# encoding: utf-8import jsonimport reimport sysreload(sys)sys.setdefaultencoding('utf8')CAUTION_PRINT_HEAD = 'caution: '# 创建一个xstr类，用于处理从文件中读出的字符串class xstr: def __init__(self, instr): self.instr = instr # 删除“//”标志后的注释 def rmCmt(self): qtCnt = cmtPos = slashPos = 0 rearLine = self.instr # rearline: 前一个“//”之后的字符串， # 双引号里的“//”不是注释标志，所以遇到这种情况，仍需继续查找后续的“//” while rearLine.find('//') >= 0: # 查找“//” slashPos = rearLine.find('//') cmtPos += slashPos # print 'slashPos: ' + str(slashPos) headLine = rearLine[:slashPos] while headLine.find('"') >= 0: # 查找“//”前的双引号 qtPos = headLine.find('"') if not self.isEscapeOpr(headLine[:qtPos]): # 如果双引号没有被转义 qtCnt += 1 # 双引号的数量加1 headLine = headLine[qtPos+1:] # print qtCnt if qtCnt % 2 == 0: # 如果双引号的数量为偶数，则说明“//”是注释标志 # print self.instr[:cmtPos] return self.instr[:cmtPos] rearLine = rearLine[slashPos+2:] # print rearLine cmtPos += 2 # print self.instr return self.instr # 判断是否为转义字符 def isEscapeOpr(self, instr): if len(instr) <= 0: return False cnt = 0 while instr[-1] == '//': cnt += 1 instr = instr[:-1] if cnt % 2 == 1: return True else: return False# 从json文件的路径JsonPath读取该文件，返回json对象def loadJson(JsonPath): try: srcJson = open(JsonPath, 'r') except: print CAUTION_PRINT_HEAD + 'cannot open ' + JsonPath quit() dstJsonStr = '' for line in srcJson.readlines(): if not re.match(r'/s*//', line) and not re.match(r'/s*/n', line): xline = xstr(line) dstJsonStr += xline.rmCmt() # print dstJsonStr dstJson = {} try: dstJson = json.loads(dstJsonStr) return dstJson except: print CAUTION_PRINT_HEAD + JsonPath + ' is not a valid json file' quit()# 带缩进地在屏幕输出json字符串def printRes(resStr): resStr = resStr.replace(',', ',/n') resStr = resStr.replace('{', '{/n') resStr = resStr.replace(':{', ':/n{') resStr = resStr.replace('}', '/n}') resStr = resStr.replace('[', '/n[/n') resStr = resStr.replace(']', '/n]') resStr = resStr resArray = resStr.split('/n') preBlank = '' for line in resArray: if len(line) == 0: continue lastChar = line[len(line)-1] lastTwoChars = line[len(line)-2:] if lastChar in {'}', ']'} or lastTwoChars in {'},', '],'}: preBlank = preBlank[:len(preBlank)-2] try: print preBlank + line.decode('utf-8') except: print(preBlank + '[%This line cannot be decoded%]') if lastChar == '{' or lastChar == '[': preBlank += ' '*2 
