MediaWiki REL1_30
SearchUpdate.php
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1<?php
27
35 private $id = 0;
36
38 private $title;
39
41 private $content;
42
44 private $page;
45
53 public function __construct( $id, $title, $c = false ) {
54 if ( is_string( $title ) ) {
55 $nt = Title::newFromText( $title );
56 } else {
57 $nt = $title;
58 }
59
60 if ( $nt ) {
61 $this->id = $id;
62 // is_string() check is back-compat for ApprovedRevs
63 if ( is_string( $c ) ) {
64 $this->content = new TextContent( $c );
65 } else {
66 $this->content = $c ?: false;
67 }
68 $this->title = $nt;
69 } else {
70 wfDebug( "SearchUpdate object created with invalid title '$title'\n" );
71 }
72 }
73
77 public function doUpdate() {
78 $config = MediaWikiServices::getInstance()->getSearchEngineConfig();
79
80 if ( $config->getConfig()->get( 'DisableSearchUpdate' ) || !$this->id ) {
81 return;
82 }
83
84 $seFactory = MediaWikiServices::getInstance()->getSearchEngineFactory();
85 foreach ( $config->getSearchTypes() as $type ) {
86 $search = $seFactory->create( $type );
87 if ( !$search->supports( 'search-update' ) ) {
88 continue;
89 }
90
91 $normalTitle = $this->getNormalizedTitle( $search );
92
93 if ( $this->getLatestPage() === null ) {
94 $search->delete( $this->id, $normalTitle );
95 continue;
96 } elseif ( $this->content === false ) {
97 $search->updateTitle( $this->id, $normalTitle );
98 continue;
99 }
100
101 $text = $search->getTextFromContent( $this->title, $this->content );
102 if ( !$search->textAlreadyUpdatedForIndex() ) {
103 $text = $this->updateText( $text, $search );
104 }
105
106 # Perform the actual update
107 $search->update( $this->id, $normalTitle, $search->normalizeText( $text ) );
108 }
109 }
110
119 public function updateText( $text, SearchEngine $se = null ) {
121
122 # Language-specific strip/conversion
123 $text = $wgContLang->normalizeForSearch( $text );
124 $se = $se ?: MediaWikiServices::getInstance()->newSearchEngine();
125 $lc = $se->legalSearchChars() . '&#;';
126
127 $text = preg_replace( "/<\\/?\\s*[A-Za-z][^>]*?>/",
128 ' ', $wgContLang->lc( " " . $text . " " ) ); # Strip HTML markup
129 $text = preg_replace( "/(^|\\n)==\\s*([^\\n]+)\\s*==(\\s)/sD",
130 "\\1\\2 \\2 \\2\\3", $text ); # Emphasize headings
131
132 # Strip external URLs
133 $uc = "A-Za-z0-9_\\/:.,~%\\-+&;#?!=()@\\x80-\\xFF";
134 $protos = "http|https|ftp|mailto|news|gopher";
135 $pat = "/(^|[^\\[])({$protos}):[{$uc}]+([^{$uc}]|$)/";
136 $text = preg_replace( $pat, "\\1 \\3", $text );
137
138 $p1 = "/([^\\[])\\[({$protos}):[{$uc}]+]/";
139 $p2 = "/([^\\[])\\[({$protos}):[{$uc}]+\\s+([^\\]]+)]/";
140 $text = preg_replace( $p1, "\\1 ", $text );
141 $text = preg_replace( $p2, "\\1 \\3 ", $text );
142
143 # Internal image links
144 $pat2 = "/\\[\\[image:([{$uc}]+)\\.(gif|png|jpg|jpeg)([^{$uc}])/i";
145 $text = preg_replace( $pat2, " \\1 \\3", $text );
146
147 $text = preg_replace( "/([^{$lc}])([{$lc}]+)]]([a-z]+)/",
148 "\\1\\2 \\2\\3", $text ); # Handle [[game]]s
149
150 # Strip all remaining non-search characters
151 $text = preg_replace( "/[^{$lc}]+/", " ", $text );
152
169 $text = strrev( preg_replace( "/ s'([{$lc}]+)/", " s'\\1 \\1", strrev( $text ) ) );
170 $text = strrev( preg_replace( "/ 's([{$lc}]+)/", " s\\1", strrev( $text ) ) );
171
172 # Strip wiki '' and '''
173 $text = preg_replace( "/''[']*/", " ", $text );
174
175 return $text;
176 }
177
187 private function getLatestPage() {
188 if ( !isset( $this->page ) ) {
189 $this->page = WikiPage::newFromID( $this->id, WikiPage::READ_LATEST );
190 }
191
192 return $this->page;
193 }
194
202 private function getNormalizedTitle( SearchEngine $search ) {
204
205 $ns = $this->title->getNamespace();
206 $title = $this->title->getText();
207
208 $lc = $search->legalSearchChars() . '&#;';
209 $t = $wgContLang->normalizeForSearch( $title );
210 $t = preg_replace( "/[^{$lc}]+/", ' ', $t );
211 $t = $wgContLang->lc( $t );
212
213 # Handle 's, s'
214 $t = preg_replace( "/([{$lc}]+)'s( |$)/", "\\1 \\1's ", $t );
215 $t = preg_replace( "/([{$lc}]+)s'( |$)/", "\\1s ", $t );
216
217 $t = preg_replace( "/\\s+/", ' ', $t );
218
219 if ( $ns == NS_FILE ) {
220 $t = preg_replace( "/ (png|gif|jpg|jpeg|ogg)$/", "", $t );
221 }
222
223 return $search->normalizeText( trim( $t ) );
224 }
225}
Apache License January AND DISTRIBUTION Definitions License shall mean the terms and conditions for use
target page
to move a page</td >< td > &*You are moving the page across *A non empty talk page already exists under the new or *You uncheck the box below In those you will have to move or merge the page manually if desired</td >< td > be sure to &You are responsible for making sure that links continue to point where they are supposed to go Note that the page will &a page at the new title
wfDebug( $text, $dest='all', array $context=[])
Sends a line to the debug log if enabled or, optionally, to a comment in output.
MediaWikiServices is the service locator for the application scope of MediaWiki.
Contain a class for special pages.
normalizeText( $string)
When overridden in derived class, performs database-specific conversions on text to be used for searc...
static legalSearchChars( $type=self::CHARS_ALL)
Get chars legal for search NOTE: usage as static is deprecated and preserved only as BC measure.
Database independant search index updater.
WikiPage $page
getLatestPage()
Get WikiPage for the SearchUpdate $id using WikiPage::READ_LATEST and ensure using the same WikiPage ...
updateText( $text, SearchEngine $se=null)
Clean text for indexing.
__construct( $id, $title, $c=false)
getNormalizedTitle(SearchEngine $search)
Get a normalized string representation of a title suitable for including in a search index.
Content bool $content
Content of the page (not text)
doUpdate()
Perform actual update for the entry.
Title $title
Title we're updating.
int $id
Page id being updated.
Content object implementation for representing flat text.
Represents a title within MediaWiki.
Definition Title.php:39
Class representing a MediaWiki article and history.
Definition WikiPage.php:37
static newFromID( $id, $from='fromdb')
Constructor from a page id.
Definition WikiPage.php:159
per default it will return the text for text based content
this class mediates it Skin Encapsulates a look and feel for the wiki All of the functions that render HTML and make choices about how to render it are here and are called from various other places when and is meant to be subclassed with other skins that may override some of its functions The User object contains a reference to a and so rather than having a global skin object we just rely on the global User and get the skin with $wgUser and also has some character encoding functions and other locale stuff The current user interface language is instantiated as and the local content language as $wgContLang
Definition design.txt:57
when a variable name is used in a it is silently declared as a new local masking the global
Definition design.txt:95
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
const NS_FILE
Definition Defines.php:71
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition injection.txt:37
Base interface for content objects.
Definition Content.php:34
Interface that deferrable updates should implement.