mirror of
https://github.com/YunoHost-Apps/spip_ynh.git
synced 2024-09-03 20:25:59 +02:00
703 lines
16 KiB
PHP
703 lines
16 KiB
PHP
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<?php
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/***************************************************************************\
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* SPIP, Systeme de publication pour l'internet *
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* *
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* Copyright (c) 2001-2014 *
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* Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
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* *
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* Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
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* Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
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\***************************************************************************/
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if (!defined('_ECRIRE_INC_VERSION')) return;
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if (!defined('_DATA_SOURCE_MAX_SIZE')) define('_DATA_SOURCE_MAX_SIZE',2*1048576);
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/**
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* creer une boucle sur un iterateur DATA
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* annonce au compilo les "champs" disponibles
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*
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* @param $b
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* @return
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*/
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function iterateur_DATA_dist($b) {
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$b->iterateur = 'DATA'; # designe la classe d'iterateur
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$b->show = array(
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'field' => array(
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'cle' => 'STRING',
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'valeur' => 'STRING',
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'*' => 'ALL' // Champ joker *
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)
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);
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$b->select[] = '.valeur';
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return $b;
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}
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/**
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* IterateurDATA pour iterer sur des donnees
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*/
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class IterateurDATA implements Iterator {
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/**
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* tableau de donnees
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* @var array
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*/
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protected $tableau = array();
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/**
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* Conditions de filtrage
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* ie criteres de selection
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* @var array
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*/
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protected $filtre = array();
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/**
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* Cle courante
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* @var null
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*/
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protected $cle = null;
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/**
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* Valeur courante
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* @var null
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*/
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protected $valeur = null;
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/**
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* Erreur presente ?
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*
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* @var bool
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**/
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public $err = false;
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/**
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* Calcul du total des elements
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*
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* @var int|null
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**/
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public $total = null;
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/**
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* Constructeur
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*
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* @param $command
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* @param array $info
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*/
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public function __construct($command, $info=array()) {
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$this->type='DATA';
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$this->command = $command;
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$this->info = $info;
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$this->select($command);
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}
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/**
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* Revenir au depart
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* @return void
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*/
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public function rewind() {
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reset($this->tableau);
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list($this->cle, $this->valeur) = each($this->tableau);
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}
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/**
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* Declarer les criteres exceptions
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* @return array
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*/
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public function exception_des_criteres() {
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return array('tableau');
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}
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/**
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* Recuperer depuis le cache si possible
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* @param $cle
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* @return
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*/
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protected function cache_get($cle) {
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if (!$cle) return;
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# utiliser memoization si dispo
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include_spip('inc/memoization');
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if (!function_exists('cache_get')) return;
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return cache_get($cle);
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}
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/**
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* Stocker en cache si possible
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* @param $cle
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* @param $ttl
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* @return
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*/
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protected function cache_set($cle, $ttl, $valeur = null) {
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if (!$cle) return;
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if (is_null($valeur)) {
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$valeur = $this->tableau;
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}
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# utiliser memoization si dispo
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include_spip('inc/memoization');
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if (!function_exists('cache_set')) return;
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return cache_set($cle,
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array(
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'data' => $valeur,
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'time' => time(),
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'ttl' => $ttl
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),
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3600 + $ttl);
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# conserver le cache 1h de plus que la validite demandee,
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# pour le cas ou le serveur distant ne reponde plus
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}
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/**
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* Aller chercher les donnees de la boucle DATA
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*
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* @throws Exception
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* @param $command
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* @return void
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*/
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protected function select($command) {
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// l'iterateur DATA peut etre appele en passant (data:type)
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// le type se retrouve dans la commande 'from'
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// dans ce cas la le critere {source}, si present, n'a pas besoin du 1er argument
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if (isset($this->command['from'][0])) {
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if (isset($this->command['source']) and is_array($this->command['source'])) {
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array_unshift($this->command['source'], $this->command['sourcemode']);
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}
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$this->command['sourcemode'] = $this->command['from'][0];
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}
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// cherchons differents moyens de creer le tableau de donnees
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// les commandes connues pour l'iterateur DATA
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// sont : {tableau #ARRAY} ; {cle=...} ; {valeur=...}
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// {source format, [URL], [arg2]...}
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if (isset($this->command['source'])
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AND isset($this->command['sourcemode'])) {
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$this->select_source();
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}
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// Critere {liste X1, X2, X3}
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if (isset($this->command['liste'])) {
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$this->select_liste();
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}
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if (isset($this->command['enum'])) {
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$this->select_enum();
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}
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// Si a ce stade on n'a pas de table, il y a un bug
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if (!is_array($this->tableau)) {
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$this->err = true;
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spip_log("erreur datasource ".var_export($command,true));
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}
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// {datapath query.results}
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// extraire le chemin "query.results" du tableau de donnees
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if (!$this->err
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AND isset($this->command['datapath'])
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AND is_array($this->command['datapath'])) {
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$this->select_datapath();
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}
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// tri {par x}
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if ($this->command['orderby']) {
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$this->select_orderby();
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}
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// grouper les resultats {fusion /x/y/z} ;
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if ($this->command['groupby']) {
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$this->select_groupby();
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}
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$this->rewind();
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#var_dump($this->tableau);
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}
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/**
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* Aller chercher les donnees de la boucle DATA
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* depuis une source
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* {source format, [URL], [arg2]...}
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*/
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protected function select_source() {
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# un peu crado : avant de charger le cache il faut charger
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# les class indispensables, sinon PHP ne saura pas gerer
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# l'objet en cache ; cf plugins/icalendar
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# perf : pas de fonction table_to_array ! (table est deja un array)
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if (isset($this->command['sourcemode'])
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AND !in_array($this->command['sourcemode'],array('table', 'array', 'tableau')))
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charger_fonction($this->command['sourcemode'] . '_to_array', 'inc', true);
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# le premier argument peut etre un array, une URL etc.
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$src = $this->command['source'][0];
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# avons-nous un cache dispo ?
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$cle = null;
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if (is_string($src))
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$cle = 'datasource_'.md5($this->command['sourcemode'].':'.var_export($this->command['source'],true));
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$cache = $this->cache_get($cle);
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if (isset($this->command['datacache']))
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$ttl = intval($this->command['datacache']);
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if ($cache
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AND ($cache['time'] + (isset($ttl) ? $ttl : $cache['ttl'])
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> time())
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AND !(_request('var_mode') === 'recalcul'
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AND include_spip('inc/autoriser')
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AND autoriser('recalcul')
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)) {
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$this->tableau = $cache['data'];
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}
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else try {
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# dommage que ca ne soit pas une option de yql_to_array...
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if ($this->command['sourcemode'] == 'yql')
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if (!isset($ttl)) $ttl = 3600;
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if (isset($this->command['sourcemode'])
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AND in_array($this->command['sourcemode'],
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array('table', 'array', 'tableau'))
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) {
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if (is_array($a = $src)
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OR (is_string($a)
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AND $a = str_replace('"', '"', $a) # fragile!
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AND is_array($a = @unserialize($a)))
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)
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$this->tableau = $a;
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}
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else {
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if (preg_match(',^https?://,', $src)) {
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include_spip('inc/distant');
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$u = recuperer_page($src, false, false, _DATA_SOURCE_MAX_SIZE);
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if (!$u)
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throw new Exception("404");
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if (!isset($ttl)) $ttl = 24*3600;
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} else if (@is_dir($src)) {
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$u = $src;
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if (!isset($ttl)) $ttl = 10;
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} else if (@is_readable($src) && @is_file($src)) {
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$u = spip_file_get_contents($src);
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if (!isset($ttl)) $ttl = 10;
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} else {
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$u = $src;
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if (!isset($ttl)) $ttl = 10;
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}
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if (!$this->err
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AND $g = charger_fonction($this->command['sourcemode'] . '_to_array', 'inc', true)) {
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$args = $this->command['source'];
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$args[0] = $u;
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if (is_array($a = call_user_func_array($g,$args))) {
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$this->tableau = $a;
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}
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}
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}
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if (!is_array($this->tableau))
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$this->err = true;
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if (!$this->err AND isset($ttl) and $ttl>0)
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$this->cache_set($cle, $ttl);
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}
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catch (Exception $e) {
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$e = $e->getMessage();
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$err = sprintf("[%s, %s] $e",
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$src,
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$this->command['sourcemode']);
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erreur_squelette(array($err, array()));
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$this->err = true;
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}
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# en cas d'erreur, utiliser le cache si encore dispo
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if ($this->err
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AND $cache) {
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$this->tableau = $cache['data'];
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$this->err = false;
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}
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}
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/**
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* Retourne un tableau donne depuis un critere liste
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* Critere {liste X1, X2, X3}
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*
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**/
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protected function select_liste() {
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# s'il n'y a qu'une valeur dans la liste, sans doute une #BALISE
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if (!isset($this->command['liste'][1])) {
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if (!is_array($this->command['liste'][0])) {
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$this->command['liste'] = explode(',', $this->command['liste'][0]);
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} else {
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$this->command['liste'] = $this->command['liste'][0];
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}
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}
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$this->tableau = $this->command['liste'];
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}
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/**
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* Retourne un tableau donne depuis un critere liste
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* Critere {enum Xmin, Xmax}
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*
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**/
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protected function select_enum() {
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# s'il n'y a qu'une valeur dans la liste, sans doute une #BALISE
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if (!isset($this->command['enum'][1])) {
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if (!is_array($this->command['enum'][0])) {
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$this->command['enum'] = explode(',', $this->command['enum'][0]);
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} else {
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$this->command['enum'] = $this->command['enum'][0];
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}
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}
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if (count($this->command['enum'])>=3)
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$enum = range(array_shift($this->command['enum']),array_shift($this->command['enum']),array_shift($this->command['enum']));
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else
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$enum = range(array_shift($this->command['enum']),array_shift($this->command['enum']));
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$this->tableau = $enum;
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}
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/**
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* extraire le chemin "query.results" du tableau de donnees
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* {datapath query.results}
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*
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**/
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protected function select_datapath() {
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list(,$base) = each($this->command['datapath']);
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if (strlen($base = ltrim(trim($base),"/"))) {
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$this->tableau = table_valeur($this->tableau, $base);
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if (!is_array($this->tableau)) {
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$this->tableau = array();
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$this->err = true;
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spip_log("datapath '$base' absent");
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}
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}
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}
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/**
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* Ordonner les resultats
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* {par x}
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*
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**/
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protected function select_orderby() {
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$sortfunc = '';
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$aleas = 0;
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foreach($this->command['orderby'] as $tri) {
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// virer le / initial pour les criteres de la forme {par /xx}
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if (preg_match(',^\.?([/\w]+)( DESC)?$,iS', ltrim($tri, '/'), $r)) {
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// tri par cle
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if ($r[1] == 'cle'){
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if (isset($r[2]) and $r[2])
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krsort($this->tableau);
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else
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ksort($this->tableau);
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}
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# {par hasard}
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else if ($r[1] == 'alea') {
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$k = array_keys($this->tableau);
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shuffle($k);
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$v = array();
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foreach($k as $cle)
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$v[$cle] = $this->tableau[$cle];
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$this->tableau = $v;
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}
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else {
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# {par valeur}
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if ($r[1] == 'valeur')
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$tv = '%s';
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# {par valeur/xx/yy} ??
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else
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$tv = 'table_valeur(%s, '.var_export($r[1],true).')';
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$sortfunc .= '
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$a = '.sprintf($tv,'$aa').';
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$b = '.sprintf($tv,'$bb').';
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if ($a <> $b)
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return ($a ' . ($r[2] ? '>' : '<').' $b) ? -1 : 1;';
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}
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}
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}
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if ($sortfunc) {
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uasort($this->tableau, create_function('$aa,$bb',
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$sortfunc.'
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return 0;'
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));
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}
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}
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/**
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* Grouper les resultats
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* {fusion /x/y/z}
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*
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**/
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protected function select_groupby() {
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// virer le / initial pour les criteres de la forme {fusion /xx}
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if (strlen($fusion = ltrim($this->command['groupby'][0], '/'))) {
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$vu = array();
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foreach($this->tableau as $k => $v) {
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$val = table_valeur($v, $fusion);
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if (isset($vu[$val]))
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unset($this->tableau[$k]);
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else
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$vu[$val] = true;
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}
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}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* L'iterateur est-il encore valide ?
|
||
|
* @return bool
|
||
|
*/
|
||
|
public function valid(){
|
||
|
return !is_null($this->cle);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Retourner la valeur
|
||
|
* @return null
|
||
|
*/
|
||
|
public function current() {
|
||
|
return $this->valeur;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Retourner la cle
|
||
|
* @return null
|
||
|
*/
|
||
|
public function key() {
|
||
|
return $this->cle;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Passer a la valeur suivante
|
||
|
* @return void
|
||
|
*/
|
||
|
public function next(){
|
||
|
if ($this->valid())
|
||
|
list($this->cle, $this->valeur) = each($this->tableau);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compter le nombre total de resultats
|
||
|
* @return int
|
||
|
*/
|
||
|
public function count() {
|
||
|
if (is_null($this->total))
|
||
|
$this->total = count($this->tableau);
|
||
|
return $this->total;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Fonctions de transformation donnee => tableau
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* file -> tableau
|
||
|
*
|
||
|
* @param string $u
|
||
|
* @return array
|
||
|
*/
|
||
|
function inc_file_to_array_dist($u) {
|
||
|
return preg_split('/\r?\n/', $u);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* plugins -> tableau
|
||
|
* @return unknown
|
||
|
*/
|
||
|
function inc_plugins_to_array_dist() {
|
||
|
include_spip('inc/plugin');
|
||
|
return liste_chemin_plugin_actifs();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* xml -> tableau
|
||
|
* @param string $u
|
||
|
* @return array
|
||
|
*/
|
||
|
function inc_xml_to_array_dist($u) {
|
||
|
return @ObjectToArray(new SimpleXmlIterator($u));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* yql -> tableau
|
||
|
* @throws Exception
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_yql_to_array_dist($u) {
|
||
|
define('_YQL_ENDPOINT', 'http://query.yahooapis.com/v1/public/yql?&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&q=');
|
||
|
$v = recuperer_page($url = _YQL_ENDPOINT.urlencode($u).'&format=json');
|
||
|
$w = json_decode($v);
|
||
|
if (!$w) {
|
||
|
throw new Exception('YQL: réponse vide ou mal formée');
|
||
|
return false;
|
||
|
}
|
||
|
return (array) $w;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* sql -> tableau
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_sql_to_array_dist($u) {
|
||
|
# sortir le connecteur de $u
|
||
|
preg_match(',^(?:(\w+):)?(.*)$,S', $u, $v);
|
||
|
$serveur = (string) $v[1];
|
||
|
$req = trim($v[2]);
|
||
|
if ($s = sql_query($req, $serveur)) {
|
||
|
$r = array();
|
||
|
while ($t = sql_fetch($s))
|
||
|
$r[] = $t;
|
||
|
return $r;
|
||
|
}
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* json -> tableau
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_json_to_array_dist($u) {
|
||
|
if (is_array($json = json_decode($u))
|
||
|
OR is_object($json))
|
||
|
return (array) $json;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* csv -> tableau
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_csv_to_array_dist($u) {
|
||
|
include_spip('inc/csv');
|
||
|
list($entete,$csv) = analyse_csv($u);
|
||
|
array_unshift($csv,$entete);
|
||
|
|
||
|
include_spip('inc/charsets');
|
||
|
foreach ($entete as $k => $v) {
|
||
|
$v = strtolower(preg_replace(',\W+,', '_', translitteration($v)));
|
||
|
foreach ($csv as &$item)
|
||
|
$item[$v] = &$item[$k];
|
||
|
}
|
||
|
return $csv;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* RSS -> tableau
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_rss_to_array_dist($u) {
|
||
|
include_spip('inc/syndic');
|
||
|
if (is_array($rss = analyser_backend($u)))
|
||
|
$tableau = $rss;
|
||
|
return $tableau;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* atom, alias de rss -> tableau
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_atom_to_array_dist($u) {
|
||
|
$g = charger_fonction('rss_to_array', 'inc');
|
||
|
return $g($u);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* glob -> tableau
|
||
|
* lister des fichiers selon un masque, pour la syntaxe cf php.net/glob
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_glob_to_array_dist($u) {
|
||
|
return (array) glob($u,
|
||
|
GLOB_MARK | GLOB_NOSORT | GLOB_BRACE
|
||
|
);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* YAML -> tableau
|
||
|
* @param string $u
|
||
|
* @return bool|array
|
||
|
* @throws Exception
|
||
|
*/
|
||
|
function inc_yaml_to_array_dist($u){
|
||
|
include_spip('inc/yaml-mini');
|
||
|
if (!function_exists("yaml_decode")){
|
||
|
throw new Exception('YAML: impossible de trouver la fonction yaml_decode');
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
return yaml_decode($u);
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* pregfiles -> tableau
|
||
|
* lister des fichiers a partir d'un dossier de base et selon une regexp.
|
||
|
* pour la syntaxe cf la fonction spip preg_files
|
||
|
* @param string $dir
|
||
|
* @param string $regexp
|
||
|
* @param int $limit
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_pregfiles_to_array_dist($dir, $regexp=-1, $limit=10000) {
|
||
|
return (array) preg_files($dir, $regexp, $limit);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ls -> tableau
|
||
|
* ls : lister des fichiers selon un masque glob
|
||
|
* et renvoyer aussi leurs donnees php.net/stat
|
||
|
* @param string $u
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function inc_ls_to_array_dist($u) {
|
||
|
$glob = charger_fonction('glob_to_array', 'inc');
|
||
|
$a = $glob($u);
|
||
|
foreach ($a as &$v) {
|
||
|
$b = (array) @stat($v);
|
||
|
foreach ($b as $k => $ignore)
|
||
|
if (is_numeric($k)) unset($b[$k]);
|
||
|
$b['file'] = basename($v);
|
||
|
$v = array_merge(
|
||
|
pathinfo($v),
|
||
|
$b
|
||
|
);
|
||
|
}
|
||
|
return $a;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Object -> tableau
|
||
|
* @param Object $object
|
||
|
* @return array|bool
|
||
|
*/
|
||
|
function ObjectToArray($object){
|
||
|
$xml_array = array();
|
||
|
for( $object->rewind(); $object->valid(); $object->next() ) {
|
||
|
if(array_key_exists($key = $object->key(), $xml_array)){
|
||
|
$key .= '-'.uniqid();
|
||
|
}
|
||
|
$vars = get_object_vars($object->current());
|
||
|
if (isset($vars['@attributes']))
|
||
|
foreach($vars['@attributes'] as $k => $v)
|
||
|
$xml_array[$key][$k] = $v;
|
||
|
if($object->hasChildren()){
|
||
|
$xml_array[$key][] = ObjectToArray(
|
||
|
$object->current());
|
||
|
}
|
||
|
else{
|
||
|
$xml_array[$key][] = strval($object->current());
|
||
|
}
|
||
|
}
|
||
|
return $xml_array;
|
||
|
}
|
||
|
?>
|