0e68016b72
* Breaking Change: imagelinks renamed into imageusage (il->iu) * Bug fix: incorrect generator behavior in some cases
379 lines
8.8 KiB
PHP
379 lines
8.8 KiB
PHP
<?php
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/*
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* Created on Sep 7, 2006
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*
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* API for MediaWiki 1.8+
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*
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* Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*/
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if (!defined('MEDIAWIKI')) {
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// Eclipse helper - will be ignored in production
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require_once ('ApiBase.php');
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}
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/**
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* @addtogroup API
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*/
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abstract class ApiQueryBase extends ApiBase {
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private $mQueryModule, $tables, $where, $fields, $options;
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public function __construct($query, $moduleName, $paramPrefix = '') {
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parent :: __construct($query->getMain(), $moduleName, $paramPrefix);
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$this->mQueryModule = $query;
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$this->resetQueryParams();
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}
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protected function resetQueryParams() {
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$this->tables = array ();
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$this->where = array ();
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$this->fields = array ();
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$this->options = array ();
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}
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protected function addTables($value) {
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if (is_array($value))
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$this->tables = array_merge($this->tables, $value);
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else
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$this->tables[] = $value;
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}
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protected function addFields($value) {
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if (is_array($value))
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$this->fields = array_merge($this->fields, $value);
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else
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$this->fields[] = $value;
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}
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protected function addFieldsIf($value, $condition) {
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if ($condition) {
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$this->addFields($value);
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return true;
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}
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return false;
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}
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protected function addWhere($value) {
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if (is_array($value))
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$this->where = array_merge($this->where, $value);
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else
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$this->where[] = $value;
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}
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protected function addWhereIf($value, $condition) {
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if ($condition) {
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$this->addWhere($value);
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return true;
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}
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return false;
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}
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protected function addWhereFld($field, $value) {
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if (!is_null($value))
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$this->where[$field] = $value;
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}
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protected function addWhereRange($field, $dir, $start, $end) {
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$isDirNewer = ($dir === 'newer');
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$after = ($isDirNewer ? '>=' : '<=');
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$before = ($isDirNewer ? '<=' : '>=');
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$db = $this->getDB();
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if (!is_null($start))
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$this->addWhere($field . $after . $db->addQuotes($start));
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if (!is_null($end))
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$this->addWhere($field . $before . $db->addQuotes($end));
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$this->addOption('ORDER BY', $field . ($isDirNewer ? '' : ' DESC'));
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}
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protected function addOption($name, $value = null) {
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if (is_null($value))
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$this->options[] = $name;
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else
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$this->options[$name] = $value;
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}
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protected function select($method) {
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// getDB has its own profileDBIn/Out calls
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$db = $this->getDB();
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$this->profileDBIn();
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$res = $db->select($this->tables, $this->fields, $this->where, $method, $this->options);
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$this->profileDBOut();
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return $res;
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}
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protected function addRowInfo($prefix, $row) {
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$vals = array ();
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// ID
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if ( isset( $row-> { $prefix . '_id' } ) )
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$vals[$prefix . 'id'] = intval( $row-> { $prefix . '_id' } );
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// Title
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$title = ApiQueryBase :: addRowInfo_title($row, $prefix . '_namespace', $prefix . '_title');
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if ($title)
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ApiQueryBase :: addTitleInfo($vals, $title);
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switch ($prefix) {
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case 'page' :
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// page_is_redirect
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@ $tmp = $row->page_is_redirect;
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if ($tmp)
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$vals['redirect'] = '';
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break;
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case 'rc' :
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// PageId
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@ $tmp = $row->rc_cur_id;
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if (!is_null($tmp))
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$vals['pageid'] = intval($tmp);
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@ $tmp = $row->rc_this_oldid;
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if (!is_null($tmp))
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$vals['revid'] = intval($tmp);
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if ( isset( $row->rc_last_oldid ) )
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$vals['old_revid'] = intval( $row->rc_last_oldid );
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$title = ApiQueryBase :: addRowInfo_title($row, 'rc_moved_to_ns', 'rc_moved_to_title');
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if ($title) {
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if (!$title->userCanRead())
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return false;
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$vals['new_ns'] = $title->getNamespace();
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$vals['new_title'] = $title->getPrefixedText();
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}
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if ( isset( $row->rc_patrolled ) )
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$vals['patrolled'] = '';
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break;
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case 'log' :
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// PageId
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@ $tmp = $row->page_id;
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if (!is_null($tmp))
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$vals['pageid'] = intval($tmp);
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if ($row->log_params !== '') {
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$params = explode("\n", $row->log_params);
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if ($row->log_type == 'move' && isset ($params[0])) {
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$newTitle = Title :: newFromText($params[0]);
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if ($newTitle) {
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$vals['new_ns'] = $newTitle->getNamespace();
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$vals['new_title'] = $newTitle->getPrefixedText();
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$params = null;
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}
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}
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if (!empty ($params)) {
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$this->getResult()->setIndexedTagName($params, 'param');
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$vals = array_merge($vals, $params);
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}
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}
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break;
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case 'rev' :
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// PageID
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@ $tmp = $row->rev_page;
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if (!is_null($tmp))
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$vals['pageid'] = intval($tmp);
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}
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// Type
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@ $tmp = $row-> {
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$prefix . '_type' };
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if (!is_null($tmp))
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$vals['type'] = $tmp;
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// Action
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@ $tmp = $row-> {
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$prefix . '_action' };
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if (!is_null($tmp))
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$vals['action'] = $tmp;
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// Old ID
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@ $tmp = $row-> {
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$prefix . '_text_id' };
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if (!is_null($tmp))
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$vals['oldid'] = intval($tmp);
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// User Name / Anon IP
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@ $tmp = $row-> {
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$prefix . '_user_text' };
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if (is_null($tmp))
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@ $tmp = $row->user_name;
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if (!is_null($tmp)) {
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$vals['user'] = $tmp;
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@ $tmp = !$row-> {
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$prefix . '_user' };
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if (!is_null($tmp) && $tmp)
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$vals['anon'] = '';
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}
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// Bot Edit
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@ $tmp = $row-> {
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$prefix . '_bot' };
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if (!is_null($tmp) && $tmp)
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$vals['bot'] = '';
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// New Edit
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@ $tmp = $row-> {
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$prefix . '_new' };
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if (is_null($tmp))
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@ $tmp = $row-> {
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$prefix . '_is_new' };
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if (!is_null($tmp) && $tmp)
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$vals['new'] = '';
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// Minor Edit
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@ $tmp = $row-> {
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$prefix . '_minor_edit' };
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if (is_null($tmp))
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@ $tmp = $row-> {
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$prefix . '_minor' };
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if (!is_null($tmp) && $tmp)
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$vals['minor'] = '';
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// Timestamp
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@ $tmp = $row-> {
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$prefix . '_timestamp' };
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if (!is_null($tmp))
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$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $tmp);
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// Comment
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@ $tmp = $row-> {
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$prefix . '_comment' };
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if (!empty ($tmp)) // optimize bandwidth
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$vals['comment'] = $tmp;
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return $vals;
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}
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protected static function addTitleInfo(&$arr, $title) {
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$arr['ns'] = $title->getNamespace();
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$arr['title'] = $title->getPrefixedText();
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}
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private static function addRowInfo_title($row, $nsfld, $titlefld) {
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if ( isset( $row-> $nsfld ) ) {
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$ns = $row-> $nsfld;
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@ $title = $row-> $titlefld;
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if (!empty ($title))
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return Title :: makeTitle($ns, $title);
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}
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return false;
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}
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/**
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* Override this method to request extra fields from the pageSet
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* using $this->getPageSet()->requestField('fieldName')
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*/
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public function requestExtraData() {
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}
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/**
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* Get the main Query module
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*/
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public function getQuery() {
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return $this->mQueryModule;
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}
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protected function setContinueEnumParameter($paramName, $paramValue) {
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$msg = array (
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$this->encodeParamName($paramName
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) => $paramValue);
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$this->getResult()->addValue('query-continue', $this->getModuleName(), $msg);
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}
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/**
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* Get the Query database connection (readonly)
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*/
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protected function getDB() {
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return $this->getQuery()->getDB();
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}
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/**
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* Get the PageSet object to work on
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* @return ApiPageSet data
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*/
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protected function getPageSet() {
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return $this->mQueryModule->getPageSet();
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}
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/**
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* This is a very simplistic utility function
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* to convert a non-namespaced title string to a db key.
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* It will replace all ' ' with '_'
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*/
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public static function titleToKey($title) {
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return str_replace(' ', '_', $title);
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}
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public static function keyToTitle($key) {
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return str_replace('_', ' ', $key);
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}
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public static function getBaseVersion() {
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return __CLASS__ . ': $Id$';
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}
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}
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/**
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* @addtogroup API
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*/
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abstract class ApiQueryGeneratorBase extends ApiQueryBase {
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private $mIsGenerator;
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public function __construct($query, $moduleName, $paramPrefix = '') {
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parent :: __construct($query, $moduleName, $paramPrefix);
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$this->mIsGenerator = false;
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}
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public function setGeneratorMode() {
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$this->mIsGenerator = true;
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}
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/**
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* Overrides base class to prepend 'g' to every generator parameter
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*/
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public function encodeParamName($paramName) {
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if ($this->mIsGenerator)
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return 'g' . parent :: encodeParamName($paramName);
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else
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return parent :: encodeParamName($paramName);
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}
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/**
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* Execute this module as a generator
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* @param $resultPageSet PageSet: All output should be appended to this object
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*/
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public abstract function executeGenerator($resultPageSet);
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}
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?>
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