mirror of
https://github.com/Universal-Omega/PortableInfobox.git
synced 2024-11-16 12:35:31 +00:00
123 lines
3.4 KiB
PHP
123 lines
3.4 KiB
PHP
<?php
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namespace Wikia\PortableInfobox\Helpers;
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/**
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* Helper used for checking if template consist any hidden infoboxes (eg. put into <includeonly> tag)
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*
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* Class PortableInfoboxTemplatesHelper
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*/
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class PortableInfoboxTemplatesHelper {
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/**
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* @desc Try to find out if infobox got "hidden" inside includeonly tag. Parse it if that's the case.
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*
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* @param $title \Title
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*
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* @return mixed false when no infoboxes found, Array with infoboxes on success
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*/
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public function parseInfoboxes( $title ) {
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// for templates we need to check for include tags
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$templateText = $this->fetchContent( $title );
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$includeonlyText = $this->getIncludeonlyText( $templateText );
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if ( $includeonlyText ) {
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$parser = new \Parser();
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$parserOptions = new \ParserOptions();
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$frame = $parser->getPreprocessor()->newFrame();
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$templateTextWithoutIncludeonly = $parser->getPreloadText( $includeonlyText, $title, $parserOptions );
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$infoboxes = $this->getInfoboxes( $templateTextWithoutIncludeonly );
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if ( $infoboxes ) {
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// clear up cache before parsing
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foreach ( $infoboxes as $infobox ) {
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try {
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\PortableInfoboxParserTagController::getInstance()->render( $infobox, $parser, $frame );
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} catch ( \Exception $e ) {
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\Wikia\Logger\WikiaLogger::instance()->info( 'Invalid infobox syntax in includeonly tag' );
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}
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}
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return json_decode( $parser->getOutput()
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->getProperty( \PortableInfoboxDataService::INFOBOXES_PROPERTY_NAME ), true );
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}
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}
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return false;
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}
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/**
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* @param $title
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* @return array of strings (infobox markups)
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*/
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public function getMarkup( $title ) {
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$content = $this->fetchContent( $title );
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return $this->getInfoboxes( $content );
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}
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/**
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* @param $title \Title
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*
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* @return string
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*/
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protected function fetchContent( $title ) {
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if ( $title && $title->exists() ) {
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$article = \Article::newFromTitle( $title, \RequestContext::getMain() );
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if ( $article && $article->exists() ) {
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$content = $article->fetchContent();
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}
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}
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return isset( $content ) && $content ? $content : '';
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}
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/**
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* @desc for given template text returns it without text in <nowiki> and <pre> tags
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*
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* @param $text string
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*
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* @return string
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*/
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protected function removeNowikiPre( $text ) {
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$text = preg_replace( "/<nowiki>.+<\/nowiki>/sU", '', $text );
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$text = preg_replace( "/<pre>.+<\/pre>/sU", '', $text );
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return $text;
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}
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/**
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* @desc returns the text from inside of the first <includeonly> tag and
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* without the nowiki and pre tags.
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*
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* @param $text string template text
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*
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* @return string
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*/
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protected function getIncludeonlyText( $text ) {
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$clean = $this->removeNowikiPre( $text );
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preg_match_all( "/<includeonly>(.+)<\/includeonly>/sU", $clean, $result );
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if ( !isset( $result[ 1 ][ 0 ] ) ) {
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return null;
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}
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return $result[ 1 ][ 0 ];
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}
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/**
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* @desc From the template without <includeonly> tags, creates an array of
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* strings containing only infoboxes. All template content which is not an infobox is removed.
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*
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* @param $text string Content of template which uses the <includeonly> tags
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*
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* @return array of striped infoboxes ready to parse
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*/
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protected function getInfoboxes( $text ) {
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preg_match_all( "/<infobox[^>]*\\/>/sU", $text, $empty );
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preg_match_all( "/<infobox.+<\/infobox>/sU", $text, $result );
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return array_merge( $empty[ 0 ], $result[ 0 ] );
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}
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}
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