<?php
/*
 * FCKpackager - JavaScript Packager and Compressor - http://www.fckeditor.net
 * Copyright (C) 2003-2008 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 */

require_once( 'fckpreprocessor.inc' ) ;
require_once( 'fckjavascriptcompressor.inc' ) ;

class FCKPackageFile
{
	// Public properties.
	var $CompactJavaScript ;
	var $RenameGlobals ;
	var $Header ;
	var $ConstantsProcessor ;

	// Private properties.
	var $_OutputPath ;
	var $_Files ;

	function FCKPackageFile( $outputPath )
	{
		$this->CompactJavaScript = TRUE ;
		$this->RenameGlobals = FALSE ;
		$this->Header = '' ;

		$this->_OutputPath = $outputPath ;
		$this->_Files = array() ;
	}

	function AddFile( $sourceFilePath )
	{
		$this->_Files[] = $sourceFilePath ;
	}

	function CreateFile()
	{
		echo 'Packaging file ' . basename( $this->_OutputPath ) . "\n" ;

		// Extract the directory from the output file path.
		$destDir = dirname( $this->_OutputPath );

		// Create the directory if it doesn't exist.
		if ( !@is_dir( $destDir ) )
			CreateDir( $destDir ) ;

		// Create the StringBuilder that will hold the output data.
		$outputData = '' ;

		$uncompressedSize = 0 ;

		// Loop through the files.
		foreach ( $this->_Files as $file )
		{
			// Read the file.
			$data = file_get_contents( $file ) ;

			// Strip the UTF-8 BOM, if available.
			$data = StripUtf8Bom( $data ) ;

			$dataSize = strlen( $data ) ;
			$uncompressedSize += $dataSize ;

			echo '    Adding ' . basename( $file ) . "\n" ;

			// Compress (if needed) and process its contents.
			if ( $this->CompactJavaScript )
				$outputData .= FCKJavaScriptCompressor::Compress( FCKPreProcessor::Process( $data ), $this->ConstantsProcessor ) ;
			else
				$outputData .= FCKPreProcessor::Process( $data ) ;

			// Each file terminates with a CRLF, even if compressed.
			$outputData .= "\r\n" ;
		}

		// Replace global vars.
		if ( $this->RenameGlobals )
		{
			$funcProcessor = new FCKFunctionProcessor( $outputData, NULL, true ) ;
			$outputData = $funcProcessor->Process() ;
		}

		// Write the output file.
		if ( strlen( $this->Header ) > 0 )
			$outputData = $this->Header . "\r\n" . $outputData ;

		if ( !SaveStringToFile( $outputData, $this->_OutputPath, TRUE ) )
			ExitError( 'It was not possible to save the file "' . $this->_OutputPath . '".' ) ;

		echo( "\n" );
		echo( '    Number of files processed: ' . count( $this->_Files ) . "\n" ) ;
		echo( '    Original size............: ' . number_format( $uncompressedSize ) . ' bytes' . "\n" ) ;
		echo( '    Output file size.........: ' . number_format( strlen( $outputData ) ) . ' bytes (' . round( strlen( $outputData ) / $uncompressedSize * 100, 2 ) . '% of original)' . "\n" ) ;
		echo( "\n" );
	}
}

?>