filename = $filename; if ($this->isValidEpub()) { $this->fetchMetadatas(); $this->fetchItems(); $this->fetchSpine(); $this->fetchPages(); $this->fetchToc(); } else { print ("Fichier eBook non valide : ".$this->filename.".\n"); } } else { print ("Fichier non trouvé : '".$filename."'.\n"); } } //Récupération du contenu texte en vue d'indexation de l'eBook public function getFullTextContent($otherCharset='utf-8') { $chaineRetour = ''; foreach ($this->spine as $spinId) { if ($this->items[$spinId]) { $contents = html_entity_decode($this->getContentFile($this->opfDir.$this->items[$spinId]["href"])); } $chaineRetour .= strip_tags($contents); } if ($otherCharset != "utf-8") { $chaineRetour = utf8_decode($chaineRetour); } return $chaineRetour; } //Récupération du contenu d'une page public function getPageContent($page) { $chaineRetour = $this->getContentFile($this->opfDir.$page); if (!preg_match('`meta charset`',$chaineRetour)) { $chaineRetour = str_replace("","",$chaineRetour); } return $chaineRetour; } private function isValidEpub() { $isValid = true; //On vérifie le fichier "mimetype" et son contenu $mime = $this->getContentFile("mimetype"); if (!preg_match('(application\/epub\+zip)', $mime)) { $isValid = false; } return $isValid; } //Récupération des métadatas private function fetchMetadatas() { //On ouvre le container.xml $contents = $this->getContentFile("META-INF/container.xml"); if (trim($contents)) { $xml = simplexml_load_string($contents); //On va chercher le fichier opf $tmpFile = $this->decodeCharset($xml->rootfiles->rootfile->attributes()->{'full-path'}); $tmpArray = explode("/",$tmpFile); $this->opfFile =array_pop($tmpArray); $this->opfDir = implode("/",$tmpArray)."/"; if ($this->opfDir == '/') { $this->opfDir = ''; } $contents = $this->getContentFile($this->opfDir.$this->opfFile); //On cherche le charset $this->charset = strtolower(mb_detect_encoding($contents)); $xml = simplexml_load_string($contents); //on déclare les namespaces $namespaces = $xml->getNamespaces(true); foreach ($namespaces as $k=>$v) { if (trim($k)) { define(strtoupper($k), $v); } } //on va chercher les metas $xmlMeta = $xml->children(OPF, false)->metadata->children(DC, false); foreach ($xmlMeta as $k=>$v) { $key = $this->decodeCharset($k); switch($key){ case "creator": case "contributor": case "date" : $aut = array(); foreach($v->attributes(OPF,false) as $k_attr => $v_attr){ $aut[strtolower($this->decodeCharset($k_attr))]=$this->decodeCharset($v_attr); } $aut['value'] = $this->decodeCharset($v); $this->metas[$this->decodeCharset($k)][]=$aut; break; case "identifier": $attrs = $v->attributes(OPF,false); foreach($attrs as $k_attr => $v_attr){ $this->metas[$this->decodeCharset($k)][strtolower($this->decodeCharset($v_attr))]=$this->decodeCharset($v); } //le cas où la norme est bien loin... if(!$this->metas[$this->decodeCharset($k)]){ $this->metas[$this->decodeCharset($k)]['value'] = $this->decodeCharset($v); } break; default : $this->metas[$this->decodeCharset($k)][] = $this->decodeCharset($v); break; } } //on regarde si on a une mage de couverture... $metastag = $xml->children(OPF, false)->metadata->children(OPF,false); $this->cover_item =""; foreach ($metastag as $k=>$v) { $key = $this->decodeCharset($k); if($key != "meta"){ continue; } $attrs = $v->attributes(); if($attrs->{"name"} == "cover") { $this->cover_item = $this->decodeCharset($attrs->{"content"}); break; } } } } //Récupération des items de l'eBook private function fetchItems() { $contents = $this->getContentFile($this->opfDir.$this->opfFile); if (trim($contents)) { $xml = simplexml_load_string($contents); foreach ($xml->manifest->item as $item) { $this->items[$this->decodeCharset($item->attributes()->{'id'})]["href"] = $this->decodeCharset($item->attributes()->{'href'}); $this->items[$this->decodeCharset($item->attributes()->{'id'})]["media-type"] = $this->decodeCharset($item->attributes()->{'media-type'}); } } } //Récupération de l'ordre d'affichage des fichiers private function fetchSpine() { $contents = $this->getContentFile($this->opfDir.$this->opfFile); if (trim($contents)) { $xml = simplexml_load_string($contents); $this->spineToc = $this->decodeCharset($xml->spine->attributes()->{'toc'}); $this->spinePageMap = $this->decodeCharset($xml->spine->attributes()->{'page-map'}); foreach ($xml->spine->itemref as $item) { $this->spine[] = $this->decodeCharset($item->attributes()->{'idref'}); } } } //Récupération des pages de l'eBook private function fetchPages() { $contents = $this->getContentFile($this->opfDir.$this->items[$this->spinePageMap]["href"]); if (trim($contents)) { $xml = simplexml_load_string($contents); foreach ($xml->page as $item) { $tmpArray = array(); $tmpArray['name'] = $this->decodeCharset($item->attributes()->{'name'}); $tmpArray['href'] = $this->decodeCharset($item->attributes()->{'href'}); $this->pages[] = $tmpArray; } } else { //Pafois nous n'avons pas de liste des pages foreach ($this->items as $item) { if ($item["media-type"]=='application/xhtml+xml') { $tmpArray = array(); $tmpArray['name'] = $item["href"]; $tmpArray['href'] = $item["href"]; $this->pages[] = $tmpArray; } } } } //Récupération de la table des matières private function fetchToc() { $contents = $this->getContentFile($this->opfDir.$this->items[$this->spineToc]["href"]); if (trim($contents)) { $xml = simplexml_load_string($contents); foreach ($xml->navMap->navPoint as $item) { $this->readNavPoint($item,0); } } } //méthode pour retrouver de façon récurrente les points de navigation private function readNavPoint($simpleXmlObject,$level){ $tmpArray = array(); $tmpArray['playOrder'] = $this->decodeCharset($simpleXmlObject->attributes()->{'playOrder'}); $tmpArray['text'] = $this->decodeCharset($simpleXmlObject->navLabel->text); $tmpArray['content'] = $this->decodeCharset($simpleXmlObject->content->attributes()->{'src'}); $tmpArray['level'] = $level; $this->toc[] = $tmpArray; $level++; foreach ($simpleXmlObject->navPoint as $item) { $this->readNavPoint($item,$level); } } //On va chercher le contenu d'un fichier de l'archive eBook private function getContentFile($file){ //On essaye de gagner du temps pour l'affichage dans la visionneuse session_write_close(); $zip = zip_open($this->filename); $contents = ""; if ($zip) { while ($zip_entry = zip_read($zip)) { if(zip_entry_name($zip_entry) == $file && zip_entry_open($zip, $zip_entry)) { $contents = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); zip_entry_close($zip_entry); } } zip_close($zip); return $contents; } } //Fonction de décodage selon l'environnement private function decodeCharset($string) { $string = htmlentities($string,ENT_QUOTES,$this->charset); return $string; } //Pour la route... public function getCoverContent(){ return $this->getContentFile($this->opfDir.$this->items[$this->cover_item]['href']); } } ?>