function() {
|
| | | var list = [];
|
| | | for (var m in mimeModes)
|
| | | if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]});
|
| | | return list;
|
| | | };
|
| | |
|
| | | var extensions = CodeMirror.extensions = {};
|
| | | CodeMirror.defineExtension = function(name, func) {
|
| | | extensions[name] = func;
|
| | | };
|
| | |
|
| | | var commands = CodeMirror.commands = {
|
| | | selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});},
|
| | | killLine: function(cm) {
|
| | | var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to);
|
| | | if (!sel && cm.getLine(from.line).length == from.ch) cm.replaceRange("", from, {line: from.line + 1, ch: 0});
|
| | | else cm.replaceRange("", from, sel ? to : {line: from.line});
|
| | | },
|
| | | deleteLine: function(cm) {var l = cm.getCursor().line; cm.replaceRange("", {line: l, ch: 0}, {line: l});},
|
| | | undo: function(cm) {cm.undo();},
|
| | | redo: function(cm) {cm.redo();},
|
| | | goDocStart: function(cm) {cm.setCursor(0, 0, true);},
|
| | | goDocEnd: function(cm) {cm.setSelection({line: cm.lineCount() - 1}, null, true);},
|
| | | goLineStart: function(cm) {cm.setCursor(cm.getCursor().line, 0, true);},
|
| | | goLineStartSmart: function(cm) {
|
| | | var cur = cm.getCursor();
|
| | | var text = cm.getLine(cur.line), firstNonWS = Math.max(0, text.search(/\S/));
|
| | | cm.setCursor(cur.line, cur.ch <= firstNonWS && cur.ch ? 0 : firstNonWS, true);
|
| | | },
|
| | | goLineEnd: function(cm) {cm.setSelection({line: cm.getCursor().line}, null, true);},
|
| | | goLineUp: function(cm) {cm.moveV(-1, "line");},
|
| | | goLineDown: function(cm) {cm.moveV(1, "line");},
|
| | | goPageUp: function(cm) {cm.moveV(-1, "page");},
|
| | | goPageDown: function(cm) {cm.moveV(1, "page");},
|
| | | goCharLeft: function(cm) {cm.moveH(-1, "char");},
|
| | | goCharRight: function(cm) {cm.moveH(1, "char");},
|
| | | goColumnLeft: function(cm) {cm.moveH(-1, "column");},
|
| | | goColumnRight: function(cm) {cm.moveH(1, "column");},
|
| | | goWordLeft: function(cm) {cm.moveH(-1, "word");},
|
| | | goWordRight: function(cm) {cm.moveH(1, "word");},
|
| | | delCharLeft: function(cm) {cm.deleteH(-1, "char");},
|
| | | delCharRight: function(cm) {cm.deleteH(1, "char");},
|
| | | delWordLeft: function(cm) {cm.deleteH(-1, "word");},
|
| | | delWordRight: function(cm) {cm.deleteH(1, "word");},
|
| | | indentAuto: function(cm) {cm.indentSelection("smart");},
|
| | | indentMore: function(cm) {cm.indentSelection("add");},
|
| | | indentLess: function(cm) {cm.indentSelection("subtract");},
|
| | | insertTab: function(cm) {cm.replaceSelection("\t", "end");},
|
| | | transposeChars: function(cm) {
|
| | | var cur = cm.getCursor(), line = cm.getLine(cur.line);
|
| | | if (cur.ch > 0 && cur.ch < line.length - 1)
|
| | | cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1),
|
| | | {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1});
|
| | | },
|
| | | newlineAndIndent: function(cm) {
|
| | | cm.replaceSelection("\n", "end");
|
| | | cm.indentLine(cm.getCursor().line);
|
| | | },
|
| | | toggleOverwrite: function(cm) {cm.toggleOverwrite();}
|
| | | };
|
| | |
|
| | | var keyMap = CodeMirror.keyMap = {};
|
| | | keyMap.basic = {
|
| | | "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
|
| | | "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
|
| | | "Delete": "delCharRight", "Backspace": "delCharLeft", "Tab": "indentMore", "Shift-Tab": "indentLess",
|
| | | "Enter": "newlineAndIndent", "Insert": "toggleOverwrite"
|
| | | };
|
| | | // Note that the save and find-related commands aren't defined by
|
| | | // default. Unknown commands are simply ignored.
|
| | | keyMap.pcDefault = {
|
| | | "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
|
| | | "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd",
|
| | | "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
|
| | | "Ctrl-Backspace": "delWordLeft", "Ctrl-Delete": "delWordRight", "Ctrl-S": "save", "Ctrl-F": "find",
|
| | | "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
|
| | | fallthrough: "basic"
|
| | | };
|
| | | keyMap.macDefault = {
|
| | | "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
|
| | | "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft",
|
| | | "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordLeft",
|
| | | "Ctrl-Alt-Backspace": "delWordRight", "Alt-Delete": "delWordRight", "Cmd-S": "save", "Cmd-F": "find",
|
| | | "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
|
| | | fallthrough: ["basic", "emacsy"]
|
| | | };
|
| | | keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
|
| | | keyMap.emacsy = {
|
| | | "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
|
| | | "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
|
| | | "Ctrl-V": "goPageUp", "Shift-Ctrl-V": "goPageDown", "Ctrl-D": "delCharRight", "Ctrl-H": "delCharLeft",
|
| | | "Alt-D": "delWordRight", "Alt-Backspace": "delWordLeft", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
|
| | | };
|
| | |
|
| | | function lookupKey(name, extraMap, map) {
|
| | | function lookup(name, map, ft) {
|
| | | var found = map[name];
|
| | | if (found != null) return found;
|
| | | if (ft == null) ft = map.fallthrough;
|
| | | if (ft == null) return map.catchall;
|
| | | if (typeof ft == "string") return lookup(name, keyMap[ft]);
|
| | | for (var i = 0, e = ft.length; i < e; ++i) {
|
| | | found = lookup(name, keyMap[ft[i]]);
|
| | | if (found != null) return found;
|
| | | }
|
| | | return null;
|
| | | }
|
| | | return extraMap ? lookup(name, extraMap, map) : lookup(name, keyMap[map]);
|
| | | }
|
| | | function isModifierKey(event) {
|
| | | var name = keyNames[event.keyCode];
|
| | | return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
|
| | | }
|
| | |
|
| | | CodeMirror.fromTextArea = function(textarea, options) {
|
| | | if (!options) options = {};
|
| | | options.value = textarea.value;
|
| | | if (!options.tabindex && textarea.tabindex)
|
| | | options.tabindex = textarea.tabindex;
|
| | |
|
| | | function save() {textarea.value = instance.getValue();}
|
| | | if (textarea.form) {
|
| | | // Deplorable hack to make the submit method do the right thing.
|
| | | var rmSubmit = connect(textarea.form, "submit", save, true);
|
| | | if (typeof textarea.form.submit == "function") {
|
| | | var realSubmit = textarea.form.submit;
|
| | | function wrappedSubmit() {
|
| | | save();
|
| | | textarea.form.submit = realSubmit;
|
| | | textarea.form.submit();
|
| | | textarea.form.submit = wrappedSubmit;
|
| | | }
|
| | | textarea.form.submit = wrappedSubmit;
|
| | | }
|
| | | }
|
| | |
|
| | | textarea.style.display = "none";
|
| | | var instance = CodeMirror(function(node) {
|
| | | textarea.parentNode.insertBefore(node, textarea.nextSibling);
|
| | | }, options);
|
| | | instance.save = save;
|
| | | instance.getTextArea = function() { return textarea; };
|
| | | instance.toTextArea = function() {
|
| | | save();
|
| | | textarea.parentNode.removeChild(instance.getWrapperElement());
|
| | | textarea.style.display = "";
|
| | | if (textarea.form) {
|
| | | rmSubmit();
|
| | | if (typeof textarea.form.submit == "function")
|
| | | textarea.form.submit = realSubmit;
|
| | | }
|
| | | };
|
| | | return instance;
|
| | | };
|
| | |
|
| | | // Utility functions for working with state. Exported because modes
|
| | | // sometimes need to do this.
|
| | | function copyState(mode, state) {
|
| | | if (state === true) return state;
|
| | | if (mode.copyState) return mode.copyState(state);
|
| | | var nstate = {};
|
| | | for (var n in state) {
|
| | | var val = state[n];
|
| | | if (val instanceof Array) val = val.concat([]);
|
| | | nstate[n] = val;
|
| | | }
|
| | | return nstate;
|
| | | }
|
| | | CodeMirror.copyState = copyState;
|
| | | function startState(mode, a1, a2) {
|
| | | return mode.startState ? mode.startState(a1, a2) : true;
|
| | | }
|
| | | CodeMirror.startState = startState;
|
| | |
|
| | | // The character stream used by a mode's parser.
|
| | | function StringStream(string, tabSize) {
|
| | | this.pos = this.start = 0;
|
| | | this.string = string;
|
| | | this.tabSize = tabSize || 8;
|
| | | }
|
| | | StringStream.prototype = {
|
| | | eol: function() {return this.pos >= this.string.length;},
|
| | | sol: function() {return this.pos == 0;},
|
| | | peek: function() {return this.string.charAt(this.pos);},
|
| | | next: function() {
|
| | | if (this.pos < this.string.length)
|
| | | return this.string.charAt(this.pos++);
|
| | | },
|
| | | eat: function(match) {
|
| | | var ch = this.string.charAt(this.pos);
|
| | | if (typeof match == "string") var ok = ch == match;
|
| | | else var ok = ch && (match.test ? match.test(ch) : match(ch));
|
| | | if (ok) {++this.pos; return ch;}
|
| | | },
|
| | | eatWhile: function(match) {
|
| | | var start = this.pos;
|
| | | while (this.eat(match)){}
|
| | | return this.pos > start;
|
| | | },
|
| | | eatSpace: function() {
|
| | | var start = this.pos;
|
| | | while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
|
| | | return this.pos > start;
|
| | | },
|
| | | skipToEnd: function() {this.pos = this.string.length;},
|
| | | skipTo: function(ch) {
|
| | | var found = this.string.indexOf(ch, this.pos);
|
| | | if (found > -1) {this.pos = found; return true;}
|
| | | },
|
| | | backUp: function(n) {this.pos -= n;},
|
| | | column: function() {return countColumn(this.string, this.start, this.tabSize);},
|
| | | indentation: function() {return countColumn(this.string, null, this.tabSize);},
|
| | | match: function(pattern, consume, caseInsensitive) {
|
| | | if (typeof pattern == "string") {
|
| | | function cased(str) {return caseInsensitive ? str.toLowerCase() : str;}
|
| | | if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) {
|
| | | if (consume !== false) this.pos += pattern.length;
|
| | | return true;
|
| | | }
|
| | | }
|
| | | else {
|
| | | var match = this.string.slice(this.pos).match(pattern);
|
| | | if (match && consume !== false) this.pos += match[0].length;
|
| | | return match;
|
| | | }
|
| | | },
|
| | | current: function(){return this.string.slice(this.start, this.pos);}
|
| | | };
|
| | | CodeMirror.StringStream = StringStream;
|
| | |
|
| | | function MarkedText(from, to, className, set) {
|
| | | this.from = from; this.to = to; this.style = className; this.set = set;
|
| | | }
|
| | | MarkedText.prototype = {
|
| | | attach: function(line) { this.set.push(line); },
|
| | | detach: function(line) {
|
| | | var ix = indexOf(this.set, line);
|
| | | if (ix > -1) this.set.splice(ix, 1);
|
| | | },
|
| | | split: function(pos, lenBefore) {
|
| | | if (this.to <= pos && this.to != null) return null;
|
| | | var from = this.from < pos || this.from == null ? null : this.from - pos + lenBefore;
|
| | | var to = this.to == null ? null : this.to - pos + lenBefore;
|
| | | return new MarkedText(from, to, this.style, this.set);
|
| | | },
|
| | | dup: function() { return new MarkedText(null, null, this.style, this.set); },
|
| | | clipTo: function(fromOpen, from, toOpen, to, diff) {
|
| | | if (this.from != null && this.from >= from)
|
| | | this.from = Math.max(to, this.from) + diff;
|
| | | if (this.to != null && this.to > from)
|
| | | this.to = to < this.to ? this.to + diff : from;
|
| | | if (fromOpen && to > this.from && (to < this.to || this.to == null))
|
| | | this.from = null;
|
| | | if (toOpen && (from < this.to || this.to == null) && (from > this.from || this.from == null))
|
| | | this.to = null;
|
| | | },
|
| | | isDead: function() { return this.from != null && this.to != null && this.from >= this.to; },
|
| | | sameSet: function(x) { return this.set == x.set; }
|
| | | };
|
| | |
|
| | | function Bookmark(pos) {
|
| | | this.from = pos; this.to = pos; this.line = null;
|
| | | }
|
| | | Bookmark.prototype = {
|
| | | attach: function(line) { this.line = line; },
|
| | | detach: function(line) { if (this.line == line) this.line = null; },
|
| | | split: function(pos, lenBefore) {
|
| | | if (pos < this.from) {
|
| | | this.from = this.to = (this.from - pos) + lenBefore;
|
| | | return this;
|
| | | }
|
| | | },
|
| | | isDead: function() { return this.from > this.to; },
|
| | | clipTo: function(fromOpen, from, toOpen, to, diff) {
|
| | | if ((fromOpen || from < this.from) && (toOpen || to > this.to)) {
|
| | | this.from = 0; this.to = -1;
|
| | | } else if (this.from > from) {
|
| | | this.from = this.to = Math.max(to, this.from) + diff;
|
| | | }
|
| | | },
|
| | | sameSet: function(x) { return false; },
|
| | | find: function() {
|
| | | if (!this.line || !this.line.parent) return null;
|
| | | return {line: lineNo(this.line), ch: this.from};
|
| | | },
|
| | | clear: function() {
|
| | | if (this.line) {
|
| | | var found = indexOf(this.line.marked, this);
|
| | | if (found != -1) this.line.marked.splice(found, 1);
|
| | | this.line = null;
|
| | | }
|
| | | }
|
| | | };
|
| | |
|
| | | // Line objects. These hold state related to a line, including
|
| | | // highlighting info (the styles array).
|
| | | function Line(text, styles) {
|
| | | this.styles = styles || [text, null];
|
| | | this.text = text;
|
| | | this.height = 1;
|
| | | this.marked = this.gutterMarker = this.className = this.handlers = null;
|
| | | this.stateAfter = this.parent = this.hidden = null;
|
| | | }
|
| | | Line.inheritMarks = function(text, orig) {
|
| | | var ln = new Line(text), mk = orig && orig.marked;
|
| | | if (mk) {
|
| | | for (var i = 0; i < mk.length; ++i) {
|
| | | if (mk[i].to == null && mk[i].style) {
|
| | | var newmk = ln.marked || (ln.marked = []), mark = mk[i];
|
| | | var nmark = mark.dup(); newmk.push(nmark); nmark.attach(ln);
|
| | | }
|
| | | }
|
| | | }
|
| | | return ln;
|
| | | }
|
| | | Line.prototype = {
|
| | | // Replace a piece of a line, keeping the styles around it intact.
|
| | | replace: function(from, to_, text) {
|
| | | var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_;
|
| | | copyStyles(0, from, this.styles, st);
|
| | | if (text) st.push(text, null);
|
| | | copyStyles(to, this.text.length, this.styles, st);
|
| | | this.styles = st;
|
| | | this.text = this.text.slice(0, from) + text + this.text.slice(to);
|
| | | this.stateAfter = null;
|
| | | if (mk) {
|
| | | var diff = text.length - (to - from);
|
| | | for (var i = 0, mark = mk[i]; i < mk.length; ++i) {
|
| | | mark.clipTo(from == null, from || 0, to_ == null, to, diff);
|
| | | if (mark.isDead()) {mark.detach(this); mk.splice(i--, 1);}
|
| | | }
|
| | | }
|
| | | },
|
| | | // Split a part off a line, keeping styles and markers intact.
|
| | | split: function(pos, textBefore) {
|
| | | var st = [textBefore, null], mk = this.marked;
|
| | | copyStyles(pos, this.text.length, this.styles, st);
|
| | | var taken = new Line(textBefore + this.text.slice(pos), st);
|
| | | if (mk) {
|
| | | for (var i = 0; i < mk.length; ++i) {
|
| | | var mark = mk[i];
|
| | | var newmark = mark.split(pos, textBefore.length);
|
| | | if (newmark) {
|
| | | if (!taken.marked) taken.marked = [];
|
| | | taken.marked.push(newmark); newmark.attach(taken);
|
| | | }
|
| | | }
|
| | | }
|
| | | return taken;
|
| | | },
|
| | | append: function(line) {
|
| | | var mylen = this.text.length, mk = line.marked, mymk = this.marked;
|
| | | this.text += line.text;
|
| | | copyStyles(0, line.text.length, line.styles, this.styles);
|
| | | if (mymk) {
|
| | | for (var i = 0; i < mymk.length; ++i)
|
| | | if (mymk[i].to == null) mymk[i].to = mylen;
|
| | | }
|
| | | if (mk && mk.length) {
|
| | | if (!mymk) this.marked = mymk = [];
|
| | | outer: for (var i = 0; i < mk.length; ++i) {
|
| | | var mark = mk[i];
|
| | | if (!mark.from) {
|
| | | for (var j = 0; j < mymk.length; ++j) {
|
| | | var mymark = mymk[j];
|
| | | if (mymark.to == mylen && mymark.sameSet(mark)) {
|
| | | mymark.to = mark.to == null ? null : mark.to + mylen;
|
| | | if (mymark.isDead()) {
|
| | | mymark.detach(this);
|
| | | mk.splice(i--, 1);
|
| | | }
|
| | | continue outer;
|
| | | }
|
| | | }
|
| | | }
|
| | | mymk.push(mark);
|
| | | mark.attach(this);
|
| | | mark.from += mylen;
|
| | | if (mark.to != null) mark.to += mylen;
|
| | | }
|
| | | }
|
| | | },
|
| | | fixMarkEnds: function(other) {
|
| | | var mk = this.marked, omk = other.marked;
|
| | | if (!mk) return;
|
| | | for (var i = 0; i < mk.length; ++i) {
|
| | | var mark = mk[i], close = mark.to == null;
|
| | | if (close && omk) {
|
| | | for (var j = 0; j < omk.length; ++j)
|
| | | if (omk[j].sameSet(mark)) {close = false; break;}
|
| | | }
|
| | | if (close) mark.to = this.text.length;
|
| | | }
|
| | | },
|
| | | fixMarkStarts: function() {
|
| | | var mk = this.marked;
|
| | | if (!mk) return;
|
| | | for (var i = 0; i < mk.length; ++i)
|
| | | if (mk[i].from == null) mk[i].from = 0;
|
| | | },
|
| | | addMark: function(mark) {
|
| | | mark.attach(this);
|
| | | if (this.marked == null) this.marked = [];
|
| | | this.marked.push(mark);
|
| | | this.marked.sort(function(a, b){return (a.from || 0) - (b.from || 0);});
|
| | | },
|
| | | // Run the given mode's parser over a line, update the styles
|
| | | // array, which contains alternating fragments of text and CSS
|
| | | // classes.
|
| | | highlight: function(mode, state, tabSize) {
|
| | | var stream = new StringStream(this.text, tabSize), st = this.styles, pos = 0;
|
| | | var changed = false, curWord = st[0], prevWord;
|
| | | if (this.text == "" && mode.blankLine) mode.blankLine(state);
|
| | | while (!stream.eol()) {
|
| | | var style = mode.token(stream, state);
|
| | | var substr = this.text.slice(stream.start, stream.pos);
|
| | | stream.start = stream.pos;
|
| | | if (pos && st[pos-1] == style)
|
| | | st[pos-2] += substr;
|
| | | else if (substr) {
|
| | | if (!changed && (st[pos+1] != style || (pos && st[pos-2] != prevWord))) changed = true;
|
| | | st[pos++] = substr; st[pos++] = style;
|
| | | prevWord = curWord; curWord = st[pos];
|
| | | }
|
| | | // Give up when line is ridiculously long
|
| | | if (stream.pos > 5000) {
|
| | | st[pos++] = this.text.slice(stream.pos); st[pos++] = null;
|
| | | break;
|
| | | }
|
| | | }
|
| | | if (st.length != pos) {st.length = pos; changed = true;}
|
| | | if (pos && st[pos-2] != prevWord) changed = true;
|
| | | // Short lines with simple highlights return null, and are
|
| | | // counted as changed by the driver because they are likely to
|
| | | // highlight the same way in various contexts.
|
| | | return changed || (st.length < 5 && this.text.length < 10 ? null : false);
|
| | | },
|
| | | // Fetch the parser token for a given character. Useful for hacks
|
| | | // that want to inspect the mode state (say, for completion).
|
| | | getTokenAt: function(mode, state, ch) {
|
| | | var txt = this.text, stream = new StringStream(txt);
|
| | | while (stream.pos < ch && !stream.eol()) {
|
| | | stream.start = stream.pos;
|
| | | var style = mode.token(stream, state);
|
| | | }
|
| | | return {start: stream.start,
|
| | | end: stream.pos,
|
| | | string: stream.current(),
|
| | | className: style || null,
|
| | | state: state};
|
| | | },
|
| | | indentation: function(tabSize) {return countColumn(this.text, null, tabSize);},
|
| | | // Produces an HTML fragment for the line, taking selection,
|
| | | // marking, and highlighting into account.
|
| | | getHTML: function(sfrom, sto, includePre, tabText, endAt) {
|
| | | var html = [], first = true;
|
| | | if (includePre)
|
| | | html.push(this.className ? '<pre class="' + this.className + '">': "<pre>");
|
| | | function span(text, style) {
|
| | | if (!text) return;
|
| | | // Work around a bug where, in some compat modes, IE ignores leading spaces
|
| | | if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1);
|
| | | first = false;
|
| | | if (style) html.push('<span class="', style, '">', htmlEscape(text).replace(/\t/g, tabText), "</span>");
|
| | | else html.push(htmlEscape(text).replace(/\t/g, tabText));
|
| | | }
|
| | | var st = this.styles, allText = this.text, marked = this.marked;
|
| | | if (sfrom == sto) sfrom = null;
|
| | | var len = allText.length;
|
| | | if (endAt != null) len = Math.min(endAt, len);
|
| | |
|
| | | if (!allText && endAt == null)
|
| | | span(" ", sfrom != null && sto == null ? "CodeMirror-selected" : null);
|
| | | else if (!marked && sfrom == null)
|
| | | for (var i = 0, ch = 0; ch < len; i+=2) {
|
| | | var str = st[i], style = st[i+1], l = str.length;
|
| | | if (ch + l > len) str = str.slice(0, len - ch);
|
| | | ch += l;
|
| | | span(str, style && "cm-" + style);
|
| | | }
|
| | | else {
|
| | | var pos = 0, i = 0, text = "", style, sg = 0;
|
| | | var markpos = -1, mark = null;
|
| | | function nextMark() {
|
| | | if (marked) {
|
| | | markpos += 1;
|
| | | mark = (markpos < marked.length) ? marked[markpos] : null;
|
| | | }
|
| | | }
|
| | | nextMark();
|
| | | while (pos < len) {
|
| | | var upto = len;
|
| | | var extraStyle = "";
|
| | | if (sfrom != null) {
|
| | | if (sfrom > pos) upto = sfrom;
|
| | | else if (sto == null || sto > pos) {
|
| | | extraStyle = " CodeMirror-selected";
|
| | | if (sto != null) upto = Math.min(upto, sto);
|
| | | }
|
| | | }
|
| | | while (mark && mark.to != null && mark.to <= pos) nextMark();
|
| | | if (mark) {
|
| | | if (mark.from > pos) upto = Math.min(upto, mark.from);
|
| | | else {
|
| | | extraStyle += " " + mark.style;
|
| | | if (mark.to != null) upto = Math.min(upto, mark.to);
|
| | | }
|
| | | }
|
| | | for (;;) {
|
| | | var end = pos + text.length;
|
| | | var appliedStyle = style;
|
| | | if (extraStyle) appliedStyle = style ? style + extraStyle : extraStyle;
|
| | | span(end > upto ? text.slice(0, upto - pos) : text, appliedStyle);
|
| | | if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
|
| | | pos = end;
|
| | | text = st[i++]; style = "cm-" + st[i++];
|
| | | }
|
| | | }
|
| | | if (sfrom != null && sto == null) span(" ", "CodeMirror-selected");
|
| | | }
|
| | | if (includePre) html.push("</pre>");
|
| | | return html.join("");
|
| | | },
|
| | | cleanUp: function() {
|
| | | this.parent = null;
|
| | | if (this.marked)
|
| | | for (var i = 0, e = this.marked.length; i < e; ++i) this.marked[i].detach(this);
|
| | | }
|
| | | };
|
| | | // Utility used by replace and split above
|
| | | function copyStyles(from, to, source, dest) {
|
| | | for (var i = 0, pos = 0, state = 0; pos < to; i+=2) {
|
| | | var part = source[i], end = pos + part.length;
|
| | | if (state == 0) {
|
| | | if (end > from) dest.push(part.slice(from - pos, Math.min(part.length, to - pos)), source[i+1]);
|
| | | if (end >= from) state = 1;
|
| | | }
|
| | | else if (state == 1) {
|
| | | if (end > to) dest.push(part.slice(0, to - pos), source[i+1]);
|
| | | else dest.push(part, source[i+1]);
|
| | | }
|
| | | pos = end;
|
| | | }
|
| | | }
|
| | |
|
| | | // Data structure that holds the sequence of lines.
|
| | | function LeafChunk(lines) {
|
| | | this.lines = lines;
|
| | | this.parent = null;
|
| | | for (var i = 0, e = lines.length, height = 0; i < e; ++i) {
|
| | | lines[i].parent = this;
|
| | | height += lines[i].height;
|
| | | }
|
| | | this.height = height;
|
| | | }
|
| | | LeafChunk.prototype = {
|
| | | chunkSize: function() { return this.lines.length; },
|
| | | remove: function(at, n, callbacks) {
|
| | | for (var i = at, e = at + n; i < e; ++i) {
|
| | | var line = this.lines[i];
|
| | | this.height -= line.height;
|
| | | line.cleanUp();
|
| | | if (line.handlers)
|
| | | for (var j = 0; j < line.handlers.length; ++j) callbacks.push(line.handlers[j]);
|
| | | }
|
| | | this.lines.splice(at, n);
|
| | | },
|
| | | collapse: function(lines) {
|
| | | lines.splice.apply(lines, [lines.length, 0].concat(this.lines));
|
| | | },
|
| | | insertHeight: function(at, lines, height) {
|
| | | this.height += height;
|
| | | this.lines.splice.apply(this.lines, [at, 0].concat(lines));
|
| | | for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this;
|
| | | },
|
| | | iterN: function(at, n, op) {
|
| | | for (var e = at + n; at < e; ++at)
|
| | | if (op(this.lines[at])) return true;
|
| | | }
|
| | | };
|
| | | function BranchChunk(children) {
|
| | | this.children = children;
|
| | | var size = 0, height = 0;
|
| | | for (var i = 0, e = children.length; i < e; ++i) {
|
| | | var ch = children[i];
|
| | | size += ch.chunkSize(); height += ch.height;
|
| | | ch.parent = this;
|
| | | }
|
| | | this.size = size;
|
| | | this.height = height;
|
| | | this.parent = null;
|
| | | }
|
| | | BranchChunk.prototype = {
|
| | | chunkSize: function() { return this.size; },
|
| | | remove: function(at, n, callbacks) {
|
| | | this.size -= n;
|
| | | for (var i = 0; i < this.children.length; ++i) {
|
| | | var child = this.children[i], sz = child.chunkSize();
|
| | | if (at < sz) {
|
| | | var rm = Math.min(n, sz - at), oldHeight = child.height;
|
| | | child.remove(at, rm, callbacks);
|
| | | this.height -= oldHeight - child.height;
|
| | | if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
|
| | | if ((n -= rm) == 0) break;
|
| | | at = 0;
|
| | | } else at -= sz;
|
| | | }
|
| | | if (this.size - n < 25) {
|
| | | var lines = [];
|
| | | this.collapse(lines);
|
| | | this.children = [new LeafChunk(lines)];
|
| | | }
|
| | | },
|
| | | collapse: function(lines) {
|
| | | for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines);
|
| | | },
|
| | | insert: function(at, lines) {
|
| | | var height = 0;
|
| | | for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height;
|
| | | this.insertHeight(at, lines, height);
|
| | | },
|
| | | insertHeight: function(at, lines, height) {
|
| | | this.size += lines.length;
|
| | | this.height += height;
|
| | | for (var i = 0, e = this.children.length; i < e; ++i) {
|
| | | var child = this.children[i], sz = child.chunkSize();
|
| | | if (at <= sz) {
|
| | | child.insertHeight(at, lines, height);
|
| | | if (child.lines && child.lines.length > 50) {
|
| | | while (child.lines.length > 50) {
|
| | | var spilled = child.lines.splice(child.lines.length - 25, 25);
|
| | | var newleaf = new LeafChunk(spilled);
|
| | | child.height -= newleaf.height;
|
| | | this.children.splice(i + 1, 0, newleaf);
|
| | | newleaf.parent = this;
|
| | | }
|
| | | this.maybeSpill();
|
| | | }
|
| | | break;
|
| | | }
|
| | | at -= sz;
|
| | | }
|
| | | },
|
| | | maybeSpill: function() {
|
| | | if (this.children.length <= 10) return;
|
| | | var me = this;
|
| | | do {
|
| | | var spilled = me.children.splice(me.children.length - 5, 5);
|
| | | var sibling = new BranchChunk(spilled);
|
| | | if (!me.parent) { // Become the parent node
|
| | | var copy = new BranchChunk(me.children);
|
| | | copy.parent = me;
|
| | | me.children = [copy, sibling];
|
| | | me = copy;
|
| | | } else {
|
| | | me.size -= sibling.size;
|
| | | me.height -= sibling.height;
|
| | | var myIndex = indexOf(me.parent.children, me);
|
| | | me.parent.children.splice(myIndex + 1, 0, sibling);
|
| | | }
|
| | | sibling.parent = me.parent;
|
| | | } while (me.children.length > 10);
|
| | | me.parent.maybeSpill();
|
| | | },
|
| | | iter: function(from, to, op) { this.iterN(from, to - from, op); },
|
| | | iterN: function(at, n, op) {
|
| | | for (var i = 0, e = this.children.length; i < e; ++i) {
|
| | | var child = this.children[i], sz = child.chunkSize();
|
| | | if (at < sz) {
|
| | | var used = Math.min(n, sz - at);
|
| | | if (child.iterN(at, used, op)) return true;
|
| | | if ((n -= used) == 0) break;
|
| | | at = 0;
|
| | | } else at -= sz;
|
| | | }
|
| | | }
|
| | | };
|
| | |
|
| | | function getLineAt(chunk, n) {
|
| | | while (!chunk.lines) {
|
| | | for (var i = 0;; ++i) {
|
| | | var child = chunk.children[i], sz = child.chunkSize();
|
| | | if (n < sz) { chunk = child; break; }
|
| | | n -= sz;
|
| | | }
|
| | | }
|
| | | return chunk.lines[n];
|
| | | }
|
| | | function lineNo(line) {
|
| | | if (line.parent == null) return null;
|
| | | var cur = line.parent, no = indexOf(cur.lines, line);
|
| | | for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
|
| | | for (var i = 0, e = chunk.children.length; ; ++i) {
|
| | | if (chunk.children[i] == cur) break;
|
| | | no += chunk.children[i].chunkSize();
|
| | | }
|
| | | }
|
| | | return no;
|
| | | }
|
| | | function lineAtHeight(chunk, h) {
|
| | | var n = 0;
|
| | | outer: do {
|
| | | for (var i = 0, e = chunk.children.length; i < e; ++i) {
|
| | | var child = chunk.children[i], ch = child.height;
|
| | | if (h < ch) { chunk = child; continue outer; }
|
| | | h -= ch;
|
| | | n += child.chunkSize();
|
| | | }
|
| | | return n;
|
| | | } while (!chunk.lines);
|
| | | for (var i = 0, e = chunk.lines.length; i < e; ++i) {
|
| | | var line = chunk.lines[i], lh = line.height;
|
| | | if (h < lh) break;
|
| | | h -= lh;
|
| | | }
|
| | | return n + i;
|
| | | }
|
| | | function heightAtLine(chunk, n) {
|
| | | var h = 0;
|
| | | outer: do {
|
| | | for (var i = 0, e = chunk.children.length; i < e; ++i) {
|
| | | var child = chunk.children[i], sz = child.chunkSize();
|
| | | if (n < sz) { chunk = child; continue outer; }
|
| | | n -= sz;
|
| | | h += child.height;
|
| | | }
|
| | | return h;
|
| | | } while (!chunk.lines);
|
| | | for (var i = 0; i < n; ++i) h += chunk.lines[i].height;
|
| | | return h;
|
| | | }
|
| | |
|
| | | // The history object 'chunks' changes that are made close together
|
| | | // and at almost the same time into bigger undoable units.
|
| | | function History() {
|
| | | this.time = 0;
|
| | | this.done = []; this.undone = [];
|
| | | }
|
| | | History.prototype = {
|
| | | addChange: function(start, added, old) {
|
| | | this.undone.length = 0;
|
| | | var time = +new Date, last = this.done[this.done.length - 1];
|
| | | if (time - this.time > 400 || !last ||
|
| | | last.start > start + added || last.start + last.added < start - last.added + last.old.length)
|
| | | this.done.push({start: start, added: added, old: old});
|
| | | else {
|
| | | var oldoff = 0;
|
| | | if (start < last.start) {
|
| | | for (var i = last.start - start - 1; i >= 0; --i)
|
| | | last.old.unshift(old[i]);
|
| | | last.added += last.start - start;
|
| | | last.start = start;
|
| | | }
|
| | | else if (last.start < start) {
|
| | | oldoff = start - last.start;
|
| | | added += oldoff;
|
| | | }
|
| | | for (var i = last.added - oldoff, e = old.length; i < e; ++i)
|
| | | last.old.push(old[i]);
|
| | | if (last.added < added) last.added = added;
|
| | | }
|
| | | this.time = time;
|
| | | }
|
| | | };
|
| | |
|
| | | function stopMethod() {e_stop(this);}
|
| | | // Ensure an event has a stop method.
|
| | | function addStop(event) {
|
| | | if (!event.stop) event.stop = stopMethod;
|
| | | return event;
|
| | | }
|
| | |
|
| | | function e_preventDefault(e) {
|
| | | if (e.preventDefault) e.preventDefault();
|
| | | else e.returnValue = false;
|
| | | }
|
| | | function e_stopPropagation(e) {
|
| | | if (e.stopPropagation) e.stopPropagation();
|
| | | else e.cancelBubble = true;
|
| | | }
|
| | | function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
|
| | | CodeMirror.e_stop = e_stop;
|
| | | CodeMirror.e_preventDefault = e_preventDefault;
|
| | | CodeMirror.e_stopPropagation = e_stopPropagation;
|
| | |
|
| | | function e_target(e) {return e.target || e.srcElement;}
|
| | | function e_button(e) {
|
| | | if (e.which) return e.which;
|
| | | else if (e.button & 1) return 1;
|
| | | else if (e.button & 2) return 3;
|
| | | else if (e.button & 4) return 2;
|
| | | }
|
| | |
|
| | | // Event handler registration. If disconnect is true, it'll return a
|
| | | // function that unregisters the handler.
|
| | | function connect(node, type, handler, disconnect) {
|
| | | if (typeof node.addEventListener == "function") {
|
| | | node.addEventListener(type, handler, false);
|
| | | if (disconnect) return function() {node.removeEventListener(type, handler, false);};
|
| | | }
|
| | | else {
|
| | | var wrapHandler = function(event) {handler(event || window.event);};
|
| | | node.attachEvent("on" + type, wrapHandler);
|
| | | if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);};
|
| | | }
|
| | | }
|
| | | CodeMirror.connect = connect;
|
| | |
|
| | | function Delayed() {this.id = null;}
|
| | | Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}};
|
| | |
|
| | | // Detect drag-and-drop
|
| | | var dragAndDrop = function() {
|
| | | // IE8 has ondragstart and ondrop properties, but doesn't seem to
|
| | | // actually support ondragstart the way it's supposed to work.
|
| | | if (/MSIE [1-8]\b/.test(navigator.userAgent)) return false;
|
| | | var div = document.createElement('div');
|
| | | return "draggable" in div;
|
| | | }();
|
| | |
|
| | | var gecko = /gecko\/\d{7}/i.test(navigator.userAgent);
|
| | | var ie = /MSIE \d/.test(navigator.userAgent);
|
| | | var webkit = /WebKit\//.test(navigator.userAgent);
|
| | |
|
| | | var lineSep = "\n";
|
| | | // Feature-detect whether newlines in textareas are converted to \r\n
|
| | | (function () {
|
| | | var te = document.createElement("textarea");
|
| | | te.value = "foo\nbar";
|
| | | if (te.value.indexOf("\r") > -1) lineSep = "\r\n";
|
| | | }());
|
| | |
|
| | | // Counts the column offset in a string, taking tabs into account.
|
| | | // Used mostly to find indentation.
|
| | | function countColumn(string, end, tabSize) {
|
| | | if (end == null) {
|
| | | end = string.search(/[^\s\u00a0]/);
|
| | | if (end == -1) end = string.length;
|
| | | }
|
| | | for (var i = 0, n = 0; i < end; ++i) {
|
| | | if (string.charAt(i) == "\t") n += tabSize - (n % tabSize);
|
| | | else ++n;
|
| | | }
|
| | | return n;
|
| | | }
|
| | |
|
| | | function computedStyle(elt) {
|
| | | if (elt.currentStyle) return elt.currentStyle;
|
| | | return window.getComputedStyle(elt, null);
|
| | | }
|
| | |
|
| | | // Find the position of an element by following the offsetParent chain.
|
| | | // If screen==true, it returns screen (rather than page) coordinates.
|
| | | function eltOffset(node, screen) {
|
| | | var bod = node.ownerDocument.body;
|
| | | var x = 0, y = 0, skipBody = false;
|
| | | for (var n = node; n; n = n.offsetParent) {
|
| | | var ol = n.offsetLeft, ot = n.offsetTop;
|
| | | // Firefox reports weird inverted offsets when the body has a border.
|
| | | if (n == bod) { x += Math.abs(ol); y += Math.abs(ot); }
|
| | | else { x += ol, y += ot; }
|
| | | if (screen && computedStyle(n).position == "fixed")
|
| | | skipBody = true;
|
| | | }
|
| | | var e = screen && !skipBody ? null : bod;
|
| | | for (var n = node.parentNode; n != e; n = n.parentNode)
|
| | | if (n.scrollLeft != null) { x -= n.scrollLeft; y -= n.scrollTop;}
|
| | | return {left: x, top: y};
|
| | | }
|
| | | // Use the faster and saner getBoundingClientRect method when possible.
|
| | | if (document.documentElement.getBoundingClientRect != null) eltOffset = function(node, screen) {
|
| | | // Take the parts of bounding client rect that we are interested in so we are able to edit if need be,
|
| | | // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page)
|
| | | try { var box = node.getBoundingClientRect(); box = { top: box.top, left: box.left }; }
|
| | | catch(e) { box = {top: 0, left: 0}; }
|
| | | if (!screen) {
|
| | | // Get the toplevel scroll, working around browser differences.
|
| | | if (window.pageYOffset == null) {
|
| | | var t = document.documentElement || document.body.parentNode;
|
| | | if (t.scrollTop == null) t = document.body;
|
| | | box.top += t.scrollTop; box.left += t.scrollLeft;
|
| | | } else {
|
| | | box.top += window.pageYOffset; box.left += window.pageXOffset;
|
| | | }
|
| | | }
|
| | | return box;
|
| | | };
|
| | |
|
| | | // Get a node's text content.
|
| | | function eltText(node) {
|
| | | return node.textContent || node.innerText || node.nodeValue || "";
|
| | | }
|
| | |
|
| | | // Operations on {line, ch} objects.
|
| | | function posEq(a, b) {return a.line == b.line && a.ch == b.ch;}
|
| | | function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);}
|
| | | function copyPos(x) {return {line: x.line, ch: x.ch};}
|
| | |
|
| | | var escapeElement = document.createElement("pre");
|
| | | function htmlEscape(str) {
|
| | | escapeElement.textContent = str;
|
| | | return escapeElement.innerHTML;
|
| | | }
|
| | | // Recent (late 2011) Opera betas insert bogus newlines at the start
|
| | | // of the textContent, so we strip those.
|
| | | if (htmlEscape("a") == "\na")
|
| | | htmlEscape = function(str) {
|
| | | escapeElement.textContent = str;
|
| | | return escapeElement.innerHTML.slice(1);
|
| | | };
|
| | | // Some IEs don't preserve tabs through innerHTML
|
| | | else if (htmlEscape("\t") != "\t")
|
| | | htmlEscape = function(str) {
|
| | | escapeElement.innerHTML = "";
|
| | | escapeElement.appendChild(document.createTextNode(str));
|
| | | return escapeElement.innerHTML;
|
| | | };
|
| | | CodeMirror.htmlEscape = htmlEscape;
|
| | |
|
| | | // Used to position the cursor after an undo/redo by finding the
|
| | | // last edited character.
|
| | | function editEnd(from, to) {
|
| | | if (!to) return from ? from.length : 0;
|
| | | if (!from) return to.length;
|
| | | for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j)
|
| | | if (from.charAt(i) != to.charAt(j)) break;
|
| | | return j + 1;
|
| | | }
|
| | |
|
| | | function indexOf(collection, elt) {
|
| | | if (collection.indexOf) return collection.indexOf(elt);
|
| | | for (var i = 0, e = collection.length; i < e; ++i)
|
| | | if (collection[i] == elt) return i;
|
| | | return -1;
|
| | | }
|
| | | function isWordChar(ch) {
|
| | | return /\w/.test(ch) || ch.toUpperCase() != ch.toLowerCase();
|
| | | }
|
| | |
|
| | | // See if "".split is the broken IE version, if so, provide an
|
| | | // alternative way to split lines.
|
| | | var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
|
| | | var pos = 0, nl, result = [];
|
| | | while ((nl = string.indexOf("\n", pos)) > -1) {
|
| | | result.push(string.slice(pos, string.charAt(nl-1) == "\r" ? nl - 1 : nl));
|
| | | pos = nl + 1;
|
| | | }
|
| | | result.push(string.slice(pos));
|
| | | return result;
|
| | | } : function(string){return string.split(/\r?\n/);};
|
| | | CodeMirror.splitLines = splitLines;
|
| | |
|
| | | var hasSelection = window.getSelection ? function(te) {
|
| | | try { return te.selectionStart != te.selectionEnd; }
|
| | | catch(e) { return false; }
|
| | | } : function(te) {
|
| | | try {var range = te.ownerDocument.selection.createRange();}
|
| | | catch(e) {}
|
| | | if (!range || range.parentElement() != te) return false;
|
| | | return range.compareEndPoints("StartToEnd", range) != 0;
|
| | | };
|
| | |
|
| | | CodeMirror.defineMode("null", function() {
|
| | | return {token: function(stream) {stream.skipToEnd();}};
|
| | | });
|
| | | CodeMirror.defineMIME("text/plain", "null");
|
| | |
|
| | | var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
|
| | | 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
|
| | | 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
|
| | | 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 186: ";", 187: "=", 188: ",",
|
| | | 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", 221: "]", 222: "'", 63276: "PageUp",
|
| | | 63277: "PageDown", 63275: "End", 63273: "Home", 63234: "Left", 63232: "Up", 63235: "Right",
|
| | | 63233: "Down", 63302: "Insert", 63272: "Delete"};
|
| | | CodeMirror.keyNames = keyNames;
|
| | | (function() {
|
| | | // Number keys
|
| | | for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i);
|
| | | // Alphabetic keys
|
| | | for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
|
| | | // Function keys
|
| | | for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
|
| | | })();
|
| | |
|
| | | return CodeMirror;
|
| | | })();
|
| | | CodeMirror.defineMode("xml", function(config, parserConfig) {
|
| | | var indentUnit = config.indentUnit;
|
| | | var Kludges = parserConfig.htmlMode ? {
|
| | | autoSelfClosers: {"br": true, "img": true, "hr": true, "link": true, "input": true,
|
| | | "meta": true, "col": true, "frame": true, "base": true, "area": true},
|
| | | doNotIndent: {"pre": true},
|
| | | allowUnquoted: true
|
| | | } : {autoSelfClosers: {}, doNotIndent: {}, allowUnquoted: false};
|
| | | var alignCDATA = parserConfig.alignCDATA;
|
| | |
|
| | | // Return variables for tokenizers
|
| | | var tagName, type;
|
| | |
|
| | | function inText(stream, state) {
|
| | | function chain(parser) {
|
| | | state.tokenize = parser;
|
| | | return parser(stream, state);
|
| | | }
|
| | |
|
| | | var ch = stream.next();
|
| | | if (ch == "<") {
|
| | | if (stream.eat("!")) {
|
| | | if (stream.eat("[")) {
|
| | | if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
|
| | | else return null;
|
| | | }
|
| | | else if (stream.match("--")) return chain(inBlock("comment", "-->"));
|
| | | else if (stream.match("DOCTYPE", true, true)) {
|
| | | stream.eatWhile(/[\w\._\-]/);
|
| | | return chain(doctype(1));
|
| | | }
|
| | | else return null;
|
| | | }
|
| | | else if (stream.eat("?")) {
|
| | | stream.eatWhile(/[\w\._\-]/);
|
| | | state.tokenize = inBlock("meta", "?>");
|
| | | return "meta";
|
| | | }
|
| | | else {
|
| | | type = stream.eat("/") ? "closeTag" : "openTag";
|
| | | stream.eatSpace();
|
| | | tagName = "";
|
| | | var c;
|
| | | while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c;
|
| | | state.tokenize = inTag;
|
| | | return "tag";
|
| | | }
|
| | | }
|
| | | else if (ch == "&") {
|
| | | stream.eatWhile(/[^;]/);
|
| | | stream.eat(";");
|
| | | return "atom";
|
| | | }
|
| | | else {
|
| | | stream.eatWhile(/[^&<]/);
|
| | | return null;
|
| | | }
|
| | | }
|
| | |
|
| | | function inTag(stream, state) {
|
| | | var ch = stream.next();
|
| | | if (ch == ">" || (ch == "/" && stream.eat(">"))) {
|
| | | state.tokenize = inText;
|
| | | type = ch == ">" ? "endTag" : "selfcloseTag";
|
| | | return "tag";
|
| | | }
|
| | | else if (ch == "=") {
|
| | | type = "equals";
|
| | | return null;
|
| | | }
|
| | | else if (/[\'\"]/.test(ch)) {
|
| | | state.tokenize = inAttribute(ch);
|
| | | return state.tokenize(stream, state);
|
| | | }
|
| | | else {
|
| | | stream.eatWhile(/[^\s\u00a0=<>\"\'\/?]/);
|
| | | return "word";
|
| | | }
|
| | | }
|
| | |
|
| | | function inAttribute(quote) {
|
| | | return function(stream, state) {
|
| | | while (!stream.eol()) {
|
| | | if (stream.next() == quote) {
|
| | | state.tokenize = inTag;
|
| | | break;
|
| | | }
|
| | | }
|
| | | return "string";
|
| | | };
|
| | | }
|
| | |
|
| | | function inBlock(style, terminator) {
|
| | | return function(stream, state) {
|
| | | while (!stream.eol()) {
|
| | | if (stream.match(terminator)) {
|
| | | state.tokenize = inText;
|
| | | break;
|
| | | }
|
| | | stream.next();
|
| | | }
|
| | | return style;
|
| | | };
|
| | | }
|
| | | function doctype(depth) {
|
| | | return function(stream, state) {
|
| | | var ch;
|
| | | while ((ch = stream.next()) != null) {
|
| | | if (ch == "<") {
|
| | | state.tokenize = doctype(depth + 1);
|
| | | return state.tokenize(stream, state);
|
| | | } else if (ch == ">") {
|
| | | if (depth == 1) {
|
| | | state.tokenize = inText;
|
| | | break;
|
| | | } else {
|
| | | state.tokenize = doctype(depth - 1);
|
| | | return state.tokenize(stream, state);
|
| | | }
|
| | | }
|
| | | }
|
| | | return "meta";
|
| | | };
|
| | | }
|
| | |
|
| | | var curState, setStyle;
|
| | | function pass() {
|
| | | for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]);
|
| | | }
|
| | | function cont() {
|
| | | pass.apply(null, arguments);
|
| | | return true;
|
| | | }
|
| | |
|
| | | function pushContext(tagName, startOfLine) {
|
| | | var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent);
|
| | | curState.context = {
|
| | | prev: curState.context,
|
| | | tagName: tagName,
|
| | | indent: curState.indented,
|
| | | startOfLine: startOfLine,
|
| | | noIndent: noIndent
|
| | | };
|
| | | }
|
| | | function popContext() {
|
| | | if (curState.context) curState.context = curState.context.prev;
|
| | | }
|
| | |
|
| | | function element(type) {
|
| | | if (type == "openTag") {
|
| | | curState.tagName = tagName;
|
| | | return cont(attributes, endtag(curState.startOfLine));
|
| | | } else if (type == "closeTag") {
|
| | | var err = false;
|
| | | if (curState.context) {
|
| | | err = curState.context.tagName != tagName;
|
| | | } else {
|
| | | err = true;
|
| | | }
|
| | | if (err) setStyle = "error";
|
| | | return cont(endclosetag(err));
|
| | | }
|
| | | return cont();
|
| | | }
|
| | | function endtag(startOfLine) {
|
| | | return function(type) {
|
| | | if (type == "selfcloseTag" ||
|
| | | (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(curState.tagName.toLowerCase())))
|
| | | return cont();
|
| | | if (type == "endTag") {pushContext(curState.tagName, startOfLine); return cont();}
|
| | | return cont();
|
| | | };
|
| | | }
|
| | | function endclosetag(err) {
|
| | | return function(type) {
|
| | | if (err) setStyle = "error";
|
| | | if (type == "endTag") { popContext(); return cont(); }
|
| | | setStyle = "error";
|
| | | return cont(arguments.callee);
|
| | | }
|
| | | }
|
| | |
|
| | | function attributes(type) {
|
| | | if (type == "word") {setStyle = "attribute"; return cont(attributes);}
|
| | | if (type == "equals") return cont(attvalue, attributes);
|
| | | if (type == "string") {setStyle = "error"; return cont(attributes);}
|
| | | return pass();
|
| | | }
|
| | | function attvalue(type) {
|
| | | if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();}
|
| | | if (type == "string") return cont(attvaluemaybe);
|
| | | return pass();
|
| | | }
|
| | | function attvaluemaybe(type) {
|
| | | if (type == "string") return cont(attvaluemaybe);
|
| | | else return pass();
|
| | | }
|
| | |
|
| | | return {
|
| | | startState: function() {
|
| | | return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null};
|
| | | },
|
| | |
|
| | | token: function(stream, state) {
|
| | | if (stream.sol()) {
|
| | | state.startOfLine = true;
|
| | | state.indented = stream.indentation();
|
| | | }
|
| | | if (stream.eatSpace()) return null;
|
| | |
|
| | | setStyle = type = tagName = null;
|
| | | var style = state.tokenize(stream, state);
|
| | | state.type = type;
|
| | | if ((style || type) && style != "comment") {
|
| | | curState = state;
|
| | | while (true) {
|
| | | var comb = state.cc.pop() || element;
|
| | | if (comb(type || style)) break;
|
| | | }
|
| | | }
|
| | | state.startOfLine = false;
|
| | | return setStyle || style;
|
| | | },
|
| | |
|
| | | indent: function(state, textAfter, fullLine) {
|
| | | var context = state.context;
|
| | | if ((state.tokenize != inTag && state.tokenize != inText) ||
|
| | | context && context.noIndent)
|
| | | return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
|
| | | if (alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
|
| | | if (context && /^<\//.test(textAfter))
|
| | | context = context.prev;
|
| | | while (context && !context.startOfLine)
|
| | | context = context.prev;
|
| | | if (context) return context.indent + indentUnit;
|
| | | else return 0;
|
| | | },
|
| | |
|
| | | compareStates: function(a, b) {
|
| | | if (a.indented != b.indented || a.tokenize != b.tokenize) return false;
|
| | | for (var ca = a.context, cb = b.context; ; ca = ca.prev, cb = cb.prev) {
|
| | | if (!ca || !cb) return ca == cb;
|
| | | if (ca.tagName != cb.tagName) return false;
|
| | | }
|
| | | },
|
| | |
|
| | | electricChars: "/"
|
| | | };
|
| | | });
|
| | |
|
| | | CodeMirror.defineMIME("application/xml", "xml");
|
| | | CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
|
| | | CodeMirror.defineMode("javascript", function(config, parserConfig) {
|
| | | var indentUnit = config.indentUnit;
|
| | | var jsonMode = parserConfig.json;
|
| | |
|
| | | // Tokenizer
|
| | |
|
| | | var keywords = function(){
|
| | | function kw(type) {return {type: type, style: "keyword"};}
|
| | | var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
|
| | | var operator = kw("operator"), atom = {type: "atom", style: "atom"};
|
| | | return {
|
| | | "if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
|
| | | "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C,
|
| | | "var": kw("var"), "const": kw("var"), "let": kw("var"),
|
| | | "function": kw("function"), "catch": kw("catch"),
|
| | | "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
|
| | | "in": operator, "typeof": operator, "instanceof": operator,
|
| | | "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom
|
| | | };
|
| | | }();
|
| | |
|
| | | var isOperatorChar = /[+\-*&%=<>!?|]/;
|
| | |
|
| | | function chain(stream, state, f) {
|
| | | state.tokenize = f;
|
| | | return f(stream, state);
|
| | | }
|
| | |
|
| | | function nextUntilUnescaped(stream, end) {
|
| | | var escaped = false, next;
|
| | | while ((next = stream.next()) != null) {
|
| | | if (next == end && !escaped)
|
| | | return false;
|
| | | escaped = !escaped && next == "\\";
|
| | | }
|
| | | return escaped;
|
| | | }
|
| | |
|
| | | // Used as scratch variables to communicate multiple values without
|
| | | // consing up tons of objects.
|
| | | var type, content;
|
| | | function ret(tp, style, cont) {
|
| | | type = tp; content = cont;
|
| | | return style;
|
| | | }
|
| | |
|
| | | function jsTokenBase(stream, state) {
|
| | | var ch = stream.next();
|
| | | if (ch == '"' || ch == "'")
|
| | | return chain(stream, state, jsTokenString(ch));
|
| | | else if (/[\[\]{}\(\),;\:\.]/.test(ch))
|
| | | return ret(ch);
|
| | | else if (ch == "0" && stream.eat(/x/i)) {
|
| | | stream.eatWhile(/[\da-f]/i);
|
| | | return ret("number", "number");
|
| | | }
|
| | | else if (/\d/.test(ch)) {
|
| | | stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
|
| | | return ret("number", "number");
|
| | | }
|
| | | else if (ch == "/") {
|
| | | if (stream.eat("*")) {
|
| | | return chain(stream, state, jsTokenComment);
|
| | | }
|
| | | else if (stream.eat("/")) {
|
| | | stream.skipToEnd();
|
| | | return ret("comment", "comment");
|
| | | }
|
| | | else if (state.reAllowed) {
|
| | | nextUntilUnescaped(stream, "/");
|
| | | stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla
|
| | | return ret("regexp", "string");
|
| | | }
|
| | | else {
|
| | | stream.eatWhile(isOperatorChar);
|
| | | return ret("operator", null, stream.current());
|
| | | }
|
| | | }
|
| | | else if (ch == "#") {
|
| | | stream.skipToEnd();
|
| | | return ret("error", "error");
|
| | | }
|
| | | else if (isOperatorChar.test(ch)) {
|
| | | stream.eatWhile(isOperatorChar);
|
| | | return ret("operator", null, stream.current());
|
| | | }
|
| | | else {
|
| | | stream.eatWhile(/[\w\$_]/);
|
| | | var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
|
| | | return (known && state.kwAllowed) ? ret(known.type, known.style, word) :
|
| | | ret("variable", "variable", word);
|
| | | }
|
| | | }
|
| | |
|
| | | function jsTokenString(quote) {
|
| | | return function(stream, state) {
|
| | | if (!nextUntilUnescaped(stream, quote))
|
| | | state.tokenize = jsTokenBase;
|
| | | return ret("string", "string");
|
| | | };
|
| | | }
|
| | |
|
| | | function jsTokenComment(stream, state) {
|
| | | var maybeEnd = false, ch;
|
| | | while (ch = stream.next()) {
|
| | | if (ch == "/" && maybeEnd) {
|
| | | state.tokenize = jsTokenBase;
|
| | | break;
|
| | | }
|
| | | maybeEnd = (ch == "*");
|
| | | }
|
| | | return ret("comment", "comment");
|
| | | }
|
| | |
|
| | | // Parser
|
| | |
|
| | | var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true};
|
| | |
|
| | | function JSLexical(indented, column, type, align, prev, info) {
|
| | | this.indented = indented;
|
| | | this.column = column;
|
| | | this.type = type;
|
| | | this.prev = prev;
|
| | | this.info = info;
|
| | | if (align != null) this.align = align;
|
| | | }
|
| | |
|
| | | function inScope(state, varname) {
|
| | | for (var v = state.localVars; v; v = v.next)
|
| | | if (v.name == varname) return true;
|
| | | }
|
| | |
|
| | | function parseJS(state, style, type, content, stream) {
|
| | | var cc = state.cc;
|
| | | // Communicate our context to the combinators.
|
| | | // (Less wasteful than consing up a hundred closures on every call.)
|
| | | cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;
|
| | |
|
| | | if (!state.lexical.hasOwnProperty("align"))
|
| | | state.lexical.align = true;
|
| | |
|
| | | while(true) {
|
| | | var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
|
| | | if (combinator(type, content)) {
|
| | | while(cc.length && cc[cc.length - 1].lex)
|
| | | cc.pop()();
|
| | | if (cx.marked) return cx.marked;
|
| | | if (type == "variable" && inScope(state, content)) return "variable-2";
|
| | | return style;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | // Combinator utils
|
| | |
|
| | | var cx = {state: null, column: null, marked: null, cc: null};
|
| | | function pass() {
|
| | | for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
|
| | | }
|
| | | function cont() {
|
| | | pass.apply(null, arguments);
|
| | | return true;
|
| | | }
|
| | | function register(varname) {
|
| | | var state = cx.state;
|
| | | if (state.context) {
|
| | | cx.marked = "def";
|
| | | for (var v = state.localVars; v; v = v.next)
|
| | | if (v.name == varname) return;
|
| | | state.localVars = {name: varname, next: state.localVars};
|
| | | }
|
| | | }
|
| | |
|
| | | // Combinators
|
| | |
|
| | | var defaultVars = {name: "this", next: {name: "arguments"}};
|
| | | function pushcontext() {
|
| | | if (!cx.state.context) cx.state.localVars = defaultVars;
|
| | | cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
|
| | | }
|
| | | function popcontext() {
|
| | | cx.state.localVars = cx.state.context.vars;
|
| | | cx.state.context = cx.state.context.prev;
|
| | | }
|
| | | function pushlex(type, info) {
|
| | | var result = function() {
|
| | | var state = cx.state;
|
| | | state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info)
|
| | | };
|
| | | result.lex = true;
|
| | | return result;
|
| | | }
|
| | | function poplex() {
|
| | | var state = cx.state;
|
| | | if (state.lexical.prev) {
|
| | | if (state.lexical.type == ")")
|
| | | state.indented = state.lexical.indented;
|
| | | state.lexical = state.lexical.prev;
|
| | | }
|
| | | }
|
| | | poplex.lex = true;
|
| | |
|
| | | function expect(wanted) {
|
| | | return function expecting(type) {
|
| | | if (type == wanted) return cont();
|
| | | else if (wanted == ";") return pass();
|
| | | else return cont(arguments.callee);
|
| | | };
|
| | | }
|
| | |
|
| | | function statement(type) {
|
| | | if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex);
|
| | | if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
|
| | | if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
|
| | | if (type == "{") return cont(pushlex("}"), block, poplex);
|
| | | if (type == ";") return cont();
|
| | | if (type == "function") return cont(functiondef);
|
| | | if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"),
|
| | | poplex, statement, poplex);
|
| | | if (type == "variable") return cont(pushlex("stat"), maybelabel);
|
| | | if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
|
| | | block, poplex, poplex);
|
| | | if (type == "case") return cont(expression, expect(":"));
|
| | | if (type == "default") return cont(expect(":"));
|
| | | if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
|
| | | statement, poplex, popcontext);
|
| | | return pass(pushlex("stat"), expression, expect(";"), poplex);
|
| | | }
|
| | | function expression(type) {
|
| | | if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator);
|
| | | if (type == "function") return cont(functiondef);
|
| | | if (type == "keyword c") return cont(maybeexpression);
|
| | | if (type == "(") return cont(pushlex(")"), expression, expect(")"), poplex, maybeoperator);
|
| | | if (type == "operator") return cont(expression);
|
| | | if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator);
|
| | | if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator);
|
| | | return cont();
|
| | | }
|
| | | function maybeexpression(type) {
|
| | | if (type.match(/[;\}\)\],]/)) return pass();
|
| | | return pass(expression);
|
| | | }
|
| | |
|
| | | function maybeoperator(type, value) {
|
| | | if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator);
|
| | | if (type == "operator") return cont(expression);
|
| | | if (type == ";") return;
|
| | | if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator);
|
| | | if (type == ".") return cont(property, maybeoperator);
|
| | | if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);
|
| | | }
|
| | | function maybelabel(type) {
|
| | | if (type == ":") return cont(poplex, statement);
|
| | | return pass(maybeoperator, expect(";"), poplex);
|
| | | }
|
| | | function property(type) {
|
| | | if (type == "variable") {cx.marked = "property"; return cont();}
|
| | | }
|
| | | function objprop(type) {
|
| | | if (type == "variable") cx.marked = "property";
|
| | | if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression);
|
| | | }
|
| | | function commasep(what, end) {
|
| | | function proceed(type) {
|
| | | if (type == ",") return cont(what, proceed);
|
| | | if (type == end) return cont();
|
| | | return cont(expect(end));
|
| | | }
|
| | | return function commaSeparated(type) {
|
| | | if (type == end) return cont();
|
| | | else return pass(what, proceed);
|
| | | };
|
| | | }
|
| | | function block(type) {
|
| | | if (type == "}") return cont();
|
| | | return pass(statement, block);
|
| | | }
|
| | | function vardef1(type, value) {
|
| | | if (type == "variable"){register(value); return cont(vardef2);}
|
| | | return cont();
|
| | | }
|
| | | function vardef2(type, value) {
|
| | | if (value == "=") return cont(expression, vardef2);
|
| | | if (type == ",") return cont(vardef1);
|
| | | }
|
| | | function forspec1(type) {
|
| | | if (type == "var") return cont(vardef1, forspec2);
|
| | | if (type == ";") return pass(forspec2);
|
| | | if (type == "variable") return cont(formaybein);
|
| | | return pass(forspec2);
|
| | | }
|
| | | function formaybein(type, value) {
|
| | | if (value == "in") return cont(expression);
|
| | | return cont(maybeoperator, forspec2);
|
| | | }
|
| | | function forspec2(type, value) {
|
| | | if (type == ";") return cont(forspec3);
|
| | | if (value == "in") return cont(expression);
|
| | | return cont(expression, expect(";"), forspec3);
|
| | | }
|
| | | function forspec3(type) {
|
| | | if (type != ")") cont(expression);
|
| | | }
|
| | | function functiondef(type, value) {
|
| | | if (type == "variable") {register(value); return cont(functiondef);}
|
| | | if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, statement, popcontext);
|
| | | }
|
| | | function funarg(type, value) {
|
| | | if (type == "variable") {register(value); return cont();}
|
| | | }
|
| | |
|
| | | // Interface
|
| | |
|
| | | return {
|
| | | startState: function(basecolumn) {
|
| | | return {
|
| | | tokenize: jsTokenBase,
|
| | | reAllowed: true,
|
| | | kwAllowed: true,
|
| | | cc: [],
|
| | | lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
|
| | | localVars: null,
|
| | | context: null,
|
| | | indented: 0
|
| | | };
|
| | | },
|
| | |
|
| | | token: function(stream, state) {
|
| | | if (stream.sol()) {
|
| | | if (!state.lexical.hasOwnProperty("align"))
|
| | | state.lexical.align = false;
|
| | | state.indented = stream.indentation();
|
| | | }
|
| | | if (stream.eatSpace()) return null;
|
| | | var style = state.tokenize(stream, state);
|
| | | if (type == "comment") return style;
|
| | | state.reAllowed = type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/);
|
| | | state.kwAllowed = type != '.';
|
| | | return parseJS(state, style, type, content, stream);
|
| | | },
|
| | |
|
| | | indent: function(state, textAfter) {
|
| | | if (state.tokenize != jsTokenBase) return 0;
|
| | | var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical,
|
| | | type = lexical.type, closing = firstChar == type;
|
| | | if (type == "vardef") return lexical.indented + 4;
|
| | | else if (type == "form" && firstChar == "{") return lexical.indented;
|
| | | else if (type == "stat" || type == "form") return lexical.indented + indentUnit;
|
| | | else if (lexical.info == "switch" && !closing)
|
| | | return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
|
| | | else if (lexical.align) return lexical.column + (closing ? 0 : 1);
|
| | | else return lexical.indented + (closing ? 0 : indentUnit);
|
| | | },
|
| | |
|
| | | electricChars: ":{}"
|
| | | };
|
| | | });
|
| | |
|
| | | CodeMirror.defineMIME("text/javascript", "javascript");
|
| | | CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
|
| | |
|
| | | CodeMirror.defineMode("css", function(config) {
|
| | | var indentUnit = config.indentUnit, type;
|
| | | function ret(style, tp) {type = tp; return style;}
|
| | |
|
| | | function tokenBase(stream, state) {
|
| | | var ch = stream.next();
|
| | | if (ch == "@") {stream.eatWhile(/[\w\\\-]/); return ret("meta", stream.current());}
|
| | | else if (ch == "/" && stream.eat("*")) {
|
| | | state.tokenize = tokenCComment;
|
| | | return tokenCComment(stream, state);
|
| | | }
|
| | | else if (ch == "<" && stream.eat("!")) {
|
| | | state.tokenize = tokenSGMLComment;
|
| | | return tokenSGMLComment(stream, state);
|
| | | }
|
| | | else if (ch == "=") ret(null, "compare");
|
| | | else if ((ch == "~" || ch == "|") && stream.eat("=")) return ret(null, "compare");
|
| | | else if (ch == "\"" || ch == "'") {
|
| | | state.tokenize = tokenString(ch);
|
| | | return state.tokenize(stream, state);
|
| | | }
|
| | | else if (ch == "#") {
|
| | | stream.eatWhile(/[\w\\\-]/);
|
| | | return ret("atom", "hash");
|
| | | }
|
| | | else if (ch == "!") {
|
| | | stream.match(/^\s*\w*/);
|
| | | return ret("keyword", "important");
|
| | | }
|
| | | else if (/\d/.test(ch)) {
|
| | | stream.eatWhile(/[\w.%]/);
|
| | | return ret("number", "unit");
|
| | | }
|
| | | else if (/[,.+>*\/]/.test(ch)) {
|
| | | return ret(null, "select-op");
|
| | | }
|
| | | else if (/[;{}:\[\]]/.test(ch)) {
|
| | | return ret(null, ch);
|
| | | }
|
| | | else {
|
| | | stream.eatWhile(/[\w\\\-]/);
|
| | | return ret("variable", "variable");
|
| | | }
|
| | | }
|
| | |
|
| | | function tokenCComment(stream, state) {
|
| | | var maybeEnd = false, ch;
|
| | | while ((ch = stream.next()) != null) {
|
| | | if (maybeEnd && ch == "/") {
|
| | | state.tokenize = tokenBase;
|
| | | break;
|
| | | }
|
| | | maybeEnd = (ch == "*");
|
| | | }
|
| | | return ret("comment", "comment");
|
| | | }
|
| | |
|
| | | function tokenSGMLComment(stream, state) {
|
| | | var dashes = 0, ch;
|
| | | while ((ch = stream.next()) != null) {
|
| | | if (dashes >= 2 && ch == ">") {
|
| | | state.tokenize = tokenBase;
|
| | | break;
|
| | | }
|
| | | dashes = (ch == "-") ? dashes + 1 : 0;
|
| | | }
|
| | | return ret("comment", "comment");
|
| | | }
|
| | |
|
| | | function tokenString(quote) {
|
| | | return function(stream, state) {
|
| | | var escaped = false, ch;
|
| | | while ((ch = stream.next()) != null) {
|
| | | if (ch == quote && !escaped)
|
| | | break;
|
| | | escaped = !escaped && ch == "\\";
|
| | | }
|
| | | if (!escaped) state.tokenize = tokenBase;
|
| | | return ret("string", "string");
|
| | | };
|
| | | }
|
| | |
|
| | | return {
|
| | | startState: function(base) {
|
| | | return {tokenize: tokenBase,
|
| | | baseIndent: base || 0,
|
| | | stack: []};
|
| | | },
|
| | |
|
| | | token: function(stream, state) {
|
| | | if (stream.eatSpace()) return null;
|
| | | var style = state.tokenize(stream, state);
|
| | |
|
| | | var context = state.stack[state.stack.length-1];
|
| | | if (type == "hash" && context == "rule") style = "atom";
|
| | | else if (style == "variable") {
|
| | | if (context == "rule") style = "number";
|
| | | else if (!context || context == "@media{") style = "tag";
|
| | | }
|
| | |
|
| | | if (context == "rule" && /^[\{\};]$/.test(type))
|
| | | state.stack.pop();
|
| | | if (type == "{") {
|
| | | if (context == "@media") state.stack[state.stack.length-1] = "@media{";
|
| | | else state.stack.push("{");
|
| | | }
|
| | | else if (type == "}") state.stack.pop();
|
| | | else if (type == "@media") state.stack.push("@media");
|
| | | else if (context == "{" && type != "comment") state.stack.push("rule");
|
| | | return style;
|
| | | },
|
| | |
|
| | | indent: function(state, textAfter) {
|
| | | var n = state.stack.length;
|
| | | if (/^\}/.test(textAfter))
|
| | | n -= state.stack[state.stack.length-1] == "rule" ? 2 : 1;
|
| | | return state.baseIndent + n * indentUnit;
|
| | | },
|
| | |
|
| | | electricChars: "}"
|
| | | };
|
| | | });
|
| | |
|
| | | CodeMirror.defineMIME("text/css", "css");
|
| | | CodeMirror.defineMode("htmlmixed", function(config, parserConfig) {
|
| | | var htmlMode = CodeMirror.getMode(config, {name: "xml", htmlMode: true});
|
| | | var jsMode = CodeMirror.getMode(config, "javascript");
|
| | | var cssMode = CodeMirror.getMode(config, "css");
|
| | |
|
| | | function html(stream, state) {
|
| | | var style = htmlMode.token(stream, state.htmlState);
|
| | | if (style == "tag" && stream.current() == ">" && state.htmlState.context) {
|
| | | if (/^script$/i.test(state.htmlState.context.tagName)) {
|
| | | state.token = javascript;
|
| | | state.localState = jsMode.startState(htmlMode.indent(state.htmlState, ""));
|
| | | state.mode = "javascript";
|
| | | }
|
| | | else if (/^style$/i.test(state.htmlState.context.tagName)) {
|
| | | state.token = css;
|
| | | state.localState = cssMode.startState(htmlMode.indent(state.htmlState, ""));
|
| | | state.mode = "css";
|
| | | }
|
| | | }
|
| | | return style;
|
| | | }
|
| | | function maybeBackup(stream, pat, style) {
|
| | | var cur = stream.current();
|
| | | var close = cur.search(pat);
|
| | | if (close > -1) stream.backUp(cur.length - close);
|
| | | return style;
|
| | | }
|
| | | function javascript(stream, state) {
|
| | | if (stream.match(/^<\/\s*script\s*>/i, false)) {
|
| | | state.token = html;
|
| | | state.curState = null;
|
| | | state.mode = "html";
|
| | | return html(stream, state);
|
| | | }
|
| | | return maybeBackup(stream, /<\/\s*script\s*>/,
|
| | | jsMode.token(stream, state.localState));
|
| | | }
|
| | | function css(stream, state) {
|
| | | if (stream.match(/^<\/\s*style\s*>/i, false)) {
|
| | | state.token = html;
|
| | | state.localState = null;
|
| | | state.mode = "html";
|
| | | return html(stream, state);
|
| | | }
|
| | | return maybeBackup(stream, /<\/\s*style\s*>/,
|
| | | cssMode.token(stream, state.localState));
|
| | | }
|
| | |
|
| | | return {
|
| | | startState: function() {
|
| | | var state = htmlMode.startState();
|
| | | return {token: html, localState: null, mode: "html", htmlState: state};
|
| | | },
|
| | |
|
| | | copyState: function(state) {
|
| | | if (state.localState)
|
| | | var local = CodeMirror.copyState(state.token == css ? cssMode : jsMode, state.localState);
|
| | | return {token: state.token, localState: local, mode: state.mode,
|
| | | htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
|
| | | },
|
| | |
|
| | | token: function(stream, state) {
|
| | | return state.token(stream, state);
|
| | | },
|
| | |
|
| | | indent: function(state, textAfter) {
|
| | | if (state.token == html || /^\s*<\//.test(textAfter))
|
| | | return htmlMode.indent(state.htmlState, textAfter);
|
| | | else if (state.token == javascript)
|
| | | return jsMode.indent(state.localState, textAfter);
|
| | | else
|
| | | return cssMode.indent(state.localState, textAfter);
|
| | | },
|
| | |
|
| | | compareStates: function(a, b) {
|
| | | return htmlMode.compareStates(a.htmlState, b.htmlState);
|
| | | },
|
| | |
|
| | | electricChars: "/{}:"
|
| | | }
|
| | | });
|
| | |
|
| | | CodeMirror.defineMIME("text/html", "htmlmixed");
|
| | | // CodeMirror version 2.2 |
| | | // |
| | | // All functions that need access to the editor's state live inside |
| | | // the CodeMirror function. Below that, at the bottom of the file, |
| | | // some utilities are defined. |
| | | |
| | | // CodeMirror is the only global var we claim |
| | | var CodeMirror = (function() { |
| | | // This is the function that produces an editor instance. It's |
| | | // closure is used to store the editor state. |
| | | function CodeMirror(place, givenOptions) { |
| | | // Determine effective options based on given values and defaults. |
| | | var options = {}, defaults = CodeMirror.defaults; |
| | | for (var opt in defaults) |
| | | if (defaults.hasOwnProperty(opt)) |
| | | options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt]; |
| | | |
| | | var targetDocument = options["document"]; |
| | | // The element in which the editor lives. |
| | | var wrapper = targetDocument.createElement("div"); |
| | | wrapper.className = "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : ""); |
| | | // This mess creates the base DOM structure for the editor. |
| | | wrapper.innerHTML = |
| | | '<div style="overflow: hidden; position: relative; width: 3px; height: 0px;">' + // Wraps and hides input textarea |
| | | '<textarea style="position: absolute; padding: 0; width: 1px;" wrap="off" ' + |
| | | 'autocorrect="off" autocapitalize="off"></textarea></div>' + |
| | | '<div class="CodeMirror-scroll" tabindex="-1">' + |
| | | '<div style="position: relative">' + // Set to the height of the text, causes scrolling |
| | | '<div style="position: relative">' + // Moved around its parent to cover visible view |
| | | '<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' + |
| | | // Provides positioning relative to (visible) text origin |
| | | '<div class="CodeMirror-lines"><div style="position: relative">' + |
| | | '<div style="position: absolute; width: 100%; height: 0; overflow: hidden; visibility: hidden"></div>' + |
| | | '<pre class="CodeMirror-cursor"> </pre>' + // Absolutely positioned blinky cursor |
| | | '<div></div>' + // This DIV contains the actual code |
| | | '</div></div></div></div></div>'; |
| | | if (place.appendChild) place.appendChild(wrapper); else place(wrapper); |
| | | // I've never seen more elegant code in my life. |
| | | var inputDiv = wrapper.firstChild, input = inputDiv.firstChild, |
| | | scroller = wrapper.lastChild, code = scroller.firstChild, |
| | | mover = code.firstChild, gutter = mover.firstChild, gutterText = gutter.firstChild, |
| | | lineSpace = gutter.nextSibling.firstChild, measure = lineSpace.firstChild, |
| | | cursor = measure.nextSibling, lineDiv = cursor.nextSibling; |
| | | themeChanged(); |
| | | // Needed to hide big blue blinking cursor on Mobile Safari |
| | | if (/AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent)) input.style.width = "0px"; |
| | | if (!webkit) lineSpace.draggable = true; |
| | | if (options.tabindex != null) input.tabIndex = options.tabindex; |
| | | if (!options.gutter && !options.lineNumbers) gutter.style.display = "none"; |
| | | |
| | | // Check for problem with IE innerHTML not working when we have a |
| | | // P (or similar) parent node. |
| | | try { stringWidth("x"); } |
| | | catch (e) { |
| | | if (e.message.match(/runtime/i)) |
| | | e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)"); |
| | | throw e; |
| | | } |
| | | |
| | | // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval. |
| | | var poll = new Delayed(), highlight = new Delayed(), blinker; |
| | | |
| | | // mode holds a mode API object. doc is the tree of Line objects, |
| | | // work an array of lines that should be parsed, and history the |
| | | // undo history (instance of History constructor). |
| | | var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), work, focused; |
| | | loadMode(); |
| | | // The selection. These are always maintained to point at valid |
| | | // positions. Inverted is used to remember that the user is |
| | | // selecting bottom-to-top. |
| | | var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false}; |
| | | // Selection-related flags. shiftSelecting obviously tracks |
| | | // whether the user is holding shift. |
| | | var shiftSelecting, lastClick, lastDoubleClick, draggingText, overwrite = false; |
| | | // Variables used by startOperation/endOperation to track what |
| | | // happened during the operation. |
| | | var updateInput, userSelChange, changes, textChanged, selectionChanged, leaveInputAlone, |
| | | gutterDirty, callbacks; |
| | | // Current visible range (may be bigger than the view window). |
| | | var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0; |
| | | // bracketHighlighted is used to remember that a backet has been |
| | | // marked. |
| | | var bracketHighlighted; |
| | | // Tracks the maximum line length so that the horizontal scrollbar |
| | | // can be kept static when scrolling. |
| | | var maxLine = "", maxWidth, tabText = computeTabText(); |
| | | |
| | | // Initialize the content. |
| | | operation(function(){setValue(options.value || ""); updateInput = false;})(); |
| | | var history = new History(); |
| | | |
| | | // Register our event handlers. |
| | | connect(scroller, "mousedown", operation(onMouseDown)); |
| | | connect(scroller, "dblclick", operation(onDoubleClick)); |
| | | connect(lineSpace, "dragstart", onDragStart); |
| | | connect(lineSpace, "selectstart", e_preventDefault); |
| | | // Gecko browsers fire contextmenu *after* opening the menu, at |
| | | // which point we can't mess with it anymore. Context menu is |
| | | // handled in onMouseDown for Gecko. |
| | | if (!gecko) connect(scroller, "contextmenu", onContextMenu); |
| | | connect(scroller, "scroll", function() { |
| | | updateDisplay([]); |
| | | if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px"; |
| | | if (options.onScroll) options.onScroll(instance); |
| | | }); |
| | | connect(window, "resize", function() {updateDisplay(true);}); |
| | | connect(input, "keyup", operation(onKeyUp)); |
| | | connect(input, "input", fastPoll); |
| | | connect(input, "keydown", operation(onKeyDown)); |
| | | connect(input, "keypress", operation(onKeyPress)); |
| | | connect(input, "focus", onFocus); |
| | | connect(input, "blur", onBlur); |
| | | |
| | | connect(scroller, "dragenter", e_stop); |
| | | connect(scroller, "dragover", e_stop); |
| | | connect(scroller, "drop", operation(onDrop)); |
| | | connect(scroller, "paste", function(){focusInput(); fastPoll();}); |
| | | connect(input, "paste", fastPoll); |
| | | connect(input, "cut", operation(function(){replaceSelection("");})); |
| | | |
| | | // IE throws unspecified error in certain cases, when |
| | | // trying to access activeElement before onload |
| | | var hasFocus; try { hasFocus = (targetDocument.activeElement == input); } catch(e) { } |
| | | if (hasFocus) setTimeout(onFocus, 20); |
| | | else onBlur(); |
| | | |
| | | function isLine(l) {return l >= 0 && l < doc.size;} |
| | | // The instance object that we'll return. Mostly calls out to |
| | | // local functions in the CodeMirror function. Some do some extra |
| | | // range checking and/or clipping. operation is used to wrap the |
| | | // call so that changes it makes are tracked, and the display is |
| | | // updated afterwards. |
| | | var instance = wrapper.CodeMirror = { |
| | | getValue: getValue, |
| | | setValue: operation(setValue), |
| | | getSelection: getSelection, |
| | | replaceSelection: operation(replaceSelection), |
| | | focus: function(){focusInput(); onFocus(); fastPoll();}, |
| | | setOption: function(option, value) { |
| | | var oldVal = options[option]; |
| | | options[option] = value; |
| | | if (option == "mode" || option == "indentUnit") loadMode(); |
| | | else if (option == "readOnly" && value) {onBlur(); input.blur();} |
| | | else if (option == "theme") themeChanged(); |
| | | else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)(); |
| | | else if (option == "tabSize") operation(tabsChanged)(); |
| | | if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || option == "theme") |
| | | operation(gutterChanged)(); |
| | | }, |
| | | getOption: function(option) {return options[option];}, |
| | | undo: operation(undo), |
| | | redo: operation(redo), |
| | | indentLine: operation(function(n, dir) { |
| | | if (isLine(n)) indentLine(n, dir == null ? "smart" : dir ? "add" : "subtract"); |
| | | }), |
| | | indentSelection: operation(indentSelected), |
| | | historySize: function() {return {undo: history.done.length, redo: history.undone.length};}, |
| | | clearHistory: function() {history = new History();}, |
| | | matchBrackets: operation(function(){matchBrackets(true);}), |
| | | getTokenAt: operation(function(pos) { |
| | | pos = clipPos(pos); |
| | | return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), pos.ch); |
| | | }), |
| | | getStateAfter: function(line) { |
| | | line = clipLine(line == null ? doc.size - 1: line); |
| | | return getStateBefore(line + 1); |
| | | }, |
| | | cursorCoords: function(start){ |
| | | if (start == null) start = sel.inverted; |
| | | return pageCoords(start ? sel.from : sel.to); |
| | | }, |
| | | charCoords: function(pos){return pageCoords(clipPos(pos));}, |
| | | coordsChar: function(coords) { |
| | | var off = eltOffset(lineSpace); |
| | | return coordsChar(coords.x - off.left, coords.y - off.top); |
| | | }, |
| | | markText: operation(markText), |
| | | setBookmark: setBookmark, |
| | | setMarker: operation(addGutterMarker), |
| | | clearMarker: operation(removeGutterMarker), |
| | | setLineClass: operation(setLineClass), |
| | | hideLine: operation(function(h) {return setLineHidden(h, true);}), |
| | | showLine: operation(function(h) {return setLineHidden(h, false);}), |
| | | onDeleteLine: function(line, f) { |
| | | if (typeof line == "number") { |
| | | if (!isLine(line)) return null; |
| | | line = getLine(line); |
| | | } |
| | | (line.handlers || (line.handlers = [])).push(f); |
| | | return line; |
| | | }, |
| | | lineInfo: lineInfo, |
| | | addWidget: function(pos, node, scroll, vert, horiz) { |
| | | pos = localCoords(clipPos(pos)); |
| | | var top = pos.yBot, left = pos.x; |
| | | node.style.position = "absolute"; |
| | | code.appendChild(node); |
| | | if (vert == "over") top = pos.y; |
| | | else if (vert == "near") { |
| | | var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()), |
| | | hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft(); |
| | | if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight) |
| | | top = pos.y - node.offsetHeight; |
| | | if (left + node.offsetWidth > hspace) |
| | | left = hspace - node.offsetWidth; |
| | | } |
| | | node.style.top = (top + paddingTop()) + "px"; |
| | | node.style.left = node.style.right = ""; |
| | | if (horiz == "right") { |
| | | left = code.clientWidth - node.offsetWidth; |
| | | node.style.right = "0px"; |
| | | } else { |
| | | if (horiz == "left") left = 0; |
| | | else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2; |
| | | node.style.left = (left + paddingLeft()) + "px"; |
| | | } |
| | | if (scroll) |
| | | scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight); |
| | | }, |
| | | |
| | | lineCount: function() {return doc.size;}, |
| | | clipPos: clipPos, |
| | | getCursor: function(start) { |
| | | if (start == null) start = sel.inverted; |
| | | return copyPos(start ? sel.from : sel.to); |
| | | }, |
| | | somethingSelected: function() {return !posEq(sel.from, sel.to);}, |
| | | setCursor: operation(function(line, ch, user) { |
| | | if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch, user); |
| | | else setCursor(line, ch, user); |
| | | }), |
| | | setSelection: operation(function(from, to, user) { |
| | | (user ? setSelectionUser : setSelection)(clipPos(from), clipPos(to || from)); |
| | | }), |
| | | getLine: function(line) {if (isLine(line)) return getLine(line).text;}, |
| | | getLineHandle: function(line) {if (isLine(line)) return getLine(line);}, |
| | | setLine: operation(function(line, text) { |
| | | if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length}); |
| | | }), |
| | | removeLine: operation(function(line) { |
| | | if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0})); |
| | | }), |
| | | replaceRange: operation(replaceRange), |
| | | getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));}, |
| | | |
| | | execCommand: function(cmd) {return commands[cmd](instance);}, |
| | | // Stuff used by commands, probably not much use to outside code. |
| | | moveH: operation(moveH), |
| | | deleteH: operation(deleteH), |
| | | moveV: operation(moveV), |
| | | toggleOverwrite: function() {overwrite = !overwrite;}, |
| | | |
| | | posFromIndex: function(off) { |
| | | var lineNo = 0, ch; |
| | | doc.iter(0, doc.size, function(line) { |
| | | var sz = line.text.length + 1; |
| | | if (sz > off) { ch = off; return true; } |
| | | off -= sz; |
| | | ++lineNo; |
| | | }); |
| | | return clipPos({line: lineNo, ch: ch}); |
| | | }, |
| | | indexFromPos: function (coords) { |
| | | if (coords.line < 0 || coords.ch < 0) return 0; |
| | | var index = coords.ch; |
| | | doc.iter(0, coords.line, function (line) { |
| | | index += line.text.length + 1; |
| | | }); |
| | | return index; |
| | | }, |
| | | |
| | | operation: function(f){return operation(f)();}, |
| | | refresh: function(){updateDisplay(true);}, |
| | | getInputField: function(){return input;}, |
| | | getWrapperElement: function(){return wrapper;}, |
| | | getScrollerElement: function(){return scroller;}, |
| | | getGutterElement: function(){return gutter;} |
| | | }; |
| | | |
| | | function getLine(n) { return getLineAt(doc, n); } |
| | | function updateLineHeight(line, height) { |
| | | gutterDirty = true; |
| | | var diff = height - line.height; |
| | | for (var n = line; n; n = n.parent) n.height += diff; |
| | | } |
| | | |
| | | function setValue(code) { |
| | | var top = {line: 0, ch: 0}; |
| | | updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length}, |
| | | splitLines(code), top, top); |
| | | updateInput = true; |
| | | } |
| | | function getValue(code) { |
| | | var text = []; |
| | | doc.iter(0, doc.size, function(line) { text.push(line.text); }); |
| | | return text.join("\n"); |
| | | } |
| | | |
| | | function onMouseDown(e) { |
| | | setShift(e.shiftKey); |
| | | // Check whether this is a click in a widget |
| | | for (var n = e_target(e); n != wrapper; n = n.parentNode) |
| | | if (n.parentNode == code && n != mover) return; |
| | | |
| | | // See if this is a click in the gutter |
| | | for (var n = e_target(e); n != wrapper; n = n.parentNode) |
| | | if (n.parentNode == gutterText) { |
| | | if (options.onGutterClick) |
| | | options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e); |
| | | return e_preventDefault(e); |
| | | } |
| | | |
| | | var start = posFromMouse(e); |
| | | |
| | | switch (e_button(e)) { |
| | | case 3: |
| | | if (gecko && !mac) onContextMenu(e); |
| | | return; |
| | | case 2: |
| | | if (start) setCursor(start.line, start.ch, true); |
| | | return; |
| | | } |
| | | // For button 1, if it was clicked inside the editor |
| | | // (posFromMouse returning non-null), we have to adjust the |
| | | // selection. |
| | | if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;} |
| | | |
| | | if (!focused) onFocus(); |
| | | |
| | | var now = +new Date; |
| | | if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) { |
| | | e_preventDefault(e); |
| | | setTimeout(focusInput, 20); |
| | | return selectLine(start.line); |
| | | } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) { |
| | | lastDoubleClick = {time: now, pos: start}; |
| | | e_preventDefault(e); |
| | | return selectWordAt(start); |
| | | } else { lastClick = {time: now, pos: start}; } |
| | | |
| | | var last = start, going; |
| | | if (dragAndDrop && !posEq(sel.from, sel.to) && |
| | | !posLess(start, sel.from) && !posLess(sel.to, start)) { |
| | | // Let the drag handler handle this. |
| | | if (webkit) lineSpace.draggable = true; |
| | | var up = connect(targetDocument, "mouseup", operation(function(e2) { |
| | | if (webkit) lineSpace.draggable = false; |
| | | draggingText = false; |
| | | up(); |
| | | if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { |
| | | e_preventDefault(e2); |
| | | setCursor(start.line, start.ch, true); |
| | | focusInput(); |
| | | } |
| | | }), true); |
| | | draggingText = true; |
| | | return; |
| | | } |
| | | e_preventDefault(e); |
| | | setCursor(start.line, start.ch, true); |
| | | |
| | | function extend(e) { |
| | | var cur = posFromMouse(e, true); |
| | | if (cur && !posEq(cur, last)) { |
| | | if (!focused) onFocus(); |
| | | last = cur; |
| | | setSelectionUser(start, cur); |
| | | updateInput = false; |
| | | var visible = visibleLines(); |
| | | if (cur.line >= visible.to || cur.line < visible.from) |
| | | going = setTimeout(operation(function(){extend(e);}), 150); |
| | | } |
| | | } |
| | | |
| | | var move = connect(targetDocument, "mousemove", operation(function(e) { |
| | | clearTimeout(going); |
| | | e_preventDefault(e); |
| | | extend(e); |
| | | }), true); |
| | | var up = connect(targetDocument, "mouseup", operation(function(e) { |
| | | clearTimeout(going); |
| | | var cur = posFromMouse(e); |
| | | if (cur) setSelectionUser(start, cur); |
| | | e_preventDefault(e); |
| | | focusInput(); |
| | | updateInput = true; |
| | | move(); up(); |
| | | }), true); |
| | | } |
| | | function onDoubleClick(e) { |
| | | for (var n = e_target(e); n != wrapper; n = n.parentNode) |
| | | if (n.parentNode == gutterText) return e_preventDefault(e); |
| | | var start = posFromMouse(e); |
| | | if (!start) return; |
| | | lastDoubleClick = {time: +new Date, pos: start}; |
| | | e_preventDefault(e); |
| | | selectWordAt(start); |
| | | } |
| | | function onDrop(e) { |
| | | e.preventDefault(); |
| | | var pos = posFromMouse(e, true), files = e.dataTransfer.files; |
| | | if (!pos || options.readOnly) return; |
| | | if (files && files.length && window.FileReader && window.File) { |
| | | function loadFile(file, i) { |
| | | var reader = new FileReader; |
| | | reader.onload = function() { |
| | | text[i] = reader.result; |
| | | if (++read == n) { |
| | | pos = clipPos(pos); |
| | | operation(function() { |
| | | var end = replaceRange(text.join(""), pos, pos); |
| | | setSelectionUser(pos, end); |
| | | })(); |
| | | } |
| | | }; |
| | | reader.readAsText(file); |
| | | } |
| | | var n = files.length, text = Array(n), read = 0; |
| | | for (var i = 0; i < n; ++i) loadFile(files[i], i); |
| | | } |
| | | else { |
| | | try { |
| | | var text = e.dataTransfer.getData("Text"); |
| | | if (text) { |
| | | var end = replaceRange(text, pos, pos); |
| | | var curFrom = sel.from, curTo = sel.to; |
| | | setSelectionUser(pos, end); |
| | | if (draggingText) replaceRange("", curFrom, curTo); |
| | | focusInput(); |
| | | } |
| | | } |
| | | catch(e){} |
| | | } |
| | | } |
| | | function onDragStart(e) { |
| | | var txt = getSelection(); |
| | | // This will reset escapeElement |
| | | htmlEscape(txt); |
| | | e.dataTransfer.setDragImage(escapeElement, 0, 0); |
| | | e.dataTransfer.setData("Text", txt); |
| | | } |
| | | function handleKeyBinding(e) { |
| | | var name = keyNames[e.keyCode], next = keyMap[options.keyMap].auto, bound, dropShift; |
| | | if (name == null || e.altGraphKey) { |
| | | if (next) options.keyMap = next; |
| | | return null; |
| | | } |
| | | if (e.altKey) name = "Alt-" + name; |
| | | if (e.ctrlKey) name = "Ctrl-" + name; |
| | | if (e.metaKey) name = "Cmd-" + name; |
| | | if (e.shiftKey && (bound = lookupKey("Shift-" + name, options.extraKeys, options.keyMap))) { |
| | | dropShift = true; |
| | | } else { |
| | | bound = lookupKey(name, options.extraKeys, options.keyMap); |
| | | } |
| | | if (typeof bound == "string") { |
| | | if (commands.propertyIsEnumerable(bound)) bound = commands[bound]; |
| | | else bound = null; |
| | | } |
| | | if (next && (bound || !isModifierKey(e))) options.keyMap = next; |
| | | if (!bound) return false; |
| | | if (dropShift) { |
| | | var prevShift = shiftSelecting; |
| | | shiftSelecting = null; |
| | | bound(instance); |
| | | shiftSelecting = prevShift; |
| | | } else bound(instance); |
| | | e_preventDefault(e); |
| | | return true; |
| | | } |
| | | var lastStoppedKey = null; |
| | | function onKeyDown(e) { |
| | | if (!focused) onFocus(); |
| | | var code = e.keyCode; |
| | | // IE does strange things with escape. |
| | | if (ie && code == 27) { e.returnValue = false; } |
| | | setShift(code == 16 || e.shiftKey); |
| | | // First give onKeyEvent option a chance to handle this. |
| | | if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; |
| | | var handled = handleKeyBinding(e); |
| | | if (window.opera) { |
| | | lastStoppedKey = handled ? e.keyCode : null; |
| | | // Opera has no cut event... we try to at least catch the key combo |
| | | if (!handled && (mac ? e.metaKey : e.ctrlKey) && e.keyCode == 88) |
| | | replaceSelection(""); |
| | | } |
| | | } |
| | | function onKeyPress(e) { |
| | | if (window.opera && e.keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} |
| | | if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; |
| | | if (window.opera && !e.which && handleKeyBinding(e)) return; |
| | | if (options.electricChars && mode.electricChars) { |
| | | var ch = String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode); |
| | | if (mode.electricChars.indexOf(ch) > -1) |
| | | setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 75); |
| | | } |
| | | fastPoll(); |
| | | } |
| | | function onKeyUp(e) { |
| | | if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; |
| | | if (e.keyCode == 16) shiftSelecting = null; |
| | | } |
| | | |
| | | function onFocus() { |
| | | if (options.readOnly) return; |
| | | if (!focused) { |
| | | if (options.onFocus) options.onFocus(instance); |
| | | focused = true; |
| | | if (wrapper.className.search(/\bCodeMirror-focused\b/) == -1) |
| | | wrapper.className += " CodeMirror-focused"; |
| | | if (!leaveInputAlone) resetInput(true); |
| | | } |
| | | slowPoll(); |
| | | restartBlink(); |
| | | } |
| | | function onBlur() { |
| | | if (focused) { |
| | | if (options.onBlur) options.onBlur(instance); |
| | | focused = false; |
| | | wrapper.className = wrapper.className.replace(" CodeMirror-focused", ""); |
| | | } |
| | | clearInterval(blinker); |
| | | setTimeout(function() {if (!focused) shiftSelecting = null;}, 150); |
| | | } |
| | | |
| | | // Replace the range from from to to by the strings in newText. |
| | | // Afterwards, set the selection to selFrom, selTo. |
| | | function updateLines(from, to, newText, selFrom, selTo) { |
| | | if (history) { |
| | | var old = []; |
| | | doc.iter(from.line, to.line + 1, function(line) { old.push(line.text); }); |
| | | history.addChange(from.line, newText.length, old); |
| | | while (history.done.length > options.undoDepth) history.done.shift(); |
| | | } |
| | | updateLinesNoUndo(from, to, newText, selFrom, selTo); |
| | | } |
| | | function unredoHelper(from, to) { |
| | | var change = from.pop(); |
| | | if (change) { |
| | | var replaced = [], end = change.start + change.added; |
| | | doc.iter(change.start, end, function(line) { replaced.push(line.text); }); |
| | | to.push({start: change.start, added: change.old.length, old: replaced}); |
| | | var pos = clipPos({line: change.start + change.old.length - 1, |
| | | ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])}); |
| | | updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, change.old, pos, pos); |
| | | updateInput = true; |
| | | } |
| | | } |
| | | function undo() {unredoHelper(history.done, history.undone);} |
| | | function redo() {unredoHelper(history.undone, history.done);} |
| | | |
| | | function updateLinesNoUndo(from, to, newText, selFrom, selTo) { |
| | | var recomputeMaxLength = false, maxLineLength = maxLine.length; |
| | | if (!options.lineWrapping) |
| | | doc.iter(from.line, to.line, function(line) { |
| | | if (line.text.length == maxLineLength) {recomputeMaxLength = true; return true;} |
| | | }); |
| | | if (from.line != to.line || newText.length > 1) gutterDirty = true; |
| | | |
| | | var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line); |
| | | // First adjust the line structure, taking some care to leave highlighting intact. |
| | | if (from.ch == 0 && to.ch == 0 && newText[newText.length - 1] == "") { |
| | | // This is a whole-line replace. Treated specially to make |
| | | // sure line objects move the way they are supposed to. |
| | | var added = [], prevLine = null; |
| | | if (from.line) { |
| | | prevLine = getLine(from.line - 1); |
| | | prevLine.fixMarkEnds(lastLine); |
| | | } else lastLine.fixMarkStarts(); |
| | | for (var i = 0, e = newText.length - 1; i < e; ++i) |
| | | added.push(Line.inheritMarks(newText[i], prevLine)); |
| | | if (nlines) doc.remove(from.line, nlines, callbacks); |
| | | if (added.length) doc.insert(from.line, added); |
| | | } else if (firstLine == lastLine) { |
| | | if (newText.length == 1) |
| | | firstLine.replace(from.ch, to.ch, newText[0]); |
| | | else { |
| | | lastLine = firstLine.split(to.ch, newText[newText.length-1]); |
| | | firstLine.replace(from.ch, null, newText[0]); |
| | | firstLine.fixMarkEnds(lastLine); |
| | | var added = []; |
| | | for (var i = 1, e = newText.length - 1; i < e; ++i) |
| | | added.push(Line.inheritMarks(newText[i], firstLine)); |
| | | added.push(lastLine); |
| | | doc.insert(from.line + 1, added); |
| | | } |
| | | } else if (newText.length == 1) { |
| | | firstLine.replace(from.ch, null, newText[0]); |
| | | lastLine.replace(null, to.ch, ""); |
| | | firstLine.append(lastLine); |
| | | doc.remove(from.line + 1, nlines, callbacks); |
| | | } else { |
| | | var added = []; |
| | | firstLine.replace(from.ch, null, newText[0]); |
| | | lastLine.replace(null, to.ch, newText[newText.length-1]); |
| | | firstLine.fixMarkEnds(lastLine); |
| | | for (var i = 1, e = newText.length - 1; i < e; ++i) |
| | | added.push(Line.inheritMarks(newText[i], firstLine)); |
| | | if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks); |
| | | doc.insert(from.line + 1, added); |
| | | } |
| | | if (options.lineWrapping) { |
| | | var perLine = scroller.clientWidth / charWidth() - 3; |
| | | doc.iter(from.line, from.line + newText.length, function(line) { |
| | | if (line.hidden) return; |
| | | var guess = Math.ceil(line.text.length / perLine) || 1; |
| | | if (guess != line.height) updateLineHeight(line, guess); |
| | | }); |
| | | } else { |
| | | doc.iter(from.line, i + newText.length, function(line) { |
| | | var l = line.text; |
| | | if (l.length > maxLineLength) { |
| | | maxLine = l; maxLineLength = l.length; maxWidth = null; |
| | | recomputeMaxLength = false; |
| | | } |
| | | }); |
| | | if (recomputeMaxLength) { |
| | | maxLineLength = 0; maxLine = ""; maxWidth = null; |
| | | doc.iter(0, doc.size, function(line) { |
| | | var l = line.text; |
| | | if (l.length > maxLineLength) { |
| | | maxLineLength = l.length; maxLine = l; |
| | | } |
| | | }); |
| | | } |
| | | } |
| | | |
| | | // Add these lines to the work array, so that they will be |
| | | // highlighted. Adjust work lines if lines were added/removed. |
| | | var newWork = [], lendiff = newText.length - nlines - 1; |
| | | for (var i = 0, l = work.length; i < l; ++i) { |
| | | var task = work[i]; |
| | | if (task < from.line) newWork.push(task); |
| | | else if (task > to.line) newWork.push(task + lendiff); |
| | | } |
| | | var hlEnd = from.line + Math.min(newText.length, 500); |
| | | highlightLines(from.line, hlEnd); |
| | | newWork.push(hlEnd); |
| | | work = newWork; |
| | | startWorker(100); |
| | | // Remember that these lines changed, for updating the display |
| | | changes.push({from: from.line, to: to.line + 1, diff: lendiff}); |
| | | var changeObj = {from: from, to: to, text: newText}; |
| | | if (textChanged) { |
| | | for (var cur = textChanged; cur.next; cur = cur.next) {} |
| | | cur.next = changeObj; |
| | | } else textChanged = changeObj; |
| | | |
| | | // Update the selection |
| | | function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;} |
| | | setSelection(selFrom, selTo, updateLine(sel.from.line), updateLine(sel.to.line)); |
| | | |
| | | // Make sure the scroll-size div has the correct height. |
| | | code.style.height = (doc.height * textHeight() + 2 * paddingTop()) + "px"; |
| | | } |
| | | |
| | | function replaceRange(code, from, to) { |
| | | from = clipPos(from); |
| | | if (!to) to = from; else to = clipPos(to); |
| | | code = splitLines(code); |
| | | function adjustPos(pos) { |
| | | if (posLess(pos, from)) return pos; |
| | | if (!posLess(to, pos)) return end; |
| | | var line = pos.line + code.length - (to.line - from.line) - 1; |
| | | var ch = pos.ch; |
| | | if (pos.line == to.line) |
| | | ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0)); |
| | | return {line: line, ch: ch}; |
| | | } |
| | | var end; |
| | | replaceRange1(code, from, to, function(end1) { |
| | | end = end1; |
| | | return {from: adjustPos(sel.from), to: adjustPos(sel.to)}; |
| | | }); |
| | | return end; |
| | | } |
| | | function replaceSelection(code, collapse) { |
| | | replaceRange1(splitLines(code), sel.from, sel.to, function(end) { |
| | | if (collapse == "end") return {from: end, to: end}; |
| | | else if (collapse == "start") return {from: sel.from, to: sel.from}; |
| | | else return {from: sel.from, to: end}; |
| | | }); |
| | | } |
| | | function replaceRange1(code, from, to, computeSel) { |
| | | var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length; |
| | | var newSel = computeSel({line: from.line + code.length - 1, ch: endch}); |
| | | updateLines(from, to, code, newSel.from, newSel.to); |
| | | } |
| | | |
| | | function getRange(from, to) { |
| | | var l1 = from.line, l2 = to.line; |
| | | if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch); |
| | | var code = [getLine(l1).text.slice(from.ch)]; |
| | | doc.iter(l1 + 1, l2, function(line) { code.push(line.text); }); |
| | | code.push(getLine(l2).text.slice(0, to.ch)); |
| | | return code.join("\n"); |
| | | } |
| | | function getSelection() { |
| | | return getRange(sel.from, sel.to); |
| | | } |
| | | |
| | | var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll |
| | | function slowPoll() { |
| | | if (pollingFast) return; |
| | | poll.set(options.pollInterval, function() { |
| | | startOperation(); |
| | | readInput(); |
| | | if (focused) slowPoll(); |
| | | endOperation(); |
| | | }); |
| | | } |
| | | function fastPoll() { |
| | | var missed = false; |
| | | pollingFast = true; |
| | | function p() { |
| | | startOperation(); |
| | | var changed = readInput(); |
| | | if (!changed && !missed) {missed = true; poll.set(60, p);} |
| | | else {pollingFast = false; slowPoll();} |
| | | endOperation(); |
| | | } |
| | | poll.set(20, p); |
| | | } |
| | | |
| | | // Previnput is a hack to work with IME. If we reset the textarea |
| | | // on every change, that breaks IME. So we look for changes |
| | | // compared to the previous content instead. (Modern browsers have |
| | | // events that indicate IME taking place, but these are not widely |
| | | // supported or compatible enough yet to rely on.) |
| | | var prevInput = ""; |
| | | function readInput() { |
| | | if (leaveInputAlone || !focused || hasSelection(input)) return false; |
| | | var text = input.value; |
| | | if (text == prevInput) return false; |
| | | shiftSelecting = null; |
| | | var same = 0, l = Math.min(prevInput.length, text.length); |
| | | while (same < l && prevInput[same] == text[same]) ++same; |
| | | if (same < prevInput.length) |
| | | sel.from = {line: sel.from.line, ch: sel.from.ch - (prevInput.length - same)}; |
| | | else if (overwrite && posEq(sel.from, sel.to)) |
| | | sel.to = {line: sel.to.line, ch: Math.min(getLine(sel.to.line).text.length, sel.to.ch + (text.length - same))}; |
| | | replaceSelection(text.slice(same), "end"); |
| | | prevInput = text; |
| | | return true; |
| | | } |
| | | function resetInput(user) { |
| | | if (!posEq(sel.from, sel.to)) { |
| | | prevInput = ""; |
| | | input.value = getSelection(); |
| | | input.select(); |
| | | } else if (user) prevInput = input.value = ""; |
| | | } |
| | | |
| | | function focusInput() { |
| | | if (!options.readOnly) input.focus(); |
| | | } |
| | | |
| | | function scrollEditorIntoView() { |
| | | if (!cursor.getBoundingClientRect) return; |
| | | var rect = cursor.getBoundingClientRect(); |
| | | // IE returns bogus coordinates when the instance sits inside of an iframe and the cursor is hidden |
| | | if (ie && rect.top == rect.bottom) return; |
| | | var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight); |
| | | if (rect.top < 0 || rect.bottom > winH) cursor.scrollIntoView(); |
| | | } |
| | | function scrollCursorIntoView() { |
| | | var cursor = localCoords(sel.inverted ? sel.from : sel.to); |
| | | var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x; |
| | | return scrollIntoView(x, cursor.y, x, cursor.yBot); |
| | | } |
| | | function scrollIntoView(x1, y1, x2, y2) { |
| | | var pl = paddingLeft(), pt = paddingTop(), lh = textHeight(); |
| | | y1 += pt; y2 += pt; x1 += pl; x2 += pl; |
| | | var screen = scroller.clientHeight, screentop = scroller.scrollTop, scrolled = false, result = true; |
| | | if (y1 < screentop) {scroller.scrollTop = Math.max(0, y1 - 2*lh); scrolled = true;} |
| | | else if (y2 > screentop + screen) {scroller.scrollTop = y2 + lh - screen; scrolled = true;} |
| | | |
| | | var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft; |
| | | var gutterw = options.fixedGutter ? gutter.clientWidth : 0; |
| | | if (x1 < screenleft + gutterw) { |
| | | if (x1 < 50) x1 = 0; |
| | | scroller.scrollLeft = Math.max(0, x1 - 10 - gutterw); |
| | | scrolled = true; |
| | | } |
| | | else if (x2 > screenw + screenleft - 3) { |
| | | scroller.scrollLeft = x2 + 10 - screenw; |
| | | scrolled = true; |
| | | if (x2 > code.clientWidth) result = false; |
| | | } |
| | | if (scrolled && options.onScroll) options.onScroll(instance); |
| | | return result; |
| | | } |
| | | |
| | | function visibleLines() { |
| | | var lh = textHeight(), top = scroller.scrollTop - paddingTop(); |
| | | var from_height = Math.max(0, Math.floor(top / lh)); |
| | | var to_height = Math.ceil((top + scroller.clientHeight) / lh); |
| | | return {from: lineAtHeight(doc, from_height), |
| | | to: lineAtHeight(doc, to_height)}; |
| | | } |
| | | // Uses a set of changes plus the current scroll position to |
| | | // determine which DOM updates have to be made, and makes the |
| | | // updates. |
| | | function updateDisplay(changes, suppressCallback) { |
| | | if (!scroller.clientWidth) { |
| | | showingFrom = showingTo = displayOffset = 0; |
| | | return; |
| | | } |
| | | // Compute the new visible window |
| | | var visible = visibleLines(); |
| | | // Bail out if the visible area is already rendered and nothing changed. |
| | | if (changes !== true && changes.length == 0 && visible.from >= showingFrom && visible.to <= showingTo) return; |
| | | var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100); |
| | | if (showingFrom < from && from - showingFrom < 20) from = showingFrom; |
| | | if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo); |
| | | |
| | | // Create a range of theoretically intact lines, and punch holes |
| | | // in that using the change info. |
| | | var intact = changes === true ? [] : |
| | | computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes); |
| | | // Clip off the parts that won't be visible |
| | | var intactLines = 0; |
| | | for (var i = 0; i < intact.length; ++i) { |
| | | var range = intact[i]; |
| | | if (range.from < from) {range.domStart += (from - range.from); range.from = from;} |
| | | if (range.to > to) range.to = to; |
| | | if (range.from >= range.to) intact.splice(i--, 1); |
| | | else intactLines += range.to - range.from; |
| | | } |
| | | if (intactLines == to - from) return; |
| | | intact.sort(function(a, b) {return a.domStart - b.domStart;}); |
| | | |
| | | var th = textHeight(), gutterDisplay = gutter.style.display; |
| | | lineDiv.style.display = gutter.style.display = "none"; |
| | | patchDisplay(from, to, intact); |
| | | lineDiv.style.display = ""; |
| | | |
| | | // Position the mover div to align with the lines it's supposed |
| | | // to be showing (which will cover the visible display) |
| | | var different = from != showingFrom || to != showingTo || lastSizeC != scroller.clientHeight + th; |
| | | // This is just a bogus formula that detects when the editor is |
| | | // resized or the font size changes. |
| | | if (different) lastSizeC = scroller.clientHeight + th; |
| | | showingFrom = from; showingTo = to; |
| | | displayOffset = heightAtLine(doc, from); |
| | | mover.style.top = (displayOffset * th) + "px"; |
| | | code.style.height = (doc.height * th + 2 * paddingTop()) + "px"; |
| | | |
| | | // Since this is all rather error prone, it is honoured with the |
| | | // only assertion in the whole file. |
| | | if (lineDiv.childNodes.length != showingTo - showingFrom) |
| | | throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) + |
| | | " nodes=" + lineDiv.childNodes.length); |
| | | |
| | | if (options.lineWrapping) { |
| | | maxWidth = scroller.clientWidth; |
| | | var curNode = lineDiv.firstChild; |
| | | doc.iter(showingFrom, showingTo, function(line) { |
| | | if (!line.hidden) { |
| | | var height = Math.round(curNode.offsetHeight / th) || 1; |
| | | if (line.height != height) {updateLineHeight(line, height); gutterDirty = true;} |
| | | } |
| | | curNode = curNode.nextSibling; |
| | | }); |
| | | } else { |
| | | if (maxWidth == null) maxWidth = stringWidth(maxLine); |
| | | if (maxWidth > scroller.clientWidth) { |
| | | lineSpace.style.width = maxWidth + "px"; |
| | | // Needed to prevent odd wrapping/hiding of widgets placed in here. |
| | | code.style.width = ""; |
| | | code.style.width = scroller.scrollWidth + "px"; |
| | | } else { |
| | | lineSpace.style.width = code.style.width = ""; |
| | | } |
| | | } |
| | | gutter.style.display = gutterDisplay; |
| | | if (different || gutterDirty) updateGutter(); |
| | | updateCursor(); |
| | | if (!suppressCallback && options.onUpdate) options.onUpdate(instance); |
| | | return true; |
| | | } |
| | | |
| | | function computeIntact(intact, changes) { |
| | | for (var i = 0, l = changes.length || 0; i < l; ++i) { |
| | | var change = changes[i], intact2 = [], diff = change.diff || 0; |
| | | for (var j = 0, l2 = intact.length; j < l2; ++j) { |
| | | var range = intact[j]; |
| | | if (change.to <= range.from && change.diff) |
| | | intact2.push({from: range.from + diff, to: range.to + diff, |
| | | domStart: range.domStart}); |
| | | else if (change.to <= range.from || change.from >= range.to) |
| | | intact2.push(range); |
| | | else { |
| | | if (change.from > range.from) |
| | | intact2.push({from: range.from, to: change.from, domStart: range.domStart}); |
| | | if (change.to < range.to) |
| | | intact2.push({from: change.to + diff, to: range.to + diff, |
| | | domStart: range.domStart + (change.to - range.from)}); |
| | | } |
| | | } |
| | | intact = intact2; |
| | | } |
| | | return intact; |
| | | } |
| | | |
| | | function patchDisplay(from, to, intact) { |
| | | // The first pass removes the DOM nodes that aren't intact. |
| | | if (!intact.length) lineDiv.innerHTML = ""; |
| | | else { |
| | | function killNode(node) { |
| | | var tmp = node.nextSibling; |
| | | node.parentNode.removeChild(node); |
| | | return tmp; |
| | | } |
| | | var domPos = 0, curNode = lineDiv.firstChild, n; |
| | | for (var i = 0; i < intact.length; ++i) { |
| | | var cur = intact[i]; |
| | | while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;} |
| | | for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;} |
| | | } |
| | | while (curNode) curNode = killNode(curNode); |
| | | } |
| | | // This pass fills in the lines that actually changed. |
| | | var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from; |
| | | var sfrom = sel.from.line, sto = sel.to.line, inSel = sfrom < from && sto >= from; |
| | | var scratch = targetDocument.createElement("div"), newElt; |
| | | doc.iter(from, to, function(line) { |
| | | var ch1 = null, ch2 = null; |
| | | if (inSel) { |
| | | ch1 = 0; |
| | | if (sto == j) {inSel = false; ch2 = sel.to.ch;} |
| | | } else if (sfrom == j) { |
| | | if (sto == j) {ch1 = sel.from.ch; ch2 = sel.to.ch;} |
| | | else {inSel = true; ch1 = sel.from.ch;} |
| | | } |
| | | if (nextIntact && nextIntact.to == j) nextIntact = intact.shift(); |
| | | if (!nextIntact || nextIntact.from > j) { |
| | | if (line.hidden) scratch.innerHTML = "<pre></pre>"; |
| | | else scratch.innerHTML = line.getHTML(ch1, ch2, true, tabText); |
| | | lineDiv.insertBefore(scratch.firstChild, curNode); |
| | | } else { |
| | | curNode = curNode.nextSibling; |
| | | } |
| | | ++j; |
| | | }); |
| | | } |
| | | |
| | | function updateGutter() { |
| | | if (!options.gutter && !options.lineNumbers) return; |
| | | var hText = mover.offsetHeight, hEditor = scroller.clientHeight; |
| | | gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px"; |
| | | var html = [], i = showingFrom; |
| | | doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) { |
| | | if (line.hidden) { |
| | | html.push("<pre></pre>"); |
| | | } else { |
| | | var marker = line.gutterMarker; |
| | | var text = options.lineNumbers ? i + options.firstLineNumber : null; |
| | | if (marker && marker.text) |
| | | text = marker.text.replace("%N%", text != null ? text : ""); |
| | | else if (text == null) |
| | | text = "\u00a0"; |
| | | html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text); |
| | | for (var j = 1; j < line.height; ++j) html.push("<br/> "); |
| | | html.push("</pre>"); |
| | | } |
| | | ++i; |
| | | }); |
| | | gutter.style.display = "none"; |
| | | gutterText.innerHTML = html.join(""); |
| | | var minwidth = String(doc.size).length, firstNode = gutterText.firstChild, val = eltText(firstNode), pad = ""; |
| | | while (val.length + pad.length < minwidth) pad += "\u00a0"; |
| | | if (pad) firstNode.insertBefore(targetDocument.createTextNode(pad), firstNode.firstChild); |
| | | gutter.style.display = ""; |
| | | lineSpace.style.marginLeft = gutter.offsetWidth + "px"; |
| | | gutterDirty = false; |
| | | } |
| | | function updateCursor() { |
| | | var head = sel.inverted ? sel.from : sel.to, lh = textHeight(); |
| | | var pos = localCoords(head, true); |
| | | var wrapOff = eltOffset(wrapper), lineOff = eltOffset(lineDiv); |
| | | inputDiv.style.top = (pos.y + lineOff.top - wrapOff.top) + "px"; |
| | | inputDiv.style.left = (pos.x + lineOff.left - wrapOff.left) + "px"; |
| | | if (posEq(sel.from, sel.to)) { |
| | | cursor.style.top = pos.y + "px"; |
| | | cursor.style.left = (options.lineWrapping ? Math.min(pos.x, lineSpace.offsetWidth) : pos.x) + "px"; |
| | | cursor.style.display = ""; |
| | | } |
| | | else cursor.style.display = "none"; |
| | | } |
| | | |
| | | function setShift(val) { |
| | | if (val) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from); |
| | | else shiftSelecting = null; |
| | | } |
| | | function setSelectionUser(from, to) { |
| | | var sh = shiftSelecting && clipPos(shiftSelecting); |
| | | if (sh) { |
| | | if (posLess(sh, from)) from = sh; |
| | | else if (posLess(to, sh)) to = sh; |
| | | } |
| | | setSelection(from, to); |
| | | userSelChange = true; |
| | | } |
| | | // Update the selection. Last two args are only used by |
| | | // updateLines, since they have to be expressed in the line |
| | | // numbers before the update. |
| | | function setSelection(from, to, oldFrom, oldTo) { |
| | | goalColumn = null; |
| | | if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;} |
| | | if (posEq(sel.from, from) && posEq(sel.to, to)) return; |
| | | if (posLess(to, from)) {var tmp = to; to = from; from = tmp;} |
| | | |
| | | // Skip over hidden lines. |
| | | if (from.line != oldFrom) from = skipHidden(from, oldFrom, sel.from.ch); |
| | | if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch); |
| | | |
| | | if (posEq(from, to)) sel.inverted = false; |
| | | else if (posEq(from, sel.to)) sel.inverted = false; |
| | | else if (posEq(to, sel.from)) sel.inverted = true; |
| | | |
| | | // Some ugly logic used to only mark the lines that actually did |
| | | // see a change in selection as changed, rather than the whole |
| | | // selected range. |
| | | if (posEq(from, to)) { |
| | | if (!posEq(sel.from, sel.to)) |
| | | changes.push({from: oldFrom, to: oldTo + 1}); |
| | | } |
| | | else if (posEq(sel.from, sel.to)) { |
| | | changes.push({from: from.line, to: to.line + 1}); |
| | | } |
| | | else { |
| | | if (!posEq(from, sel.from)) { |
| | | if (from.line < oldFrom) |
| | | changes.push({from: from.line, to: Math.min(to.line, oldFrom) + 1}); |
| | | else |
| | | changes.push({from: oldFrom, to: Math.min(oldTo, from.line) + 1}); |
| | | } |
| | | if (!posEq(to, sel.to)) { |
| | | if (to.line < oldTo) |
| | | changes.push({from: Math.max(oldFrom, from.line), to: oldTo + 1}); |
| | | else |
| | | changes.push({from: Math.max(from.line, oldTo), to: to.line + 1}); |
| | | } |
| | | } |
| | | sel.from = from; sel.to = to; |
| | | selectionChanged = true; |
| | | } |
| | | function skipHidden(pos, oldLine, oldCh) { |
| | | function getNonHidden(dir) { |
| | | var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1; |
| | | while (lNo != end) { |
| | | var line = getLine(lNo); |
| | | if (!line.hidden) { |
| | | var ch = pos.ch; |
| | | if (ch > oldCh || ch > line.text.length) ch = line.text.length; |
| | | return {line: lNo, ch: ch}; |
| | | } |
| | | lNo += dir; |
| | | } |
| | | } |
| | | var line = getLine(pos.line); |
| | | if (!line.hidden) return pos; |
| | | if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1); |
| | | else return getNonHidden(-1) || getNonHidden(1); |
| | | } |
| | | function setCursor(line, ch, user) { |
| | | var pos = clipPos({line: line, ch: ch || 0}); |
| | | (user ? setSelectionUser : setSelection)(pos, pos); |
| | | } |
| | | |
| | | function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));} |
| | | function clipPos(pos) { |
| | | if (pos.line < 0) return {line: 0, ch: 0}; |
| | | if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length}; |
| | | var ch = pos.ch, linelen = getLine(pos.line).text.length; |
| | | if (ch == null || ch > linelen) return {line: pos.line, ch: linelen}; |
| | | else if (ch < 0) return {line: pos.line, ch: 0}; |
| | | else return pos; |
| | | } |
| | | |
| | | function findPosH(dir, unit) { |
| | | var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch; |
| | | var lineObj = getLine(line); |
| | | function findNextLine() { |
| | | for (var l = line + dir, e = dir < 0 ? -1 : doc.size; l != e; l += dir) { |
| | | var lo = getLine(l); |
| | | if (!lo.hidden) { line = l; lineObj = lo; return true; } |
| | | } |
| | | } |
| | | function moveOnce(boundToLine) { |
| | | if (ch == (dir < 0 ? 0 : lineObj.text.length)) { |
| | | if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0; |
| | | else return false; |
| | | } else ch += dir; |
| | | return true; |
| | | } |
| | | if (unit == "char") moveOnce(); |
| | | else if (unit == "column") moveOnce(true); |
| | | else if (unit == "word") { |
| | | var sawWord = false; |
| | | for (;;) { |
| | | if (dir < 0) if (!moveOnce()) break; |
| | | if (isWordChar(lineObj.text.charAt(ch))) sawWord = true; |
| | | else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;} |
| | | if (dir > 0) if (!moveOnce()) break; |
| | | } |
| | | } |
| | | return {line: line, ch: ch}; |
| | | } |
| | | function moveH(dir, unit) { |
| | | var pos = dir < 0 ? sel.from : sel.to; |
| | | if (shiftSelecting || posEq(sel.from, sel.to)) pos = findPosH(dir, unit); |
| | | setCursor(pos.line, pos.ch, true); |
| | | } |
| | | function deleteH(dir, unit) { |
| | | if (!posEq(sel.from, sel.to)) replaceRange("", sel.from, sel.to); |
| | | else if (dir < 0) replaceRange("", findPosH(dir, unit), sel.to); |
| | | else replaceRange("", sel.from, findPosH(dir, unit)); |
| | | userSelChange = true; |
| | | } |
| | | var goalColumn = null; |
| | | function moveV(dir, unit) { |
| | | var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true); |
| | | if (goalColumn != null) pos.x = goalColumn; |
| | | if (unit == "page") dist = scroller.clientHeight; |
| | | else if (unit == "line") dist = textHeight(); |
| | | var target = coordsChar(pos.x, pos.y + dist * dir + 2); |
| | | setCursor(target.line, target.ch, true); |
| | | goalColumn = pos.x; |
| | | } |
| | | |
| | | function selectWordAt(pos) { |
| | | var line = getLine(pos.line).text; |
| | | var start = pos.ch, end = pos.ch; |
| | | while (start > 0 && isWordChar(line.charAt(start - 1))) --start; |
| | | while (end < line.length && isWordChar(line.charAt(end))) ++end; |
| | | setSelectionUser({line: pos.line, ch: start}, {line: pos.line, ch: end}); |
| | | } |
| | | function selectLine(line) { |
| | | setSelectionUser({line: line, ch: 0}, {line: line, ch: getLine(line).text.length}); |
| | | } |
| | | function indentSelected(mode) { |
| | | if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode); |
| | | var e = sel.to.line - (sel.to.ch ? 0 : 1); |
| | | for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode); |
| | | } |
| | | |
| | | function indentLine(n, how) { |
| | | if (!how) how = "add"; |
| | | if (how == "smart") { |
| | | if (!mode.indent) how = "prev"; |
| | | else var state = getStateBefore(n); |
| | | } |
| | | |
| | | var line = getLine(n), curSpace = line.indentation(options.tabSize), |
| | | curSpaceString = line.text.match(/^\s*/)[0], indentation; |
| | | if (how == "prev") { |
| | | if (n) indentation = getLine(n-1).indentation(options.tabSize); |
| | | else indentation = 0; |
| | | } |
| | | else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text); |
| | | else if (how == "add") indentation = curSpace + options.indentUnit; |
| | | else if (how == "subtract") indentation = curSpace - options.indentUnit; |
| | | indentation = Math.max(0, indentation); |
| | | var diff = indentation - curSpace; |
| | | |
| | | if (!diff) { |
| | | if (sel.from.line != n && sel.to.line != n) return; |
| | | var indentString = curSpaceString; |
| | | } |
| | | else { |
| | | var indentString = "", pos = 0; |
| | | if (options.indentWithTabs) |
| | | for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";} |
| | | while (pos < indentation) {++pos; indentString += " ";} |
| | | } |
| | | |
| | | replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); |
| | | } |
| | | |
| | | function loadMode() { |
| | | mode = CodeMirror.getMode(options, options.mode); |
| | | doc.iter(0, doc.size, function(line) { line.stateAfter = null; }); |
| | | work = [0]; |
| | | startWorker(); |
| | | } |
| | | function gutterChanged() { |
| | | var visible = options.gutter || options.lineNumbers; |
| | | gutter.style.display = visible ? "" : "none"; |
| | | if (visible) gutterDirty = true; |
| | | else lineDiv.parentNode.style.marginLeft = 0; |
| | | } |
| | | function wrappingChanged(from, to) { |
| | | if (options.lineWrapping) { |
| | | wrapper.className += " CodeMirror-wrap"; |
| | | var perLine = scroller.clientWidth / charWidth() - 3; |
| | | doc.iter(0, doc.size, function(line) { |
| | | if (line.hidden) return; |
| | | var guess = Math.ceil(line.text.length / perLine) || 1; |
| | | if (guess != 1) updateLineHeight(line, guess); |
| | | }); |
| | | lineSpace.style.width = code.style.width = ""; |
| | | } else { |
| | | wrapper.className = wrapper.className.replace(" CodeMirror-wrap", ""); |
| | | maxWidth = null; maxLine = ""; |
| | | doc.iter(0, doc.size, function(line) { |
| | | if (line.height != 1 && !line.hidden) updateLineHeight(line, 1); |
| | | if (line.text.length > maxLine.length) maxLine = line.text; |
| | | }); |
| | | } |
| | | changes.push({from: 0, to: doc.size}); |
| | | } |
| | | function computeTabText() { |
| | | for (var str = '<span class="cm-tab">', i = 0; i < options.tabSize; ++i) str += " "; |
| | | return str + "</span>"; |
| | | } |
| | | function tabsChanged() { |
| | | tabText = computeTabText(); |
| | | updateDisplay(true); |
| | | } |
| | | function themeChanged() { |
| | | scroller.className = scroller.className.replace(/\s*cm-s-\w+/g, "") + |
| | | options.theme.replace(/(^|\s)\s*/g, " cm-s-"); |
| | | } |
| | | |
| | | function TextMarker() { this.set = []; } |
| | | TextMarker.prototype.clear = operation(function() { |
| | | var min = Infinity, max = -Infinity; |
| | | for (var i = 0, e = this.set.length; i < e; ++i) { |
| | | var line = this.set[i], mk = line.marked; |
| | | if (!mk || !line.parent) continue; |
| | | var lineN = lineNo(line); |
| | | min = Math.min(min, lineN); max = Math.max(max, lineN); |
| | | for (var j = 0; j < mk.length; ++j) |
| | | if (mk[j].set == this.set) mk.splice(j--, 1); |
| | | } |
| | | if (min != Infinity) |
| | | changes.push({from: min, to: max + 1}); |
| | | }); |
| | | TextMarker.prototype.find = function() { |
| | | var from, to; |
| | | for (var i = 0, e = this.set.length; i < e; ++i) { |
| | | var line = this.set[i], mk = line.marked; |
| | | for (var j = 0; j < mk.length; ++j) { |
| | | var mark = mk[j]; |
| | | if (mark.set == this.set) { |
| | | if (mark.from != null || mark.to != null) { |
| | | var found = lineNo(line); |
| | | if (found != null) { |
| | | if (mark.from != null) from = {line: found, ch: mark.from}; |
| | | if (mark.to != null) to = {line: found, ch: mark.to}; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | return {from: from, to: to}; |
| | | }; |
| | | |
| | | function markText(from, to, className) { |
| | | from = clipPos(from); to = clipPos(to); |
| | | var tm = new TextMarker(); |
| | | function add(line, from, to, className) { |
| | | getLine(line).addMark(new MarkedText(from, to, className, tm.set)); |
| | | } |
| | | if (from.line == to.line) add(from.line, from.ch, to.ch, className); |
| | | else { |
| | | add(from.line, from.ch, null, className); |
| | | for (var i = from.line + 1, e = to.line; i < e; ++i) |
| | | add(i, null, null, className); |
| | | add(to.line, null, to.ch, className); |
| | | } |
| | | changes.push({from: from.line, to: to.line + 1}); |
| | | return tm; |
| | | } |
| | | |
| | | function setBookmark(pos) { |
| | | pos = clipPos(pos); |
| | | var bm = new Bookmark(pos.ch); |
| | | getLine(pos.line).addMark(bm); |
| | | return bm; |
| | | } |
| | | |
| | | function addGutterMarker(line, text, className) { |
| | | if (typeof line == "number") line = getLine(clipLine(line)); |
| | | line.gutterMarker = {text: text, style: className}; |
| | | gutterDirty = true; |
| | | return line; |
| | | } |
| | | function removeGutterMarker(line) { |
| | | if (typeof line == "number") line = getLine(clipLine(line)); |
| | | line.gutterMarker = null; |
| | | gutterDirty = true; |
| | | } |
| | | |
| | | function changeLine(handle, op) { |
| | | var no = handle, line = handle; |
| | | if (typeof handle == "number") line = getLine(clipLine(handle)); |
| | | else no = lineNo(handle); |
| | | if (no == null) return null; |
| | | if (op(line, no)) changes.push({from: no, to: no + 1}); |
| | | else return null; |
| | | return line; |
| | | } |
| | | function setLineClass(handle, className) { |
| | | return changeLine(handle, function(line) { |
| | | if (line.className != className) { |
| | | line.className = className; |
| | | return true; |
| | | } |
| | | }); |
| | | } |
| | | function setLineHidden(handle, hidden) { |
| | | return changeLine(handle, function(line, no) { |
| | | if (line.hidden != hidden) { |
| | | line.hidden = hidden; |
| | | updateLineHeight(line, hidden ? 0 : 1); |
| | | if (hidden && (sel.from.line == no || sel.to.line == no)) |
| | | setSelection(skipHidden(sel.from, sel.from.line, sel.from.ch), |
| | | skipHidden(sel.to, sel.to.line, sel.to.ch)); |
| | | return (gutterDirty = true); |
| | | } |
| | | }); |
| | | } |
| | | |
| | | function lineInfo(line) { |
| | | if (typeof line == "number") { |
| | | if (!isLine(line)) return null; |
| | | var n = line; |
| | | line = getLine(line); |
| | | if (!line) return null; |
| | | } |
| | | else { |
| | | var n = lineNo(line); |
| | | if (n == null) return null; |
| | | } |
| | | var marker = line.gutterMarker; |
| | | return {line: n, handle: line, text: line.text, markerText: marker && marker.text, |
| | | markerClass: marker && marker.style, lineClass: line.className}; |
| | | } |
| | | |
| | | function stringWidth(str) { |
| | | measure.innerHTML = "<pre><span>x</span></pre>"; |
| | | measure.firstChild.firstChild.firstChild.nodeValue = str; |
| | | return measure.firstChild.firstChild.offsetWidth || 10; |
| | | } |
| | | // These are used to go from pixel positions to character |
| | | // positions, taking varying character widths into account. |
| | | function charFromX(line, x) { |
| | | if (x <= 0) return 0; |
| | | var lineObj = getLine(line), text = lineObj.text; |
| | | function getX(len) { |
| | | measure.innerHTML = "<pre><span>" + lineObj.getHTML(null, null, false, tabText, len) + "</span></pre>"; |
| | | return measure.firstChild.firstChild.offsetWidth; |
| | | } |
| | | var from = 0, fromX = 0, to = text.length, toX; |
| | | // Guess a suitable upper bound for our search. |
| | | var estimated = Math.min(to, Math.ceil(x / charWidth())); |
| | | for (;;) { |
| | | var estX = getX(estimated); |
| | | if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); |
| | | else {toX = estX; to = estimated; break;} |
| | | } |
| | | if (x > toX) return to; |
| | | // Try to guess a suitable lower bound as well. |
| | | estimated = Math.floor(to * 0.8); estX = getX(estimated); |
| | | if (estX < x) {from = estimated; fromX = estX;} |
| | | // Do a binary search between these bounds. |
| | | for (;;) { |
| | | if (to - from <= 1) return (toX - x > x - fromX) ? from : to; |
| | | var middle = Math.ceil((from + to) / 2), middleX = getX(middle); |
| | | if (middleX > x) {to = middle; toX = middleX;} |
| | | else {from = middle; fromX = middleX;} |
| | | } |
| | | } |
| | | |
| | | var tempId = Math.floor(Math.random() * 0xffffff).toString(16); |
| | | function measureLine(line, ch) { |
| | | var extra = ""; |
| | | // Include extra text at the end to make sure the measured line is wrapped in the right way. |
| | | if (options.lineWrapping) { |
| | | var end = line.text.indexOf(" ", ch + 2); |
| | | extra = htmlEscape(line.text.slice(ch + 1, end < 0 ? line.text.length : end + (ie ? 5 : 0))); |
| | | } |
| | | measure.innerHTML = "<pre>" + line.getHTML(null, null, false, tabText, ch) + |
| | | '<span id="CodeMirror-temp-' + tempId + '">' + htmlEscape(line.text.charAt(ch) || " ") + "</span>" + |
| | | extra + "</pre>"; |
| | | var elt = document.getElementById("CodeMirror-temp-" + tempId); |
| | | var top = elt.offsetTop, left = elt.offsetLeft; |
| | | // Older IEs report zero offsets for spans directly after a wrap |
| | | if (ie && ch && top == 0 && left == 0) { |
| | | var backup = document.createElement("span"); |
| | | backup.innerHTML = "x"; |
| | | elt.parentNode.insertBefore(backup, elt.nextSibling); |
| | | top = backup.offsetTop; |
| | | } |
| | | return {top: top, left: left}; |
| | | } |
| | | function localCoords(pos, inLineWrap) { |
| | | var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0)); |
| | | if (pos.ch == 0) x = 0; |
| | | else { |
| | | var sp = measureLine(getLine(pos.line), pos.ch); |
| | | x = sp.left; |
| | | if (options.lineWrapping) y += Math.max(0, sp.top); |
| | | } |
| | | return {x: x, y: y, yBot: y + lh}; |
| | | } |
| | | // Coords must be lineSpace-local |
| | | function coordsChar(x, y) { |
| | | if (y < 0) y = 0; |
| | | var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th); |
| | | var lineNo = lineAtHeight(doc, heightPos); |
| | | if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length}; |
| | | var lineObj = getLine(lineNo), text = lineObj.text; |
| | | var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0; |
| | | if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0}; |
| | | function getX(len) { |
| | | var sp = measureLine(lineObj, len); |
| | | if (tw) { |
| | | var off = Math.round(sp.top / th); |
| | | return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth); |
| | | } |
| | | return sp.left; |
| | | } |
| | | var from = 0, fromX = 0, to = text.length, toX; |
| | | // Guess a suitable upper bound for our search. |
| | | var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw)); |
| | | for (;;) { |
| | | var estX = getX(estimated); |
| | | if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); |
| | | else {toX = estX; to = estimated; break;} |
| | | } |
| | | if (x > toX) return {line: lineNo, ch: to}; |
| | | // Try to guess a suitable lower bound as well. |
| | | estimated = Math.floor(to * 0.8); estX = getX(estimated); |
| | | if (estX < x) {from = estimated; fromX = estX;} |
| | | // Do a binary search between these bounds. |
| | | for (;;) { |
| | | if (to - from <= 1) return {line: lineNo, ch: (toX - x > x - fromX) ? from : to}; |
| | | var middle = Math.ceil((from + to) / 2), middleX = getX(middle); |
| | | if (middleX > x) {to = middle; toX = middleX;} |
| | | else {from = middle; fromX = middleX;} |
| | | } |
| | | } |
| | | function pageCoords(pos) { |
| | | var local = localCoords(pos, true), off = eltOffset(lineSpace); |
| | | return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot}; |
| | | } |
| | | |
| | | var cachedHeight, cachedHeightFor, measureText; |
| | | function textHeight() { |
| | | if (measureText == null) { |
| | | measureText = "<pre>"; |
| | | for (var i = 0; i < 49; ++i) measureText += "x<br/>"; |
| | | measureText += "x</pre>"; |
| | | } |
| | | var offsetHeight = lineDiv.clientHeight; |
| | | if (offsetHeight == cachedHeightFor) return cachedHeight; |
| | | cachedHeightFor = offsetHeight; |
| | | measure.innerHTML = measureText; |
| | | cachedHeight = measure.firstChild.offsetHeight / 50 || 1; |
| | | measure.innerHTML = ""; |
| | | return cachedHeight; |
| | | } |
| | | var cachedWidth, cachedWidthFor = 0; |
| | | function charWidth() { |
| | | if (scroller.clientWidth == cachedWidthFor) return cachedWidth; |
| | | cachedWidthFor = scroller.clientWidth; |
| | | return (cachedWidth = stringWidth("x")); |
| | | } |
| | | function paddingTop() {return lineSpace.offsetTop;} |
| | | function paddingLeft() {return lineSpace.offsetLeft;} |
| | | |
| | | function posFromMouse(e, liberal) { |
| | | var offW = eltOffset(scroller, true), x, y; |
| | | // Fails unpredictably on IE[67] when mouse is dragged around quickly. |
| | | try { x = e.clientX; y = e.clientY; } catch (e) { return null; } |
| | | // This is a mess of a heuristic to try and determine whether a |
| | | // scroll-bar was clicked or not, and to return null if one was |
| | | // (and !liberal). |
| | | if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight)) |
| | | return null; |
| | | var offL = eltOffset(lineSpace, true); |
| | | return coordsChar(x - offL.left, y - offL.top); |
| | | } |
| | | function onContextMenu(e) { |
| | | var pos = posFromMouse(e); |
| | | if (!pos || window.opera) return; // Opera is difficult. |
| | | if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to)) |
| | | operation(setCursor)(pos.line, pos.ch); |
| | | |
| | | var oldCSS = input.style.cssText; |
| | | inputDiv.style.position = "absolute"; |
| | | input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + |
| | | "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " + |
| | | "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; |
| | | leaveInputAlone = true; |
| | | var val = input.value = getSelection(); |
| | | focusInput(); |
| | | input.select(); |
| | | function rehide() { |
| | | var newVal = splitLines(input.value).join("\n"); |
| | | if (newVal != val) operation(replaceSelection)(newVal, "end"); |
| | | inputDiv.style.position = "relative"; |
| | | input.style.cssText = oldCSS; |
| | | leaveInputAlone = false; |
| | | resetInput(true); |
| | | slowPoll(); |
| | | } |
| | | |
| | | if (gecko) { |
| | | e_stop(e); |
| | | var mouseup = connect(window, "mouseup", function() { |
| | | mouseup(); |
| | | setTimeout(rehide, 20); |
| | | }, true); |
| | | } |
| | | else { |
| | | setTimeout(rehide, 50); |
| | | } |
| | | } |
| | | |
| | | // Cursor-blinking |
| | | function restartBlink() { |
| | | clearInterval(blinker); |
| | | var on = true; |
| | | cursor.style.visibility = ""; |
| | | blinker = setInterval(function() { |
| | | cursor.style.visibility = (on = !on) ? "" : "hidden"; |
| | | }, 650); |
| | | } |
| | | |
| | | var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; |
| | | function matchBrackets(autoclear) { |
| | | var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1; |
| | | var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; |
| | | if (!match) return; |
| | | var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles; |
| | | for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2) |
| | | if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;} |
| | | |
| | | var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; |
| | | function scan(line, from, to) { |
| | | if (!line.text) return; |
| | | var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur; |
| | | for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) { |
| | | var text = st[i]; |
| | | if (st[i+1] != null && st[i+1] != style) {pos += d * text.length; continue;} |
| | | for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) { |
| | | if (pos >= from && pos < to && re.test(cur = text.charAt(j))) { |
| | | var match = matching[cur]; |
| | | if (match.charAt(1) == ">" == forward) stack.push(cur); |
| | | else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; |
| | | else if (!stack.length) return {pos: pos, match: true}; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) { |
| | | var line = getLine(i), first = i == head.line; |
| | | var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length); |
| | | if (found) break; |
| | | } |
| | | if (!found) found = {pos: null, match: false}; |
| | | var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; |
| | | var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style), |
| | | two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style); |
| | | var clear = operation(function(){one.clear(); two && two.clear();}); |
| | | if (autoclear) setTimeout(clear, 800); |
| | | else bracketHighlighted = clear; |
| | | } |
| | | |
| | | // Finds the line to start with when starting a parse. Tries to |
| | | // find a line with a stateAfter, so that it can start with a |
| | | // valid state. If that fails, it returns the line with the |
| | | // smallest indentation, which tends to need the least context to |
| | | // parse correctly. |
| | | function findStartLine(n) { |
| | | var minindent, minline; |
| | | for (var search = n, lim = n - 40; search > lim; --search) { |
| | | if (search == 0) return 0; |
| | | var line = getLine(search-1); |
| | | if (line.stateAfter) return search; |
| | | var indented = line.indentation(options.tabSize); |
| | | if (minline == null || minindent > indented) { |
| | | minline = search - 1; |
| | | minindent = indented; |
| | | } |
| | | } |
| | | return minline; |
| | | } |
| | | function getStateBefore(n) { |
| | | var start = findStartLine(n), state = start && getLine(start-1).stateAfter; |
| | | if (!state) state = startState(mode); |
| | | else state = copyState(mode, state); |
| | | doc.iter(start, n, function(line) { |
| | | line.highlight(mode, state, options.tabSize); |
| | | line.stateAfter = copyState(mode, state); |
| | | }); |
| | | if (start < n) changes.push({from: start, to: n}); |
| | | if (n < doc.size && !getLine(n).stateAfter) work.push(n); |
| | | return state; |
| | | } |
| | | function highlightLines(start, end) { |
| | | var state = getStateBefore(start); |
| | | doc.iter(start, end, function(line) { |
| | | line.highlight(mode, state, options.tabSize); |
| | | line.stateAfter = copyState(mode, state); |
| | | }); |
| | | } |
| | | function highlightWorker() { |
| | | var end = +new Date + options.workTime; |
| | | var foundWork = work.length; |
| | | while (work.length) { |
| | | if (!getLine(showingFrom).stateAfter) var task = showingFrom; |
| | | else var task = work.pop(); |
| | | if (task >= doc.size) continue; |
| | | var start = findStartLine(task), state = start && getLine(start-1).stateAfter; |
| | | if (state) state = copyState(mode, state); |
| | | else state = startState(mode); |
| | | |
| | | var unchanged = 0, compare = mode.compareStates, realChange = false, |
| | | i = start, bail = false; |
| | | doc.iter(i, doc.size, function(line) { |
| | | var hadState = line.stateAfter; |
| | | if (+new Date > end) { |
| | | work.push(i); |
| | | startWorker(options.workDelay); |
| | | if (realChange) changes.push({from: task, to: i + 1}); |
| | | return (bail = true); |
| | | } |
| | | var changed = line.highlight(mode, state, options.tabSize); |
| | | if (changed) realChange = true; |
| | | line.stateAfter = copyState(mode, state); |
| | | if (compare) { |
| | | if (hadState && compare(hadState, state)) return true; |
| | | } else { |
| | | if (changed !== false || !hadState) unchanged = 0; |
| | | else if (++unchanged > 3 && (!mode.indent || mode.indent(hadState, "") == mode.indent(state, ""))) |
| | | return true; |
| | | } |
| | | ++i; |
| | | }); |
| | | if (bail) return; |
| | | if (realChange) changes.push({from: task, to: i + 1}); |
| | | } |
| | | if (foundWork && options.onHighlightComplete) |
| | | options.onHighlightComplete(instance); |
| | | } |
| | | function startWorker(time) { |
| | | if (!work.length) return; |
| | | highlight.set(time, operation(highlightWorker)); |
| | | } |
| | | |
| | | // Operations are used to wrap changes in such a way that each |
| | | // change won't have to update the cursor and display (which would |
| | | // be awkward, slow, and error-prone), but instead updates are |
| | | // batched and then all combined and executed at once. |
| | | function startOperation() { |
| | | updateInput = userSelChange = textChanged = null; |
| | | changes = []; selectionChanged = false; callbacks = []; |
| | | } |
| | | function endOperation() { |
| | | var reScroll = false, updated; |
| | | if (selectionChanged) reScroll = !scrollCursorIntoView(); |
| | | if (changes.length) updated = updateDisplay(changes, true); |
| | | else { |
| | | if (selectionChanged) updateCursor(); |
| | | if (gutterDirty) updateGutter(); |
| | | } |
| | | if (reScroll) scrollCursorIntoView(); |
| | | if (selectionChanged) {scrollEditorIntoView(); restartBlink();} |
| | | |
| | | if (focused && !leaveInputAlone && |
| | | (updateInput === true || (updateInput !== false && selectionChanged))) |
| | | resetInput(userSelChange); |
| | | |
| | | if (selectionChanged && options.matchBrackets) |
| | | setTimeout(operation(function() { |
| | | if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;} |
| | | if (posEq(sel.from, sel.to)) matchBrackets(false); |
| | | }), 20); |
| | | var tc = textChanged, cbs = callbacks; // these can be reset by callbacks |
| | | if (selectionChanged && options.onCursorActivity) |
| | | options.onCursorActivity(instance); |
| | | if (tc && options.onChange && instance) |
| | | options.onChange(instance, tc); |
| | | for (var i = 0; i < cbs.length; ++i) cbs[i](instance); |
| | | if (updated && options.onUpdate) options.onUpdate(instance); |
| | | } |
| | | var nestedOperation = 0; |
| | | function operation(f) { |
| | | return function() { |
| | | if (!nestedOperation++) startOperation(); |
| | | try {var result = f.apply(this, arguments);} |
| | | finally {if (!--nestedOperation) endOperation();} |
| | | return result; |
| | | }; |
| | | } |
| | | |
| | | for (var ext in extensions) |
| | | if (extensions.propertyIsEnumerable(ext) && |
| | | !instance.propertyIsEnumerable(ext)) |
| | | instance[ext] = extensions[ext]; |
| | | return instance; |
| | | } // (end of function CodeMirror) |
| | | |
| | | // The default configuration options. |
| | | CodeMirror.defaults = { |
| | | value: "", |
| | | mode: null, |
| | | theme: "default", |
| | | indentUnit: 2, |
| | | indentWithTabs: false, |
| | | tabSize: 4, |
| | | keyMap: "default", |
| | | extraKeys: null, |
| | | electricChars: true, |
| | | onKeyEvent: null, |
| | | lineWrapping: false, |
| | | lineNumbers: false, |
| | | gutter: false, |
| | | fixedGutter: false, |
| | | firstLineNumber: 1, |
| | | readOnly: false, |
| | | onChange: null, |
| | | onCursorActivity: null, |
| | | onGutterClick: null, |
| | | onHighlightComplete: null, |
| | | onUpdate: null, |
| | | onFocus: null, onBlur: null, onScroll: null, |
| | | matchBrackets: false, |
| | | workTime: 100, |
| | | workDelay: 200, |
| | | pollInterval: 100, |
| | | undoDepth: 40, |
| | | tabindex: null, |
| | | document: window.document |
| | | }; |
| | | |
| | | var mac = /Mac/.test(navigator.platform); |
| | | var win = /Win/.test(navigator.platform); |
| | | |
| | | // Known modes, by name and by MIME |
| | | var modes = {}, mimeModes = {}; |
| | | CodeMirror.defineMode = function(name, mode) { |
| | | if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; |
| | | modes[name] = mode; |
| | | }; |
| | | CodeMirror.defineMIME = function(mime, spec) { |
| | | mimeModes[mime] = spec; |
| | | }; |
| | | CodeMirror.getMode = function(options, spec) { |
| | | if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) |
| | | spec = mimeModes[spec]; |
| | | if (typeof spec == "string") |
| | | var mname = spec, config = {}; |
| | | else if (spec != null) |
| | | var mname = spec.name, config = spec; |
| | | var mfactory = modes[mname]; |
| | | if (!mfactory) { |
| | | if (window.console) console.warn("No mode " + mname + " found, falling back to plain text."); |
| | | return CodeMirror.getMode(options, "text/plain"); |
| | | } |
| | | return mfactory(options, config || {}); |
| | | }; |
| | | CodeMirror.listModes = function() { |
| | | var list = []; |
| | | for (var m in modes) |
| | | if (modes.propertyIsEnumerable(m)) list.push(m); |
| | | return list; |
| | | }; |
| | | CodeMirror.listMIMEs = function() { |
| | | var list = []; |
| | | for (var m in mimeModes) |
| | | if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]}); |
| | | return list; |
| | | }; |
| | | |
| | | var extensions = CodeMirror.extensions = {}; |
| | | CodeMirror.defineExtension = function(name, func) { |
| | | extensions[name] = func; |
| | | }; |
| | | |
| | | var commands = CodeMirror.commands = { |
| | | selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});}, |
| | | killLine: function(cm) { |
| | | var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to); |
| | | if (!sel && cm.getLine(from.line).length == from.ch) cm.replaceRange("", from, {line: from.line + 1, ch: 0}); |
| | | else cm.replaceRange("", from, sel ? to : {line: from.line}); |
| | | }, |
| | | deleteLine: function(cm) {var l = cm.getCursor().line; cm.replaceRange("", {line: l, ch: 0}, {line: l});}, |
| | | undo: function(cm) {cm.undo();}, |
| | | redo: function(cm) {cm.redo();}, |
| | | goDocStart: function(cm) {cm.setCursor(0, 0, true);}, |
| | | goDocEnd: function(cm) {cm.setSelection({line: cm.lineCount() - 1}, null, true);}, |
| | | goLineStart: function(cm) {cm.setCursor(cm.getCursor().line, 0, true);}, |
| | | goLineStartSmart: function(cm) { |
| | | var cur = cm.getCursor(); |
| | | var text = cm.getLine(cur.line), firstNonWS = Math.max(0, text.search(/\S/)); |
| | | cm.setCursor(cur.line, cur.ch <= firstNonWS && cur.ch ? 0 : firstNonWS, true); |
| | | }, |
| | | goLineEnd: function(cm) {cm.setSelection({line: cm.getCursor().line}, null, true);}, |
| | | goLineUp: function(cm) {cm.moveV(-1, "line");}, |
| | | goLineDown: function(cm) {cm.moveV(1, "line");}, |
| | | goPageUp: function(cm) {cm.moveV(-1, "page");}, |
| | | goPageDown: function(cm) {cm.moveV(1, "page");}, |
| | | goCharLeft: function(cm) {cm.moveH(-1, "char");}, |
| | | goCharRight: function(cm) {cm.moveH(1, "char");}, |
| | | goColumnLeft: function(cm) {cm.moveH(-1, "column");}, |
| | | goColumnRight: function(cm) {cm.moveH(1, "column");}, |
| | | goWordLeft: function(cm) {cm.moveH(-1, "word");}, |
| | | goWordRight: function(cm) {cm.moveH(1, "word");}, |
| | | delCharLeft: function(cm) {cm.deleteH(-1, "char");}, |
| | | delCharRight: function(cm) {cm.deleteH(1, "char");}, |
| | | delWordLeft: function(cm) {cm.deleteH(-1, "word");}, |
| | | delWordRight: function(cm) {cm.deleteH(1, "word");}, |
| | | indentAuto: function(cm) {cm.indentSelection("smart");}, |
| | | indentMore: function(cm) {cm.indentSelection("add");}, |
| | | indentLess: function(cm) {cm.indentSelection("subtract");}, |
| | | insertTab: function(cm) {cm.replaceSelection("\t", "end");}, |
| | | transposeChars: function(cm) { |
| | | var cur = cm.getCursor(), line = cm.getLine(cur.line); |
| | | if (cur.ch > 0 && cur.ch < line.length - 1) |
| | | cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1), |
| | | {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1}); |
| | | }, |
| | | newlineAndIndent: function(cm) { |
| | | cm.replaceSelection("\n", "end"); |
| | | cm.indentLine(cm.getCursor().line); |
| | | }, |
| | | toggleOverwrite: function(cm) {cm.toggleOverwrite();} |
| | | }; |
| | | |
| | | var keyMap = CodeMirror.keyMap = {}; |
| | | keyMap.basic = { |
| | | "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", |
| | | "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", |
| | | "Delete": "delCharRight", "Backspace": "delCharLeft", "Tab": "indentMore", "Shift-Tab": "indentLess", |
| | | "Enter": "newlineAndIndent", "Insert": "toggleOverwrite" |
| | | }; |
| | | // Note that the save and find-related commands aren't defined by |
| | | // default. Unknown commands are simply ignored. |
| | | keyMap.pcDefault = { |
| | | "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", |
| | | "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd", |
| | | "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", |
| | | "Ctrl-Backspace": "delWordLeft", "Ctrl-Delete": "delWordRight", "Ctrl-S": "save", "Ctrl-F": "find", |
| | | "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", |
| | | fallthrough: "basic" |
| | | }; |
| | | keyMap.macDefault = { |
| | | "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", |
| | | "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft", |
| | | "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordLeft", |
| | | "Ctrl-Alt-Backspace": "delWordRight", "Alt-Delete": "delWordRight", "Cmd-S": "save", "Cmd-F": "find", |
| | | "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", |
| | | fallthrough: ["basic", "emacsy"] |
| | | }; |
| | | keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; |
| | | keyMap.emacsy = { |
| | | "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", |
| | | "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", |
| | | "Ctrl-V": "goPageUp", "Shift-Ctrl-V": "goPageDown", "Ctrl-D": "delCharRight", "Ctrl-H": "delCharLeft", |
| | | "Alt-D": "delWordRight", "Alt-Backspace": "delWordLeft", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" |
| | | }; |
| | | |
| | | function lookupKey(name, extraMap, map) { |
| | | function lookup(name, map, ft) { |
| | | var found = map[name]; |
| | | if (found != null) return found; |
| | | if (ft == null) ft = map.fallthrough; |
| | | if (ft == null) return map.catchall; |
| | | if (typeof ft == "string") return lookup(name, keyMap[ft]); |
| | | for (var i = 0, e = ft.length; i < e; ++i) { |
| | | found = lookup(name, keyMap[ft[i]]); |
| | | if (found != null) return found; |
| | | } |
| | | return null; |
| | | } |
| | | return extraMap ? lookup(name, extraMap, map) : lookup(name, keyMap[map]); |
| | | } |
| | | function isModifierKey(event) { |
| | | var name = keyNames[event.keyCode]; |
| | | return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; |
| | | } |
| | | |
| | | CodeMirror.fromTextArea = function(textarea, options) { |
| | | if (!options) options = {}; |
| | | options.value = textarea.value; |
| | | if (!options.tabindex && textarea.tabindex) |
| | | options.tabindex = textarea.tabindex; |
| | | |
| | | function save() {textarea.value = instance.getValue();} |
| | | if (textarea.form) { |
| | | // Deplorable hack to make the submit method do the right thing. |
| | | var rmSubmit = connect(textarea.form, "submit", save, true); |
| | | if (typeof textarea.form.submit == "function") { |
| | | var realSubmit = textarea.form.submit; |
| | | function wrappedSubmit() { |
| | | save(); |
| | | textarea.form.submit = realSubmit; |
| | | textarea.form.submit(); |
| | | textarea.form.submit = wrappedSubmit; |
| | | } |
| | | textarea.form.submit = wrappedSubmit; |
| | | } |
| | | } |
| | | |
| | | textarea.style.display = "none"; |
| | | var instance = CodeMirror(function(node) { |
| | | textarea.parentNode.insertBefore(node, textarea.nextSibling); |
| | | }, options); |
| | | instance.save = save; |
| | | instance.getTextArea = function() { return textarea; }; |
| | | instance.toTextArea = function() { |
| | | save(); |
| | | textarea.parentNode.removeChild(instance.getWrapperElement()); |
| | | textarea.style.display = ""; |
| | | if (textarea.form) { |
| | | rmSubmit(); |
| | | if (typeof textarea.form.submit == "function") |
| | | textarea.form.submit = realSubmit; |
| | | } |
| | | }; |
| | | return instance; |
| | | }; |
| | | |
| | | // Utility functions for working with state. Exported because modes |
| | | // sometimes need to do this. |
| | | function copyState(mode, state) { |
| | | if (state === true) return state; |
| | | if (mode.copyState) return mode.copyState(state); |
| | | var nstate = {}; |
| | | for (var n in state) { |
| | | var val = state[n]; |
| | | if (val instanceof Array) val = val.concat([]); |
| | | nstate[n] = val; |
| | | } |
| | | return nstate; |
| | | } |
| | | CodeMirror.copyState = copyState; |
| | | function startState(mode, a1, a2) { |
| | | return mode.startState ? mode.startState(a1, a2) : true; |
| | | } |
| | | CodeMirror.startState = startState; |
| | | |
| | | // The character stream used by a mode's parser. |
| | | function StringStream(string, tabSize) { |
| | | this.pos = this.start = 0; |
| | | this.string = string; |
| | | this.tabSize = tabSize || 8; |
| | | } |
| | | StringStream.prototype = { |
| | | eol: function() {return this.pos >= this.string.length;}, |
| | | sol: function() {return this.pos == 0;}, |
| | | peek: function() {return this.string.charAt(this.pos);}, |
| | | next: function() { |
| | | if (this.pos < this.string.length) |
| | | return this.string.charAt(this.pos++); |
| | | }, |
| | | eat: function(match) { |
| | | var ch = this.string.charAt(this.pos); |
| | | if (typeof match == "string") var ok = ch == match; |
| | | else var ok = ch && (match.test ? match.test(ch) : match(ch)); |
| | | if (ok) {++this.pos; return ch;} |
| | | }, |
| | | eatWhile: function(match) { |
| | | var start = this.pos; |
| | | while (this.eat(match)){} |
| | | return this.pos > start; |
| | | }, |
| | | eatSpace: function() { |
| | | var start = this.pos; |
| | | while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; |
| | | return this.pos > start; |
| | | }, |
| | | skipToEnd: function() {this.pos = this.string.length;}, |
| | | skipTo: function(ch) { |
| | | var found = this.string.indexOf(ch, this.pos); |
| | | if (found > -1) {this.pos = found; return true;} |
| | | }, |
| | | backUp: function(n) {this.pos -= n;}, |
| | | column: function() {return countColumn(this.string, this.start, this.tabSize);}, |
| | | indentation: function() {return countColumn(this.string, null, this.tabSize);}, |
| | | match: function(pattern, consume, caseInsensitive) { |
| | | if (typeof pattern == "string") { |
| | | function cased(str) {return caseInsensitive ? str.toLowerCase() : str;} |
| | | if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { |
| | | if (consume !== false) this.pos += pattern.length; |
| | | return true; |
| | | } |
| | | } |
| | | else { |
| | | var match = this.string.slice(this.pos).match(pattern); |
| | | if (match && consume !== false) this.pos += match[0].length; |
| | | return match; |
| | | } |
| | | }, |
| | | current: function(){return this.string.slice(this.start, this.pos);} |
| | | }; |
| | | CodeMirror.StringStream = StringStream; |
| | | |
| | | function MarkedText(from, to, className, set) { |
| | | this.from = from; this.to = to; this.style = className; this.set = set; |
| | | } |
| | | MarkedText.prototype = { |
| | | attach: function(line) { this.set.push(line); }, |
| | | detach: function(line) { |
| | | var ix = indexOf(this.set, line); |
| | | if (ix > -1) this.set.splice(ix, 1); |
| | | }, |
| | | split: function(pos, lenBefore) { |
| | | if (this.to <= pos && this.to != null) return null; |
| | | var from = this.from < pos || this.from == null ? null : this.from - pos + lenBefore; |
| | | var to = this.to == null ? null : this.to - pos + lenBefore; |
| | | return new MarkedText(from, to, this.style, this.set); |
| | | }, |
| | | dup: function() { return new MarkedText(null, null, this.style, this.set); }, |
| | | clipTo: function(fromOpen, from, toOpen, to, diff) { |
| | | if (this.from != null && this.from >= from) |
| | | this.from = Math.max(to, this.from) + diff; |
| | | if (this.to != null && this.to > from) |
| | | this.to = to < this.to ? this.to + diff : from; |
| | | if (fromOpen && to > this.from && (to < this.to || this.to == null)) |
| | | this.from = null; |
| | | if (toOpen && (from < this.to || this.to == null) && (from > this.from || this.from == null)) |
| | | this.to = null; |
| | | }, |
| | | isDead: function() { return this.from != null && this.to != null && this.from >= this.to; }, |
| | | sameSet: function(x) { return this.set == x.set; } |
| | | }; |
| | | |
| | | function Bookmark(pos) { |
| | | this.from = pos; this.to = pos; this.line = null; |
| | | } |
| | | Bookmark.prototype = { |
| | | attach: function(line) { this.line = line; }, |
| | | detach: function(line) { if (this.line == line) this.line = null; }, |
| | | split: function(pos, lenBefore) { |
| | | if (pos < this.from) { |
| | | this.from = this.to = (this.from - pos) + lenBefore; |
| | | return this; |
| | | } |
| | | }, |
| | | isDead: function() { return this.from > this.to; }, |
| | | clipTo: function(fromOpen, from, toOpen, to, diff) { |
| | | if ((fromOpen || from < this.from) && (toOpen || to > this.to)) { |
| | | this.from = 0; this.to = -1; |
| | | } else if (this.from > from) { |
| | | this.from = this.to = Math.max(to, this.from) + diff; |
| | | } |
| | | }, |
| | | sameSet: function(x) { return false; }, |
| | | find: function() { |
| | | if (!this.line || !this.line.parent) return null; |
| | | return {line: lineNo(this.line), ch: this.from}; |
| | | }, |
| | | clear: function() { |
| | | if (this.line) { |
| | | var found = indexOf(this.line.marked, this); |
| | | if (found != -1) this.line.marked.splice(found, 1); |
| | | this.line = null; |
| | | } |
| | | } |
| | | }; |
| | | |
| | | // Line objects. These hold state related to a line, including |
| | | // highlighting info (the styles array). |
| | | function Line(text, styles) { |
| | | this.styles = styles || [text, null]; |
| | | this.text = text; |
| | | this.height = 1; |
| | | this.marked = this.gutterMarker = this.className = this.handlers = null; |
| | | this.stateAfter = this.parent = this.hidden = null; |
| | | } |
| | | Line.inheritMarks = function(text, orig) { |
| | | var ln = new Line(text), mk = orig && orig.marked; |
| | | if (mk) { |
| | | for (var i = 0; i < mk.length; ++i) { |
| | | if (mk[i].to == null && mk[i].style) { |
| | | var newmk = ln.marked || (ln.marked = []), mark = mk[i]; |
| | | var nmark = mark.dup(); newmk.push(nmark); nmark.attach(ln); |
| | | } |
| | | } |
| | | } |
| | | return ln; |
| | | } |
| | | Line.prototype = { |
| | | // Replace a piece of a line, keeping the styles around it intact. |
| | | replace: function(from, to_, text) { |
| | | var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_; |
| | | copyStyles(0, from, this.styles, st); |
| | | if (text) st.push(text, null); |
| | | copyStyles(to, this.text.length, this.styles, st); |
| | | this.styles = st; |
| | | this.text = this.text.slice(0, from) + text + this.text.slice(to); |
| | | this.stateAfter = null; |
| | | if (mk) { |
| | | var diff = text.length - (to - from); |
| | | for (var i = 0, mark = mk[i]; i < mk.length; ++i) { |
| | | mark.clipTo(from == null, from || 0, to_ == null, to, diff); |
| | | if (mark.isDead()) {mark.detach(this); mk.splice(i--, 1);} |
| | | } |
| | | } |
| | | }, |
| | | // Split a part off a line, keeping styles and markers intact. |
| | | split: function(pos, textBefore) { |
| | | var st = [textBefore, null], mk = this.marked; |
| | | copyStyles(pos, this.text.length, this.styles, st); |
| | | var taken = new Line(textBefore + this.text.slice(pos), st); |
| | | if (mk) { |
| | | for (var i = 0; i < mk.length; ++i) { |
| | | var mark = mk[i]; |
| | | var newmark = mark.split(pos, textBefore.length); |
| | | if (newmark) { |
| | | if (!taken.marked) taken.marked = []; |
| | | taken.marked.push(newmark); newmark.attach(taken); |
| | | } |
| | | } |
| | | } |
| | | return taken; |
| | | }, |
| | | append: function(line) { |
| | | var mylen = this.text.length, mk = line.marked, mymk = this.marked; |
| | | this.text += line.text; |
| | | copyStyles(0, line.text.length, line.styles, this.styles); |
| | | if (mymk) { |
| | | for (var i = 0; i < mymk.length; ++i) |
| | | if (mymk[i].to == null) mymk[i].to = mylen; |
| | | } |
| | | if (mk && mk.length) { |
| | | if (!mymk) this.marked = mymk = []; |
| | | outer: for (var i = 0; i < mk.length; ++i) { |
| | | var mark = mk[i]; |
| | | if (!mark.from) { |
| | | for (var j = 0; j < mymk.length; ++j) { |
| | | var mymark = mymk[j]; |
| | | if (mymark.to == mylen && mymark.sameSet(mark)) { |
| | | mymark.to = mark.to == null ? null : mark.to + mylen; |
| | | if (mymark.isDead()) { |
| | | mymark.detach(this); |
| | | mk.splice(i--, 1); |
| | | } |
| | | continue outer; |
| | | } |
| | | } |
| | | } |
| | | mymk.push(mark); |
| | | mark.attach(this); |
| | | mark.from += mylen; |
| | | if (mark.to != null) mark.to += mylen; |
| | | } |
| | | } |
| | | }, |
| | | fixMarkEnds: function(other) { |
| | | var mk = this.marked, omk = other.marked; |
| | | if (!mk) return; |
| | | for (var i = 0; i < mk.length; ++i) { |
| | | var mark = mk[i], close = mark.to == null; |
| | | if (close && omk) { |
| | | for (var j = 0; j < omk.length; ++j) |
| | | if (omk[j].sameSet(mark)) {close = false; break;} |
| | | } |
| | | if (close) mark.to = this.text.length; |
| | | } |
| | | }, |
| | | fixMarkStarts: function() { |
| | | var mk = this.marked; |
| | | if (!mk) return; |
| | | for (var i = 0; i < mk.length; ++i) |
| | | if (mk[i].from == null) mk[i].from = 0; |
| | | }, |
| | | addMark: function(mark) { |
| | | mark.attach(this); |
| | | if (this.marked == null) this.marked = []; |
| | | this.marked.push(mark); |
| | | this.marked.sort(function(a, b){return (a.from || 0) - (b.from || 0);}); |
| | | }, |
| | | // Run the given mode's parser over a line, update the styles |
| | | // array, which contains alternating fragments of text and CSS |
| | | // classes. |
| | | highlight: function(mode, state, tabSize) { |
| | | var stream = new StringStream(this.text, tabSize), st = this.styles, pos = 0; |
| | | var changed = false, curWord = st[0], prevWord; |
| | | if (this.text == "" && mode.blankLine) mode.blankLine(state); |
| | | while (!stream.eol()) { |
| | | var style = mode.token(stream, state); |
| | | var substr = this.text.slice(stream.start, stream.pos); |
| | | stream.start = stream.pos; |
| | | if (pos && st[pos-1] == style) |
| | | st[pos-2] += substr; |
| | | else if (substr) { |
| | | if (!changed && (st[pos+1] != style || (pos && st[pos-2] != prevWord))) changed = true; |
| | | st[pos++] = substr; st[pos++] = style; |
| | | prevWord = curWord; curWord = st[pos]; |
| | | } |
| | | // Give up when line is ridiculously long |
| | | if (stream.pos > 5000) { |
| | | st[pos++] = this.text.slice(stream.pos); st[pos++] = null; |
| | | break; |
| | | } |
| | | } |
| | | if (st.length != pos) {st.length = pos; changed = true;} |
| | | if (pos && st[pos-2] != prevWord) changed = true; |
| | | // Short lines with simple highlights return null, and are |
| | | // counted as changed by the driver because they are likely to |
| | | // highlight the same way in various contexts. |
| | | return changed || (st.length < 5 && this.text.length < 10 ? null : false); |
| | | }, |
| | | // Fetch the parser token for a given character. Useful for hacks |
| | | // that want to inspect the mode state (say, for completion). |
| | | getTokenAt: function(mode, state, ch) { |
| | | var txt = this.text, stream = new StringStream(txt); |
| | | while (stream.pos < ch && !stream.eol()) { |
| | | stream.start = stream.pos; |
| | | var style = mode.token(stream, state); |
| | | } |
| | | return {start: stream.start, |
| | | end: stream.pos, |
| | | string: stream.current(), |
| | | className: style || null, |
| | | state: state}; |
| | | }, |
| | | indentation: function(tabSize) {return countColumn(this.text, null, tabSize);}, |
| | | // Produces an HTML fragment for the line, taking selection, |
| | | // marking, and highlighting into account. |
| | | getHTML: function(sfrom, sto, includePre, tabText, endAt) { |
| | | var html = [], first = true; |
| | | if (includePre) |
| | | html.push(this.className ? '<pre class="' + this.className + '">': "<pre>"); |
| | | function span(text, style) { |
| | | if (!text) return; |
| | | // Work around a bug where, in some compat modes, IE ignores leading spaces |
| | | if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1); |
| | | first = false; |
| | | if (style) html.push('<span class="', style, '">', htmlEscape(text).replace(/\t/g, tabText), "</span>"); |
| | | else html.push(htmlEscape(text).replace(/\t/g, tabText)); |
| | | } |
| | | var st = this.styles, allText = this.text, marked = this.marked; |
| | | if (sfrom == sto) sfrom = null; |
| | | var len = allText.length; |
| | | if (endAt != null) len = Math.min(endAt, len); |
| | | |
| | | if (!allText && endAt == null) |
| | | span(" ", sfrom != null && sto == null ? "CodeMirror-selected" : null); |
| | | else if (!marked && sfrom == null) |
| | | for (var i = 0, ch = 0; ch < len; i+=2) { |
| | | var str = st[i], style = st[i+1], l = str.length; |
| | | if (ch + l > len) str = str.slice(0, len - ch); |
| | | ch += l; |
| | | span(str, style && "cm-" + style); |
| | | } |
| | | else { |
| | | var pos = 0, i = 0, text = "", style, sg = 0; |
| | | var markpos = -1, mark = null; |
| | | function nextMark() { |
| | | if (marked) { |
| | | markpos += 1; |
| | | mark = (markpos < marked.length) ? marked[markpos] : null; |
| | | } |
| | | } |
| | | nextMark(); |
| | | while (pos < len) { |
| | | var upto = len; |
| | | var extraStyle = ""; |
| | | if (sfrom != null) { |
| | | if (sfrom > pos) upto = sfrom; |
| | | else if (sto == null || sto > pos) { |
| | | extraStyle = " CodeMirror-selected"; |
| | | if (sto != null) upto = Math.min(upto, sto); |
| | | } |
| | | } |
| | | while (mark && mark.to != null && mark.to <= pos) nextMark(); |
| | | if (mark) { |
| | | if (mark.from > pos) upto = Math.min(upto, mark.from); |
| | | else { |
| | | extraStyle += " " + mark.style; |
| | | if (mark.to != null) upto = Math.min(upto, mark.to); |
| | | } |
| | | } |
| | | for (;;) { |
| | | var end = pos + text.length; |
| | | var appliedStyle = style; |
| | | if (extraStyle) appliedStyle = style ? style + extraStyle : extraStyle; |
| | | span(end > upto ? text.slice(0, upto - pos) : text, appliedStyle); |
| | | if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} |
| | | pos = end; |
| | | text = st[i++]; style = "cm-" + st[i++]; |
| | | } |
| | | } |
| | | if (sfrom != null && sto == null) span(" ", "CodeMirror-selected"); |
| | | } |
| | | if (includePre) html.push("</pre>"); |
| | | return html.join(""); |
| | | }, |
| | | cleanUp: function() { |
| | | this.parent = null; |
| | | if (this.marked) |
| | | for (var i = 0, e = this.marked.length; i < e; ++i) this.marked[i].detach(this); |
| | | } |
| | | }; |
| | | // Utility used by replace and split above |
| | | function copyStyles(from, to, source, dest) { |
| | | for (var i = 0, pos = 0, state = 0; pos < to; i+=2) { |
| | | var part = source[i], end = pos + part.length; |
| | | if (state == 0) { |
| | | if (end > from) dest.push(part.slice(from - pos, Math.min(part.length, to - pos)), source[i+1]); |
| | | if (end >= from) state = 1; |
| | | } |
| | | else if (state == 1) { |
| | | if (end > to) dest.push(part.slice(0, to - pos), source[i+1]); |
| | | else dest.push(part, source[i+1]); |
| | | } |
| | | pos = end; |
| | | } |
| | | } |
| | | |
| | | // Data structure that holds the sequence of lines. |
| | | function LeafChunk(lines) { |
| | | this.lines = lines; |
| | | this.parent = null; |
| | | for (var i = 0, e = lines.length, height = 0; i < e; ++i) { |
| | | lines[i].parent = this; |
| | | height += lines[i].height; |
| | | } |
| | | this.height = height; |
| | | } |
| | | LeafChunk.prototype = { |
| | | chunkSize: function() { return this.lines.length; }, |
| | | remove: function(at, n, callbacks) { |
| | | for (var i = at, e = at + n; i < e; ++i) { |
| | | var line = this.lines[i]; |
| | | this.height -= line.height; |
| | | line.cleanUp(); |
| | | if (line.handlers) |
| | | for (var j = 0; j < line.handlers.length; ++j) callbacks.push(line.handlers[j]); |
| | | } |
| | | this.lines.splice(at, n); |
| | | }, |
| | | collapse: function(lines) { |
| | | lines.splice.apply(lines, [lines.length, 0].concat(this.lines)); |
| | | }, |
| | | insertHeight: function(at, lines, height) { |
| | | this.height += height; |
| | | this.lines.splice.apply(this.lines, [at, 0].concat(lines)); |
| | | for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this; |
| | | }, |
| | | iterN: function(at, n, op) { |
| | | for (var e = at + n; at < e; ++at) |
| | | if (op(this.lines[at])) return true; |
| | | } |
| | | }; |
| | | function BranchChunk(children) { |
| | | this.children = children; |
| | | var size = 0, height = 0; |
| | | for (var i = 0, e = children.length; i < e; ++i) { |
| | | var ch = children[i]; |
| | | size += ch.chunkSize(); height += ch.height; |
| | | ch.parent = this; |
| | | } |
| | | this.size = size; |
| | | this.height = height; |
| | | this.parent = null; |
| | | } |
| | | BranchChunk.prototype = { |
| | | chunkSize: function() { return this.size; }, |
| | | remove: function(at, n, callbacks) { |
| | | this.size -= n; |
| | | for (var i = 0; i < this.children.length; ++i) { |
| | | var child = this.children[i], sz = child.chunkSize(); |
| | | if (at < sz) { |
| | | var rm = Math.min(n, sz - at), oldHeight = child.height; |
| | | child.remove(at, rm, callbacks); |
| | | this.height -= oldHeight - child.height; |
| | | if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } |
| | | if ((n -= rm) == 0) break; |
| | | at = 0; |
| | | } else at -= sz; |
| | | } |
| | | if (this.size - n < 25) { |
| | | var lines = []; |
| | | this.collapse(lines); |
| | | this.children = [new LeafChunk(lines)]; |
| | | } |
| | | }, |
| | | collapse: function(lines) { |
| | | for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines); |
| | | }, |
| | | insert: function(at, lines) { |
| | | var height = 0; |
| | | for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height; |
| | | this.insertHeight(at, lines, height); |
| | | }, |
| | | insertHeight: function(at, lines, height) { |
| | | this.size += lines.length; |
| | | this.height += height; |
| | | for (var i = 0, e = this.children.length; i < e; ++i) { |
| | | var child = this.children[i], sz = child.chunkSize(); |
| | | if (at <= sz) { |
| | | child.insertHeight(at, lines, height); |
| | | if (child.lines && child.lines.length > 50) { |
| | | while (child.lines.length > 50) { |
| | | var spilled = child.lines.splice(child.lines.length - 25, 25); |
| | | var newleaf = new LeafChunk(spilled); |
| | | child.height -= newleaf.height; |
| | | this.children.splice(i + 1, 0, newleaf); |
| | | newleaf.parent = this; |
| | | } |
| | | this.maybeSpill(); |
| | | } |
| | | break; |
| | | } |
| | | at -= sz; |
| | | } |
| | | }, |
| | | maybeSpill: function() { |
| | | if (this.children.length <= 10) return; |
| | | var me = this; |
| | | do { |
| | | var spilled = me.children.splice(me.children.length - 5, 5); |
| | | var sibling = new BranchChunk(spilled); |
| | | if (!me.parent) { // Become the parent node |
| | | var copy = new BranchChunk(me.children); |
| | | copy.parent = me; |
| | | me.children = [copy, sibling]; |
| | | me = copy; |
| | | } else { |
| | | me.size -= sibling.size; |
| | | me.height -= sibling.height; |
| | | var myIndex = indexOf(me.parent.children, me); |
| | | me.parent.children.splice(myIndex + 1, 0, sibling); |
| | | } |
| | | sibling.parent = me.parent; |
| | | } while (me.children.length > 10); |
| | | me.parent.maybeSpill(); |
| | | }, |
| | | iter: function(from, to, op) { this.iterN(from, to - from, op); }, |
| | | iterN: function(at, n, op) { |
| | | for (var i = 0, e = this.children.length; i < e; ++i) { |
| | | var child = this.children[i], sz = child.chunkSize(); |
| | | if (at < sz) { |
| | | var used = Math.min(n, sz - at); |
| | | if (child.iterN(at, used, op)) return true; |
| | | if ((n -= used) == 0) break; |
| | | at = 0; |
| | | } else at -= sz; |
| | | } |
| | | } |
| | | }; |
| | | |
| | | function getLineAt(chunk, n) { |
| | | while (!chunk.lines) { |
| | | for (var i = 0;; ++i) { |
| | | var child = chunk.children[i], sz = child.chunkSize(); |
| | | if (n < sz) { chunk = child; break; } |
| | | n -= sz; |
| | | } |
| | | } |
| | | return chunk.lines[n]; |
| | | } |
| | | function lineNo(line) { |
| | | if (line.parent == null) return null; |
| | | var cur = line.parent, no = indexOf(cur.lines, line); |
| | | for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { |
| | | for (var i = 0, e = chunk.children.length; ; ++i) { |
| | | if (chunk.children[i] == cur) break; |
| | | no += chunk.children[i].chunkSize(); |
| | | } |
| | | } |
| | | return no; |
| | | } |
| | | function lineAtHeight(chunk, h) { |
| | | var n = 0; |
| | | outer: do { |
| | | for (var i = 0, e = chunk.children.length; i < e; ++i) { |
| | | var child = chunk.children[i], ch = child.height; |
| | | if (h < ch) { chunk = child; continue outer; } |
| | | h -= ch; |
| | | n += child.chunkSize(); |
| | | } |
| | | return n; |
| | | } while (!chunk.lines); |
| | | for (var i = 0, e = chunk.lines.length; i < e; ++i) { |
| | | var line = chunk.lines[i], lh = line.height; |
| | | if (h < lh) break; |
| | | h -= lh; |
| | | } |
| | | return n + i; |
| | | } |
| | | function heightAtLine(chunk, n) { |
| | | var h = 0; |
| | | outer: do { |
| | | for (var i = 0, e = chunk.children.length; i < e; ++i) { |
| | | var child = chunk.children[i], sz = child.chunkSize(); |
| | | if (n < sz) { chunk = child; continue outer; } |
| | | n -= sz; |
| | | h += child.height; |
| | | } |
| | | return h; |
| | | } while (!chunk.lines); |
| | | for (var i = 0; i < n; ++i) h += chunk.lines[i].height; |
| | | return h; |
| | | } |
| | | |
| | | // The history object 'chunks' changes that are made close together |
| | | // and at almost the same time into bigger undoable units. |
| | | function History() { |
| | | this.time = 0; |
| | | this.done = []; this.undone = []; |
| | | } |
| | | History.prototype = { |
| | | addChange: function(start, added, old) { |
| | | this.undone.length = 0; |
| | | var time = +new Date, last = this.done[this.done.length - 1]; |
| | | if (time - this.time > 400 || !last || |
| | | last.start > start + added || last.start + last.added < start - last.added + last.old.length) |
| | | this.done.push({start: start, added: added, old: old}); |
| | | else { |
| | | var oldoff = 0; |
| | | if (start < last.start) { |
| | | for (var i = last.start - start - 1; i >= 0; --i) |
| | | last.old.unshift(old[i]); |
| | | last.added += last.start - start; |
| | | last.start = start; |
| | | } |
| | | else if (last.start < start) { |
| | | oldoff = start - last.start; |
| | | added += oldoff; |
| | | } |
| | | for (var i = last.added - oldoff, e = old.length; i < e; ++i) |
| | | last.old.push(old[i]); |
| | | if (last.added < added) last.added = added; |
| | | } |
| | | this.time = time; |
| | | } |
| | | }; |
| | | |
| | | function stopMethod() {e_stop(this);} |
| | | // Ensure an event has a stop method. |
| | | function addStop(event) { |
| | | if (!event.stop) event.stop = stopMethod; |
| | | return event; |
| | | } |
| | | |
| | | function e_preventDefault(e) { |
| | | if (e.preventDefault) e.preventDefault(); |
| | | else e.returnValue = false; |
| | | } |
| | | function e_stopPropagation(e) { |
| | | if (e.stopPropagation) e.stopPropagation(); |
| | | else e.cancelBubble = true; |
| | | } |
| | | function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} |
| | | CodeMirror.e_stop = e_stop; |
| | | CodeMirror.e_preventDefault = e_preventDefault; |
| | | CodeMirror.e_stopPropagation = e_stopPropagation; |
| | | |
| | | function e_target(e) {return e.target || e.srcElement;} |
| | | function e_button(e) { |
| | | if (e.which) return e.which; |
| | | else if (e.button & 1) return 1; |
| | | else if (e.button & 2) return 3; |
| | | else if (e.button & 4) return 2; |
| | | } |
| | | |
| | | // Event handler registration. If disconnect is true, it'll return a |
| | | // function that unregisters the handler. |
| | | function connect(node, type, handler, disconnect) { |
| | | if (typeof node.addEventListener == "function") { |
| | | node.addEventListener(type, handler, false); |
| | | if (disconnect) return function() {node.removeEventListener(type, handler, false);}; |
| | | } |
| | | else { |
| | | var wrapHandler = function(event) {handler(event || window.event);}; |
| | | node.attachEvent("on" + type, wrapHandler); |
| | | if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);}; |
| | | } |
| | | } |
| | | CodeMirror.connect = connect; |
| | | |
| | | function Delayed() {this.id = null;} |
| | | Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}}; |
| | | |
| | | // Detect drag-and-drop |
| | | var dragAndDrop = function() { |
| | | // IE8 has ondragstart and ondrop properties, but doesn't seem to |
| | | // actually support ondragstart the way it's supposed to work. |
| | | if (/MSIE [1-8]\b/.test(navigator.userAgent)) return false; |
| | | var div = document.createElement('div'); |
| | | return "draggable" in div; |
| | | }(); |
| | | |
| | | var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); |
| | | var ie = /MSIE \d/.test(navigator.userAgent); |
| | | var webkit = /WebKit\//.test(navigator.userAgent); |
| | | |
| | | var lineSep = "\n"; |
| | | // Feature-detect whether newlines in textareas are converted to \r\n |
| | | (function () { |
| | | var te = document.createElement("textarea"); |
| | | te.value = "foo\nbar"; |
| | | if (te.value.indexOf("\r") > -1) lineSep = "\r\n"; |
| | | }()); |
| | | |
| | | // Counts the column offset in a string, taking tabs into account. |
| | | // Used mostly to find indentation. |
| | | function countColumn(string, end, tabSize) { |
| | | if (end == null) { |
| | | end = string.search(/[^\s\u00a0]/); |
| | | if (end == -1) end = string.length; |
| | | } |
| | | for (var i = 0, n = 0; i < end; ++i) { |
| | | if (string.charAt(i) == "\t") n += tabSize - (n % tabSize); |
| | | else ++n; |
| | | } |
| | | return n; |
| | | } |
| | | |
| | | function computedStyle(elt) { |
| | | if (elt.currentStyle) return elt.currentStyle; |
| | | return window.getComputedStyle(elt, null); |
| | | } |
| | | |
| | | // Find the position of an element by following the offsetParent chain. |
| | | // If screen==true, it returns screen (rather than page) coordinates. |
| | | function eltOffset(node, screen) { |
| | | var bod = node.ownerDocument.body; |
| | | var x = 0, y = 0, skipBody = false; |
| | | for (var n = node; n; n = n.offsetParent) { |
| | | var ol = n.offsetLeft, ot = n.offsetTop; |
| | | // Firefox reports weird inverted offsets when the body has a border. |
| | | if (n == bod) { x += Math.abs(ol); y += Math.abs(ot); } |
| | | else { x += ol, y += ot; } |
| | | if (screen && computedStyle(n).position == "fixed") |
| | | skipBody = true; |
| | | } |
| | | var e = screen && !skipBody ? null : bod; |
| | | for (var n = node.parentNode; n != e; n = n.parentNode) |
| | | if (n.scrollLeft != null) { x -= n.scrollLeft; y -= n.scrollTop;} |
| | | return {left: x, top: y}; |
| | | } |
| | | // Use the faster and saner getBoundingClientRect method when possible. |
| | | if (document.documentElement.getBoundingClientRect != null) eltOffset = function(node, screen) { |
| | | // Take the parts of bounding client rect that we are interested in so we are able to edit if need be, |
| | | // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page) |
| | | try { var box = node.getBoundingClientRect(); box = { top: box.top, left: box.left }; } |
| | | catch(e) { box = {top: 0, left: 0}; } |
| | | if (!screen) { |
| | | // Get the toplevel scroll, working around browser differences. |
| | | if (window.pageYOffset == null) { |
| | | var t = document.documentElement || document.body.parentNode; |
| | | if (t.scrollTop == null) t = document.body; |
| | | box.top += t.scrollTop; box.left += t.scrollLeft; |
| | | } else { |
| | | box.top += window.pageYOffset; box.left += window.pageXOffset; |
| | | } |
| | | } |
| | | return box; |
| | | }; |
| | | |
| | | // Get a node's text content. |
| | | function eltText(node) { |
| | | return node.textContent || node.innerText || node.nodeValue || ""; |
| | | } |
| | | |
| | | // Operations on {line, ch} objects. |
| | | function posEq(a, b) {return a.line == b.line && a.ch == b.ch;} |
| | | function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} |
| | | function copyPos(x) {return {line: x.line, ch: x.ch};} |
| | | |
| | | var escapeElement = document.createElement("pre"); |
| | | function htmlEscape(str) { |
| | | escapeElement.textContent = str; |
| | | return escapeElement.innerHTML; |
| | | } |
| | | // Recent (late 2011) Opera betas insert bogus newlines at the start |
| | | // of the textContent, so we strip those. |
| | | if (htmlEscape("a") == "\na") |
| | | htmlEscape = function(str) { |
| | | escapeElement.textContent = str; |
| | | return escapeElement.innerHTML.slice(1); |
| | | }; |
| | | // Some IEs don't preserve tabs through innerHTML |
| | | else if (htmlEscape("\t") != "\t") |
| | | htmlEscape = function(str) { |
| | | escapeElement.innerHTML = ""; |
| | | escapeElement.appendChild(document.createTextNode(str)); |
| | | return escapeElement.innerHTML; |
| | | }; |
| | | CodeMirror.htmlEscape = htmlEscape; |
| | | |
| | | // Used to position the cursor after an undo/redo by finding the |
| | | // last edited character. |
| | | function editEnd(from, to) { |
| | | if (!to) return from ? from.length : 0; |
| | | if (!from) return to.length; |
| | | for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j) |
| | | if (from.charAt(i) != to.charAt(j)) break; |
| | | return j + 1; |
| | | } |
| | | |
| | | function indexOf(collection, elt) { |
| | | if (collection.indexOf) return collection.indexOf(elt); |
| | | for (var i = 0, e = collection.length; i < e; ++i) |
| | | if (collection[i] == elt) return i; |
| | | return -1; |
| | | } |
| | | function isWordChar(ch) { |
| | | return /\w/.test(ch) || ch.toUpperCase() != ch.toLowerCase(); |
| | | } |
| | | |
| | | // See if "".split is the broken IE version, if so, provide an |
| | | // alternative way to split lines. |
| | | var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { |
| | | var pos = 0, nl, result = []; |
| | | while ((nl = string.indexOf("\n", pos)) > -1) { |
| | | result.push(string.slice(pos, string.charAt(nl-1) == "\r" ? nl - 1 : nl)); |
| | | pos = nl + 1; |
| | | } |
| | | result.push(string.slice(pos)); |
| | | return result; |
| | | } : function(string){return string.split(/\r?\n/);}; |
| | | CodeMirror.splitLines = splitLines; |
| | | |
| | | var hasSelection = window.getSelection ? function(te) { |
| | | try { return te.selectionStart != te.selectionEnd; } |
| | | catch(e) { return false; } |
| | | } : function(te) { |
| | | try {var range = te.ownerDocument.selection.createRange();} |
| | | catch(e) {} |
| | | if (!range || range.parentElement() != te) return false; |
| | | return range.compareEndPoints("StartToEnd", range) != 0; |
| | | }; |
| | | |
| | | CodeMirror.defineMode("null", function() { |
| | | return {token: function(stream) {stream.skipToEnd();}}; |
| | | }); |
| | | CodeMirror.defineMIME("text/plain", "null"); |
| | | |
| | | var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", |
| | | 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", |
| | | 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", |
| | | 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 186: ";", 187: "=", 188: ",", |
| | | 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", 221: "]", 222: "'", 63276: "PageUp", |
| | | 63277: "PageDown", 63275: "End", 63273: "Home", 63234: "Left", 63232: "Up", 63235: "Right", |
| | | 63233: "Down", 63302: "Insert", 63272: "Delete"}; |
| | | CodeMirror.keyNames = keyNames; |
| | | (function() { |
| | | // Number keys |
| | | for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i); |
| | | // Alphabetic keys |
| | | for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); |
| | | // Function keys |
| | | for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; |
| | | })(); |
| | | |
| | | return CodeMirror; |
| | | })(); |
| | | CodeMirror.defineMode("xml", function(config, parserConfig) { |
| | | var indentUnit = config.indentUnit; |
| | | var Kludges = parserConfig.htmlMode ? { |
| | | autoSelfClosers: {"br": true, "img": true, "hr": true, "link": true, "input": true, |
| | | "meta": true, "col": true, "frame": true, "base": true, "area": true}, |
| | | doNotIndent: {"pre": true}, |
| | | allowUnquoted: true |
| | | } : {autoSelfClosers: {}, doNotIndent: {}, allowUnquoted: false}; |
| | | var alignCDATA = parserConfig.alignCDATA; |
| | | |
| | | // Return variables for tokenizers |
| | | var tagName, type; |
| | | |
| | | function inText(stream, state) { |
| | | function chain(parser) { |
| | | state.tokenize = parser; |
| | | return parser(stream, state); |
| | | } |
| | | |
| | | var ch = stream.next(); |
| | | if (ch == "<") { |
| | | if (stream.eat("!")) { |
| | | if (stream.eat("[")) { |
| | | if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>")); |
| | | else return null; |
| | | } |
| | | else if (stream.match("--")) return chain(inBlock("comment", "-->")); |
| | | else if (stream.match("DOCTYPE", true, true)) { |
| | | stream.eatWhile(/[\w\._\-]/); |
| | | return chain(doctype(1)); |
| | | } |
| | | else return null; |
| | | } |
| | | else if (stream.eat("?")) { |
| | | stream.eatWhile(/[\w\._\-]/); |
| | | state.tokenize = inBlock("meta", "?>"); |
| | | return "meta"; |
| | | } |
| | | else { |
| | | type = stream.eat("/") ? "closeTag" : "openTag"; |
| | | stream.eatSpace(); |
| | | tagName = ""; |
| | | var c; |
| | | while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c; |
| | | state.tokenize = inTag; |
| | | return "tag"; |
| | | } |
| | | } |
| | | else if (ch == "&") { |
| | | stream.eatWhile(/[^;]/); |
| | | stream.eat(";"); |
| | | return "atom"; |
| | | } |
| | | else { |
| | | stream.eatWhile(/[^&<]/); |
| | | return null; |
| | | } |
| | | } |
| | | |
| | | function inTag(stream, state) { |
| | | var ch = stream.next(); |
| | | if (ch == ">" || (ch == "/" && stream.eat(">"))) { |
| | | state.tokenize = inText; |
| | | type = ch == ">" ? "endTag" : "selfcloseTag"; |
| | | return "tag"; |
| | | } |
| | | else if (ch == "=") { |
| | | type = "equals"; |
| | | return null; |
| | | } |
| | | else if (/[\'\"]/.test(ch)) { |
| | | state.tokenize = inAttribute(ch); |
| | | return state.tokenize(stream, state); |
| | | } |
| | | else { |
| | | stream.eatWhile(/[^\s\u00a0=<>\"\'\/?]/); |
| | | return "word"; |
| | | } |
| | | } |
| | | |
| | | function inAttribute(quote) { |
| | | return function(stream, state) { |
| | | while (!stream.eol()) { |
| | | if (stream.next() == quote) { |
| | | state.tokenize = inTag; |
| | | break; |
| | | } |
| | | } |
| | | return "string"; |
| | | }; |
| | | } |
| | | |
| | | function inBlock(style, terminator) { |
| | | return function(stream, state) { |
| | | while (!stream.eol()) { |
| | | if (stream.match(terminator)) { |
| | | state.tokenize = inText; |
| | | break; |
| | | } |
| | | stream.next(); |
| | | } |
| | | return style; |
| | | }; |
| | | } |
| | | function doctype(depth) { |
| | | return function(stream, state) { |
| | | var ch; |
| | | while ((ch = stream.next()) != null) { |
| | | if (ch == "<") { |
| | | state.tokenize = doctype(depth + 1); |
| | | return state.tokenize(stream, state); |
| | | } else if (ch == ">") { |
| | | if (depth == 1) { |
| | | state.tokenize = inText; |
| | | break; |
| | | } else { |
| | | state.tokenize = doctype(depth - 1); |
| | | return state.tokenize(stream, state); |
| | | } |
| | | } |
| | | } |
| | | return "meta"; |
| | | }; |
| | | } |
| | | |
| | | var curState, setStyle; |
| | | function pass() { |
| | | for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]); |
| | | } |
| | | function cont() { |
| | | pass.apply(null, arguments); |
| | | return true; |
| | | } |
| | | |
| | | function pushContext(tagName, startOfLine) { |
| | | var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent); |
| | | curState.context = { |
| | | prev: curState.context, |
| | | tagName: tagName, |
| | | indent: curState.indented, |
| | | startOfLine: startOfLine, |
| | | noIndent: noIndent |
| | | }; |
| | | } |
| | | function popContext() { |
| | | if (curState.context) curState.context = curState.context.prev; |
| | | } |
| | | |
| | | function element(type) { |
| | | if (type == "openTag") { |
| | | curState.tagName = tagName; |
| | | return cont(attributes, endtag(curState.startOfLine)); |
| | | } else if (type == "closeTag") { |
| | | var err = false; |
| | | if (curState.context) { |
| | | err = curState.context.tagName != tagName; |
| | | } else { |
| | | err = true; |
| | | } |
| | | if (err) setStyle = "error"; |
| | | return cont(endclosetag(err)); |
| | | } |
| | | return cont(); |
| | | } |
| | | function endtag(startOfLine) { |
| | | return function(type) { |
| | | if (type == "selfcloseTag" || |
| | | (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(curState.tagName.toLowerCase()))) |
| | | return cont(); |
| | | if (type == "endTag") {pushContext(curState.tagName, startOfLine); return cont();} |
| | | return cont(); |
| | | }; |
| | | } |
| | | function endclosetag(err) { |
| | | return function(type) { |
| | | if (err) setStyle = "error"; |
| | | if (type == "endTag") { popContext(); return cont(); } |
| | | setStyle = "error"; |
| | | return cont(arguments.callee); |
| | | } |
| | | } |
| | | |
| | | function attributes(type) { |
| | | if (type == "word") {setStyle = "attribute"; return cont(attributes);} |
| | | if (type == "equals") return cont(attvalue, attributes); |
| | | if (type == "string") {setStyle = "error"; return cont(attributes);} |
| | | return pass(); |
| | | } |
| | | function attvalue(type) { |
| | | if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();} |
| | | if (type == "string") return cont(attvaluemaybe); |
| | | return pass(); |
| | | } |
| | | function attvaluemaybe(type) { |
| | | if (type == "string") return cont(attvaluemaybe); |
| | | else return pass(); |
| | | } |
| | | |
| | | return { |
| | | startState: function() { |
| | | return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null}; |
| | | }, |
| | | |
| | | token: function(stream, state) { |
| | | if (stream.sol()) { |
| | | state.startOfLine = true; |
| | | state.indented = stream.indentation(); |
| | | } |
| | | if (stream.eatSpace()) return null; |
| | | |
| | | setStyle = type = tagName = null; |
| | | var style = state.tokenize(stream, state); |
| | | state.type = type; |
| | | if ((style || type) && style != "comment") { |
| | | curState = state; |
| | | while (true) { |
| | | var comb = state.cc.pop() || element; |
| | | if (comb(type || style)) break; |
| | | } |
| | | } |
| | | state.startOfLine = false; |
| | | return setStyle || style; |
| | | }, |
| | | |
| | | indent: function(state, textAfter, fullLine) { |
| | | var context = state.context; |
| | | if ((state.tokenize != inTag && state.tokenize != inText) || |
| | | context && context.noIndent) |
| | | return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0; |
| | | if (alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0; |
| | | if (context && /^<\//.test(textAfter)) |
| | | context = context.prev; |
| | | while (context && !context.startOfLine) |
| | | context = context.prev; |
| | | if (context) return context.indent + indentUnit; |
| | | else return 0; |
| | | }, |
| | | |
| | | compareStates: function(a, b) { |
| | | if (a.indented != b.indented || a.tokenize != b.tokenize) return false; |
| | | for (var ca = a.context, cb = b.context; ; ca = ca.prev, cb = cb.prev) { |
| | | if (!ca || !cb) return ca == cb; |
| | | if (ca.tagName != cb.tagName) return false; |
| | | } |
| | | }, |
| | | |
| | | electricChars: "/" |
| | | }; |
| | | }); |
| | | |
| | | CodeMirror.defineMIME("application/xml", "xml"); |
| | | CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true}); |
| | | CodeMirror.defineMode("javascript", function(config, parserConfig) { |
| | | var indentUnit = config.indentUnit; |
| | | var jsonMode = parserConfig.json; |
| | | |
| | | // Tokenizer |
| | | |
| | | var keywords = function(){ |
| | | function kw(type) {return {type: type, style: "keyword"};} |
| | | var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); |
| | | var operator = kw("operator"), atom = {type: "atom", style: "atom"}; |
| | | return { |
| | | "if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, |
| | | "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, |
| | | "var": kw("var"), "const": kw("var"), "let": kw("var"), |
| | | "function": kw("function"), "catch": kw("catch"), |
| | | "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), |
| | | "in": operator, "typeof": operator, "instanceof": operator, |
| | | "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom |
| | | }; |
| | | }(); |
| | | |
| | | var isOperatorChar = /[+\-*&%=<>!?|]/; |
| | | |
| | | function chain(stream, state, f) { |
| | | state.tokenize = f; |
| | | return f(stream, state); |
| | | } |
| | | |
| | | function nextUntilUnescaped(stream, end) { |
| | | var escaped = false, next; |
| | | while ((next = stream.next()) != null) { |
| | | if (next == end && !escaped) |
| | | return false; |
| | | escaped = !escaped && next == "\\"; |
| | | } |
| | | return escaped; |
| | | } |
| | | |
| | | // Used as scratch variables to communicate multiple values without |
| | | // consing up tons of objects. |
| | | var type, content; |
| | | function ret(tp, style, cont) { |
| | | type = tp; content = cont; |
| | | return style; |
| | | } |
| | | |
| | | function jsTokenBase(stream, state) { |
| | | var ch = stream.next(); |
| | | if (ch == '"' || ch == "'") |
| | | return chain(stream, state, jsTokenString(ch)); |
| | | else if (/[\[\]{}\(\),;\:\.]/.test(ch)) |
| | | return ret(ch); |
| | | else if (ch == "0" && stream.eat(/x/i)) { |
| | | stream.eatWhile(/[\da-f]/i); |
| | | return ret("number", "number"); |
| | | } |
| | | else if (/\d/.test(ch)) { |
| | | stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); |
| | | return ret("number", "number"); |
| | | } |
| | | else if (ch == "/") { |
| | | if (stream.eat("*")) { |
| | | return chain(stream, state, jsTokenComment); |
| | | } |
| | | else if (stream.eat("/")) { |
| | | stream.skipToEnd(); |
| | | return ret("comment", "comment"); |
| | | } |
| | | else if (state.reAllowed) { |
| | | nextUntilUnescaped(stream, "/"); |
| | | stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla |
| | | return ret("regexp", "string"); |
| | | } |
| | | else { |
| | | stream.eatWhile(isOperatorChar); |
| | | return ret("operator", null, stream.current()); |
| | | } |
| | | } |
| | | else if (ch == "#") { |
| | | stream.skipToEnd(); |
| | | return ret("error", "error"); |
| | | } |
| | | else if (isOperatorChar.test(ch)) { |
| | | stream.eatWhile(isOperatorChar); |
| | | return ret("operator", null, stream.current()); |
| | | } |
| | | else { |
| | | stream.eatWhile(/[\w\$_]/); |
| | | var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; |
| | | return (known && state.kwAllowed) ? ret(known.type, known.style, word) : |
| | | ret("variable", "variable", word); |
| | | } |
| | | } |
| | | |
| | | function jsTokenString(quote) { |
| | | return function(stream, state) { |
| | | if (!nextUntilUnescaped(stream, quote)) |
| | | state.tokenize = jsTokenBase; |
| | | return ret("string", "string"); |
| | | }; |
| | | } |
| | | |
| | | function jsTokenComment(stream, state) { |
| | | var maybeEnd = false, ch; |
| | | while (ch = stream.next()) { |
| | | if (ch == "/" && maybeEnd) { |
| | | state.tokenize = jsTokenBase; |
| | | break; |
| | | } |
| | | maybeEnd = (ch == "*"); |
| | | } |
| | | return ret("comment", "comment"); |
| | | } |
| | | |
| | | // Parser |
| | | |
| | | var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true}; |
| | | |
| | | function JSLexical(indented, column, type, align, prev, info) { |
| | | this.indented = indented; |
| | | this.column = column; |
| | | this.type = type; |
| | | this.prev = prev; |
| | | this.info = info; |
| | | if (align != null) this.align = align; |
| | | } |
| | | |
| | | function inScope(state, varname) { |
| | | for (var v = state.localVars; v; v = v.next) |
| | | if (v.name == varname) return true; |
| | | } |
| | | |
| | | function parseJS(state, style, type, content, stream) { |
| | | var cc = state.cc; |
| | | // Communicate our context to the combinators. |
| | | // (Less wasteful than consing up a hundred closures on every call.) |
| | | cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; |
| | | |
| | | if (!state.lexical.hasOwnProperty("align")) |
| | | state.lexical.align = true; |
| | | |
| | | while(true) { |
| | | var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; |
| | | if (combinator(type, content)) { |
| | | while(cc.length && cc[cc.length - 1].lex) |
| | | cc.pop()(); |
| | | if (cx.marked) return cx.marked; |
| | | if (type == "variable" && inScope(state, content)) return "variable-2"; |
| | | return style; |
| | | } |
| | | } |
| | | } |
| | | |
| | | // Combinator utils |
| | | |
| | | var cx = {state: null, column: null, marked: null, cc: null}; |
| | | function pass() { |
| | | for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); |
| | | } |
| | | function cont() { |
| | | pass.apply(null, arguments); |
| | | return true; |
| | | } |
| | | function register(varname) { |
| | | var state = cx.state; |
| | | if (state.context) { |
| | | cx.marked = "def"; |
| | | for (var v = state.localVars; v; v = v.next) |
| | | if (v.name == varname) return; |
| | | state.localVars = {name: varname, next: state.localVars}; |
| | | } |
| | | } |
| | | |
| | | // Combinators |
| | | |
| | | var defaultVars = {name: "this", next: {name: "arguments"}}; |
| | | function pushcontext() { |
| | | if (!cx.state.context) cx.state.localVars = defaultVars; |
| | | cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; |
| | | } |
| | | function popcontext() { |
| | | cx.state.localVars = cx.state.context.vars; |
| | | cx.state.context = cx.state.context.prev; |
| | | } |
| | | function pushlex(type, info) { |
| | | var result = function() { |
| | | var state = cx.state; |
| | | state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info) |
| | | }; |
| | | result.lex = true; |
| | | return result; |
| | | } |
| | | function poplex() { |
| | | var state = cx.state; |
| | | if (state.lexical.prev) { |
| | | if (state.lexical.type == ")") |
| | | state.indented = state.lexical.indented; |
| | | state.lexical = state.lexical.prev; |
| | | } |
| | | } |
| | | poplex.lex = true; |
| | | |
| | | function expect(wanted) { |
| | | return function expecting(type) { |
| | | if (type == wanted) return cont(); |
| | | else if (wanted == ";") return pass(); |
| | | else return cont(arguments.callee); |
| | | }; |
| | | } |
| | | |
| | | function statement(type) { |
| | | if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex); |
| | | if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); |
| | | if (type == "keyword b") return cont(pushlex("form"), statement, poplex); |
| | | if (type == "{") return cont(pushlex("}"), block, poplex); |
| | | if (type == ";") return cont(); |
| | | if (type == "function") return cont(functiondef); |
| | | if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"), |
| | | poplex, statement, poplex); |
| | | if (type == "variable") return cont(pushlex("stat"), maybelabel); |
| | | if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), |
| | | block, poplex, poplex); |
| | | if (type == "case") return cont(expression, expect(":")); |
| | | if (type == "default") return cont(expect(":")); |
| | | if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), |
| | | statement, poplex, popcontext); |
| | | return pass(pushlex("stat"), expression, expect(";"), poplex); |
| | | } |
| | | function expression(type) { |
| | | if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator); |
| | | if (type == "function") return cont(functiondef); |
| | | if (type == "keyword c") return cont(maybeexpression); |
| | | if (type == "(") return cont(pushlex(")"), expression, expect(")"), poplex, maybeoperator); |
| | | if (type == "operator") return cont(expression); |
| | | if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator); |
| | | if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator); |
| | | return cont(); |
| | | } |
| | | function maybeexpression(type) { |
| | | if (type.match(/[;\}\)\],]/)) return pass(); |
| | | return pass(expression); |
| | | } |
| | | |
| | | function maybeoperator(type, value) { |
| | | if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator); |
| | | if (type == "operator") return cont(expression); |
| | | if (type == ";") return; |
| | | if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator); |
| | | if (type == ".") return cont(property, maybeoperator); |
| | | if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator); |
| | | } |
| | | function maybelabel(type) { |
| | | if (type == ":") return cont(poplex, statement); |
| | | return pass(maybeoperator, expect(";"), poplex); |
| | | } |
| | | function property(type) { |
| | | if (type == "variable") {cx.marked = "property"; return cont();} |
| | | } |
| | | function objprop(type) { |
| | | if (type == "variable") cx.marked = "property"; |
| | | if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression); |
| | | } |
| | | function commasep(what, end) { |
| | | function proceed(type) { |
| | | if (type == ",") return cont(what, proceed); |
| | | if (type == end) return cont(); |
| | | return cont(expect(end)); |
| | | } |
| | | return function commaSeparated(type) { |
| | | if (type == end) return cont(); |
| | | else return pass(what, proceed); |
| | | }; |
| | | } |
| | | function block(type) { |
| | | if (type == "}") return cont(); |
| | | return pass(statement, block); |
| | | } |
| | | function vardef1(type, value) { |
| | | if (type == "variable"){register(value); return cont(vardef2);} |
| | | return cont(); |
| | | } |
| | | function vardef2(type, value) { |
| | | if (value == "=") return cont(expression, vardef2); |
| | | if (type == ",") return cont(vardef1); |
| | | } |
| | | function forspec1(type) { |
| | | if (type == "var") return cont(vardef1, forspec2); |
| | | if (type == ";") return pass(forspec2); |
| | | if (type == "variable") return cont(formaybein); |
| | | return pass(forspec2); |
| | | } |
| | | function formaybein(type, value) { |
| | | if (value == "in") return cont(expression); |
| | | return cont(maybeoperator, forspec2); |
| | | } |
| | | function forspec2(type, value) { |
| | | if (type == ";") return cont(forspec3); |
| | | if (value == "in") return cont(expression); |
| | | return cont(expression, expect(";"), forspec3); |
| | | } |
| | | function forspec3(type) { |
| | | if (type != ")") cont(expression); |
| | | } |
| | | function functiondef(type, value) { |
| | | if (type == "variable") {register(value); return cont(functiondef);} |
| | | if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, statement, popcontext); |
| | | } |
| | | function funarg(type, value) { |
| | | if (type == "variable") {register(value); return cont();} |
| | | } |
| | | |
| | | // Interface |
| | | |
| | | return { |
| | | startState: function(basecolumn) { |
| | | return { |
| | | tokenize: jsTokenBase, |
| | | reAllowed: true, |
| | | kwAllowed: true, |
| | | cc: [], |
| | | lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), |
| | | localVars: null, |
| | | context: null, |
| | | indented: 0 |
| | | }; |
| | | }, |
| | | |
| | | token: function(stream, state) { |
| | | if (stream.sol()) { |
| | | if (!state.lexical.hasOwnProperty("align")) |
| | | state.lexical.align = false; |
| | | state.indented = stream.indentation(); |
| | | } |
| | | if (stream.eatSpace()) return null; |
| | | var style = state.tokenize(stream, state); |
| | | if (type == "comment") return style; |
| | | state.reAllowed = type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/); |
| | | state.kwAllowed = type != '.'; |
| | | return parseJS(state, style, type, content, stream); |
| | | }, |
| | | |
| | | indent: function(state, textAfter) { |
| | | if (state.tokenize != jsTokenBase) return 0; |
| | | var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, |
| | | type = lexical.type, closing = firstChar == type; |
| | | if (type == "vardef") return lexical.indented + 4; |
| | | else if (type == "form" && firstChar == "{") return lexical.indented; |
| | | else if (type == "stat" || type == "form") return lexical.indented + indentUnit; |
| | | else if (lexical.info == "switch" && !closing) |
| | | return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); |
| | | else if (lexical.align) return lexical.column + (closing ? 0 : 1); |
| | | else return lexical.indented + (closing ? 0 : indentUnit); |
| | | }, |
| | | |
| | | electricChars: ":{}" |
| | | }; |
| | | }); |
| | | |
| | | CodeMirror.defineMIME("text/javascript", "javascript"); |
| | | CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); |
| | | |
| | | CodeMirror.defineMode("css", function(config) { |
| | | var indentUnit = config.indentUnit, type; |
| | | function ret(style, tp) {type = tp; return style;} |
| | | |
| | | function tokenBase(stream, state) { |
| | | var ch = stream.next(); |
| | | if (ch == "@") {stream.eatWhile(/[\w\\\-]/); return ret("meta", stream.current());} |
| | | else if (ch == "/" && stream.eat("*")) { |
| | | state.tokenize = tokenCComment; |
| | | return tokenCComment(stream, state); |
| | | } |
| | | else if (ch == "<" && stream.eat("!")) { |
| | | state.tokenize = tokenSGMLComment; |
| | | return tokenSGMLComment(stream, state); |
| | | } |
| | | else if (ch == "=") ret(null, "compare"); |
| | | else if ((ch == "~" || ch == "|") && stream.eat("=")) return ret(null, "compare"); |
| | | else if (ch == "\"" || ch == "'") { |
| | | state.tokenize = tokenString(ch); |
| | | return state.tokenize(stream, state); |
| | | } |
| | | else if (ch == "#") { |
| | | stream.eatWhile(/[\w\\\-]/); |
| | | return ret("atom", "hash"); |
| | | } |
| | | else if (ch == "!") { |
| | | stream.match(/^\s*\w*/); |
| | | return ret("keyword", "important"); |
| | | } |
| | | else if (/\d/.test(ch)) { |
| | | stream.eatWhile(/[\w.%]/); |
| | | return ret("number", "unit"); |
| | | } |
| | | else if (/[,.+>*\/]/.test(ch)) { |
| | | return ret(null, "select-op"); |
| | | } |
| | | else if (/[;{}:\[\]]/.test(ch)) { |
| | | return ret(null, ch); |
| | | } |
| | | else { |
| | | stream.eatWhile(/[\w\\\-]/); |
| | | return ret("variable", "variable"); |
| | | } |
| | | } |
| | | |
| | | function tokenCComment(stream, state) { |
| | | var maybeEnd = false, ch; |
| | | while ((ch = stream.next()) != null) { |
| | | if (maybeEnd && ch == "/") { |
| | | state.tokenize = tokenBase; |
| | | break; |
| | | } |
| | | maybeEnd = (ch == "*"); |
| | | } |
| | | return ret("comment", "comment"); |
| | | } |
| | | |
| | | function tokenSGMLComment(stream, state) { |
| | | var dashes = 0, ch; |
| | | while ((ch = stream.next()) != null) { |
| | | if (dashes >= 2 && ch == ">") { |
| | | state.tokenize = tokenBase; |
| | | break; |
| | | } |
| | | dashes = (ch == "-") ? dashes + 1 : 0; |
| | | } |
| | | return ret("comment", "comment"); |
| | | } |
| | | |
| | | function tokenString(quote) { |
| | | return function(stream, state) { |
| | | var escaped = false, ch; |
| | | while ((ch = stream.next()) != null) { |
| | | if (ch == quote && !escaped) |
| | | break; |
| | | escaped = !escaped && ch == "\\"; |
| | | } |
| | | if (!escaped) state.tokenize = tokenBase; |
| | | return ret("string", "string"); |
| | | }; |
| | | } |
| | | |
| | | return { |
| | | startState: function(base) { |
| | | return {tokenize: tokenBase, |
| | | baseIndent: base || 0, |
| | | stack: []}; |
| | | }, |
| | | |
| | | token: function(stream, state) { |
| | | if (stream.eatSpace()) return null; |
| | | var style = state.tokenize(stream, state); |
| | | |
| | | var context = state.stack[state.stack.length-1]; |
| | | if (type == "hash" && context == "rule") style = "atom"; |
| | | else if (style == "variable") { |
| | | if (context == "rule") style = "number"; |
| | | else if (!context || context == "@media{") style = "tag"; |
| | | } |
| | | |
| | | if (context == "rule" && /^[\{\};]$/.test(type)) |
| | | state.stack.pop(); |
| | | if (type == "{") { |
| | | if (context == "@media") state.stack[state.stack.length-1] = "@media{"; |
| | | else state.stack.push("{"); |
| | | } |
| | | else if (type == "}") state.stack.pop(); |
| | | else if (type == "@media") state.stack.push("@media"); |
| | | else if (context == "{" && type != "comment") state.stack.push("rule"); |
| | | return style; |
| | | }, |
| | | |
| | | indent: function(state, textAfter) { |
| | | var n = state.stack.length; |
| | | if (/^\}/.test(textAfter)) |
| | | n -= state.stack[state.stack.length-1] == "rule" ? 2 : 1; |
| | | return state.baseIndent + n * indentUnit; |
| | | }, |
| | | |
| | | electricChars: "}" |
| | | }; |
| | | }); |
| | | |
| | | CodeMirror.defineMIME("text/css", "css"); |
| | | CodeMirror.defineMode("htmlmixed", function(config, parserConfig) { |
| | | var htmlMode = CodeMirror.getMode(config, {name: "xml", htmlMode: true}); |
| | | var jsMode = CodeMirror.getMode(config, "javascript"); |
| | | var cssMode = CodeMirror.getMode(config, "css"); |
| | | |
| | | function html(stream, state) { |
| | | var style = htmlMode.token(stream, state.htmlState); |
| | | if (style == "tag" && stream.current() == ">" && state.htmlState.context) { |
| | | if (/^script$/i.test(state.htmlState.context.tagName)) { |
| | | state.token = javascript; |
| | | state.localState = jsMode.startState(htmlMode.indent(state.htmlState, "")); |
| | | state.mode = "javascript"; |
| | | } |
| | | else if (/^style$/i.test(state.htmlState.context.tagName)) { |
| | | state.token = css; |
| | | state.localState = cssMode.startState(htmlMode.indent(state.htmlState, "")); |
| | | state.mode = "css"; |
| | | } |
| | | } |
| | | return style; |
| | | } |
| | | function maybeBackup(stream, pat, style) { |
| | | var cur = stream.current(); |
| | | var close = cur.search(pat); |
| | | if (close > -1) stream.backUp(cur.length - close); |
| | | return style; |
| | | } |
| | | function javascript(stream, state) { |
| | | if (stream.match(/^<\/\s*script\s*>/i, false)) { |
| | | state.token = html; |
| | | state.curState = null; |
| | | state.mode = "html"; |
| | | return html(stream, state); |
| | | } |
| | | return maybeBackup(stream, /<\/\s*script\s*>/, |
| | | jsMode.token(stream, state.localState)); |
| | | } |
| | | function css(stream, state) { |
| | | if (stream.match(/^<\/\s*style\s*>/i, false)) { |
| | | state.token = html; |
| | | state.localState = null; |
| | | state.mode = "html"; |
| | | return html(stream, state); |
| | | } |
| | | return maybeBackup(stream, /<\/\s*style\s*>/, |
| | | cssMode.token(stream, state.localState)); |
| | | } |
| | | |
| | | return { |
| | | startState: function() { |
| | | var state = htmlMode.startState(); |
| | | return {token: html, localState: null, mode: "html", htmlState: state}; |
| | | }, |
| | | |
| | | copyState: function(state) { |
| | | if (state.localState) |
| | | var local = CodeMirror.copyState(state.token == css ? cssMode : jsMode, state.localState); |
| | | return {token: state.token, localState: local, mode: state.mode, |
| | | htmlState: CodeMirror.copyState(htmlMode, state.htmlState)}; |
| | | }, |
| | | |
| | | token: function(stream, state) { |
| | | return state.token(stream, state); |
| | | }, |
| | | |
| | | indent: function(state, textAfter) { |
| | | if (state.token == html || /^\s*<\//.test(textAfter)) |
| | | return htmlMode.indent(state.htmlState, textAfter); |
| | | else if (state.token == javascript) |
| | | return jsMode.indent(state.localState, textAfter); |
| | | else |
| | | return cssMode.indent(state.localState, textAfter); |
| | | }, |
| | | |
| | | compareStates: function(a, b) { |
| | | return htmlMode.compareStates(a.htmlState, b.htmlState); |
| | | }, |
| | | |
| | | electricChars: "/{}:" |
| | | } |
| | | }); |
| | | |
| | | CodeMirror.defineMIME("text/html", "htmlmixed"); |