| | |
| | | package com.qcloud.cmq.Json; |
| | | |
| | | import java.io.BufferedReader; |
| | | import java.io.IOException; |
| | | import java.io.InputStream; |
| | | import java.io.InputStreamReader; |
| | | import java.io.Reader; |
| | | import java.io.StringReader; |
| | | |
| | | /* |
| | | Copyright (c) 2002 JSON.org |
| | | |
| | | Permission is hereby granted, free of charge, to any person obtaining a copy |
| | | of this software and associated documentation files (the "Software"), to deal |
| | | in the Software without restriction, including without limitation the rights |
| | | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| | | copies of the Software, and to permit persons to whom the Software is |
| | | furnished to do so, subject to the following conditions: |
| | | |
| | | The above copyright notice and this permission notice shall be included in all |
| | | copies or substantial portions of the Software. |
| | | |
| | | The Software shall be used for Good, not Evil. |
| | | |
| | | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| | | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| | | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| | | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| | | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| | | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| | | SOFTWARE. |
| | | */ |
| | | |
| | | /** |
| | | * A JSONTokener takes a source string and extracts characters and tokens from |
| | | * it. It is used by the JSONObject and JSONArray constructors to parse |
| | | * JSON source strings. |
| | | * @author JSON.org |
| | | * @version 2014-05-03 |
| | | */ |
| | | public class JSONTokener { |
| | | |
| | | private long character; |
| | | private boolean eof; |
| | | private long index; |
| | | private long line; |
| | | private char previous; |
| | | private Reader reader; |
| | | private boolean usePrevious; |
| | | |
| | | |
| | | /** |
| | | * Construct a JSONTokener from a Reader. |
| | | * |
| | | * @param reader A reader. |
| | | */ |
| | | public JSONTokener(Reader reader) { |
| | | this.reader = reader.markSupported() |
| | | ? reader |
| | | : new BufferedReader(reader); |
| | | this.eof = false; |
| | | this.usePrevious = false; |
| | | this.previous = 0; |
| | | this.index = 0; |
| | | this.character = 1; |
| | | this.line = 1; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Construct a JSONTokener from an InputStream. |
| | | * @param inputStream The source. |
| | | */ |
| | | public JSONTokener(InputStream inputStream) throws JSONException { |
| | | this(new InputStreamReader(inputStream)); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Construct a JSONTokener from a string. |
| | | * |
| | | * @param s A source string. |
| | | */ |
| | | public JSONTokener(String s) { |
| | | this(new StringReader(s)); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Back up one character. This provides a sort of lookahead capability, |
| | | * so that you can test for a digit or letter before attempting to parse |
| | | * the next number or identifier. |
| | | */ |
| | | public void back() throws JSONException { |
| | | if (this.usePrevious || this.index <= 0) { |
| | | throw new JSONException("Stepping back two steps is not supported"); |
| | | } |
| | | this.index -= 1; |
| | | this.character -= 1; |
| | | this.usePrevious = true; |
| | | this.eof = false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the hex value of a character (base16). |
| | | * @param c A character between '0' and '9' or between 'A' and 'F' or |
| | | * between 'a' and 'f'. |
| | | * @return An int between 0 and 15, or -1 if c was not a hex digit. |
| | | */ |
| | | public static int dehexchar(char c) { |
| | | if (c >= '0' && c <= '9') { |
| | | return c - '0'; |
| | | } |
| | | if (c >= 'A' && c <= 'F') { |
| | | return c - ('A' - 10); |
| | | } |
| | | if (c >= 'a' && c <= 'f') { |
| | | return c - ('a' - 10); |
| | | } |
| | | return -1; |
| | | } |
| | | |
| | | public boolean end() { |
| | | return this.eof && !this.usePrevious; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Determine if the source string still contains characters that next() |
| | | * can consume. |
| | | * @return true if not yet at the end of the source. |
| | | */ |
| | | public boolean more() throws JSONException { |
| | | this.next(); |
| | | if (this.end()) { |
| | | return false; |
| | | } |
| | | this.back(); |
| | | return true; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the next character in the source string. |
| | | * |
| | | * @return The next character, or 0 if past the end of the source string. |
| | | */ |
| | | public char next() throws JSONException { |
| | | int c; |
| | | if (this.usePrevious) { |
| | | this.usePrevious = false; |
| | | c = this.previous; |
| | | } else { |
| | | try { |
| | | c = this.reader.read(); |
| | | } catch (IOException exception) { |
| | | throw new JSONException(exception); |
| | | } |
| | | |
| | | if (c <= 0) { // End of stream |
| | | this.eof = true; |
| | | c = 0; |
| | | } |
| | | } |
| | | this.index += 1; |
| | | if (this.previous == '\r') { |
| | | this.line += 1; |
| | | this.character = c == '\n' ? 0 : 1; |
| | | } else if (c == '\n') { |
| | | this.line += 1; |
| | | this.character = 0; |
| | | } else { |
| | | this.character += 1; |
| | | } |
| | | this.previous = (char) c; |
| | | return this.previous; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Consume the next character, and check that it matches a specified |
| | | * character. |
| | | * @param c The character to match. |
| | | * @return The character. |
| | | * @throws JSONException if the character does not match. |
| | | */ |
| | | public char next(char c) throws JSONException { |
| | | char n = this.next(); |
| | | if (n != c) { |
| | | throw this.syntaxError("Expected '" + c + "' and instead saw '" + |
| | | n + "'"); |
| | | } |
| | | return n; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the next n characters. |
| | | * |
| | | * @param n The number of characters to take. |
| | | * @return A string of n characters. |
| | | * @throws JSONException |
| | | * Substring bounds error if there are not |
| | | * n characters remaining in the source string. |
| | | */ |
| | | public String next(int n) throws JSONException { |
| | | if (n == 0) { |
| | | return ""; |
| | | } |
| | | |
| | | char[] chars = new char[n]; |
| | | int pos = 0; |
| | | |
| | | while (pos < n) { |
| | | chars[pos] = this.next(); |
| | | if (this.end()) { |
| | | throw this.syntaxError("Substring bounds error"); |
| | | } |
| | | pos += 1; |
| | | } |
| | | return new String(chars); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the next char in the string, skipping whitespace. |
| | | * @throws JSONException |
| | | * @return A character, or 0 if there are no more characters. |
| | | */ |
| | | public char nextClean() throws JSONException { |
| | | for (;;) { |
| | | char c = this.next(); |
| | | if (c == 0 || c > ' ') { |
| | | return c; |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Return the characters up to the next close quote character. |
| | | * Backslash processing is done. The formal JSON format does not |
| | | * allow strings in single quotes, but an implementation is allowed to |
| | | * accept them. |
| | | * @param quote The quoting character, either |
| | | * <code>"</code> <small>(double quote)</small> or |
| | | * <code>'</code> <small>(single quote)</small>. |
| | | * @return A String. |
| | | * @throws JSONException Unterminated string. |
| | | */ |
| | | public String nextString(char quote) throws JSONException { |
| | | char c; |
| | | StringBuilder sb = new StringBuilder(); |
| | | for (;;) { |
| | | c = this.next(); |
| | | switch (c) { |
| | | case 0: |
| | | case '\n': |
| | | case '\r': |
| | | throw this.syntaxError("Unterminated string"); |
| | | case '\\': |
| | | c = this.next(); |
| | | switch (c) { |
| | | case 'b': |
| | | sb.append('\b'); |
| | | break; |
| | | case 't': |
| | | sb.append('\t'); |
| | | break; |
| | | case 'n': |
| | | sb.append('\n'); |
| | | break; |
| | | case 'f': |
| | | sb.append('\f'); |
| | | break; |
| | | case 'r': |
| | | sb.append('\r'); |
| | | break; |
| | | case 'u': |
| | | sb.append((char)Integer.parseInt(this.next(4), 16)); |
| | | break; |
| | | case '"': |
| | | case '\'': |
| | | case '\\': |
| | | case '/': |
| | | sb.append(c); |
| | | break; |
| | | default: |
| | | throw this.syntaxError("Illegal escape."); |
| | | } |
| | | break; |
| | | default: |
| | | if (c == quote) { |
| | | return sb.toString(); |
| | | } |
| | | sb.append(c); |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the text up but not including the specified character or the |
| | | * end of line, whichever comes first. |
| | | * @param delimiter A delimiter character. |
| | | * @return A string. |
| | | */ |
| | | public String nextTo(char delimiter) throws JSONException { |
| | | StringBuilder sb = new StringBuilder(); |
| | | for (;;) { |
| | | char c = this.next(); |
| | | if (c == delimiter || c == 0 || c == '\n' || c == '\r') { |
| | | if (c != 0) { |
| | | this.back(); |
| | | } |
| | | return sb.toString().trim(); |
| | | } |
| | | sb.append(c); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the text up but not including one of the specified delimiter |
| | | * characters or the end of line, whichever comes first. |
| | | * @param delimiters A set of delimiter characters. |
| | | * @return A string, trimmed. |
| | | */ |
| | | public String nextTo(String delimiters) throws JSONException { |
| | | char c; |
| | | StringBuilder sb = new StringBuilder(); |
| | | for (;;) { |
| | | c = this.next(); |
| | | if (delimiters.indexOf(c) >= 0 || c == 0 || |
| | | c == '\n' || c == '\r') { |
| | | if (c != 0) { |
| | | this.back(); |
| | | } |
| | | return sb.toString().trim(); |
| | | } |
| | | sb.append(c); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the next value. The value can be a Boolean, Double, Integer, |
| | | * JSONArray, JSONObject, Long, or String, or the JSONObject.NULL object. |
| | | * @throws JSONException If syntax error. |
| | | * |
| | | * @return An object. |
| | | */ |
| | | public Object nextValue() throws JSONException { |
| | | char c = this.nextClean(); |
| | | String string; |
| | | |
| | | switch (c) { |
| | | case '"': |
| | | case '\'': |
| | | return this.nextString(c); |
| | | case '{': |
| | | this.back(); |
| | | return new JSONObject(this); |
| | | case '[': |
| | | this.back(); |
| | | return new JSONArray(this); |
| | | } |
| | | |
| | | /* |
| | | * Handle unquoted text. This could be the values true, false, or |
| | | * null, or it can be a number. An implementation (such as this one) |
| | | * is allowed to also accept non-standard forms. |
| | | * |
| | | * Accumulate characters until we reach the end of the text or a |
| | | * formatting character. |
| | | */ |
| | | |
| | | StringBuilder sb = new StringBuilder(); |
| | | while (c >= ' ' && ",:]}/\\\"[{;=#".indexOf(c) < 0) { |
| | | sb.append(c); |
| | | c = this.next(); |
| | | } |
| | | this.back(); |
| | | |
| | | string = sb.toString().trim(); |
| | | if ("".equals(string)) { |
| | | throw this.syntaxError("Missing value"); |
| | | } |
| | | return JSONObject.stringToValue(string); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Skip characters until the next character is the requested character. |
| | | * If the requested character is not found, no characters are skipped. |
| | | * @param to A character to skip to. |
| | | * @return The requested character, or zero if the requested character |
| | | * is not found. |
| | | */ |
| | | public char skipTo(char to) throws JSONException { |
| | | char c; |
| | | try { |
| | | long startIndex = this.index; |
| | | long startCharacter = this.character; |
| | | long startLine = this.line; |
| | | this.reader.mark(1000000); |
| | | do { |
| | | c = this.next(); |
| | | if (c == 0) { |
| | | this.reader.reset(); |
| | | this.index = startIndex; |
| | | this.character = startCharacter; |
| | | this.line = startLine; |
| | | return c; |
| | | } |
| | | } while (c != to); |
| | | } catch (IOException exception) { |
| | | throw new JSONException(exception); |
| | | } |
| | | this.back(); |
| | | return c; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Make a JSONException to signal a syntax error. |
| | | * |
| | | * @param message The error message. |
| | | * @return A JSONException object, suitable for throwing |
| | | */ |
| | | public JSONException syntaxError(String message) { |
| | | return new JSONException(message + this.toString()); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Make a printable string of this JSONTokener. |
| | | * |
| | | * @return " at {index} [character {character} line {line}]" |
| | | */ |
| | | public String toString() { |
| | | return " at " + this.index + " [character " + this.character + " line " + |
| | | this.line + "]"; |
| | | } |
| | | } |
| | | package com.qcloud.cmq.Json;
|
| | |
|
| | | import java.io.BufferedReader;
|
| | | import java.io.IOException;
|
| | | import java.io.InputStream;
|
| | | import java.io.InputStreamReader;
|
| | | import java.io.Reader;
|
| | | import java.io.StringReader;
|
| | |
|
| | | /*
|
| | | Copyright (c) 2002 JSON.org
|
| | |
|
| | | Permission is hereby granted, free of charge, to any person obtaining a copy
|
| | | of this software and associated documentation files (the "Software"), to deal
|
| | | in the Software without restriction, including without limitation the rights
|
| | | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
| | | copies of the Software, and to permit persons to whom the Software is
|
| | | furnished to do so, subject to the following conditions:
|
| | |
|
| | | The above copyright notice and this permission notice shall be included in all
|
| | | copies or substantial portions of the Software.
|
| | |
|
| | | The Software shall be used for Good, not Evil.
|
| | |
|
| | | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
| | | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
| | | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
| | | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
| | | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
| | | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
| | | SOFTWARE.
|
| | | */
|
| | |
|
| | | /**
|
| | | * A JSONTokener takes a source string and extracts characters and tokens from
|
| | | * it. It is used by the JSONObject and JSONArray constructors to parse
|
| | | * JSON source strings.
|
| | | * @author JSON.org
|
| | | * @version 2014-05-03
|
| | | */
|
| | | public class JSONTokener {
|
| | |
|
| | | private long character;
|
| | | private boolean eof;
|
| | | private long index;
|
| | | private long line;
|
| | | private char previous;
|
| | | private Reader reader;
|
| | | private boolean usePrevious;
|
| | |
|
| | |
|
| | | /**
|
| | | * Construct a JSONTokener from a Reader.
|
| | | *
|
| | | * @param reader A reader.
|
| | | */
|
| | | public JSONTokener(Reader reader) {
|
| | | this.reader = reader.markSupported()
|
| | | ? reader
|
| | | : new BufferedReader(reader);
|
| | | this.eof = false;
|
| | | this.usePrevious = false;
|
| | | this.previous = 0;
|
| | | this.index = 0;
|
| | | this.character = 1;
|
| | | this.line = 1;
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Construct a JSONTokener from an InputStream.
|
| | | * @param inputStream The source.
|
| | | */
|
| | | public JSONTokener(InputStream inputStream) throws JSONException {
|
| | | this(new InputStreamReader(inputStream));
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Construct a JSONTokener from a string.
|
| | | *
|
| | | * @param s A source string.
|
| | | */
|
| | | public JSONTokener(String s) {
|
| | | this(new StringReader(s));
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Back up one character. This provides a sort of lookahead capability,
|
| | | * so that you can test for a digit or letter before attempting to parse
|
| | | * the next number or identifier.
|
| | | */
|
| | | public void back() throws JSONException {
|
| | | if (this.usePrevious || this.index <= 0) {
|
| | | throw new JSONException("Stepping back two steps is not supported");
|
| | | }
|
| | | this.index -= 1;
|
| | | this.character -= 1;
|
| | | this.usePrevious = true;
|
| | | this.eof = false;
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Get the hex value of a character (base16).
|
| | | * @param c A character between '0' and '9' or between 'A' and 'F' or
|
| | | * between 'a' and 'f'.
|
| | | * @return An int between 0 and 15, or -1 if c was not a hex digit.
|
| | | */
|
| | | public static int dehexchar(char c) {
|
| | | if (c >= '0' && c <= '9') {
|
| | | return c - '0';
|
| | | }
|
| | | if (c >= 'A' && c <= 'F') {
|
| | | return c - ('A' - 10);
|
| | | }
|
| | | if (c >= 'a' && c <= 'f') {
|
| | | return c - ('a' - 10);
|
| | | }
|
| | | return -1;
|
| | | }
|
| | |
|
| | | public boolean end() {
|
| | | return this.eof && !this.usePrevious;
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Determine if the source string still contains characters that next()
|
| | | * can consume.
|
| | | * @return true if not yet at the end of the source.
|
| | | */
|
| | | public boolean more() throws JSONException {
|
| | | this.next();
|
| | | if (this.end()) {
|
| | | return false;
|
| | | }
|
| | | this.back();
|
| | | return true;
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Get the next character in the source string.
|
| | | *
|
| | | * @return The next character, or 0 if past the end of the source string.
|
| | | */
|
| | | public char next() throws JSONException {
|
| | | int c;
|
| | | if (this.usePrevious) {
|
| | | this.usePrevious = false;
|
| | | c = this.previous;
|
| | | } else {
|
| | | try {
|
| | | c = this.reader.read();
|
| | | } catch (IOException exception) {
|
| | | throw new JSONException(exception);
|
| | | }
|
| | |
|
| | | if (c <= 0) { // End of stream
|
| | | this.eof = true;
|
| | | c = 0;
|
| | | }
|
| | | }
|
| | | this.index += 1;
|
| | | if (this.previous == '\r') {
|
| | | this.line += 1;
|
| | | this.character = c == '\n' ? 0 : 1;
|
| | | } else if (c == '\n') {
|
| | | this.line += 1;
|
| | | this.character = 0;
|
| | | } else {
|
| | | this.character += 1;
|
| | | }
|
| | | this.previous = (char) c;
|
| | | return this.previous;
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Consume the next character, and check that it matches a specified
|
| | | * character.
|
| | | * @param c The character to match.
|
| | | * @return The character.
|
| | | * @throws JSONException if the character does not match.
|
| | | */
|
| | | public char next(char c) throws JSONException {
|
| | | char n = this.next();
|
| | | if (n != c) {
|
| | | throw this.syntaxError("Expected '" + c + "' and instead saw '" +
|
| | | n + "'");
|
| | | }
|
| | | return n;
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Get the next n characters.
|
| | | *
|
| | | * @param n The number of characters to take.
|
| | | * @return A string of n characters.
|
| | | * @throws JSONException
|
| | | * Substring bounds error if there are not
|
| | | * n characters remaining in the source string.
|
| | | */
|
| | | public String next(int n) throws JSONException {
|
| | | if (n == 0) {
|
| | | return "";
|
| | | }
|
| | |
|
| | | char[] chars = new char[n];
|
| | | int pos = 0;
|
| | |
|
| | | while (pos < n) {
|
| | | chars[pos] = this.next();
|
| | | if (this.end()) {
|
| | | throw this.syntaxError("Substring bounds error");
|
| | | }
|
| | | pos += 1;
|
| | | }
|
| | | return new String(chars);
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Get the next char in the string, skipping whitespace.
|
| | | * @throws JSONException
|
| | | * @return A character, or 0 if there are no more characters.
|
| | | */
|
| | | public char nextClean() throws JSONException {
|
| | | for (;;) {
|
| | | char c = this.next();
|
| | | if (c == 0 || c > ' ') {
|
| | | return c;
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Return the characters up to the next close quote character.
|
| | | * Backslash processing is done. The formal JSON format does not
|
| | | * allow strings in single quotes, but an implementation is allowed to
|
| | | * accept them.
|
| | | * @param quote The quoting character, either
|
| | | * <code>"</code> <small>(double quote)</small> or
|
| | | * <code>'</code> <small>(single quote)</small>.
|
| | | * @return A String.
|
| | | * @throws JSONException Unterminated string.
|
| | | */
|
| | | public String nextString(char quote) throws JSONException {
|
| | | char c;
|
| | | StringBuilder sb = new StringBuilder();
|
| | | for (;;) {
|
| | | c = this.next();
|
| | | switch (c) {
|
| | | case 0:
|
| | | case '\n':
|
| | | case '\r':
|
| | | throw this.syntaxError("Unterminated string");
|
| | | case '\\':
|
| | | c = this.next();
|
| | | switch (c) {
|
| | | case 'b':
|
| | | sb.append('\b');
|
| | | break;
|
| | | case 't':
|
| | | sb.append('\t');
|
| | | break;
|
| | | case 'n':
|
| | | sb.append('\n');
|
| | | break;
|
| | | case 'f':
|
| | | sb.append('\f');
|
| | | break;
|
| | | case 'r':
|
| | | sb.append('\r');
|
| | | break;
|
| | | case 'u':
|
| | | sb.append((char)Integer.parseInt(this.next(4), 16));
|
| | | break;
|
| | | case '"':
|
| | | case '\'':
|
| | | case '\\':
|
| | | case '/':
|
| | | sb.append(c);
|
| | | break;
|
| | | default:
|
| | | throw this.syntaxError("Illegal escape.");
|
| | | }
|
| | | break;
|
| | | default:
|
| | | if (c == quote) {
|
| | | return sb.toString();
|
| | | }
|
| | | sb.append(c);
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Get the text up but not including the specified character or the
|
| | | * end of line, whichever comes first.
|
| | | * @param delimiter A delimiter character.
|
| | | * @return A string.
|
| | | */
|
| | | public String nextTo(char delimiter) throws JSONException {
|
| | | StringBuilder sb = new StringBuilder();
|
| | | for (;;) {
|
| | | char c = this.next();
|
| | | if (c == delimiter || c == 0 || c == '\n' || c == '\r') {
|
| | | if (c != 0) {
|
| | | this.back();
|
| | | }
|
| | | return sb.toString().trim();
|
| | | }
|
| | | sb.append(c);
|
| | | }
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Get the text up but not including one of the specified delimiter
|
| | | * characters or the end of line, whichever comes first.
|
| | | * @param delimiters A set of delimiter characters.
|
| | | * @return A string, trimmed.
|
| | | */
|
| | | public String nextTo(String delimiters) throws JSONException {
|
| | | char c;
|
| | | StringBuilder sb = new StringBuilder();
|
| | | for (;;) {
|
| | | c = this.next();
|
| | | if (delimiters.indexOf(c) >= 0 || c == 0 ||
|
| | | c == '\n' || c == '\r') {
|
| | | if (c != 0) {
|
| | | this.back();
|
| | | }
|
| | | return sb.toString().trim();
|
| | | }
|
| | | sb.append(c);
|
| | | }
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Get the next value. The value can be a Boolean, Double, Integer,
|
| | | * JSONArray, JSONObject, Long, or String, or the JSONObject.NULL object.
|
| | | * @throws JSONException If syntax error.
|
| | | *
|
| | | * @return An object.
|
| | | */
|
| | | public Object nextValue() throws JSONException {
|
| | | char c = this.nextClean();
|
| | | String string;
|
| | |
|
| | | switch (c) {
|
| | | case '"':
|
| | | case '\'':
|
| | | return this.nextString(c);
|
| | | case '{':
|
| | | this.back();
|
| | | return new JSONObject(this);
|
| | | case '[':
|
| | | this.back();
|
| | | return new JSONArray(this);
|
| | | }
|
| | |
|
| | | /*
|
| | | * Handle unquoted text. This could be the values true, false, or
|
| | | * null, or it can be a number. An implementation (such as this one)
|
| | | * is allowed to also accept non-standard forms.
|
| | | *
|
| | | * Accumulate characters until we reach the end of the text or a
|
| | | * formatting character.
|
| | | */
|
| | |
|
| | | StringBuilder sb = new StringBuilder();
|
| | | while (c >= ' ' && ",:]}/\\\"[{;=#".indexOf(c) < 0) {
|
| | | sb.append(c);
|
| | | c = this.next();
|
| | | }
|
| | | this.back();
|
| | |
|
| | | string = sb.toString().trim();
|
| | | if ("".equals(string)) {
|
| | | throw this.syntaxError("Missing value");
|
| | | }
|
| | | return JSONObject.stringToValue(string);
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Skip characters until the next character is the requested character.
|
| | | * If the requested character is not found, no characters are skipped.
|
| | | * @param to A character to skip to.
|
| | | * @return The requested character, or zero if the requested character
|
| | | * is not found.
|
| | | */
|
| | | public char skipTo(char to) throws JSONException {
|
| | | char c;
|
| | | try {
|
| | | long startIndex = this.index;
|
| | | long startCharacter = this.character;
|
| | | long startLine = this.line;
|
| | | this.reader.mark(1000000);
|
| | | do {
|
| | | c = this.next();
|
| | | if (c == 0) {
|
| | | this.reader.reset();
|
| | | this.index = startIndex;
|
| | | this.character = startCharacter;
|
| | | this.line = startLine;
|
| | | return c;
|
| | | }
|
| | | } while (c != to);
|
| | | } catch (IOException exception) {
|
| | | throw new JSONException(exception);
|
| | | }
|
| | | this.back();
|
| | | return c;
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Make a JSONException to signal a syntax error.
|
| | | *
|
| | | * @param message The error message.
|
| | | * @return A JSONException object, suitable for throwing
|
| | | */
|
| | | public JSONException syntaxError(String message) {
|
| | | return new JSONException(message + this.toString());
|
| | | }
|
| | |
|
| | |
|
| | | /**
|
| | | * Make a printable string of this JSONTokener.
|
| | | *
|
| | | * @return " at {index} [character {character} line {line}]"
|
| | | */
|
| | | public String toString() {
|
| | | return " at " + this.index + " [character " + this.character + " line " +
|
| | | this.line + "]";
|
| | | }
|
| | | }
|