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<?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( 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->addOption( 'js-statements-on-own-line',
"Boolean value for putting statements on their own line when minifying JavaScript.",
false, true );
$this->addOption( 'js-max-line-length',
"Maximum line length for JavaScript minification.",
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 ) {
$this->error( "Skipping $inName\n" );
continue;
}
if ( !file_exists( $inPath ) ) {
$this->error( "File does not exist: $arg", true );
}
$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: $fileName" );
exit( 1 );
}
return substr( $fileName, $dotPos + 1 );
}
public function minify( $inPath, $outPath ) {
global $wgResourceLoaderMinifierStatementsOnOwnLine, $wgResourceLoaderMinifierMaxLineLength;
$extension = $this->getExtension( $inPath );
$this->output( 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 = JavaScriptMinifier::minify( $inText,
$this->getOption( 'js-statements-on-own-line', $wgResourceLoaderMinifierStatementsOnOwnLine ),
$this->getOption( 'js-max-line-length', $wgResourceLoaderMinifierMaxLineLength )
);
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';
require_once( RUN_MAINTENANCE_IF_MAIN );
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