Ods.php
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<?php
namespace OCA\Search_Lucene\Document;
/**
* Ods document.
* @see http://en.wikipedia.org/wiki/OpenDocument_technical_specification
*/
class Ods extends OpenDocument {
const SCHEMA_ODTABLE = 'urn:oasis:names:tc:opendocument:xmlns:table:1.0';
/**
* Object constructor
*
* @param string $fileName
* @param boolean $storeContent
* @throws \Zend_Search_Lucene_Exception
*/
private function __construct($fileName, $storeContent) {
if (!class_exists('ZipArchive', false)) {
throw new \Zend_Search_Lucene_Exception('Open Document Spreadsheet processing functionality requires Zip extension to be loaded');
}
// Document data holders
$documentTables = array();
$documentCells = array();
// Open OpenXML package
$package = new \ZipArchive();
$package->open($fileName);
// Read relations and search for officeDocument
$content = $package->getFromName('content.xml');
if ($content === false) {
throw new \Zend_Search_Lucene_Exception('Invalid archive or corrupted .ods file.');
}
$sxe = simplexml_load_string($content, 'SimpleXMLElement', LIBXML_NOBLANKS | LIBXML_COMPACT);
foreach ($sxe->xpath('//table:table[@table:name]') as $table) {
$documentTables[] = (string)$table->attributes($this::SCHEMA_ODTABLE)->name;
}
foreach ($sxe->xpath('//text:p') as $cell) {
$documentCells[] = (string)$cell;
}
// Read core properties
$coreProperties = $this->extractMetaData($package);
// Close file
$package->close();
// Store contents
if ($storeContent) {
$this->addField(\Zend_Search_Lucene_Field::Text('sheets', implode(' ', $documentTables), 'UTF-8'));
$this->addField(\Zend_Search_Lucene_Field::Text('body', implode(' ', $documentCells), 'UTF-8'));
} else {
$this->addField(\Zend_Search_Lucene_Field::UnStored('sheets', implode(' ', $documentTables), 'UTF-8'));
$this->addField(\Zend_Search_Lucene_Field::UnStored('body', implode(' ', $documentCells), 'UTF-8'));
}
// Store meta data properties
foreach ($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 Ods document from a file
*
* @param string $fileName
* @param boolean $storeContent
* @return Ods
* @throws \Zend_Search_Lucene_Document_Exception
*/
public static function loadOdsFile($fileName, $storeContent = false) {
if (!is_readable($fileName)) {
throw new \Zend_Search_Lucene_Document_Exception('Provided file \'' . $fileName . '\' is not readable.');
}
return new Ods($fileName, $storeContent);
}
}