/usr/share/php/Horde/CssMinify.php is in php-horde-cssminify 1.0.2-1.
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/**
* Copyright 2014 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Horde
* @copyright 2014 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package CssMinify
*/
/**
* Abstract base class for implementing a CSS minification driver.
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @copyright 2014 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package CssMinify
*/
abstract class Horde_CssMinify
{
/**
* Original CSS data.
*
* @var mixed
*/
protected $_data;
/**
* Minification options.
*
* @var array
*/
protected $_opts = array();
/**
* Constructor.
*
* @param mixed $css Either a string (the CSS text to compress) or an
* array of URLs (keys) to filenames (values)
* containing the CSS data to compress.
* @param array $opts Additional options. See setOptions().
*/
public function __construct($css, array $opts = array())
{
if (!is_array($css) && !is_string($css)) {
throw new InvalidArgumentException('First argument must either be an array or a string.');
}
$this->_data = $css;
$this->setOptions($opts);
}
/**
* @see Horde_CssMinify::minify()
*/
public function __toString()
{
return $this->minify();
}
/**
* Set minification options.
*
* @param array $opts Options:
* <pre>
* - logger: (Horde_Log_Logger) Log object to use for log messages.
* </pre>
*/
public function setOptions(array $opts = array())
{
$this->_opts = array_merge($this->_opts, $opts);
// Ensure we have a logger object.
if (!isset($this->_opts['logger']) ||
!($this->_opts['logger'] instanceof Horde_Log_Logger)) {
$this->_opts['logger'] = new Horde_Log_Logger(
new Horde_Log_Handler_Null()
);
}
}
/**
* Return the minified CSS.
*
* @return string Minified CSS.
* @throws Horde_CssMinify_Exception
*/
abstract public function minify();
}
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