<?
/**
* XML to array Generator Class
* 
* Adapted from GPL'd class by MA Razzaque Rupom <rupom_315@yahoo.com>, <rupom.bd@gmail.com>
* http://groups.yahoo.com/group/phpresource/
* http://www.rupom.info
* http://www.weberdev.com/get_example-4416.html
* 
* @package		Ai_Base_Library
* @author		Version 20110518, costmo
* @since 		20110518
*/
class AiXmlToArray
{ 
	var $xml='';
	
	/**
	* Default Constructor
	* @param $xml = xml data
	* @return void
	*/
	function __construct( $xml )
	{
		$this->xml = $xml;   
	}

	/**
	* _struct_to_array($values, &$i)
	*
	* This is adds the contents of the return xml into the array for easier processing.
	* Recursive, Static
	*
	* @access    private
	* @param    array  $values this is the xml data in an array
	* @param    int    $i  this is the current location in the array
	* @return    Array
	*/
	function _struct_to_array( $values, &$i )
	{
		$child = array();
		if( isset( $values[$i]['value'] ) )
		{
			array_push( $child, $values[$i]['value'] );
		}
		
		while( $i++ < count( $values ) )
		{
			switch( $values[$i]['type'] )
			{
				case 'cdata':
					array_push( $child, $values[$i]['value'] );
					break;
				
				case 'complete':
					$name = $values[$i]['tag'];
					if( !empty( $name ) )
					{
						$child[$name]= ($values[$i]['value'])?($values[$i]['value']):'';
						if( isset( $values[$i]['attributes'] ) )
						{                   
							$child[$name] = $values[$i]['attributes'];
						}
					}   
					break;
				   
				case 'open':
					$name = $values[$i]['tag'];
					$size = isset( $child[$name] ) ? sizeof( $child[$name] ) : 0;
					$child[$name][$size] = $this->_struct_to_array( $values, $i );
					break;
				
				case 'close':
					return $child;
					break;
			}
		}
		return $child;
	} //_struct_to_array

	/**
	* createArray($data)
	*
	* This is adds the contents of the return xml into the array for easier processing.
	*
	* @access    public
	* @param    string    $data this is the string of the xml data
	* @return    Array
	*/
	function createArray()
	{
		$xml    = $this->xml;
		$values = array();
		$index  = array();
		$array  = array();
		$parser = xml_parser_create();
		xml_parser_set_option( $parser, XML_OPTION_SKIP_WHITE, 1 );
		xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, 0 );
		xml_parse_into_struct( $parser, $xml, $values, $index );
		xml_parser_free( $parser );
		$i = 0;
		$name = $values[$i]['tag'];
		$array[$name] = isset( $values[$i]['attributes'] ) ? $values[$i]['attributes'] : '';
		$array[$name] = $this->_struct_to_array( $values, $i );
		return $array;
	}//createArray


}//XmlToArray
?>