<?php
//
// +--------------------------------------------------------------------+
// | Sourdough PHP Application Framework                                |
// +--------------------------------------------------------------------+
// | Copyright (c) 2001-2007 Philip Iezzi, phpee.com                    |
// | Web           http://sourdough.phpee.com/                          |
// | License       GNU Lesser General Public License (LGPL)             |
// +--------------------------------------------------------------------+
// | This library is free software; you can redistribute it and/or      |
// | modify it under the terms of the GNU Lesser General Public         |
// | License as published by the Free Software Foundation; either       |
// | version 2.1 of the License, or (at your option) any later version. |
// +--------------------------------------------------------------------+
//

/**
* Sourdough PHP Application Framework
* @package      sourdough
* @subpackage   xslt
*/
/**
* SOURDOUGH XSL transformation class for the Sablotron XSLT processor
*
* @package      sourdough
* @subpackage   xslt
* @author       Philip Iezzi <pipo at phpee dot com>
* @author       based on XSLT class http://www.neokraft.net, original author: Olivier Meunier
* @copyright    Copyright (c) 2001-2007 PHPEE.COM
* @license      http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License
* @version      $Id: Sd_Xslt_sablot.class.php 3003 2007-12-08 11:05:17Z piezzi $
*/
class Sd_Xslt_sablot extends Sd_Xslt {
//[start] Local Variables
	/**
	* XSLT handle
	*
	* @var      resource  $xh
	*/
	protected $xh;
//[end]
	
//[start] Constructor
	/**
	* Sd_Xslt_sablot constructor
	*
	* @param    Sourdough  $Sourd  Sourdough global object
	*/
	public function __construct(Sourdough $Sourd)
	{
		$this->Sourdough = $Sourd;
		parent::__construct();
	}
//[end]

//[start] Public Methods
	/**
	* Sablot XSL transformation
	*
	* @return    void
	*/
	public function transform()
	{
		$xml = $this->XML;
		$xsl = $this->XSL;
		$args = array();
		
		if(!$this->is_content) {
			$xml = Sd_File::getContent($xml);
			$xsl = Sd_File::getContent($xsl);
		}
		
		$args['/_xml'] = $xml;
		$args['/_xsl'] = $xsl;
		
		if(!empty($this->params)) {
			$this->out = @xslt_process($this->xh, 'arg:/_xml', 'arg:/_xsl', NULL, $args, $this->params);
		} else {
			$this->out = @xslt_process($this->xh, 'arg:/_xml', 'arg:/_xsl', NULL, $args);
		}
		
		if(!$this->out) {
			Sd_ErrorManager::raiseError(0, 'XSLT error: '.xslt_errno($this->xh).' - '.xslt_error($this->xh));
		}
	}
	/**
	* Return Sablot output
	*
	* @return    string
	*/
	public function output()
	{
		$this->close();
		return $this->out;
	}
//[end]

//[start] Protected/Private Methods
	/**
	* Sablot initialization
	*
	* @return    void
	*/
	protected function init()
	{
		$this->xh = xslt_create();
	}
	/**
	* Close Sablot XSLT process
	*
	* @return    void
	*/
	protected function close()
	{
		xslt_free($this->xh);
	}
//[end]
}
?>