css_optimiser.php

<?php

/**
 * CSSTidy - CSS Optimiser Interface
 * This file produces an XHTML interface for optimising CSS code
 *
 * Copyright 2005, 2006, 2007 Florian Schmitz
 *
 * This file is part of CSSTidy.
 *
 *  CSSTidy is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; either version 2.1 of the License, or
 *   (at your option) any later version.
 *
 *   CSSTidy 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 Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License
 * @package csstidy
 * @author Florian Schmitz (floele at gmail dot com) 2005-2007
 * @author Brett Zamir (brettz9 at yahoo dot com) 2007
 */

require('class.csstidy.php');
require('lang.inc.php');

if (!file_exists(__DIR__ . DIRECTORY_SEPARATOR . ".unlock_css_optimiser")) {
		print 'Access Denied. Add a file `.unlock_css_optimiser` to the directory to unlock css_optimiser';
		exit;
}


if (function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc()) {
	if (isset($_REQUEST['css_text'])) {
		$_REQUEST['css_text'] = stripslashes($_REQUEST['css_text']);
	}
	if (isset($_REQUEST['custom'])) {
		$_REQUEST['custom'] = stripslashes($_REQUEST['custom']);
	}
	if (isset($_COOKIE['custom_template'])) {
		$_COOKIE['custom_template'] = stripslashes($_COOKIE['custom_template']);
	}
}

function rmdirr($dirname,$oc=0)
{
	// Sanity check
	if (!file_exists($dirname)) {
		return false;
	}
	// Simple delete for a file
	if (is_file($dirname) && (time()-fileatime($dirname))>3600) {
		 return unlink($dirname);
	}
	// Loop through the folder
	if (is_dir($dirname)) {
		$dir = dir($dirname);
		while (false !== $entry = $dir->read()) {
			// Skip pointers
			if ($entry === '.' || $entry === '..') {
				 continue;
			}
			// Recurse
			rmdirr($dirname.'/'.$entry,$oc);
		}
		$dir->close();
	}
	// Clean up
	if ($oc==1) {
		return rmdir($dirname);
	}
}

function options($options, $selected = null, $labelIsValue = false)
{
	$html = '';

	settype($selected, 'array');
	settype($options, 'array');

	foreach ($options as $value=>$label) {
		if (is_array($label)) {
			$value = $label[0];
			$label = $label[1];
		}
		$label = htmlspecialchars($label, ENT_QUOTES, 'utf-8');
		$value = $labelIsValue ? $label
								 : htmlspecialchars($value, ENT_QUOTES, 'utf-8');

		$html .= '<option value="'.$value.'"';
		if (in_array($value, $selected)) {
			$html .= ' selected="selected"';
		}
		$html .= '>'.$label.'</option>';
	}
	if (!$html) {
		$html .= '<option value="0">---</option>';
	}

	return $html;
}

$css = new csstidy();
$is_custom = isset($_REQUEST['custom']) && !empty($_REQUEST['custom']) && isset($_REQUEST['template']) && ($_REQUEST['template'] === '4');
if ($is_custom)
{
	setcookie ('custom_template', $_REQUEST['custom'], time()+360000);
}

rmdirr('temp');

if (isset($_REQUEST['case_properties'])) $css->set_cfg('case_properties',$_REQUEST['case_properties']);
if (isset($_REQUEST['lowercase'])) $css->set_cfg('lowercase_s',true);
if (!isset($_REQUEST['compress_c']) && isset($_REQUEST['post'])) $css->set_cfg('compress_colors',false);
if (!isset($_REQUEST['compress_fw']) && isset($_REQUEST['post'])) $css->set_cfg('compress_font-weight',false);
if (isset($_REQUEST['merge_selectors'])) $css->set_cfg('merge_selectors', $_REQUEST['merge_selectors']);
if (isset($_REQUEST['optimise_shorthands'])) $css->set_cfg('optimise_shorthands',$_REQUEST['optimise_shorthands']);
if (!isset($_REQUEST['rbs']) && isset($_REQUEST['post'])) $css->set_cfg('remove_bslash',false);
if (isset($_REQUEST['preserve_css'])) $css->set_cfg('preserve_css',true);
if (isset($_REQUEST['sort_sel'])) $css->set_cfg('sort_selectors',true);
if (isset($_REQUEST['sort_de'])) $css->set_cfg('sort_properties',true);
if (isset($_REQUEST['remove_last_sem'])) $css->set_cfg('remove_last_;',true);
if (isset($_REQUEST['discard'])) $css->set_cfg('discard_invalid_properties',true);
if (isset($_REQUEST['css_level'])) $css->set_cfg('css_level',$_REQUEST['css_level']);
if (isset($_REQUEST['timestamp'])) $css->set_cfg('timestamp',true);
if (isset($_REQUEST['rtl'])) $css->set_cfg('reverse_left_and_right',true);


// This by itself is enough since our scripts don't use DOM to create elements (in which case the namespace aware ones
// should be used when serving as application/xhtml+xml but not when served as text/html ;
// also, case will be different when retrieving element names, as HTML DOM returns in upper case,
// genuine XHTML DOM (when XHTML served as such) as lower
if (stristr($_SERVER['HTTP_ACCEPT'], 'application/xhtml+xml')) {
	$http_accept = 'application/xhtml+xml';
} elseif (stristr($_SERVER['HTTP_ACCEPT'], 'application/xml')) {
	$http_accept = 'application/xml';
} elseif (stristr($_SERVER['HTTP_ACCEPT'], 'text/xml')) {
	$http_accept = 'text/xml';
} elseif (stristr($_SERVER['HTTP_USER_AGENT'], 'Opera ') || stristr($_SERVER['HTTP_USER_AGENT'], 'Opera/')) {
	preg_match('@Opera/(\d)@', $_SERVER['HTTP_USER_AGENT'], $matches);
	if (isset($matches[1]) && $matches[1] >= 7) {
		$http_accept = 'application/xhtml+xml';
	} else {
		$http_accept = 'text/html';
	}
} else {
	$http_accept = 'text/html';
}

header('Content-Type: '.$http_accept.'; charset=utf-8');

if ($http_accept === 'text/html') {

?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<?php
} else {
	
?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<?php
}

?><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $l; ?>">
	<head>
	<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
	<title>
		<?php echo $lang[$l][0]; echo $css->version; ?>)
	</title>
	<link rel="stylesheet" href="cssparse.css" type="text/css" />
	<script type="text/javascript"><!--/*--><![CDATA[/*><!--*/
	function enable_disable_preserve() {
		var inputs =   new Array('sort_sel', 'sort_de', 'optimise_shorthands', 'merge_selectors', 'none');
		var inputs_v = new Array( true,       true,      true,                  true,              false);
		for (var i = 0; i < inputs.length; i++) {
			if (document.getElementById('preserve_css').checked)  {
				document.getElementById(inputs[i]).disabled = inputs_v[i];
			} else {
				document.getElementById(inputs[i]).disabled = !inputs_v[i];
			}
		}
	}
	function ClipBoard() {
		if (window.clipboardData) { // Feature testing
			window.clipboardData.setData('Text',document.getElementById("copytext").innerText);
		} else if (navigator.userAgent.indexOf('Gecko') != -1
					&& navigator.userAgent.indexOf('Apple') == -1
					) {
			try {
				netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
				const gClipboardHelper = Components.classes["@mozilla.org/widget/clipboardhelper;1"].
									getService(Components.interfaces.nsIClipboardHelper);
									gClipboardHelper.copyString(document.getElementById("copytext").innerHTML);
			}
			catch (e) {
				alert(e+"\n\n"+"<?php echo $lang[$l][66] ?>");
			}
		} else {
			alert("<?php echo $lang[$l][60]; ?>");
		}
	}
	/*]]>*/-->
	</script>
	</head>
	<body onload="enable_disable_preserve()">
	<div><h1 style="display:inline">
		<?php echo $lang[$l][1]; ?>
	</h1>
	<?php echo $lang[$l][2]; ?> <a
		href="http://csstidy.sourceforge.net/">csstidy</a> <?php echo $css->version; ?>)
	</div><p>
	<?php echo $lang[$l][39]; ?>: <a hreflang="en" href="?lang=en">English</a> <a hreflang="de" href="?lang=de">Deutsch</a> <a hreflang="fr" href="?lang=fr">French</a> <a hreflang="zh" href="?lang=zh">Chinese</a></p>
	<p><?php echo $lang[$l][4]; ?>
		<?php echo $lang[$l][6]; ?>
	</p>

	<form method="post" action="">
		<div>
		<fieldset id="field_input">
			<legend><?php echo $lang[$l][8]; ?></legend> <label for="css_text"
			class="block"><?php echo $lang[$l][9]; ?></label><textarea id="css_text" name="css_text" rows="20" cols="35"><?php if (isset($_REQUEST['css_text'])) echo htmlspecialchars($_REQUEST['css_text'], ENT_QUOTES, "utf-8"); ?></textarea>
			<label for="url"><?php echo $lang[$l][10]; ?></label> <input type="text"
			name="url" id="url" <?php if (isset($_REQUEST['url']) &&
			!empty($_REQUEST['url'])) echo 'value="',htmlspecialchars($_REQUEST['url'], ENT_QUOTES, 'utf-8'),'"'; ?>
			size="35" /><br />
			<input type="submit" value="<?php echo $lang[$l][35]; ?>" id="submit" />
		</fieldset>
		<div id="rightcol">
			<fieldset id="code_layout">
			<legend><?php echo $lang[$l][11]; ?></legend> <label for="template"
			class="block"><?php echo $lang[$l][12]; ?></label> <select
			id="template" name="template" style="margin-bottom:1em">
				<?php
				$num = (isset($_REQUEST['template'])) ? intval($_REQUEST['template']) : 1;
				echo options(array(3 => $lang[$l][13], 2 => $lang[$l][14], 1 => $lang[$l][15], 0 => $lang[$l][16], 4 => $lang[$l][17]), $num);
				?>
			</select><br />
			<label for="custom" class="block">
			<?php echo $lang[$l][18]; ?> </label> <textarea id="custom"
			name="custom" cols="33" rows="4"><?php
				 if ($is_custom) echo
				htmlspecialchars($_REQUEST['custom'], ENT_QUOTES, 'utf-8');
				 elseif(isset($_COOKIE['custom_template']) &&
				!empty($_COOKIE['custom_template'])) echo
				htmlspecialchars($_COOKIE['custom_template'], ENT_QUOTES, 'utf-8');
				 ?></textarea>
			</fieldset>
			<fieldset id="options">
		 <legend><?php echo $lang[$l][19]; ?></legend>

			<input onchange="enable_disable_preserve()" type="checkbox" name="preserve_css" id="preserve_css"
					 <?php if ($css->get_cfg('preserve_css')) echo 'checked="checked"'; ?> />
			<label for="preserve_css" title="<?php echo $lang[$l][52]; ?>" class="help"><?php echo $lang[$l][51]; ?></label><br />


			<input type="checkbox" name="sort_sel" id="sort_sel"
					 <?php if ($css->get_cfg('sort_selectors')) echo 'checked="checked"'; ?> />
			<label for="sort_sel" title="<?php echo $lang[$l][41]; ?>" class="help"><?php echo $lang[$l][20]; ?></label><br />


			<input type="checkbox" name="sort_de" id="sort_de"
					 <?php if ($css->get_cfg('sort_properties')) echo 'checked="checked"'; ?> />
			<label for="sort_de"><?php echo $lang[$l][21]; ?></label><br />


			<label for="merge_selectors"><?php echo $lang[$l][22]; ?></label>
			<select style="width:15em;" name="merge_selectors" id="merge_selectors">
				<?php echo options(array('0' => $lang[$l][47], '1' => $lang[$l][48], '2' => $lang[$l][49]), $css->get_cfg('merge_selectors')); ?>
			</select><br />

			<label for="optimise_shorthands"><?php echo $lang[$l][23]; ?></label>
			<select name="optimise_shorthands" id="optimise_shorthands">
			<?php echo options(array($lang[$l][54], $lang[$l][55], $lang[$l][56]), $css->get_cfg('optimise_shorthands')); ?>
			</select><br />


			<input type="checkbox" name="compress_c" id="compress_c"
					 <?php if ($css->get_cfg('compress_colors')) echo 'checked="checked"';?> />
			<label for="compress_c"><?php echo $lang[$l][24]; ?></label><br />


			<input type="checkbox" name="compress_fw" id="compress_fw"
					 <?php if ($css->get_cfg('compress_font-weight')) echo 'checked="checked"';?> />
			<label for="compress_fw"><?php echo $lang[$l][45]; ?></label><br />


			<input type="checkbox" name="lowercase" id="lowercase" value="lowercase"
					 <?php if ($css->get_cfg('lowercase_s')) echo 'checked="checked"'; ?> />
			<label title="<?php echo $lang[$l][30]; ?>" class="help" for="lowercase"><?php echo $lang[$l][25]; ?></label><br />


			<?php echo $lang[$l][26]; ?><br />
			<input type="radio" name="case_properties" id="none" value="0"
					 <?php if ($css->get_cfg('case_properties') === 0) echo 'checked="checked"'; ?> />
			<label for="none"><?php echo $lang[$l][53]; ?></label>
			<input type="radio" name="case_properties" id="lower_yes" value="1"
					 <?php if ($css->get_cfg('case_properties') === 1) echo 'checked="checked"'; ?> />
			<label for="lower_yes"><?php echo $lang[$l][27]; ?></label>
			<input type="radio" name="case_properties" id="upper_yes" value="2"
					 <?php if ($css->get_cfg('case_properties') === 2) echo 'checked="checked"'; ?> />
			<label for="upper_yes"><?php echo $lang[$l][29]; ?></label><br />

			<input type="checkbox" name="rbs" id="rbs"
					 <?php if ($css->get_cfg('remove_bslash')) echo 'checked="checked"'; ?> />
			<label for="rbs"><?php echo $lang[$l][31]; ?></label><br />


			<input type="checkbox" id="remove_last_sem" name="remove_last_sem"
					 <?php if ($css->get_cfg('remove_last_;')) echo 'checked="checked"'; ?> />
	 			<label for="remove_last_sem"><?php echo $lang[$l][42]; ?></label><br />


			<input type="checkbox" id="discard" name="discard"
					 <?php if ($css->get_cfg('discard_invalid_properties')) echo 'checked="checked"'; ?> />
			<label for="discard"><?php echo $lang[$l][43]; ?></label>
			<select name="css_level"><?php echo options(array('CSS3.0','CSS2.1','CSS2.0','CSS1.0'),$css->get_cfg('css_level'), true); ?></select><br />


			<input type="checkbox" id="timestamp" name="timestamp"
					 <?php if ($css->get_cfg('timestamp')) echo 'checked="checked"'; ?> />
	 			<label for="timestamp"><?php echo $lang[$l][57]; ?></label><br />

			<input type="checkbox" id="rtl" name="rtl"
					 <?php if ($css->get_cfg('reverse_left_and_right')) echo 'checked="checked"'; ?> />
	 			<label for="rtl"><?php echo $lang[$l][67]; ?></label><br />

			<input type="checkbox" id="whole_file" name="whole_file"
					 <?php if (isset($_REQUEST['whole_file'])) echo 'checked="checked"'; ?> />
	 			<label for="whole_file"><?php echo $lang[$l][63]; ?></label><br />


			<input type="checkbox" name="file_output" id="file_output" value="file_output"
					 <?php if (isset($_REQUEST['file_output'])) echo 'checked="checked"'; ?> />
			<label class="help" title="<?php echo $lang[$l][34]; ?>" for="file_output">
				<strong><?php echo $lang[$l][33]; ?></strong>
			</label><br />

			</fieldset>
		<input type="hidden" name="post" />
		</div>
		</div>
	</form>
	<?php

	$file_ok = false;
	$result = false;

	$url = (isset($_REQUEST['url']) && !empty($_REQUEST['url'])) ? $_REQUEST['url'] : false;

	if (isset($_REQUEST['template'])) {
		switch ($_REQUEST['template']) {
			case 4:
			if ($is_custom) {
				$css->load_template($_REQUEST['custom'],false);
			}
			break;

			case 3:
			$css->load_template('highest_compression');
			break;

			case 2:
			$css->load_template('high_compression');
			break;

			case 0:
			$css->load_template('low_compression');
			break;
		}
	}

	if ($url) {
		if (substr($_REQUEST['url'],0,7) !== 'http://') {
			$_REQUEST['url'] = 'http://'.$_REQUEST['url'];
		}
		$result = $css->parse_from_url($_REQUEST['url'],0);
	} elseif (isset($_REQUEST['css_text']) && strlen($_REQUEST['css_text'])>5) {
		$result = $css->parse($_REQUEST['css_text']);
	}

	if ($result) {
		$ratio = $css->print->get_ratio();
		$diff = $css->print->get_diff();
		if (isset($_REQUEST['file_output'])) {
			$filename = md5(mt_rand().time().mt_rand());
			if (!is_dir('temp')) {
				$madedir = mkdir('temp');
				if (!$madedir) {
					print 'Could not make directory "temp" in '.dirname(__FILE__);
					exit;
				}
			}
			$handle = fopen('temp/'.$filename.'.css','w');
			if ($handle) {
				if (fwrite($handle,$css->print->plain())) {
					$file_ok = true;
				}
			}
			fclose($handle);
		}
		if ($ratio>0) $ratio = '<span style="color:green">'.$ratio.'%</span>
	('.$diff.' Bytes)'; else $ratio = '<span
	style="color:red;">'.$ratio.'%</span> ('.$diff.' Bytes)';
		if (count($css->log) > 0): ?>
		<fieldset id="messages"><legend>Messages</legend>
			<div><dl><?php
			foreach ($css->log as $line => $array) {
				echo '<dt>',$line,'</dt>';
				$array_size = count($array);
				for ($i = 0; $i < $array_size; ++$i) {
					echo '<dd class="',$array[$i]['t'],'">',$array[$i]['m'],'</dd>';
				}
			}
			?></dl></div>
		</fieldset>
		<?php endif;
		echo '<fieldset><legend>',$lang[$l][37],': ',$css->print->size('input'),'KB, ',$lang[$l][38],':',$css->print->size('output'),'KB, ',$lang[$l][36],': ',$ratio;
		if ($file_ok) {
			echo ' - <a href="temp/',$filename,'.css">Download</a>';
		}
		echo ' - <a href="javascript:ClipBoard()">',$lang[$l][58],'</a>'
		, '</legend>'
		, '<code id="copytext">'
		, $css->print->formatted()
		, '</code></fieldset><div><br /></div>'

		, '<fieldset class="code_output"><legend>',$lang[$l][64],'</legend>'
		, '<textarea rows="10" cols="80">';

		if (isset($_REQUEST['whole_file'])) {
			echo htmlspecialchars($css->print->formatted_page('xhtml1.1', false, '', 'en'), ENT_QUOTES, 'utf-8');
		} else {
			echo htmlspecialchars('<code id="copytext">', ENT_QUOTES, 'utf-8'),"\n";
			echo htmlspecialchars($css->print->formatted()."\n".'</code>', ENT_QUOTES, 'utf-8');
		}
		echo '</textarea></fieldset>'
		, '<fieldset class="code_output"><legend>',$lang[$l][65],'</legend>'
		, '<textarea rows="10" cols="30">';

		echo file_get_contents('cssparsed.css');
		echo '</textarea>'

		, '</fieldset><p><a href="javascript:scrollTo(0,0)">&#8593; ',$lang[$l][59],'</a></p>';

	 } elseif (isset($_REQUEST['css_text']) || isset($_REQUEST['url'])) {
		echo '<p class="important">',$lang[$l][28],'</p>';
	 }
	 ?>
	<p style="text-align:center;font-size:.8em;clear:both">
		<?php echo $lang[$l][61] ?> <a
		href="http://csstidy.sourceforge.net/contact.php"><?php echo $lang[$l][62] ?></a>.
	</p>
	</body>
</html>