diff -r bd595ad770fc -r 1c2f13fd785c web/enmi/Zend/Search/Lucene/Document/Pptx.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Search/Lucene/Document/Pptx.php	Thu Jan 20 19:30:54 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);
+    }
+}