| <?php |
| /** |
| * File containing the ezcDocumentOdtImageFilter class. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Document |
| * @version //autogen// |
| * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| * @access private |
| */ |
| |
| /** |
| * Filter which extracts images from FODT (flat ODT) documents and stores them |
| * in the desired directory. |
| * |
| * @package Document |
| * @version //autogen// |
| * @access private |
| */ |
| class ezcDocumentOdtImageFilter extends ezcDocumentOdtBaseFilter |
| { |
| /** |
| * ODT document options. |
| * |
| * @var ezcDocumentOdtOptions |
| */ |
| protected $options; |
| |
| /** |
| * Creates the filter object. |
| * |
| * Creates the filter object. Makes use of $imageDirectory, defined in the |
| * $options. |
| * |
| * @param ezcDocumentOdtOptions $options |
| * @return void |
| */ |
| public function __construct( ezcDocumentOdtOptions $options ) |
| { |
| $this->options = $options; |
| } |
| |
| /** |
| * Filter ODT document. |
| * |
| * Filter for the document, which may modify / restructure a document and |
| * assign semantic information bits to the elements in the tree. |
| * |
| * @param DOMDocument $document |
| * @return DOMDocument |
| */ |
| public function filter( DOMDocument $document ) |
| { |
| $xpath = new DOMXPath( $document ); |
| |
| $xpath->registerNamespace( 'office', ezcDocumentOdt::NS_ODT_OFFICE ); |
| $xpath->registerNamespace( 'draw', ezcDocumentOdt::NS_ODT_DRAWING ); |
| |
| $binaries = $xpath->query( '//draw:image/office:binary-data' ); |
| |
| foreach ( $binaries as $binary ) |
| { |
| $this->extractBinary( $binary ); |
| } |
| return $document; |
| } |
| |
| /** |
| * Extracts the binary content from $binary into a file. |
| * |
| * Extracts the binary image content from $binary to a file in the image |
| * directory ({@link $options}). The file name is created using {@link tempnam()} |
| * and set as an XLink HREF on the parent <draw:image/> element, as it |
| * would typically be in an ODT. |
| * |
| * @param DOMElement $binary |
| */ |
| protected function extractBinary( DOMElement $binary ) |
| { |
| $fileName = tempnam( $this->options->imageDir, 'ezcDocumentOdt' ); |
| |
| file_put_contents( |
| $fileName, |
| base64_decode( $binary->nodeValue ) |
| ); |
| |
| $binary->parentNode->setAttributeNS( |
| ezcDocumentOdt::NS_XLINK, |
| 'xlink:href', |
| $fileName |
| ); |
| } |
| } |
| |
| ?> |