111 lines
2.9 KiB
PHP
111 lines
2.9 KiB
PHP
<?php
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/**
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* Minify a file or set of files
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*/
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require_once( dirname( __FILE__ ) . '/Maintenance.php' );
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class MinifyScript extends Maintenance {
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var $outDir;
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public function __construct() {
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parent::__construct();
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$this->addOption( 'outfile',
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'File for output. Only a single file may be specified for input.',
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false, true );
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$this->addOption( 'outdir',
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"Directory for output. If this is not specified, and neither is --outfile, then the\n" .
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"output files will be sent to the same directories as the input files.",
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false, true );
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$this->mDescription = "Minify a file or set of files.\n\n" .
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"If --outfile is not specified, then the output file names will have a .min extension\n" .
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"added, e.g. jquery.js -> jquery.min.js.";
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}
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public function execute() {
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if ( !count( $this->mArgs ) ) {
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$this->error( "minify.php: At least one input file must be specified." );
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exit( 1 );
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}
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if ( $this->hasOption( 'outfile' ) ) {
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if ( count( $this->mArgs ) > 1 ) {
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$this->error( '--outfile may only be used with a single input file.' );
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exit( 1 );
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}
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// Minify one file
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$this->minify( $this->getArg( 0 ), $this->getOption( 'outfile' ) );
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return;
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}
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$outDir = $this->getOption( 'outdir', false );
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foreach ( $this->mArgs as $arg ) {
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$inPath = realpath( $arg );
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$inName = basename( $inPath );
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$inDir = dirname( $inPath );
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if ( strpos( $inName, '.min.' ) !== false ) {
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echo "Skipping $inName\n";
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continue;
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}
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if ( !file_exists( $inPath ) ) {
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$this->error( "File does not exist: $arg" );
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exit( 1 );
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}
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$extension = $this->getExtension( $inName );
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$outName = substr( $inName, 0, -strlen( $extension ) ) . 'min.' . $extension;
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if ( $outDir === false ) {
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$outPath = $inDir . '/' . $outName;
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} else {
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$outPath = $outDir . '/' . $outName;
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}
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$this->minify( $inPath, $outPath );
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}
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}
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public function getExtension( $fileName ) {
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$dotPos = strrpos( $fileName, '.' );
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if ( $dotPos === false ) {
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$this->error( "No file extension, cannot determine type: $arg" );
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exit( 1 );
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}
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return substr( $fileName, $dotPos + 1 );
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}
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public function minify( $inPath, $outPath ) {
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$extension = $this->getExtension( $inPath );
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echo basename( $inPath ) . ' -> ' . basename( $outPath ) . '...';
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$inText = file_get_contents( $inPath );
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if ( $inText === false ) {
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$this->error( "Unable to open file $inPath for reading." );
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exit( 1 );
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}
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$outFile = fopen( $outPath, 'w' );
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if ( !$outFile ) {
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$this->error( "Unable to open file $outPath for writing." );
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exit( 1 );
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}
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switch ( $extension ) {
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case 'js':
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$outText = JSMin::minify( $inText );
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break;
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default:
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$this->error( "No minifier defined for extension \"$extension\"" );
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}
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fwrite( $outFile, $outText );
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fclose( $outFile );
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echo " ok\n";
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}
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}
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$maintClass = 'MinifyScript';
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require_once( DO_MAINTENANCE );
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