DIR : /home/kozerus/public_html/pn/uize/site-source/js/Uize/Parse/Xml/TagOrAttributeName.js

/home/kozerus/public_html/pn/uize/site-source/js/Uize/Parse/Xml

/*______________
|       ______  |   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.TagOrAttributeName 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.TagOrAttributeName= module provides methods for parsing and serializing tag names or attribute names of XML tags.

		*DEVELOPERS:* `Chris van Rensburg`
*/

Uize.module ({
	name:'Uize.Parse.Xml.TagOrAttributeName',
	superclass:'Uize.Parse.Base',
	builder:function (_superclass) {
		'use strict';

		var
			/*** General Variables ***/
				_tagNameStartChars = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
				_tagNameStartCharsLookup = _charsLookup (_tagNameStartChars),
				_tagNameContinueCharsLookup = _charsLookup (_tagNameStartChars + '-0123456789')
		;

		/*** Utility Functions ***/
			function _charsLookup (_charsStr) {
				return Uize.lookup (_charsStr.split (''));
			}

		return _superclass.subclass ({
			instanceProperties:{
				namespace:'',
				name:''
			},

			instanceMethods:{
				parse:function (_source,_index) {
					var
						m = this,
						_sourceLength = (m.source = _source).length
					;
					m.index = _index || (_index = 0);
					m.namespace = m.name = '';
					m.isValid = false;
					if (_tagNameStartCharsLookup [_source.charAt (_index)]) {
						m.isValid = true;
						_index++;
						while (_index < _sourceLength && _tagNameContinueCharsLookup [_source.charAt (_index)])
							_index++
						;
						if (_source.charAt (_index) == ':') {
							m.namespace = _source.slice (m.index,_index);
							var _namePos = ++_index;
							if (_tagNameStartCharsLookup [_source.charAt (_index)]) {
								_index++;
								while (_index < _sourceLength && _tagNameContinueCharsLookup [_source.charAt (_index)])
									_index++
								;
								m.name = _source.slice (_namePos,_index);
							}
						} else {
							m.name = _source.slice (m.index,_index);
						}
						m.length = _index - m.index;
					}
				},

				serialize:function () {
					var m = this;
					return m.isValid ? (m.namespace + (m.namespace && ':') + m.name) : '';
				}
			}
		});
	}
});