1 files changed, 133 insertions, 0 deletions
diff --git a/www/wiki/maintenance/minify.php b/www/wiki/maintenance/minify.php
new file mode 100644
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+++ b/www/wiki/maintenance/minify.php
@@ -0,0 +1,133 @@
+<?php
+/**
+ * Minify a file or set of files
+ *
+ * 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
+ * @ingroup Maintenance
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script that minifies a file or set of files.
+ *
+ * @ingroup Maintenance
+ */
+class MinifyScript extends Maintenance {
+	public $outDir;
+
+	public function __construct() {
+		parent::__construct();
+		$this->addOption( 'outfile',
+			'File for output. Only a single file may be specified for input.',
+			false, true );
+		$this->addOption( 'outdir',
+			"Directory for output. If this is not specified, and neither is --outfile, then the\n" .
+			"output files will be sent to the same directories as the input files.",
+			false, true );
+		$this->addDescription( "Minify a file or set of files.\n\n" .
+			"If --outfile is not specified, then the output file names will have a .min extension\n" .
+			"added, e.g. jquery.js -> jquery.min.js."
+		);
+	}
+
+	public function execute() {
+		if ( !count( $this->mArgs ) ) {
+			$this->fatalError( "minify.php: At least one input file must be specified." );
+		}
+
+		if ( $this->hasOption( 'outfile' ) ) {
+			if ( count( $this->mArgs ) > 1 ) {
+				$this->fatalError( '--outfile may only be used with a single input file.' );
+			}
+
+			// Minify one file
+			$this->minify( $this->getArg( 0 ), $this->getOption( 'outfile' ) );
+
+			return;
+		}
+
+		$outDir = $this->getOption( 'outdir', false );
+
+		foreach ( $this->mArgs as $arg ) {
+			$inPath = realpath( $arg );
+			$inName = basename( $inPath );
+			$inDir = dirname( $inPath );
+
+			if ( strpos( $inName, '.min.' ) !== false ) {
+				$this->error( "Skipping $inName\n" );
+				continue;
+			}
+
+			if ( !file_exists( $inPath ) ) {
+				$this->fatalError( "File does not exist: $arg" );
+			}
+
+			$extension = $this->getExtension( $inName );
+			$outName = substr( $inName, 0, -strlen( $extension ) ) . 'min.' . $extension;
+			if ( $outDir === false ) {
+				$outPath = $inDir . '/' . $outName;
+			} else {
+				$outPath = $outDir . '/' . $outName;
+			}
+
+			$this->minify( $inPath, $outPath );
+		}
+	}
+
+	public function getExtension( $fileName ) {
+		$dotPos = strrpos( $fileName, '.' );
+		if ( $dotPos === false ) {
+			$this->fatalError( "No file extension, cannot determine type: $fileName" );
+		}
+
+		return substr( $fileName, $dotPos + 1 );
+	}
+
+	public function minify( $inPath, $outPath ) {
+		$extension = $this->getExtension( $inPath );
+		$this->output( basename( $inPath ) . ' -> ' . basename( $outPath ) . '...' );
+
+		$inText = file_get_contents( $inPath );
+		if ( $inText === false ) {
+			$this->fatalError( "Unable to open file $inPath for reading." );
+		}
+		$outFile = fopen( $outPath, 'w' );
+		if ( !$outFile ) {
+			$this->fatalError( "Unable to open file $outPath for writing." );
+		}
+
+		switch ( $extension ) {
+			case 'js':
+				$outText = JavaScriptMinifier::minify( $inText );
+				break;
+			case 'css':
+				$outText = CSSMin::minify( $inText );
+				break;
+			default:
+				$this->error( "No minifier defined for extension \"$extension\"" );
+		}
+
+		fwrite( $outFile, $outText );
+		fclose( $outFile );
+		$this->output( " ok\n" );
+	}
+}
+
+$maintClass = MinifyScript::class;
+require_once RUN_MAINTENANCE_IF_MAIN;