SOURCE CODE: Uize.Parse.Xml.Text (view docs)

/*______________
|       ______  |   U I Z E    J A V A S C R I P T    F R A M E W O R K
|     /      /  |   ---------------------------------------------------
|    /    O /   |    MODULE : Uize.Parse.Xml.Text Class
|   /    / /    |
|  /    / /  /| |    ONLINE : http://www.uize.com
| /____/ /__/_| | COPYRIGHT : (c)2014-2016 UIZE
|          /___ |   LICENSE : Available under MIT License or GNU General Public License
|_______________|             http://www.uize.com/license.html
*/

/* Module Meta Data
  type: Class
  importance: 4
  codeCompleteness: 100
  docCompleteness: 2
*/

/*?
  Introduction
    The =Uize.Parse.Xml.Text= module provides methods for parsing and serializing text nodes of XML documents.

    *DEVELOPERS:* `Chris van Rensburg`
*/

Uize.module ({
  name:'Uize.Parse.Xml.Text',
  superclass:'Uize.Parse.Base',
  required:[
    'Uize.Str.Replace',
    'Uize.Util.Html.Encode'
  ],
  builder:function (_superclass) {
    'use strict';

    var
      /*** Variables for Performance Optimization ***/
        _htmlEncode = Uize.Str.Replace.replacerByLookup ({
          '&':'&',
          '<':'&lt;',
          '>':'&gt;'
        }),
        _htmlDecode = Uize.Util.Html.Encode.decode
    ;

    return _superclass.subclass ({
      instanceProperties:{
        text:''
      },

      instanceMethods:{
        parse:function (_source,_index) {
          var
            m = this,
            _sourceLength = (m.source = _source).length
          ;
          m.index = _index || (_index = 0);
          if (m.isValid = _source.charAt (_index) != '<') {
            var _endPos = ((_source.indexOf ('<',_index + 1)) + 1 || _sourceLength + 1) - 1;
            m.text = _htmlDecode (_source.slice (_index,_endPos));
            m.length = _endPos - _index;
          } else {
            m.text = '';
            m.length = 0;
          }
        },

        serialize:function () {
          return _htmlEncode (this.text);
        }
      }
    });
  }
});