<?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   fileconvert
*/
/**
* SOURDOUGH Shared Library
*
* This class handles basic syntax conversion on text files.
* The main conversion is done in convert() which much get implemented
* in each subclass.
*
* @package      sourdough
* @subpackage   fileconvert
* @author       Philip Iezzi <hide@address.com>
* @copyright    Copyright (c) 2001-2007 PHPEE.COM
* @license      http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License
* @version      $Id: Sd_FileConvert.class.php 3003 2007-12-08 11:05:17Z piezzi $
*/
abstract class Sd_FileConvert {
//[start] Local Variables
	/**
	* source filename
	*
	* @var      string    $filename
	*/
	protected $filename = '';
	/**
	* Target file extension
	*
	* @var      string    $fileExtension
	*/
	protected $fileExtension = '';
	/**
	* source content
	*
	* @var      string    $contSource
	*/
	protected $contSource = '';
	/**
	* target content
	*
	* @var      string    $contTarget
	*/
	protected $contTarget = '';
//[end]

//[start] Public Methods	
	/**
	* Get the content of a file.
	* 
	* @param    string    $filename
	*/
	public function load($filename)
	{
		if(is_file($filename)) {
			$this->filename = $filename;
			$this->contSource = Sd_File::getContent($this->filename);
		} else {
			return false;
		}
	}
	/**
	* Run PHP2JAVA syntax conversion.
	*
	* @return    void
	*/
	public abstract function convert();
	/**
	* Get original source content
	*
	* @return    string
	*/
	public function getSourceContent()
	{
		return $this->contSource;
	}
	/**
	* Get converted target content
	*
	* @return    string
	*/
	public function getTargetContent()
	{
		return $this->contTarget;
	}
	/**
	* Write converted output to the new file
	*
	* @param    boolean    force file write even if file has not been changed
	* @return   boolean    true on successful file write
	*/
	public function writeFile($force = false)
	{
		if($force || $this->contTarget != $this->contSource) {
			return Sd_File::writeFile($this->convertFilename(), $this->contTarget);
		}
		return false;
	}
	/**
	* Set the new file extension
	*
	* @param     string    $sExt   extension
	* @return    void
	*/
	public function changeExtension($sExt)
	{
		$this->fileExtension = $sExt;
	}
//[end]

//[start] Protected/Private Methods
	/**
	* Get the target filename.
	*
	* @return    string     original filename converted to the new filename
	*/
	protected function convertFilename()
	{
		if($this->fileExtension !== '') {
			return eregi_replace("(.*)\.[a-z0-9]*$", 
			                     "\\1.".$this->fileExtension, $this->filename);
		} else {
			return $this->filename;
		}
	}
//[end]
}
?>