final move of files
[web.mtrack] / Zend / Search / Lucene / Document / OpenXml.php
diff --git a/Zend/Search/Lucene/Document/OpenXml.php b/Zend/Search/Lucene/Document/OpenXml.php
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+<?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: OpenXml.php 16971 2009-07-22 18:05:45Z mikaelkael $
+ */
+
+
+/** Zend_Search_Lucene_Document */
+require_once 'Zend/Search/Lucene/Document.php';
+
+if (class_exists('ZipArchive', false)) {
+
+/**
+ * OpenXML 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
+ */
+abstract class Zend_Search_Lucene_Document_OpenXml extends Zend_Search_Lucene_Document
+{
+    /**
+     * Xml Schema - Relationships
+     *
+     * @var string
+     */
+    const SCHEMA_RELATIONSHIP = 'http://schemas.openxmlformats.org/package/2006/relationships';
+
+    /**
+     * Xml Schema - Office document
+     *
+     * @var string
+     */
+    const SCHEMA_OFFICEDOCUMENT = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument';
+
+    /**
+     * Xml Schema - Core properties
+     *
+     * @var string
+     */
+    const SCHEMA_COREPROPERTIES = 'http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties';
+
+    /**
+     * Xml Schema - Dublin Core
+     *
+     * @var string
+     */
+    const SCHEMA_DUBLINCORE = 'http://purl.org/dc/elements/1.1/';
+
+    /**
+     * Xml Schema - Dublin Core Terms
+     *
+     * @var string
+     */
+    const SCHEMA_DUBLINCORETERMS = 'http://purl.org/dc/terms/';
+
+    /**
+     * Extract metadata from document
+     *
+     * @param ZipArchive $package    ZipArchive OpenXML package
+     * @return array    Key-value pairs containing document meta data
+     */
+    protected function extractMetaData(ZipArchive $package)
+    {
+        // Data holders
+        $coreProperties = array();
+        
+        // Read relations and search for core properties
+        $relations = simplexml_load_string($package->getFromName("_rels/.rels"));
+        foreach ($relations->Relationship as $rel) {
+            if ($rel["Type"] == Zend_Search_Lucene_Document_OpenXml::SCHEMA_COREPROPERTIES) {
+                // Found core properties! Read in contents...
+                $contents = simplexml_load_string(
+                    $package->getFromName(dirname($rel["Target"]) . "/" . basename($rel["Target"]))
+                );
+
+                foreach ($contents->children(Zend_Search_Lucene_Document_OpenXml::SCHEMA_DUBLINCORE) as $child) {
+                    $coreProperties[$child->getName()] = (string)$child;
+                }
+                foreach ($contents->children(Zend_Search_Lucene_Document_OpenXml::SCHEMA_COREPROPERTIES) as $child) {
+                    $coreProperties[$child->getName()] = (string)$child;
+                }
+                foreach ($contents->children(Zend_Search_Lucene_Document_OpenXml::SCHEMA_DUBLINCORETERMS) as $child) {
+                    $coreProperties[$child->getName()] = (string)$child;
+                }
+            }
+        }
+        
+        return $coreProperties;
+    }
+    
+    /**
+     * Determine absolute zip path
+     *
+     * @param string $path
+     * @return string
+     */
+    protected function absoluteZipPath($path) {
+        $path = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $path);
+        $parts = array_filter(explode(DIRECTORY_SEPARATOR, $path), 'strlen');
+        $absolutes = array();
+        foreach ($parts as $part) {
+            if ('.' == $part) continue;
+            if ('..' == $part) {
+                array_pop($absolutes);
+            } else {
+                $absolutes[] = $part;
+            }
+        }
+        return implode('/', $absolutes);
+    }
+}
+
+} // end if (class_exists('ZipArchive'))