1 files changed, 111 insertions, 0 deletions
diff --git a/maintenance/minify.php b/maintenance/minify.php
new file mode 100644
index 00000000..601a4d67
--- /dev/null
+++ b/maintenance/minify.php
@@ -0,0 +1,111 @@
+<?php
+/**
+ * Minify a file or set of files
+ */
+
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+
+class MinifyScript extends Maintenance {
+	var $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->mDescription = "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->error( "minify.php: At least one input file must be specified." );
+			exit( 1 );
+		}
+
+		if ( $this->hasOption( 'outfile' ) ) {
+			if ( count( $this->mArgs ) > 1 ) {
+				$this->error( '--outfile may only be used with a single input file.' );
+				exit( 1 );
+			}
+
+			// 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 ) {
+				echo "Skipping $inName\n";
+				continue;
+			}
+
+			if ( !file_exists( $inPath ) ) {
+				$this->error( "File does not exist: $arg" );
+				exit( 1 );
+			}
+
+			$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->error( "No file extension, cannot determine type: $arg" );
+			exit( 1 );
+		}
+		return substr( $fileName, $dotPos + 1 );
+	}
+
+	public function minify( $inPath, $outPath ) {
+		$extension = $this->getExtension( $inPath );
+		echo basename( $inPath ) . ' -> ' . basename( $outPath ) . '...';
+
+		$inText = file_get_contents( $inPath );
+		if ( $inText === false ) {
+			$this->error( "Unable to open file $inPath for reading." );
+			exit( 1 );
+		}
+		$outFile = fopen( $outPath, 'w' );
+		if ( !$outFile ) {
+			$this->error( "Unable to open file $outPath for writing." );
+			exit( 1 );
+		}
+
+		switch ( $extension ) {
+			case 'js':
+				$outText = JSMin::minify( $inText );
+				break;
+			default:
+				$this->error( "No minifier defined for extension \"$extension\"" );
+		}
+
+		fwrite( $outFile, $outText );
+		fclose( $outFile );
+		echo " ok\n";
+	}
+}
+
+$maintClass = 'MinifyScript';
+require_once( DO_MAINTENANCE );