Location: PHPKode > projects > Surreal ToDo > surrealtodo_v0.6.1.2/min/lib/Minify/CSS.php
<?php
/**
 * Class Minify_CSS  
 * @package Minify
 */

/**
 * Minify CSS
 *
 * This class uses Minify_CSS_Compressor and Minify_CSS_UriRewriter to 
 * minify CSS and rewrite relative URIs.
 * 
 * @package Minify
 * @author Stephen Clay <hide@address.com>
 * @author http://code.google.com/u/1stvamp/ (Issue 64 patch)
 */
class Minify_CSS {
    
    /**
     * Minify a CSS string
     * 
     * @param string $css
     * 
     * @param array $options available options:
     * 
     * 'preserveComments': (default true) multi-line comments that begin
     * with "/*!" will be preserved with newlines before and after to
     * enhance readability.
     * 
     * 'prependRelativePath': (default null) if given, this string will be
     * prepended to all relative URIs in import/url declarations
     * 
     * 'currentDir': (default null) if given, this is assumed to be the
     * directory of the current CSS file. Using this, minify will rewrite
     * all relative URIs in import/url declarations to correctly point to
     * the desired files. For this to work, the files *must* exist and be
     * visible by the PHP process.
     *
     * 'symlinks': (default = array()) If the CSS file is stored in 
     * a symlink-ed directory, provide an array of link paths to
     * target paths, where the link paths are within the document root. Because 
     * paths need to be normalized for this to work, use "//" to substitute 
     * the doc root in the link paths (the array keys). E.g.:
     * <code>
     * array('//symlink' => '/real/target/path') // unix
     * array('//static' => 'D:\\staticStorage')  // Windows
     * </code>
     * 
     * @return string
     */
    public static function minify($css, $options = array()) 
    {
        require_once 'Minify/CSS/Compressor.php';
        if (isset($options['preserveComments']) 
            && !$options['preserveComments']) {
            $css = Minify_CSS_Compressor::process($css, $options);
        } else {
            require_once 'Minify/CommentPreserver.php';
            $css = Minify_CommentPreserver::process(
                $css
                ,array('Minify_CSS_Compressor', 'process')
                ,array($options)
            );
        }
        if (! isset($options['currentDir']) && ! isset($options['prependRelativePath'])) {
            return $css;
        }
        require_once 'Minify/CSS/UriRewriter.php';
        if (isset($options['currentDir'])) {
            return Minify_CSS_UriRewriter::rewrite(
                $css
                ,$options['currentDir']
                ,isset($options['docRoot']) ? $options['docRoot'] : $_SERVER['DOCUMENT_ROOT']
                ,isset($options['symlinks']) ? $options['symlinks'] : array()
            );  
        } else {
            return Minify_CSS_UriRewriter::prepend(
                $css
                ,$options['prependRelativePath']
            );
        }
    }
}
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