karmaworld/apps/wysihtml5/static/wysihtml5/wysihtml-0.4.17/src/lang/string.js

   1 (function() {
   2   var WHITE_SPACE_START = /^\s+/,
   3       WHITE_SPACE_END   = /\s+$/,
   4       ENTITY_REG_EXP    = /[&<>\t"]/g,
   5       ENTITY_MAP = {
   6         '&': '&amp;',
   7         '<': '&lt;',
   8         '>': '&gt;',
   9         '"': "&quot;",
  10         '\t':"&nbsp; "
  11       };
  12   wysihtml5.lang.string = function(str) {
  13     str = String(str);
  14     return {
  15       /**
  16        * @example
  17        *    wysihtml5.lang.string("   foo   ").trim();
  18        *    // => "foo"
  19        */
  20       trim: function() {
  21         return str.replace(WHITE_SPACE_START, "").replace(WHITE_SPACE_END, "");
  22       },
  23
  24       /**
  25        * @example
  26        *    wysihtml5.lang.string("Hello #{name}").interpolate({ name: "Christopher" });
  27        *    // => "Hello Christopher"
  28        */
  29       interpolate: function(vars) {
  30         for (var i in vars) {
  31           str = this.replace("#{" + i + "}").by(vars[i]);
  32         }
  33         return str;
  34       },
  35
  36       /**
  37        * @example
  38        *    wysihtml5.lang.string("Hello Tom").replace("Tom").with("Hans");
  39        *    // => "Hello Hans"
  40        */
  41       replace: function(search) {
  42         return {
  43           by: function(replace) {
  44             return str.split(search).join(replace);
  45           }
  46         };
  47       },
  48
  49       /**
  50        * @example
  51        *    wysihtml5.lang.string("hello<br>").escapeHTML();
  52        *    // => "hello&lt;br&gt;"
  53        */
  54       escapeHTML: function(linebreaks, convertSpaces) {
  55         var html = str.replace(ENTITY_REG_EXP, function(c) { return ENTITY_MAP[c]; });
  56         if (linebreaks) {
  57           html = html.replace(/(?:\r\n|\r|\n)/g, '<br />');
  58         }
  59         if (convertSpaces) {
  60           html = html.replace(/  /gi, "&nbsp; ");
  61         }
  62         return html;
  63       }
  64     };
  65   };
  66 })();