--- /dev/null
+<?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'))