File Source for function.jspack.php

<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* this function will output the URL to a given compressed and cached js file.
* NOTE: if you use the util package, it will automatically insert the javascript/ subdir
*
* @param string $pParams[ipackage] package the javascript file is in. this will default to: 'util'. e.g.: wiki
* @param string $pParams[ifile] subdir and filename of the file you wish to pack and cache. e.g.: libs/jsfile.js
* @param string $pParams[defer] includes defer='defer'
* @param object $gBitSmarty
* @access public
* @return URL to cached javascript file
*/
function smarty_function_jspack( $pParams, &$gBitSmarty ) {
// make sure we have a file to pack
if( empty( $pParams['ifile'] )) {
die();
}
if( empty( $pParams['ipackage'] )) {
$pParams['ipackage'] = 'util';
}
// get the full path to the file we want to pack - insert javasscript/ into path when we're getting stuff in util
$jsfile = constant( strtoupper( $pParams['ipackage'] ).'_PKG_PATH' ).(( $pParams['ipackage'] == 'util' ) ? 'javascript/' : '' ).$pParams['ifile'];
if( is_file( $jsfile )) {
// get a name for the cache file we're going to store
$cachefile = $pParams['ipackage'].'_'.str_replace( '/', '_', $pParams['ifile'] );
require_once( KERNEL_PKG_PATH.'BitCache.php' );
$bitCache = new BitCache( 'javascript', TRUE );
// if the file hasn't been packed and cached yet, we do that now.
if( !$bitCache->isCached( $cachefile, filemtime( $jsfile ))) {
/*
* params of the constructor :
* $script: the JavaScript to pack, string.
* $encoding: level of encoding, int or string :
* 0,10,62,95 or 'None', 'Numeric', 'Normal', 'High ASCII'.
* default: 62.
* $fastDecode: include the fast decoder in the packed result, boolean.
* default : true.
* $specialChars: if you have flagged your private and local variables
* in the script, boolean.
* default: false.
*/
require_once( UTIL_PKG_PATH.'javascript/class.JavaScriptPacker.php' );
$packer = new JavaScriptPacker( file_get_contents( $jsfile ), 'Normal', TRUE, FALSE );
$bitCache->writeCacheFile( $cachefile, $packer->pack() );
}
$defer = !empty( $pParams['defer'] ) ? " defer='".$pParams['defer']."'" : "";
return '<script'.$defer.' type="text/javascript" src="'.$bitCache->getCacheUrl( $cachefile ).'"></script>';
} else {
return "";
}
}
?>

Source for file function.jspack.php