web/lib/Zend/Search/Lucene/Document/Docx.php
changeset 64 162c1de6545a
parent 19 1c2f13fd785c
child 68 ecaf28ffe26e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Search/Lucene/Document/Docx.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,151 @@
+<?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: Docx.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/** Zend_Search_Lucene_Document_OpenXml */
+require_once 'Zend/Search/Lucene/Document/OpenXml.php';
+
+/**
+ * Docx 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_Docx extends Zend_Search_Lucene_Document_OpenXml {
+    /**
+     * Xml Schema - WordprocessingML
+     *
+     * @var string
+     */
+    const SCHEMA_WORDPROCESSINGML = 'http://schemas.openxmlformats.org/wordprocessingml/2006/main';
+
+    /**
+     * 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
+        $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 .docx file.');
+        }
+        $relations = simplexml_load_string($relationsXml);
+        foreach($relations->Relationship as $rel) {
+            if ($rel ["Type"] == Zend_Search_Lucene_Document_OpenXml::SCHEMA_OFFICEDOCUMENT) {
+                // Found office document! Read in contents...
+                $contents = simplexml_load_string($package->getFromName(
+                                                                $this->absoluteZipPath(dirname($rel['Target'])
+                                                              . '/'
+                                                              . basename($rel['Target']))
+                                                                       ));
+
+                $contents->registerXPathNamespace('w', Zend_Search_Lucene_Document_Docx::SCHEMA_WORDPROCESSINGML);
+                $paragraphs = $contents->xpath('//w:body/w:p');
+
+                foreach ($paragraphs as $paragraph) {
+                    $runs = $paragraph->xpath('.//w:r/*[name() = "w:t" or name() = "w:br"]');
+
+                    if ($runs === false) {
+                        // Paragraph doesn't contain any text or breaks
+                        continue;
+                    }
+
+                    foreach ($runs as $run) {
+                     if ($run->getName() == 'br') {
+                         // Break element
+                         $documentBody[] = ' ';
+                     } else {
+                         $documentBody[] = (string)$run;
+                     }
+                    }
+
+                    // Add space after each paragraph. So they are not bound together.
+                    $documentBody[] = ' ';
+                }
+
+                break;
+            }
+        }
+
+        // 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 Docx document from a file
+     *
+     * @param string  $fileName
+     * @param boolean $storeContent
+     * @return Zend_Search_Lucene_Document_Docx
+     * @throws Zend_Search_Lucene_Document_Exception
+     */
+    public static function loadDocxFile($fileName, $storeContent = false) {
+        if (!is_readable($fileName)) {
+            require_once 'Zend/Search/Lucene/Document/Exception.php';
+            throw new Zend_Search_Lucene_Document_Exception('Provided file \'' . $fileName . '\' is not readable.');
+        }
+
+        return new Zend_Search_Lucene_Document_Docx($fileName, $storeContent);
+    }
+}