Ext.ns('Ext.i18n');
/**
 * 
 * @class Ext.i18n.PropertyReader
 * @constructor
 * @param config.propertySeparator {String}. The String that is used as separator between key and value. Default " ". Optional
 */
Ext.i18n.PropertyReader = function(config){
	config = config || {};
	Ext.apply(this, config);
	
	var meta = config.meta || {};
	var recordType = config.recordType || {};
	
	//call super
	//for ExtJS 3.0 we need to define a meta object and recordType and pass them thru constructor. weird.
	Ext.i18n.PropertyReader.superclass.constructor.call(this, {meta:meta, recordType: recordType}); 
	
}

Ext.extend(Ext.i18n.PropertyReader, Ext.data.DataReader,{
	/**
	 * @cfg propertySeparator: {String}. Default: " ". Optional
	 */
	propertySeparator: " ",	

	read: function(response){
		var propertyFile = response.responseText;
		if(!propertyFile)
			throw {message: "PropertyReader.read: File not found"};
						
		return this.readRecords(propertyFile);
	},
	
	readRecords: function(propertyFile){
		var totalRecords = 0, success = true;
		var records = [];
		
		var f = this.readLines(propertyFile);
		
		for(var i = 0; i < f.length; i++){
			var key, value;
			kLim = f[i].indexOf(this.propertySeparator);
			key = String(f[i].substring(0, kLim));
			value = eval(f[i].substring(kLim+1));
			var record = new Ext.data.Record(value, key);
			records[i] = record;
		}
		
		
		return {
	        success : success,
	        records : records,
	        totalRecords : f.length || totalRecords
	    };
	
	},
	
	//private
	readLines: function(file){
		var aux = String(file).split('\n');
		var lines = new Array();
		
		for(var i = 0; i < aux.length; i++){
			if(aux[i].indexOf("#") < 0 || (aux[i].indexOf("#") < aux[i].indexOf("\""))){
				line = Ext.util.Format.trim(aux[i]);
				if(line.length > 0 )
					lines.push(Ext.util.Format.trim(aux[i]));
			}	
		}
		return lines;
	}

});