/usr/share/mediawiki-extensions/base/Poem/Poem.php is in mediawiki-extensions-base 2.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# MediaWiki Poem extension v1.0cis
#
# Based on example code from
# http://meta.wikimedia.org/wiki/Write_your_own_MediaWiki_extension
#
# All other code is copyright © 2005 Nikola Smolenski <smolensk@eunet.yu>
# (with modified parser callback and attribute additions)
#
# Anyone is allowed to use this code for any purpose.
#
# To install, copy the extension to your extensions directory and add line
# include("extensions/Poem.php");
# to the bottom of your LocalSettings.php
#
# To use, put some text between <poem></poem> tags
#
# For more information see its page at
# http://meta.wikimedia.org/wiki/Poem_Extension
if ( defined( 'MW_SUPPORTS_PARSERFIRSTCALLINIT' ) ) {
$wgHooks['ParserFirstCallInit'][] = 'wfPoemExtension';
} else {
$wgExtensionFunctions[] = 'wfPoemExtension';
}
$wgExtensionCredits['parserhook'][] = array(
'name' => 'Poem',
'author' => array( 'Nikola Smolenski', 'Brion Vibber', 'Steve Sanbeg' ),
'url' => 'http://www.mediawiki.org/wiki/Extension:Poem',
'svn-date' => '$LastChangedDate: 2008-12-20 10:32:47 +0100 (Sat, 20 Dec 2008) $',
'svn-revision' => '$LastChangedRevision: 44839 $',
'description' => 'Adds <tt><poem></tt> tag for poem formatting',
'descriptionmsg' => 'poem-desc',
);
$wgParserTestFiles[] = dirname( __FILE__ ) . "/poemParserTests.txt";
$wgExtensionMessagesFiles['Poem'] = dirname(__FILE__) . '/Poem.i18n.php';
function wfPoemExtension() {
$GLOBALS['wgParser']->setHook("poem","PoemExtension");
return true;
}
function PoemExtension( $in, $param=array(), $parser=null ) {
/* using newlines in the text will cause the parser to add <p> tags,
* which may not be desired in some cases
*/
$nl = isset( $param['compact'] ) ? '' : "\n";
if( method_exists( $parser, 'recursiveTagParse' ) ) {
//new methods in 1.8 allow nesting <nowiki> in <poem>.
$tag = $parser->insertStripItem( "<br />", $parser->mStripState );
$text = preg_replace(
array( "/^\n/", "/\n$/D", "/\n/", "/^( +)/me" ),
array( "", "", "$tag\n", "str_replace(' ',' ','\\1')" ),
$in );
$text = $parser->recursiveTagParse( $text );
} else {
$text = preg_replace(
array( "/^\n/", "/\n$/D", "/\n/", "/^( +)/me" ),
array( "", "", "<br />\n", "str_replace(' ',' ','\\1')" ),
$in );
$ret = $parser->parse(
$text,
$parser->getTitle(),
$parser->getOptions(),
// We begin at line start
true,
// Important, otherwise $this->clearState()
// would get run every time <ref> or
// <references> is called, fucking the whole
// thing up.
false
);
$text = $ret->getText();
}
global $wgVersion;
if( version_compare( $wgVersion, "1.7alpha" ) >= 0 ) {
// Pass HTML attributes through to the output.
$attribs = Sanitizer::validateTagAttributes( $param, 'div' );
} else {
// Can't guarantee safety on 1.6 or older.
$attribs = array();
}
// Wrap output in a <div> with "poem" class.
if( isset( $attribs['class'] ) ) {
$attribs['class'] = 'poem ' . $attribs['class'];
} else {
$attribs['class'] = 'poem';
}
return Xml::openElement( 'div', $attribs ) .
$nl .
trim( $text ) .
"$nl</div>";
}
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