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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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* @package Zend_Search_Lucene
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* @subpackage Document
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Pptx.php 16971 2009-07-22 18:05:45Z mikaelkael $
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/** Zend_Search_Lucene_Document_OpenXml */
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require_once 'Zend/Search/Lucene/Document/OpenXml.php';
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if (class_exists('ZipArchive', false)) {
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* @package Zend_Search_Lucene
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* @subpackage Document
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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class Zend_Search_Lucene_Document_Pptx extends Zend_Search_Lucene_Document_OpenXml
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* Xml Schema - PresentationML
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const SCHEMA_PRESENTATIONML = 'http://schemas.openxmlformats.org/presentationml/2006/main';
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* Xml Schema - DrawingML
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const SCHEMA_DRAWINGML = 'http://schemas.openxmlformats.org/drawingml/2006/main';
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* Xml Schema - Slide relation
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const SCHEMA_SLIDERELATION = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide';
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* Xml Schema - Slide notes relation
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const SCHEMA_SLIDENOTESRELATION = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesSlide';
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* @param string $fileName
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* @param boolean $storeContent
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private function __construct($fileName, $storeContent)
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// Document data holders
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$slideNotes = array();
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$documentBody = array();
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$coreProperties = array();
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// Open OpenXML package
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$package = new ZipArchive();
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$package->open($fileName);
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// Read relations and search for officeDocument
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$relations = simplexml_load_string($package->getFromName("_rels/.rels"));
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foreach ($relations->Relationship as $rel) {
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if ($rel["Type"] == Zend_Search_Lucene_Document_OpenXml::SCHEMA_OFFICEDOCUMENT) {
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// Found office document! Search for slides...
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$slideRelations = simplexml_load_string($package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/_rels/" . basename($rel["Target"]) . ".rels")) );
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foreach ($slideRelations->Relationship as $slideRel) {
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if ($slideRel["Type"] == Zend_Search_Lucene_Document_Pptx::SCHEMA_SLIDERELATION) {
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$slides[ str_replace( 'rId', '', (string)$slideRel["Id"] ) ] = simplexml_load_string(
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$package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/" . dirname($slideRel["Target"]) . "/" . basename($slideRel["Target"])) )
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// Search for slide notes
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$slideNotesRelations = simplexml_load_string($package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/" . dirname($slideRel["Target"]) . "/_rels/" . basename($slideRel["Target"]) . ".rels")) );
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foreach ($slideNotesRelations->Relationship as $slideNoteRel) {
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if ($slideNoteRel["Type"] == Zend_Search_Lucene_Document_Pptx::SCHEMA_SLIDENOTESRELATION) {
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// Found slide notes!
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$slideNotes[ str_replace( 'rId', '', (string)$slideRel["Id"] ) ] = simplexml_load_string(
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$package->getFromName( $this->absoluteZipPath(dirname($rel["Target"]) . "/" . dirname($slideRel["Target"]) . "/" . dirname($slideNoteRel["Target"]) . "/" . basename($slideNoteRel["Target"])) )
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// Extract contents from slides
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foreach ($slides as $slideKey => $slide) {
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// Register namespaces
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$slide->registerXPathNamespace("p", Zend_Search_Lucene_Document_Pptx::SCHEMA_PRESENTATIONML);
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$slide->registerXPathNamespace("a", Zend_Search_Lucene_Document_Pptx::SCHEMA_DRAWINGML);
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$textElements = $slide->xpath('//a:t');
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foreach ($textElements as $textElement) {
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$documentBody[] = (string)$textElement;
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// Extract contents from slide notes
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if (isset($slideNotes[$slideKey])) {
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$slideNote = $slideNotes[$slideKey];
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// Register namespaces
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$slideNote->registerXPathNamespace("p", Zend_Search_Lucene_Document_Pptx::SCHEMA_PRESENTATIONML);
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$slideNote->registerXPathNamespace("a", Zend_Search_Lucene_Document_Pptx::SCHEMA_DRAWINGML);
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$textElements = $slideNote->xpath('//a:t');
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foreach ($textElements as $textElement) {
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$documentBody[] = (string)$textElement;
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// Read core properties
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$coreProperties = $this->extractMetaData($package);
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$this->addField(Zend_Search_Lucene_Field::Text('filename', $fileName, 'UTF-8'));
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$this->addField(Zend_Search_Lucene_Field::Text('body', implode(' ', $documentBody), 'UTF-8'));
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$this->addField(Zend_Search_Lucene_Field::UnStored('body', implode(' ', $documentBody), 'UTF-8'));
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// Store meta data properties
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foreach ($coreProperties as $key => $value)
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$this->addField(Zend_Search_Lucene_Field::Text($key, $value, 'UTF-8'));
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// Store title (if not present in meta data)
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if (!isset($coreProperties['title']))
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$this->addField(Zend_Search_Lucene_Field::Text('title', $fileName, 'UTF-8'));
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* Load Pptx document from a file
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* @param string $fileName
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* @param boolean $storeContent
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* @return Zend_Search_Lucene_Document_Pptx
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public static function loadPptxFile($fileName, $storeContent = false)
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return new Zend_Search_Lucene_Document_Pptx($fileName, $storeContent);
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} // end if (class_exists('ZipArchive'))