<?php
/**
 * My Handy Restaurant
 *
 * http://www.myhandyrestaurant.org
 *
 * My Handy Restaurant is a restaurant complete management tool.
 * Visit {@link http://www.myhandyrestaurant.org} for more info.
 * Copyright (C) 2003-2005 Fabio De Pascale
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * @author		Fabio 'Kilyerd' De Pascale <hide@address.com>
 * @package		MyHandyRestaurant
 * @copyright		Copyright 2003-2005, Fabio De Pascale
 */

class xml_parser {
	function GetChildren($vals, &$i) {
		$children = array (); // Contains node data
		

		/* Node has CDATA before it's children */
		if (isset ( $vals [$i] ['value'] ))
			$children ['VALUE'] = $vals [$i] ['value'];
			
		/* Loop through children */
		while ( ++ $i < count ( $vals ) ) {
			switch ($vals [$i] ['type']) {
				/* Node has CDATA after one of it's children 
		(Add to cdata found before if this is the case) */
				case 'cdata' :
					if (isset ( $children ['VALUE'] ))
						$children ['VALUE'] .= $vals [$i] ['value'];
					else
						$children ['VALUE'] = $vals [$i] ['value'];
					break;
				/* At end of current branch */
				case 'complete' :
					if (isset ( $vals [$i] ['attributes'] )) {
						$children [$vals [$i] ['tag']] [] ['ATTRIBUTES'] = $vals [$i] ['attributes'];
						$index = count ( $children [$vals [$i] ['tag']] ) - 1;
						
						if (isset ( $vals [$i] ['value'] ))
							$children [$vals [$i] ['tag']] [$index] ['VALUE'] = $vals [$i] ['value'];
						else
							$children [$vals [$i] ['tag']] [$index] ['VALUE'] = '';
					} else {
						if (isset ( $vals [$i] ['value'] ))
							$children [$vals [$i] ['tag']] [] ['VALUE'] = $vals [$i] ['value'];
						else
							$children [$vals [$i] ['tag']] [] ['VALUE'] = '';
					}
					break;
				/* Node has more children */
				case 'open' :
					if (isset ( $vals [$i] ['attributes'] )) {
						$children [$vals [$i] ['tag']] [] ['ATTRIBUTES'] = $vals [$i] ['attributes'];
						$index = count ( $children [$vals [$i] ['tag']] ) - 1;
						$children [$vals [$i] ['tag']] [$index] = array_merge ( $children [$vals [$i] ['tag']] [$index], $this->GetChildren ( $vals, $i ) );
					} else {
						$children [$vals [$i] ['tag']] [] = $this->GetChildren ( $vals, $i );
					}
					break;
				/* End of node, return collected data */
				case 'close' :
					return $children;
			}
		}
	}
	
	/* Function will attempt to open the xmlloc as a local file, on fail it will attempt to open it as a web link */
	function xml_to_tree($data, $case_folding = 0) {
		
		$parser = xml_parser_create ( 'iso-8859-1' );
		
		xml_parser_set_option ( $parser, XML_OPTION_CASE_FOLDING, $case_folding );
		xml_parser_set_option ( $parser, XML_OPTION_SKIP_WHITE, 1 );
		xml_parse_into_struct ( $parser, $data, $vals, $index );
		xml_parser_free ( $parser );
		
		$tree = array ();
		$i = 0;
		
		if (isset ( $vals [$i] ['attributes'] )) {
			$tree [$vals [$i] ['tag']] [] ['ATTRIBUTES'] = $vals [$i] ['attributes'];
			$index = count ( $tree [$vals [$i] ['tag']] ) - 1;
			$tree [$vals [$i] ['tag']] [$index] = array_merge ( $tree [$vals [$i] ['tag']] [$index], $this->GetChildren ( $vals, $i ) );
		} else
			$tree [$vals [$i] ['tag']] [] = $this->GetChildren ( $vals, $i );
		
		return $tree;
	}
	
	function even_remover($arr) {
		$out = array ();
		
		for(reset ( $arr ); list ( $key, $value ) = each ( $arr );) {
			if (is_array ( $value )) {
				$GLOBALS ['depth'] ++;
				
				$even = $GLOBALS ['depth'] % 2;
				if ($even)
					$out [$key] = $this->even_remover ( $arr [$key] );
				else
					$out = $this->even_remover ( $arr [$key] );
				
				$GLOBALS ['depth'] --;
			} else {
				$out = $arr [$key];
			}
		}
		return $out;
	}
}

?>