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<?php
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// declare(encoding='UTF-8');
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/**
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* Web service de consultation d'un page wiki
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*
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* @category php 5.2
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* @package wapi
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* @author Aurélien Peronnet < aurelien@tela-botanica.org>
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* @author Jean-Pascal Milcent < jpm@tela-botanica.org>
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* @copyright Copyright (c) 2011, Tela Botanica (accueil@tela-botanica.org)
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* @license http://www.cecill.info/licences/Licence_CeCILL_V2-fr.txt Licence CECILL
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* @license http://www.gnu.org/licenses/gpl.html Licence GNU-GPL
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* @version $Id$
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*/
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class Pages extends Service {
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private $wiki = null;
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private $pageNom = null;
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private $section = null;
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private $retour = 'txt';
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private $formats_retour = array('txt','html');
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public function consulter($ressources, $parametres) {
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header('Content-type: text/plain');
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$verifOk = $this->verifierParametres($parametres);
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if ($verifOk) {
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$this->pageNom = $ressources[0];
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$page = $this->consulterPage($ressources[0]);
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return $this->formaterRetour($page);
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} else {
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RestServeur::envoyerEnteteStatutHttp(RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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}
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}
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private function definirValeurParDefautDesParametres() {
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if (isset($this->parametres['retour']) == false) {
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$this->parametres['retour'] = self::MIME_JSON;
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}
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if (isset($this->parametres['txt_format']) == false) {
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$this->parametres['txt_format'] = 'txt';
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}
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}
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private function verifierParametres($parametres) {
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$ok = true;
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if (isset($parametres['txt_format'])) {
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if(!in_array($parametres['txt_format'], $this->formats_retour)) {
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$message = "La valeur du paramètre 'txt.format' peut seulement prendre les valeurs : txt et html.";
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$this->ajouterMessage($message);
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$ok = false;
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} else {
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$this->retour = $parametres['txt_format'];
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}
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}
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if(isset($parametres['txt_section_position'])) {
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$this->section = $parametres['txt_section_position'];
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}
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if(isset($parametres['txt_section_titre'])) {
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$this->section = $parametres['txt_section_titre'];
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}
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return $ok;
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}
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private function consulterPage($page) {
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$this->wiki = Registre::get('wikiApi');
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$this->wiki->setPageCourante($this->pageNom);
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$page = $this->wiki->LoadPage($page);
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// attention les wikis sont en ISO !
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if(Config::get('encodage_appli') != Config::get('encodage_wiki')) {
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$page["body"] = mb_convert_encoding($page['body'],Config::get('encodage_appli'),Config::get('encodage_wiki'));
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}
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if($this->section != null) {
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$page["body"] = $this->découperPageSection($page["body"], $this->section);
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}
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return $page;
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}
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private function découperPageSection($contenu_page, $section) {
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$section_retour = '';
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if(is_numeric($section)) {
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$section_retour = $this->getSectionParNumero($contenu_page, $section);
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} else {
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$section_retour = $this->getSectionParTitre($contenu_page, $section);
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}
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return $section_retour;
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}
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public function getSectionParNumero($page, $num) {
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preg_match_all('/(=[=]+[ ]*)(.[.^=]*)+[ ]*=[=]+[.]*/i', $page, $sections, PREG_OFFSET_CAPTURE);
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$sectionTxt = '';
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$debut_section = 0;
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$lg_page = strlen($page);
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$fin_section = $lg_page;
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if($num <= count($sections[1]) && $num > 0) {
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$debut_section = $sections[1][$num - 1][1];
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$separateur = trim($sections[1][$num - 1][0]);
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$separateur_trouve = false;
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for($i = $num; $i < count($sections[1]); $i++) {
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$fin_section = $sections[1][$i][1];
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if($separateur == trim($sections[1][$i][0])) {
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$separateur_trouve = true;
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break;
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}
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}
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$fin_section = $separateur_trouve ? $fin_section : $lg_page;
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$sectionTxt = substr($page, $debut_section, $fin_section - $debut_section);
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} else {
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$sectionTxt = '';
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}
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return $sectionTxt;
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}
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public function getSectionParTitre($page, $titre) {
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$section = '';
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$reg_exp = '/((=[=]+)[ ]*'.preg_quote(trim($titre), '/').'[ ]*=[=]+)[.]*/i';
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$match = preg_split($reg_exp, $page, 2, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
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if(count($match) > 3) {
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$section = explode(trim($match[2]), $match[3], 2);
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$section = $match[1].' '.$section[0];
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} elseif(count($match) == 2) {
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$section = explode(trim($match[1]), $match[2], 2);
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$section = $match[0].' '.$section[0];
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} else {
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$section = "";
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}
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return $section;
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}
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private function formaterRetour($page) {
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switch($this->retour) {
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case 'html':
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$retour = $this->wiki->Format($page["body"], "wakka");
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break;
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default:
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$retour = $page["body"];
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}
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return $retour;
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}
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private function formaterRetourHtml($retour) {
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}
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}
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?>
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