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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Parser;
use MediaWiki\HookContainer\HookContainer;
use MediaWiki\HookContainer\HookRunner;
use MediaWiki\Language\Language;
/**
* Store information about magic words, and create/cache MagicWord objects.
*
* See docs/magicword.md.
*
* Possible future improvements:
* * Simultaneous searching for a number of magic words
* * $mObjects in shared memory
*
* @since 1.32
* @ingroup Parser
*/
class MagicWordFactory {
private bool $mVariableIDsInitialised = false;
/** @var string[] */
private array $mVariableIDs = [
'!',
'=',
'currentmonth',
'currentmonth1',
'currentmonthname',
'currentmonthnamegen',
'currentmonthabbrev',
'currentday',
'currentday2',
'currentdayname',
'currentyear',
'currenttime',
'currenthour',
'localmonth',
'localmonth1',
'localmonthname',
'localmonthnamegen',
'localmonthabbrev',
'localday',
'localday2',
'localdayname',
'localyear',
'localtime',
'localhour',
'numberofarticles',
'numberoffiles',
'numberofedits',
'articlepath',
'pageid',
'sitename',
'server',
'servername',
'scriptpath',
'stylepath',
'pagename',
'pagenamee',
'fullpagename',
'fullpagenamee',
'namespace',
'namespacee',
'namespacenumber',
'currentweek',
'currentdow',
'localweek',
'localdow',
'revisionid',
'revisionday',
'revisionday2',
'revisionmonth',
'revisionmonth1',
'revisionyear',
'revisiontimestamp',
'revisionuser',
'revisionsize',
'subpagename',
'subpagenamee',
'talkspace',
'talkspacee',
'subjectspace',
'subjectspacee',
'talkpagename',
'talkpagenamee',
'subjectpagename',
'subjectpagenamee',
'numberofusers',
'numberofactiveusers',
'numberofpages',
'currentversion',
'rootpagename',
'rootpagenamee',
'basepagename',
'basepagenamee',
'currenttimestamp',
'localtimestamp',
'directionmark',
'contentlanguage',
'userlanguage',
'pagelanguage',
'numberofadmins',
'cascadingsources',
'bcp47',
'dir',
'language',
];
/** @var string[] */
private array $mDoubleUnderscoreIDs = [
'notoc',
'nogallery',
'forcetoc',
'toc',
'noeditsection',
'newsectionlink',
'nonewsectionlink',
'hiddencat',
'expectunusedcategory',
'expectunusedtemplate',
'index',
'noindex',
'staticredirect',
'notitleconvert',
'nocontentconvert',
];
/** @var array<string,MagicWord> */
private array $mObjects = [];
private ?MagicWordArray $mDoubleUnderscoreArray = null;
private Language $contLang;
private HookRunner $hookRunner;
/**
* @internal For ServiceWiring only
*/
public function __construct( Language $contentLanguage, HookContainer $hookContainer ) {
$this->contLang = $contentLanguage;
$this->hookRunner = new HookRunner( $hookContainer );
}
public function getContentLanguage(): Language {
return $this->contLang;
}
/**
* Get a MagicWord object for a given internal ID
*
* @param string $id The internal name of the magic word
* @return MagicWord
*/
public function get( $id ): MagicWord {
if ( !isset( $this->mObjects[$id] ) ) {
$mw = new MagicWord( null, [], false, $this->contLang );
$mw->load( $id );
$this->mObjects[$id] = $mw;
}
return $this->mObjects[$id];
}
/**
* Get an array of parser variable IDs
*
* @return string[]
*/
public function getVariableIDs(): array {
if ( !$this->mVariableIDsInitialised ) {
# Get variable IDs
$this->hookRunner->onMagicWordwgVariableIDs( $this->mVariableIDs );
$this->hookRunner->onGetMagicVariableIDs( $this->mVariableIDs );
$this->mVariableIDsInitialised = true;
}
return $this->mVariableIDs;
}
/**
* Get an array of parser substitution modifier IDs
*
* @return string[]
* @deprecated since 1.42, use {@see getSubstArray} instead
*/
public function getSubstIDs(): array {
wfDeprecated( __METHOD__, '1.42' );
return [ 'subst', 'safesubst' ];
}
/**
* @internal for use in {@see Parser::braceSubstitution} only
*/
public function getSubstArray(): MagicWordArray {
return $this->newArray( [ 'subst', 'safesubst' ] );
}
/**
* Allow external reads of TTL array
*
* @param string $id
* @return int
* @deprecated Since 1.40
*/
public function getCacheTTL( $id ) {
return -1;
}
/**
* Get a MagicWordArray of double-underscore entities
*/
public function getDoubleUnderscoreArray(): MagicWordArray {
if ( $this->mDoubleUnderscoreArray === null ) {
$this->hookRunner->onGetDoubleUnderscoreIDs( $this->mDoubleUnderscoreIDs );
$this->mDoubleUnderscoreArray = $this->newArray( $this->mDoubleUnderscoreIDs );
}
return $this->mDoubleUnderscoreArray;
}
/**
* Get a new MagicWordArray with provided $names
*
* @param string[] $names
* @return MagicWordArray
*/
public function newArray( array $names = [] ): MagicWordArray {
return new MagicWordArray( $names, $this );
}
}