review.tizen.org Git - platform/framework/web/crosswalk-tizen.git/blob

   1 /*!
   2         strip-json-comments
   3         Strip comments from JSON. Lets you use comments in your JSON files!
   4         https://github.com/sindresorhus/strip-json-comments
   5         by Sindre Sorhus
   6         MIT License
   7 */
   8 (function () {
   9         'use strict';
  10
  11         function stripJsonComments(str) {
  12                 var currentChar;
  13                 var nextChar;
  14                 var insideString = false;
  15                 var insideComment = false;
  16                 var ret = '';
  17
  18                 for (var i = 0; i < str.length; i++) {
  19                         currentChar = str[i];
  20                         nextChar = str[i + 1];
  21
  22                         if (!insideComment && str[i - 1] !== '\\' && currentChar === '"') {
  23                                 insideString = !insideString;
  24                         }
  25
  26                         if (insideString) {
  27                                 ret += currentChar;
  28                                 continue;
  29                         }
  30
  31                         if (!insideComment && currentChar + nextChar === '//') {
  32                                 insideComment = 'single';
  33                                 i++;
  34                         } else if (insideComment === 'single' && currentChar + nextChar === '\r\n') {
  35                                 insideComment = false;
  36                                 i++;
  37                                 ret += currentChar;
  38                                 ret += nextChar;
  39                                 continue;
  40                         } else if (insideComment === 'single' && currentChar === '\n') {
  41                                 insideComment = false;
  42                         } else if (!insideComment && currentChar + nextChar === '/*') {
  43                                 insideComment = 'multi';
  44                                 i++;
  45                                 continue;
  46                         } else if (insideComment === 'multi' && currentChar + nextChar === '*/') {
  47                                 insideComment = false;
  48                                 i++;
  49                                 continue;
  50                         }
  51
  52                         if (insideComment) {
  53                                 continue;
  54                         }
  55
  56                         ret += currentChar;
  57                 }
  58
  59                 return ret;
  60         }
  61
  62         if (typeof module !== 'undefined' && module.exports) {
  63                 module.exports = stripJsonComments;
  64         } else {
  65                 window.stripJsonComments = stripJsonComments;
  66         }
  67 })();