utils/xml.php


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<?php

class XMLDOMAttribute
{
	public $name;
	public $value;
}

class XMLDOMNode
{
	public $parentnode;
	public $name;
	public $contents;
	public $attributes = array();
	public $children = array();

	public function XMLDOMNode(&$parentnode)
	{
		$this->parentnode = &$parentnode;
	}

	public function addNode(&$node)
	{
		echo "<p>" . $this->name . "::addNode(" . $node->name . ")</p>";
		//		$node->parent = &$this;
		array_push($this->children, &$node);
	}

	public function addAttribute($name, $value)
	{
		//	echo "<p>" . $this->name . "::addAttribute(" . $name . ", ". $value . ")</p>";
		$attribute = new XMLDOMAttribute();
		$attribute->name = strtolower($name); 
		$attribute->value = $value;
		array_push($this->attributes, &$attribute);
	}
	
}

class XMLDOMReader
{
	private $parent;
	private $curnode;
	public $root;

	private function startThreadElement($parser, $name, $attribs)
	{
		$this->parent = &$this->curnode;

		$this->curnode = new XMLDOMNode(&$this->parent);
		$this->curnode->name = $name;

		while (list($name, $value) = each($attribs)) {
			$this->curnode->addAttribute($name, $value);
		}

		$this->parent->addNode(&$this->curnode);
	}
	
	private function dataThreadElement($parser, $data)
	{
		$this->curnode->contents = $data;
	}

	private function endThreadElement($parser, $name)
	{
		$this->curnode = &$this->parent;
	}

	public function XMLDOMReader($file)
	{
		$doc = new DOMDocument();
		$doc->load('book.xml');
		echo $doc->saveXML();

		/*
		$this->root = new XMLDOMNode(&$this->root);
		$this->root->name = "root";
		$this->parent = &$this->root;

		// parse the xml file
		$xml_parser = xml_parser_create("ISO-8859-1");
		xml_set_element_handler($xml_parser, "startThreadElement", "endThreadElement");
		xml_set_character_data_handler($xml_parser, "dataThreadElement");
		xml_set_object ( $xml_parser, $this );

		$data = file_get_contents($file);
		
		if (!xml_parse($xml_parser, $data, true)) {
			die(sprintf("XML error: %s at line %d",
									xml_error_string(xml_get_error_code($xml_parser)),
									xml_get_current_line_number($xml_parser)));
		}
		xml_parser_free($xml_parser);
		*/

		//		$parent;
		/*
		$this->root = new XMLDOMNode(&$this->root);
		$this->root->name = "Root";
	
		$node0 = new XMLDOMNode(&$this->root);
		$node0->name = "Node1";
		array_push($this->root->children, &$node0);
		//		$this->root->addNode(&$node0);
		
		$node1 = new XMLDOMNode(&$node0);
		$node1->name = "Node1.1";
		array_push($node0->children, &$node1);
		//		$node0->addNode(&$node1);
		
		$node2 = new XMLDOMNode(&$node0);
		$node2->name = "Node1.2";
		array_push($node0->children, &$node2);
		//		$node0->addNode(&$node2);
		
		echo "\n<pre>";
		echo $this->root . " - " . $node0 . " - " . $node1 . " - " . $node2 . "\n";
		print_r($this->root);
		echo "</pre>\n";
		*/
	}
}


?>