Viewing file: Pptx.php (7.42 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /** * Zend Framework * * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://framework.zend.com/license/new-bsd * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to license@zend.com so we can send you a copy immediately. * * @category Zend * @package Zend_Search_Lucene * @subpackage Document * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Pptx.php 19035 2009-11-19 14:34:11Z alexander $ */
/** Zend_Search_Lucene_Document_OpenXml */ require_once 'Zend/Search/Lucene/Document/OpenXml.php';
if (class_exists('ZipArchive', false)) {
/** * Pptx document. * * @category Zend * @package Zend_Search_Lucene * @subpackage Document * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Search_Lucene_Document_Pptx extends Zend_Search_Lucene_Document_OpenXml { /** * Xml Schema - PresentationML * * @var string */ const SCHEMA_PRESENTATIONML = 'http://schemas.openxmlformats.org/presentationml/2006/main';
/** * Xml Schema - DrawingML * * @var string */ const SCHEMA_DRAWINGML = 'http://schemas.openxmlformats.org/drawingml/2006/main';
/** * Xml Schema - Slide relation * * @var string */ const SCHEMA_SLIDERELATION = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide';
/** * Xml Schema - Slide notes relation * * @var string */ const SCHEMA_SLIDENOTESRELATION = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesSlide';
/** * Object constructor * * @param string $fileName * @param boolean $storeContent * @throws Zend_Search_Lucene_Exception */ private function __construct($fileName, $storeContent) { // Document data holders $slides = array(); $slideNotes = array(); $documentBody = array(); $coreProperties = array();
// Open OpenXML package $package = new ZipArchive(); $package->open($fileName);
// Read relations and search for officeDocument $relationsXml = $package->getFromName('_rels/.rels'); if ($relationsXml === false) { require_once 'Zend/Search/Lucene/Exception.php'; throw new Zend_Search_Lucene_Exception('Invalid archive or corrupted .pptx file.'); } $relations = simplexml_load_string($relationsXml); foreach ($relations->Relationship as $rel) { if ($rel["Type"] == Zend_Search_Lucene_Document_OpenXml::SCHEMA_OFFICEDOCUMENT) { // Found office document! Search for slides... $slideRelations = simplexml_load_string($package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/_rels/" . basename($rel["Target"]) . ".rels")) ); foreach ($slideRelations->Relationship as $slideRel) { if ($slideRel["Type"] == Zend_Search_Lucene_Document_Pptx::SCHEMA_SLIDERELATION) { // Found slide! $slides[ str_replace( 'rId', '', (string)$slideRel["Id"] ) ] = simplexml_load_string( $package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/" . dirname($slideRel["Target"]) . "/" . basename($slideRel["Target"])) ) );
// Search for slide notes $slideNotesRelations = simplexml_load_string($package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/" . dirname($slideRel["Target"]) . "/_rels/" . basename($slideRel["Target"]) . ".rels")) ); foreach ($slideNotesRelations->Relationship as $slideNoteRel) { if ($slideNoteRel["Type"] == Zend_Search_Lucene_Document_Pptx::SCHEMA_SLIDENOTESRELATION) { // Found slide notes! $slideNotes[ str_replace( 'rId', '', (string)$slideRel["Id"] ) ] = simplexml_load_string( $package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/" . dirname($slideRel["Target"]) . "/" . dirname($slideNoteRel["Target"]) . "/" . basename($slideNoteRel["Target"])) ) );
break; } } } }
break; } }
// Sort slides ksort($slides); ksort($slideNotes);
// Extract contents from slides foreach ($slides as $slideKey => $slide) { // Register namespaces $slide->registerXPathNamespace("p", Zend_Search_Lucene_Document_Pptx::SCHEMA_PRESENTATIONML); $slide->registerXPathNamespace("a", Zend_Search_Lucene_Document_Pptx::SCHEMA_DRAWINGML);
// Fetch all text $textElements = $slide->xpath('//a:t'); foreach ($textElements as $textElement) { $documentBody[] = (string)$textElement; }
// Extract contents from slide notes if (isset($slideNotes[$slideKey])) { // Fetch slide note $slideNote = $slideNotes[$slideKey];
// Register namespaces $slideNote->registerXPathNamespace("p", Zend_Search_Lucene_Document_Pptx::SCHEMA_PRESENTATIONML); $slideNote->registerXPathNamespace("a", Zend_Search_Lucene_Document_Pptx::SCHEMA_DRAWINGML);
// Fetch all text $textElements = $slideNote->xpath('//a:t'); foreach ($textElements as $textElement) { $documentBody[] = (string)$textElement; } } }
// Read core properties $coreProperties = $this->extractMetaData($package);
// Close file $package->close();
// Store filename $this->addField(Zend_Search_Lucene_Field::Text('filename', $fileName, 'UTF-8'));
// Store contents if ($storeContent) { $this->addField(Zend_Search_Lucene_Field::Text('body', implode(' ', $documentBody), 'UTF-8')); } else { $this->addField(Zend_Search_Lucene_Field::UnStored('body', implode(' ', $documentBody), 'UTF-8')); }
// Store meta data properties foreach ($coreProperties as $key => $value) { $this->addField(Zend_Search_Lucene_Field::Text($key, $value, 'UTF-8')); }
// Store title (if not present in meta data) if (!isset($coreProperties['title'])) { $this->addField(Zend_Search_Lucene_Field::Text('title', $fileName, 'UTF-8')); } }
/** * Load Pptx document from a file * * @param string $fileName * @param boolean $storeContent * @return Zend_Search_Lucene_Document_Pptx */ public static function loadPptxFile($fileName, $storeContent = false) { return new Zend_Search_Lucene_Document_Pptx($fileName, $storeContent); } }
} // end if (class_exists('ZipArchive'))
|