<?php
/**
 * @package PhpOpenDocumentReports
 * @author Eric Letard
 * @copyright  GPL License 2009
 * @license    http://www.gnu.org/copyleft/gpl.html  GPL License
 * @version 0.3
 */

/**
 * Takes in charge the extraction of content.xml and after fetching, inclusion of the new content.xml and if necessary additionnal files
 * Based on ODTPHP project.
 */
class PODRODT
{
    protected static $__additionnalFiles=array();

    public static function addFile($file_path,$localfile)
    {
        self::$__additionnalFiles[$file_path]=$localfile;
    }

    public static function load(PODRFileString $data)
    {
        /*It must be the first filter, to have the good filename*/
        if(PODREngine::getExtension($data->getContext()->getConfig("InputFileName", ""))=="odt")
        {
            $file = new ZipArchive();
            if($file->open($data->getFileName()) !== true) {
                    throw new Exception("Error while Opening the file '".$filename."' - Check your odt file");
            }
            if (($stream = $file->getFromName('content.xml')) === false) {
                throw new Exception("Nothing to parse - check that the content.xml file is correctly formed");
            }
            $data->setContent($stream);
            $file->close();
        }

        return $data;
    }

    public static function save(PODRFileString $data)
    {
        $inputfile=$data->getContext()->getConfig("InputFileName", "");
        if(PODREngine::getExtension($inputfile)=="odt")
        {
            $outputodt=tempnam($data->getContext()->getConfig("TempDir", null), "outodt");
            copy($inputfile,$outputodt);
            $file = new ZipArchive();
            $file->open($outputodt, ZIPARCHIVE::CREATE);
            
            if (!$file->addFromString("content.xml",$data->getContent())) {
	            throw new Exception('Error during file export');
	        }
            foreach(self::$__additionnalFiles as $fileKey => $fileValue) {
                 $file->addFile($fileKey, $fileValue);
            }
	        $file->close();
            $data->setFilename($outputodt);
        }
        return $data;
    }
}

?>