ResourceLoaderLESSFunctions.php
362d7c1e83cfmaster

ResourceLoaderLESSFunctions.php
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			<?php
			/**
			* PHP-provided functions for LESS; see docs for $wgResourceLoaderLESSFunctions
			*
			* 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
			*/

			class ResourceLoaderLESSFunctions {
			/**
			* Check if an image file reference is suitable for embedding.
			* An image is embeddable if it (a) exists, (b) has a suitable MIME-type,
			* (c) does not exceed IE<9 size limit of 32kb. This is a LESS predicate
			* function; it returns a LESS boolean value and can thus be used as a
			* mixin guard.
			*
			* @par Example:
			* @code
			* .background-image(@url) when(embeddable(@url)) {
			* background-image: url(@url) !ie;
			* }
			* @endcode
			*/
			public static function embeddable( $frame, $less ) {
			$base = pathinfo( $less->parser->sourceName, PATHINFO_DIRNAME );
			$url = trim( $less->compileValue( $frame ), '"\'' );
			$file = realpath( $base . '/' . $url );
			return $less->toBool( $file
			&& strpos( $url, '//' ) === false
			&& filesize( $file ) < CSSMin::EMBED_SIZE_LIMIT
			&& CSSMin::getMimeType( $file ) !== false );
			}

			/**
			* Convert an image URI to a base64-encoded data URI.
			*
			* @par Example:
			* @code
			* .fancy-button {
			* background-image: embed('../images/button-bg.png');
			* }
			* @endcode
			*/
			public static function embed( $frame, $less ) {
			$base = pathinfo( $less->parser->sourceName, PATHINFO_DIRNAME );
			$url = trim( $less->compileValue( $frame ), '"\'' );
			$file = realpath( $base . '/' . $url );

			$data = CSSMin::encodeImageAsDataURI( $file );
			$less->addParsedFile( $file );
			return CSSMin::buildUrlValue( $data );
			}
			}

mediawiki/includes/resourceloader/ResourceLoaderLESSFunctions.php362d7c1e83cfmaster

ResourceLoaderLESSFunctions.phpView Options

mediawiki/includes/resourceloader/ResourceLoaderLESSFunctions.php
362d7c1e83cfmaster

ResourceLoaderLESSFunctions.php
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