--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Search/Lucene/Document/Pptx.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,200 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Pptx.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/** Zend_Search_Lucene_Document_OpenXml */
+require_once 'Zend/Search/Lucene/Document/OpenXml.php';
+
+/**
+ * Pptx document.
+ *
+ * @category Zend
+ * @package Zend_Search_Lucene
+ * @subpackage Document
+ * @copyright Copyright (c) 2005-2010 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)
+ {
+ if (!class_exists('ZipArchive', false)) {
+ require_once 'Zend/Search/Lucene/Exception.php';
+ throw new Zend_Search_Lucene_Exception('MS Office documents processing functionality requires Zip extension to be loaded');
+ }
+
+ // 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);
+ }
+}