//
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// Util.m
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// Created by 杜文 on 16/12/27.
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// Copyright © 2016年 杜文. All rights reserved.
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//
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#import "JSBUtil.h"
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#import <objc/runtime.h>
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#import "DWKWebView.h"
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@implementation JSBUtil
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+ (NSString *)objToJsonString:(id)dict {
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NSString *jsonString = nil;
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NSError *error;
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if (![NSJSONSerialization isValidJSONObject:dict]) {
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return @"{}";
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}
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NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict options:NSJSONWritingPrettyPrinted error:&error];
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if (!jsonData) {
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return @"{}";
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}
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jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
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return jsonString;
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}
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//get this class all method
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+ (NSArray *)allMethodFromClass:(Class)class {
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NSMutableArray *methods = [NSMutableArray array];
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while (class) {
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unsigned int count = 0;
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Method *method = class_copyMethodList(class, &count);
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for (unsigned int i = 0; i < count; i++) {
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SEL name1 = method_getName(method[i]);
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const char *selName= sel_getName(name1);
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NSString *strName = [NSString stringWithCString:selName encoding:NSUTF8StringEncoding];
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[methods addObject:strName];
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}
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free(method);
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Class cls = class_getSuperclass(class);
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class = [NSStringFromClass(cls) isEqualToString:NSStringFromClass([NSObject class])] ? nil : cls;
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}
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return [NSArray arrayWithArray:methods];
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}
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//return method name for xxx: or xxx:handle:
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+(NSString *)methodByNameArg:(NSInteger)argNum selName:(NSString *)selName classes:(Class)classes
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{
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NSString *result = nil;
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if(classes){
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NSArray *arr = [JSBUtil allMethodFromClass:classes];
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for (int i=0; i<arr.count; i++) {
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NSString *method = arr[i];
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NSArray *tmpArr = [method componentsSeparatedByString:@":"];
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NSRange range = [method rangeOfString:@":"];
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if (range.length > 0) {
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NSString *methodName = [method substringWithRange:NSMakeRange(0, range.location)];
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if ([methodName isEqualToString:selName] && tmpArr.count == (argNum + 1)) {
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result = method;
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return result;
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}
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}
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}
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}
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return result;
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}
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+ (NSArray *)parseNamespace: (NSString *) method{
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NSRange range=[method rangeOfString:@"." options:NSBackwardsSearch];
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NSString *namespace=@"";
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if(range.location!=NSNotFound){
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namespace=[method substringToIndex:range.location];
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method=[method substringFromIndex:range.location+1];
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}
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return @[namespace,method];
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}
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+ (id )jsonStringToObject:(NSString *)jsonString
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{
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if (jsonString == nil) {
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return nil;
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}
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NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
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NSError *err;
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NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
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options:NSJSONReadingMutableContainers
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error:&err];
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if(err)
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{
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NSLog(@"json解析失败：%@",err);
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return nil;
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}
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return dic;
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}
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@end
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