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Refactor, add Targets class.
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@ -1,44 +1,32 @@
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<?php
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/*
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* Copyright 2012-2017 Daniel Kraus <bovender@bovender.de> ('bovender')
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/**
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* The LinkTitles\Extension class provides entry points for the extension.
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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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* Copyright 2012-2017 Daniel Kraus <bovender@bovender.de> ('bovender')
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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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* 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* @author Daniel Kraus <bovender@bovender.de>
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*/
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/// @file
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namespace LinkTitles;
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/// Helper function for development and debugging.
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/// @param $var Any variable. Raw content will be dumped to stderr.
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/// @return undefined
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function dump($var) {
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error_log(print_r($var, TRUE) . "\n", 3, 'php://stderr');
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};
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/// Central class of the extension. Sets up parser hooks.
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/// This class contains only static functions; do not instantiate.
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/**
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* Provides entry points for the extension.
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*/
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class Extension {
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/// Caching variable for page titles that are fetched from the DB.
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private static $pageTitles;
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/// Caching variable for the current namespace.
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/// This is needed because the sort order of the page titles that
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/// are cached in self::$pageTitles depends on the namespace of
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/// the page currently being processed.
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private static $currentNamespace;
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/// A Title object for the page that is being parsed.
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private static $currentTitle;
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@ -73,12 +61,6 @@ class Extension {
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self::BuildDelimiters();
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}
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/// Helper method to be used in unit testing, were everything takes place
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/// in one request.
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public static function invalidateCache() {
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self::fetchPageTitles();
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}
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/// Event handler that is hooked to the PageContentSave event.
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public static function onPageContentSave( &$wikiPage, &$user, &$content, &$summary,
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$isMinor, $isWatch, $section, &$flags, &$status ) {
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@ -136,16 +118,12 @@ class Extension {
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( $wgLinkTitlesFirstOnly ) ? $limit = 1 : $limit = -1;
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$limitReached = false;
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self::$currentTitle = $title;
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$currentNamespace = $title->getNamespace();
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$newText = $text;
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if ( !isset( self::$pageTitles ) || ( $currentNamespace != self::$currentNamespace ) ) {
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self::$currentNamespace = $currentNamespace;
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self::fetchPageTitles();
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}
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$targets = Targets::default( $title, new Config() );
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// Iterate through the page titles
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foreach( self::$pageTitles as $row ) {
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foreach( $targets->queryResult as $row ) {
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self::newTarget( $row->page_namespace, $row->page_title );
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// Don't link current page
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@ -274,67 +252,6 @@ class Extension {
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return $output;
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}
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// Fetches the page titles from the database.
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private static function fetchPageTitles() {
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global $wgLinkTitlesPreferShortTitles;
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global $wgLinkTitlesMinimumTitleLength;
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global $wgLinkTitlesBlackList;
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global $wgLinkTitlesNamespaces;
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( $wgLinkTitlesPreferShortTitles ) ? $sort_order = 'ASC' : $sort_order = 'DESC';
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// Build a blacklist of pages that are not supposed to be link
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// targets. This includes the current page.
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$blackList = str_replace( ' ', '_', '("' . implode( '","',$wgLinkTitlesBlackList ) . '")' );
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// Build our weight list. Make sure current namespace is first element
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$namespaces = array_diff( $wgLinkTitlesNamespaces, [ self::$currentNamespace ] );
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array_unshift( $namespaces, self::$currentNamespace );
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// No need for sanitiy check. we are sure that we have at least one element in the array
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$weightSelect = "CASE page_namespace ";
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$currentWeight = 0;
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foreach ($namespaces as &$namspacevalue) {
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$currentWeight = $currentWeight + 100;
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$weightSelect = $weightSelect . " WHEN " . $namspacevalue . " THEN " . $currentWeight . PHP_EOL;
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}
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$weightSelect = $weightSelect . " END ";
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$namespacesClause = '(' . implode( ', ', $namespaces ) . ')';
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// Build an SQL query and fetch all page titles ordered by length from
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// shortest to longest. Only titles from 'normal' pages (namespace uid
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// = 0) are returned. Since the db may be sqlite, we need a try..catch
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// structure because sqlite does not support the CHAR_LENGTH function.
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$dbr = wfGetDB( DB_SLAVE );
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try {
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$res = $dbr->select(
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'page',
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array( 'page_title', 'page_namespace' , "weight" => $weightSelect),
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array(
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'page_namespace IN ' . $namespacesClause,
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'CHAR_LENGTH(page_title) >= ' . $wgLinkTitlesMinimumTitleLength,
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'page_title NOT IN ' . $blackList,
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),
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__METHOD__,
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array( 'ORDER BY' => 'weight ASC, CHAR_LENGTH(page_title) ' . $sort_order )
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);
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} catch (Exception $e) {
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$res = $dbr->select(
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'page',
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array( 'page_title', 'page_namespace' , "weight" => $weightSelect ),
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array(
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'page_namespace IN ' . $namespacesClause,
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'LENGTH(page_title) >= ' . $wgLinkTitlesMinimumTitleLength,
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'page_title NOT IN ' . $blackList,
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),
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__METHOD__,
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array( 'ORDER BY' => 'weight ASC, LENGTH(page_title) ' . $sort_order )
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);
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}
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self::$pageTitles = $res;
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return true;
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}
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// Build an anonymous callback function to be used in simple mode.
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private static function simpleModeCallback( array $matches ) {
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if ( self::checkTargetPage() ) {
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