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fonctions_zip.php	Edit
simplepptx.class.php	Edit
simplexlsx.class.php	Edit

Editing: simplepptx.class.php

<?php

if (!defined('_ECRIRE_INC_VERSION')) { return;
}

// Classe SimplePPTX v0.1 pour SPIP.
// Tres inspire de Zend Search Lucene (http://www.chisimba.com/apidocs/fwdocs/Zend_Search_Lucene/Document/Zend_Search_Lucene_Document_Pptx.html) et de la classe SimpleXLSX de Sergey Schuchkin

class SimplePPTX {
	// scheme
	const SCHEMA_OFFICEDOCUMENT = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument';
	const SCHEMA_PRESENTATIONML = 'http://schemas.openxmlformats.org/presentationml/2006/main';
	const SCHEMA_DRAWINGML = 'http://schemas.openxmlformats.org/drawingml/2006/main';
	const SCHEMA_SLIDERELATION = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide';
	const SCHEMA_SLIDENOTESRELATION = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesSlide';

function __construct($fileName, $storeContent) {
		// Document data holders
		$slides = [];
		$slideNotes = [];
		$documentBody = [];
		$coreProperties = [];

// Open OpenXML package
		$package = new ZipArchive();
		$package -> open($fileName);

// Read relations and search for officeDocument
		$relationsXml = $package -> getFromName('_rels/.rels');
		$relations = simplexml_load_string($relationsXml);
		foreach ($relations->Relationship as $rel) {
			if ($rel['Type'] == SimplePPTX::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'] == SimplePPTX::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'] == SimplePPTX::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', SimplePPTX::SCHEMA_PRESENTATIONML);
			$slide -> registerXPathNamespace('a', SimplePPTX::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', SimplePPTX::SCHEMA_PRESENTATIONML);
				$slideNote -> registerXPathNamespace('a', SimplePPTX::SCHEMA_DRAWINGML);

// Fetch all text
				$textElements = $slideNote -> xpath('//a:t');
				foreach ($textElements as $textElement) {
					$documentBody[] = (string)$textElement;
				}
			}
		}

// Close file
		$package -> close();
		// Store filename
		$this -> nom_fichier = $fileName;

// Store contents
		if ($storeContent) {
			$this -> contenu = implode(' ', $documentBody);
		}
	}