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<?php
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<?php
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// declare(encoding='UTF-8');
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// declare(encoding='UTF-8');
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/**
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/**
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 * Web service de consultation d'un page wiki
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 * Web service de consultation d'un page wiki
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 *
 5 
 *
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 * @category	php 5.2
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 * @category	php 5.2
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 * @package		wapi
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 * @package		wapi
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 * @author		Aurélien Peronnet < aurelien@tela-botanica.org>
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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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 * @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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 * @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.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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 * @license		http://www.gnu.org/licenses/gpl.html Licence GNU-GPL
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 * @version		$Id$
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 * @version		$Id$
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 */
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 */
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class Pages extends Service {
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class Pages extends Service {
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	private $wiki = null;
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	private $wiki = null;
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	private $pageNom = null;
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	private $pageNom = null;
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	private $section = null;
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	private $section = null;
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	private $retour = 'txt';
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	private $retour = 'txt';
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	private $formats_retour = array('txt','html');
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	private $formats_retour = array('txt','html');
- 
 
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	private $format_texte;
- 
 
 24
- 
 
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	const MIME_JSON = 'application/json';
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	const MIME_HTML = 'text/html';
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	const MIME_TEXT = 'text/plain';
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28
- 
 
 29 
	public function consulter($ressources, $parametres) {
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 30
24 
	public function consulter($ressources, $parametres) {
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		try {
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		header('Content-type: text/plain');
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			$this->definirValeurParDefautDesParametres();
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		$verifOk = $this->verifierParametres($parametres);
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		if ($verifOk) {
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			$this->verifierParametres($parametres);
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			$this->analyserParametres($ressources, $parametres);
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			$this->pageNom = $ressources[0];
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			$page = $this->consulterPage($ressources[0]);
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			$page = $this->consulterPage($this->pageNom);
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			$retour = $this->formaterRetour($page);
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30 
			return $this->formaterRetour($page);
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			$this->envoyerContenuJson($retour);
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		} else {
 40 
		} catch (Exception $e) {
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			RestServeur::envoyerEnteteStatutHttp(RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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			$this->envoyerErreur($e);
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		}
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		}
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	}
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	}
35
44
36 
	private function definirValeurParDefautDesParametres() {
 45 
	private function definirValeurParDefautDesParametres() {
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		if (isset($this->parametres['retour']) == false) {
 - 
 
38 
			$this->parametres['retour'] = self::MIME_JSON;
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39 
		}
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		if (isset($this->parametres['txt_format']) == false) {
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		if (isset($this->parametres['txt_format']) == false) {
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			$this->parametres['txt_format'] = 'txt';
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			$this->parametres['txt_format'] = 'txt';
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		}
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		}
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	}
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	}
44
50
45 
	private function verifierParametres($parametres) {
 51 
	private function verifierParametres($parametres) {
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		$ok = true;
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		$erreurs = array();
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 53
47 
		if (isset($parametres['txt_format'])) {
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		if (isset($parametres['txt_format'])) {
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			if(!in_array($parametres['txt_format'], $this->formats_retour)) {
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			if(!in_array($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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				$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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				$erreurs[] = $message;
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				$ok = false;
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			} else {
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				$this->retour = $parametres['txt_format'];
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			}
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			}
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		}
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		}
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60
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		if(isset($parametres['txt_section_position'])) {
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		if(isset($parametres['txt_section_position']) && !is_numeric($parametres['txt_section_position'])) {
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 62 
			$message = "La valeur du paramètre 'txt.section.position' peut seulement prendre des valeurs numeriques";
58 
			$this->section = $parametres['txt_section_position'];
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			$erreurs[] = $message;
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 64 
		}
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- 
 
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		if(isset($parametres['txt_section_titre']) && trim($parametres['txt_section_titre']) == '') {
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 67 
			$message = "La valeur du paramètre 'txt.section.titre' ne peut pas être vide si celui-ci est présent";
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			$erreurs[] = $message;
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 69 
		}
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- 
 
 71 
		if (count($erreurs) > 0) {
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			$message = implode('<br />', $erreurs);
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			$code = RestServeur::HTTP_CODE_MAUVAISE_REQUETE;
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			throw new Exception($message, $code);
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 75 
		}
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 76 
	}
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 77
59 
		}
 78 
	private function analyserParametres($ressources, $parametres) {
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79 
		$this->pageNom = $ressources[0];
61 
		if(isset($parametres['txt_section_titre'])) {
 80 
		if(isset($parametres['txt_section_titre'])) {
62 
			$this->section = $parametres['txt_section_titre'];
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			$this->section = $parametres['txt_section_titre'];
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		}
 82 
		}
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 83 
		if(isset($parametres['txt_section_position'])) {
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 84 
			$this->section = $parametres['txt_section_position'];
64
85 
		}
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 86 
		if (isset($parametres['txt_format'])) {
65 
		return $ok;
 87 
			$this->retour = $parametres['txt_format'];
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 88 
		}
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	}
 89 
	}
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90
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	private function consulterPage($page) {
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	private function consulterPage($page) {
69 
		$this->wiki = Registre::get('wikiApi');
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		$this->wiki = Registre::get('wikiApi');
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		$this->wiki->setPageCourante($this->pageNom);
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		$this->wiki->setPageCourante($this->pageNom);
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		$page = $this->wiki->LoadPage($page);
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		$page = $this->wiki->LoadPage($page);
72
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		// attention les wikis sont en ISO !
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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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		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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			$page["body"] = mb_convert_encoding($page['body'],Config::get('encodage_appli'),Config::get('encodage_wiki'));
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		}
 99 
		}
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100
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		if($this->section != null) {
 101 
		if($this->section != null) {
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			$page["body"] = $this->découperPageSection($page["body"], $this->section);
 102 
			$page["body"] = $this->découperPageSection($page["body"], $this->section);
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		}
 103 
		}
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104
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		return $page;
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		return $page;
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	}
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	}
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	private function découperPageSection($contenu_page, $section) {
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	private function découperPageSection($contenu_page, $section) {
86
109
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		$section_retour = '';
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		$section_retour = '';
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111
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		if(is_numeric($section)) {
 112 
		if(is_numeric($section)) {
90 
			$section_retour =  $this->getSectionParNumero($contenu_page, $section);
 113 
			$section_retour =  $this->getSectionParNumero($contenu_page, $section);
91 
		} else {
 114 
		} else {
92 
			$section_retour =  $this->getSectionParTitre($contenu_page, $section);
 115 
			$section_retour =  $this->getSectionParTitre($contenu_page, $section);
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		}
 116 
		}
94
117
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		return $section_retour;
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		return $section_retour;
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	}
 119 
	}
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120
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	public function getSectionParNumero($page, $num) {
 121 
	public function getSectionParNumero($page, $num) {
99 
		preg_match_all('/(=[=]+[ ]*)(.[.^=]*)+[ ]*=[=]+[.]*/i', $page, $sections, PREG_OFFSET_CAPTURE);
 122 
		preg_match_all('/(=[=]+[ ]*)(.[.^=]*)+[ ]*=[=]+[.]*/i', $page, $sections, PREG_OFFSET_CAPTURE);
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		$sectionTxt = '';
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		$sectionTxt = '';
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		$debut_section = 0;
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		$debut_section = 0;
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		$lg_page = strlen($page);
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		$lg_page = strlen($page);
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		$fin_section = $lg_page;
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		$fin_section = $lg_page;
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127
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		if($num <= count($sections[1]) && $num > 0) {
128 
		if($num <= count($sections[1]) && $num > 0) {
106
129
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			$debut_section = $sections[1][$num - 1][1];
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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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			$separateur = trim($sections[1][$num - 1][0]);
109 
			$separateur_trouve = false;
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			$separateur_trouve = false;
110
133
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			for($i = $num; $i < count($sections[1]); $i++) {
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			for($i = $num; $i < count($sections[1]); $i++) {
112 
				$fin_section = $sections[1][$i][1];
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				$fin_section = $sections[1][$i][1];
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				if($separateur == trim($sections[1][$i][0])) {
 136 
				if($separateur == trim($sections[1][$i][0])) {
114 
					$separateur_trouve = true;
 137 
					$separateur_trouve = true;
115 
					break;
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					break;
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				}
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				}
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			}
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			}
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141
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			$fin_section = $separateur_trouve ? $fin_section : $lg_page;
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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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			$sectionTxt = substr($page, $debut_section, $fin_section - $debut_section);
121 
		} else {
 144 
		} else {
122 
			$sectionTxt = '';
 145 
			$sectionTxt = '';
123 
		}
146 
		}
124 
 
 147 
 
125 
		return $sectionTxt;
 148 
		return $sectionTxt;
126 
	}
 149 
	}
127
150
128 
	public function getSectionParTitre($page, $titre) {
 151 
	public function getSectionParTitre($page, $titre) {
129 
		$section = '';
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		$section = '';
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		$reg_exp = '/((=[=]+)[ ]*'.preg_quote(trim($titre), '/').'[ ]*=[=]+)[.]*/i';
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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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		$match = preg_split($reg_exp, $page, 2, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
132
155
133 
		if(count($match) > 3) {
 156 
		if(count($match) > 3) {
134 
			$section = explode(trim($match[2]), $match[3], 2);
 157 
			$section = explode(trim($match[2]), $match[3], 2);
135 
			$section = $match[1].' '.$section[0];
 158 
			$section = $match[1].' '.$section[0];
136 
		} elseif(count($match) == 2) {
 159 
		} elseif(count($match) == 2) {
137 
			$section = explode(trim($match[1]), $match[2], 2);
 160 
			$section = explode(trim($match[1]), $match[2], 2);
138 
			$section = $match[0].' '.$section[0];
 161 
			$section = $match[0].' '.$section[0];
139 
		} else {
 162 
		} else {
140 
			$section = "";
 163 
			$section = "";
141 
		}
 164 
		}
142
165
143 
		return $section;
 166 
		return $section;
144 
	}
 167 
	}
145
168
146 
	private function formaterRetour($page) {
 169 
	private function formaterRetour($page) {
- 
 
 170 
 
- 
 
 171 
		$mime = null;
- 
 
 172 
		$texte = '';
147 
 
 173
148 
		switch($this->retour) {
 174 
		switch($this->retour) {
149 
			case 'html':
 175 
			case 'html':
- 
 
 176 
				$texte = $this->wiki->Format($page["body"], "wakka");
150 
				$retour = $this->wiki->Format($page["body"], "wakka");
 177 
				$mime = self::MIME_HTML;
151 
				break;
 178 
				break;
152 
			default:
 179 
			default:
- 
 
 180 
				$texte = $page["body"];
153 
				$retour = $page["body"];
 181 
				$mime = self::MIME_TEXT;
- 
 
 182 
		}
- 
 
 183
- 
 
 184 
		$retour = array('id' => $this->pageNom,
- 
 
 185 
				'titre' => $this->pageNom,
- 
 
 186 
				'mime' => $mime,
- 
 
 187 
				'texte' => $texte,
- 
 
 188 
				'href' => '');
154 
		}
 189
155 
		return $retour;
 190 
		return $retour;
156 
	}
 - 
 
157
- 
 
158 
	private function formaterRetourHtml($retour) {
 - 
 
159
- 
 
160 
	}
 191 
	}
161 
}
192 
}
162 
?>
 193 
?>