* // call customCssMinifier($css) for all CSS minification
* $options['minifiers'][Minify::TYPE_CSS] = 'customCssMinifier';
*
* // don't minify Javascript at all
* $options['minifiers'][Minify::TYPE_JS] = '';
*
*
* 'minifierOptions' : to send options to the minifier function, specify your options
* under the key of the content-type. E.g. To send the CSS minifier an option:
*
* // give CSS minifier array('optionName' => 'optionValue') as 2nd argument
* $options['minifierOptions'][Minify::TYPE_CSS]['optionName'] = 'optionValue';
*
*
* 'contentType' : (optional) this is only needed if your file extension is not
* js/css/html. The given content-type will be sent regardless of source file
* extension, so this should not be used in a Groups config with other
* Javascript/CSS files.
*
* Any controller options are documented in that controller's setupSources() method.
*
* @param mixed $controller instance of subclass of Minify_Controller_Base or string
* name of controller. E.g. 'Files'
*
* @param array $options controller/serve options
*
* @return null|array if the 'quiet' option is set to true, an array
* with keys "success" (bool), "statusCode" (int), "content" (string), and
* "headers" (array).
*
* @throws Exception
*/
public static function serve($controller, $options = array())
{
if (! self::$isDocRootSet && 0 === stripos(PHP_OS, 'win')) {
self::setDocRoot();
}
if (is_string($controller)) {
// make $controller into object
$class = 'Minify_Controller_' . $controller;
$controller = new $class();
/* @var Minify_Controller_Base $controller */
}
// set up controller sources and mix remaining options with
// controller defaults
$options = $controller->setupSources($options);
$options = $controller->analyzeSources($options);
self::$_options = $controller->mixInDefaultOptions($options);
// check request validity
if (! $controller->sources) {
// invalid request!
if (! self::$_options['quiet']) {
self::_errorExit(self::$_options['badRequestHeader'], self::URL_DEBUG);
} else {
list(,$statusCode) = explode(' ', self::$_options['badRequestHeader']);
return array(
'success' => false
,'statusCode' => (int)$statusCode
,'content' => ''
,'headers' => array()
);
}
}
self::$_controller = $controller;
if (self::$_options['debug']) {
self::_setupDebug($controller->sources);
self::$_options['maxAge'] = 0;
}
// determine encoding
if (self::$_options['encodeOutput']) {
$sendVary = true;
if (self::$_options['encodeMethod'] !== null) {
// controller specifically requested this
$contentEncoding = self::$_options['encodeMethod'];
} else {
// sniff request header
// depending on what the client accepts, $contentEncoding may be
// 'x-gzip' while our internal encodeMethod is 'gzip'. Calling
// getAcceptedEncoding(false, false) leaves out compress and deflate as options.
list(self::$_options['encodeMethod'], $contentEncoding) = HTTP_Encoder::getAcceptedEncoding(false, false);
$sendVary = ! HTTP_Encoder::isBuggyIe();
}
} else {
self::$_options['encodeMethod'] = ''; // identity (no encoding)
}
// check client cache
$cgOptions = array(
'lastModifiedTime' => self::$_options['lastModifiedTime']
,'isPublic' => self::$_options['isPublic']
,'encoding' => self::$_options['encodeMethod']
);
if (self::$_options['maxAge'] > 0) {
$cgOptions['maxAge'] = self::$_options['maxAge'];
} elseif (self::$_options['debug']) {
$cgOptions['invalidate'] = true;
}
$cg = new HTTP_ConditionalGet($cgOptions);
if ($cg->cacheIsValid) {
// client's cache is valid
if (! self::$_options['quiet']) {
$cg->sendHeaders();
return;
} else {
return array(
'success' => true
,'statusCode' => 304
,'content' => ''
,'headers' => $cg->getHeaders()
);
}
} else {
// client will need output
$headers = $cg->getHeaders();
unset($cg);
}
if (self::$_options['contentType'] === self::TYPE_CSS
&& self::$_options['rewriteCssUris']) {
foreach($controller->sources as $key => $source) {
if ($source->filepath
&& !isset($source->minifyOptions['currentDir'])
&& !isset($source->minifyOptions['prependRelativePath'])
) {
$source->minifyOptions['currentDir'] = dirname($source->filepath);
}
}
}
// check server cache
if (null !== self::$_cache && ! self::$_options['debug']) {
// using cache
// the goal is to use only the cache methods to sniff the length and
// output the content, as they do not require ever loading the file into
// memory.
$cacheId = self::_getCacheId();
$fullCacheId = (self::$_options['encodeMethod'])
? $cacheId . '.gz'
: $cacheId;
// check cache for valid entry
$cacheIsReady = self::$_cache->isValid($fullCacheId, self::$_options['lastModifiedTime']);
if ($cacheIsReady) {
$cacheContentLength = self::$_cache->getSize($fullCacheId);
} else {
// generate & cache content
try {
$content = self::_combineMinify();
} catch (Exception $e) {
self::$_controller->log($e->getMessage());
if (! self::$_options['quiet']) {
self::_errorExit(self::$_options['errorHeader'], self::URL_DEBUG);
}
throw $e;
}
self::$_cache->store($cacheId, $content);
if (function_exists('gzencode') && self::$_options['encodeMethod']) {
self::$_cache->store($cacheId . '.gz', gzencode($content, self::$_options['encodeLevel']));
}
}
} else {
// no cache
$cacheIsReady = false;
try {
$content = self::_combineMinify();
} catch (Exception $e) {
self::$_controller->log($e->getMessage());
if (! self::$_options['quiet']) {
self::_errorExit(self::$_options['errorHeader'], self::URL_DEBUG);
}
throw $e;
}
}
if (! $cacheIsReady && self::$_options['encodeMethod']) {
// still need to encode
$content = gzencode($content, self::$_options['encodeLevel']);
}
// add headers
$headers['Content-Length'] = $cacheIsReady
? $cacheContentLength
: ((function_exists('mb_strlen') && ((int)ini_get('mbstring.func_overload') & 2))
? mb_strlen($content, '8bit')
: strlen($content)
);
$headers['Content-Type'] = self::$_options['contentTypeCharset']
? self::$_options['contentType'] . '; charset=' . self::$_options['contentTypeCharset']
: self::$_options['contentType'];
if (self::$_options['encodeMethod'] !== '') {
$headers['Content-Encoding'] = $contentEncoding;
}
if (self::$_options['encodeOutput'] && $sendVary) {
$headers['Vary'] = 'Accept-Encoding';
}
if (! self::$_options['quiet']) {
// output headers & content
foreach ($headers as $name => $val) {
header($name . ': ' . $val);
}
if ($cacheIsReady) {
self::$_cache->display($fullCacheId);
} else {
echo $content;
}
} else {
return array(
'success' => true
,'statusCode' => 200
,'content' => $cacheIsReady
? self::$_cache->fetch($fullCacheId)
: $content
,'headers' => $headers
);
}
}
/**
* Return combined minified content for a set of sources
*
* No internal caching will be used and the content will not be HTTP encoded.
*
* @param array $sources array of filepaths and/or Minify_Source objects
*
* @param array $options (optional) array of options for serve. By default
* these are already set: quiet = true, encodeMethod = '', lastModifiedTime = 0.
*
* @return string
*/
public static function combine($sources, $options = array())
{
$cache = self::$_cache;
self::$_cache = null;
$options = array_merge(array(
'files' => (array)$sources
,'quiet' => true
,'encodeMethod' => ''
,'lastModifiedTime' => 0
), $options);
$out = self::serve('Files', $options);
self::$_cache = $cache;
return $out['content'];
}
/**
* Set $_SERVER['DOCUMENT_ROOT']. On IIS, the value is created from SCRIPT_FILENAME and SCRIPT_NAME.
*
* @param string $docRoot value to use for DOCUMENT_ROOT
*/
public static function setDocRoot($docRoot = '')
{
self::$isDocRootSet = true;
if ($docRoot) {
$_SERVER['DOCUMENT_ROOT'] = $docRoot;
} elseif (isset($_SERVER['SERVER_SOFTWARE'])
&& 0 === strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/')) {
$_SERVER['DOCUMENT_ROOT'] = substr(
$_SERVER['SCRIPT_FILENAME']
,0
,strlen($_SERVER['SCRIPT_FILENAME']) - strlen($_SERVER['SCRIPT_NAME']));
$_SERVER['DOCUMENT_ROOT'] = rtrim($_SERVER['DOCUMENT_ROOT'], '\\');
}
}
/**
* Any Minify_Cache_* object or null (i.e. no server cache is used)
*
* @var Minify_Cache_File
*/
private static $_cache = null;
/**
* Active controller for current request
*
* @var Minify_Controller_Base
*/
protected static $_controller = null;
/**
* Options for current request
*
* @var array
*/
protected static $_options = null;
/**
* @param string $header
*
* @param string $url
*/
protected static function _errorExit($header, $url)
{
$url = htmlspecialchars($url, ENT_QUOTES);
list(,$h1) = explode(' ', $header, 2);
$h1 = htmlspecialchars($h1);
// FastCGI environments require 3rd arg to header() to be set
list(, $code) = explode(' ', $header, 3);
header($header, true, $code);
header('Content-Type: text/html; charset=utf-8');
echo "Please see $url.
"; exit(); } /** * Set up sources to use Minify_Lines * * @param Minify_Source[] $sources Minify_Source instances */ protected static function _setupDebug($sources) { foreach ($sources as $source) { $source->minifier = array('Minify_Lines', 'minify'); $id = $source->getId(); $source->minifyOptions = array( 'id' => (is_file($id) ? basename($id) : $id) ); } } /** * Combines sources and minifies the result. * * @return string * * @throws Exception */ protected static function _combineMinify() { $type = self::$_options['contentType']; // ease readability // when combining scripts, make sure all statements separated and // trailing single line comment is terminated $implodeSeparator = ($type === self::TYPE_JS) ? "\n;" : ''; // allow the user to pass a particular array of options to each // minifier (designated by type). source objects may still override // these $defaultOptions = isset(self::$_options['minifierOptions'][$type]) ? self::$_options['minifierOptions'][$type] : array(); // if minifier not set, default is no minification. source objects // may still override this $defaultMinifier = isset(self::$_options['minifiers'][$type]) ? self::$_options['minifiers'][$type] : false; // process groups of sources with identical minifiers/options $content = array(); $i = 0; $l = count(self::$_controller->sources); $groupToProcessTogether = array(); $lastMinifier = null; $lastOptions = null; do { // get next source $source = null; if ($i < $l) { $source = self::$_controller->sources[$i]; /* @var Minify_Source $source */ $sourceContent = $source->getContent(); // allow the source to override our minifier and options $minifier = (null !== $source->minifier) ? $source->minifier : $defaultMinifier; $options = (null !== $source->minifyOptions) ? array_merge($defaultOptions, $source->minifyOptions) : $defaultOptions; } // do we need to process our group right now? if ($i > 0 // yes, we have at least the first group populated && ( ! $source // yes, we ran out of sources || $type === self::TYPE_CSS // yes, to process CSS individually (avoiding PCRE bugs/limits) || $minifier !== $lastMinifier // yes, minifier changed || $options !== $lastOptions) // yes, options changed ) { // minify previous sources with last settings $imploded = implode($implodeSeparator, $groupToProcessTogether); $groupToProcessTogether = array(); if ($lastMinifier) { try { $content[] = call_user_func($lastMinifier, $imploded, $lastOptions); } catch (Exception $e) { throw new Exception("Exception in minifier: " . $e->getMessage()); } } else { $content[] = $imploded; } } // add content to the group if ($source) { $groupToProcessTogether[] = $sourceContent; $lastMinifier = $minifier; $lastOptions = $options; } $i++; } while ($source); $content = implode($implodeSeparator, $content); if ($type === self::TYPE_CSS && false !== strpos($content, '@import')) { $content = self::_handleCssImports($content); } // do any post-processing (esp. for editing build URIs) if (self::$_options['postprocessorRequire']) { require_once self::$_options['postprocessorRequire']; } if (self::$_options['postprocessor']) { $content = call_user_func(self::$_options['postprocessor'], $content, $type); } return $content; } /** * Make a unique cache id for for this request. * * Any settings that could affect output are taken into consideration * * @param string $prefix * * @return string */ protected static function _getCacheId($prefix = 'minify') { $name = preg_replace('/[^a-zA-Z0-9\\.=_,]/', '', self::$_controller->selectionId); $name = preg_replace('/\\.+/', '.', $name); $name = substr($name, 0, 200 - 34 - strlen($prefix)); $md5 = md5(serialize(array( Minify_Source::getDigest(self::$_controller->sources) ,self::$_options['minifiers'] ,self::$_options['minifierOptions'] ,self::$_options['postprocessor'] ,self::$_options['bubbleCssImports'] ,self::VERSION ))); return "{$prefix}_{$name}_{$md5}"; } /** * Bubble CSS @imports to the top or prepend a warning if an import is detected not at the top. * * @param string $css * * @return string */ protected static function _handleCssImports($css) { if (self::$_options['bubbleCssImports']) { // bubble CSS imports preg_match_all('/@import.*?;/', $css, $imports); $css = implode('', $imports[0]) . preg_replace('/@import.*?;/', '', $css); } else if ('' !== self::$importWarning) { // remove comments so we don't mistake { in a comment as a block $noCommentCss = preg_replace('@/\\*[\\s\\S]*?\\*/@', '', $css); $lastImportPos = strrpos($noCommentCss, '@import'); $firstBlockPos = strpos($noCommentCss, '{'); if (false !== $lastImportPos && false !== $firstBlockPos && $firstBlockPos < $lastImportPos ) { // { appears before @import : prepend warning $css = self::$importWarning . $css; } } return $css; } } lib/minify/CSSmin.php 0000666 00000073356 13066141674 0010504 0 ustar 00 memory_limit = 128 * 1048576; // 128MB in bytes $this->max_execution_time = 60; // 1 min $this->pcre_backtrack_limit = 1000 * 1000; $this->pcre_recursion_limit = 500 * 1000; $this->raise_php_limits = (bool) $raise_php_limits; } /** * Minify a string of CSS * @param string $css * @param int|bool $linebreak_pos * @return string */ public function run($css = '', $linebreak_pos = FALSE) { if (empty($css)) { return ''; } if ($this->raise_php_limits) { $this->do_raise_php_limits(); } $this->comments = array(); $this->preserved_tokens = array(); $start_index = 0; $length = strlen($css); $css = $this->extract_data_urls($css); // collect all comment blocks... while (($start_index = $this->index_of($css, '/*', $start_index)) >= 0) { $end_index = $this->index_of($css, '*/', $start_index + 2); if ($end_index < 0) { $end_index = $length; } $comment_found = $this->str_slice($css, $start_index + 2, $end_index); $this->comments[] = $comment_found; $comment_preserve_string = self::COMMENT . (count($this->comments) - 1) . '___'; $css = $this->str_slice($css, 0, $start_index + 2) . $comment_preserve_string . $this->str_slice($css, $end_index); // Set correct start_index: Fixes issue #2528130 $start_index = $end_index + 2 + strlen($comment_preserve_string) - strlen($comment_found); } // preserve strings so their content doesn't get accidentally minified $css = preg_replace_callback('/(?:"(?:[^\\\\"]|\\\\.|\\\\)*")|'."(?:'(?:[^\\\\']|\\\\.|\\\\)*')/S", array($this, 'replace_string'), $css); // Let's divide css code in chunks of 25.000 chars aprox. // Reason: PHP's PCRE functions like preg_replace have a "backtrack limit" // of 100.000 chars by default (php < 5.3.7) so if we're dealing with really // long strings and a (sub)pattern matches a number of chars greater than // the backtrack limit number (i.e. /(.*)/s) PCRE functions may fail silently // returning NULL and $css would be empty. $charset = ''; $charset_regexp = '/(@charset)( [^;]+;)/i'; $css_chunks = array(); $css_chunk_length = 25000; // aprox size, not exact $start_index = 0; $i = $css_chunk_length; // save initial iterations $l = strlen($css); // if the number of characters is 25000 or less, do not chunk if ($l <= $css_chunk_length) { $css_chunks[] = $css; } else { // chunk css code securely while ($i < $l) { $i += 50; // save iterations. 500 checks for a closing curly brace } if ($l - $start_index <= $css_chunk_length || $i >= $l) { $css_chunks[] = $this->str_slice($css, $start_index); break; } if ($css[$i - 1] === '}' && $i - $start_index > $css_chunk_length) { // If there are two ending curly braces }} separated or not by spaces, // join them in the same chunk (i.e. @media blocks) $next_chunk = substr($css, $i); if (preg_match('/^\s*\}/', $next_chunk)) { $i = $i + $this->index_of($next_chunk, '}') + 1; } $css_chunks[] = $this->str_slice($css, $start_index, $i); $start_index = $i; } } } // Minify each chunk for ($i = 0, $n = count($css_chunks); $i < $n; $i++) { $css_chunks[$i] = $this->minify($css_chunks[$i], $linebreak_pos); // Keep the first @charset at-rule found if (empty($charset) && preg_match($charset_regexp, $css_chunks[$i], $matches)) { $charset = strtolower($matches[1]) . $matches[2]; } // Delete all @charset at-rules $css_chunks[$i] = preg_replace($charset_regexp, '', $css_chunks[$i]); } // Update the first chunk and push the charset to the top of the file. $css_chunks[0] = $charset . $css_chunks[0]; return implode('', $css_chunks); } /** * Sets the memory limit for this script * @param int|string $limit */ public function set_memory_limit($limit) { $this->memory_limit = $this->normalize_int($limit); } /** * Sets the maximum execution time for this script * @param int|string $seconds */ public function set_max_execution_time($seconds) { $this->max_execution_time = (int) $seconds; } /** * Sets the PCRE backtrack limit for this script * @param int $limit */ public function set_pcre_backtrack_limit($limit) { $this->pcre_backtrack_limit = (int) $limit; } /** * Sets the PCRE recursion limit for this script * @param int $limit */ public function set_pcre_recursion_limit($limit) { $this->pcre_recursion_limit = (int) $limit; } /** * Try to configure PHP to use at least the suggested minimum settings */ private function do_raise_php_limits() { $php_limits = array( 'memory_limit' => $this->memory_limit, 'max_execution_time' => $this->max_execution_time, 'pcre.backtrack_limit' => $this->pcre_backtrack_limit, 'pcre.recursion_limit' => $this->pcre_recursion_limit ); // If current settings are higher respect them. foreach ($php_limits as $name => $suggested) { $current = $this->normalize_int(ini_get($name)); // memory_limit exception: allow -1 for "no memory limit". if ($current > -1 && ($suggested == -1 || $current < $suggested)) { ini_set($name, $suggested); } } } /** * Does bulk of the minification * @param string $css * @param int|bool $linebreak_pos * @return string */ private function minify($css, $linebreak_pos) { // strings are safe, now wrestle the comments for ($i = 0, $max = count($this->comments); $i < $max; $i++) { $token = $this->comments[$i]; $placeholder = '/' . self::COMMENT . $i . '___/'; // ! in the first position of the comment means preserve // so push to the preserved tokens keeping the ! if (substr($token, 0, 1) === '!') { $this->preserved_tokens[] = $token; $token_tring = self::TOKEN . (count($this->preserved_tokens) - 1) . '___'; $css = preg_replace($placeholder, $token_tring, $css, 1); // Preserve new lines for /*! important comments $css = preg_replace('/\s*[\n\r\f]+\s*(\/\*'. $token_tring .')/S', self::NL.'$1', $css); $css = preg_replace('/('. $token_tring .'\*\/)\s*[\n\r\f]+\s*/', '$1'.self::NL, $css); continue; } // \ in the last position looks like hack for Mac/IE5 // shorten that to /*\*/ and the next one to /**/ if (substr($token, (strlen($token) - 1), 1) === '\\') { $this->preserved_tokens[] = '\\'; $css = preg_replace($placeholder, self::TOKEN . (count($this->preserved_tokens) - 1) . '___', $css, 1); $i = $i + 1; // attn: advancing the loop $this->preserved_tokens[] = ''; $css = preg_replace('/' . self::COMMENT . $i . '___/', self::TOKEN . (count($this->preserved_tokens) - 1) . '___', $css, 1); continue; } // keep empty comments after child selectors (IE7 hack) // e.g. html >/**/ body if (strlen($token) === 0) { $start_index = $this->index_of($css, $this->str_slice($placeholder, 1, -1)); if ($start_index > 2) { if (substr($css, $start_index - 3, 1) === '>') { $this->preserved_tokens[] = ''; $css = preg_replace($placeholder, self::TOKEN . (count($this->preserved_tokens) - 1) . '___', $css, 1); } } } // in all other cases kill the comment $css = preg_replace('/\/\*' . $this->str_slice($placeholder, 1, -1) . '\*\//', '', $css, 1); } // Normalize all whitespace strings to single spaces. Easier to work with that way. $css = preg_replace('/\s+/', ' ', $css); // Shorten & preserve calculations calc(...) since spaces are important $css = preg_replace_callback('/calc(\(((?:[^\(\)]+|(?1))*)\))/i', array($this, 'replace_calc'), $css); // Replace positive sign from numbers preceded by : or a white-space before the leading space is removed // +1.2em to 1.2em, +.8px to .8px, +2% to 2% $css = preg_replace('/((? -9.0 to -9 $css = preg_replace('/((?\+\(\)\]\~\=,])/', '$1', $css); // Restore spaces for !important $css = preg_replace('/\!important/i', ' !important', $css); // bring back the colon $css = preg_replace('/' . self::CLASSCOLON . '/', ':', $css); // retain space for special IE6 cases $css = preg_replace_callback('/\:first\-(line|letter)(\{|,)/i', array($this, 'lowercase_pseudo_first'), $css); // no space after the end of a preserved comment $css = preg_replace('/\*\/ /', '*/', $css); // lowercase some popular @directives $css = preg_replace_callback('/@(font-face|import|(?:-(?:atsc|khtml|moz|ms|o|wap|webkit)-)?keyframe|media|page|namespace)/i', array($this, 'lowercase_directives'), $css); // lowercase some more common pseudo-elements $css = preg_replace_callback('/:(active|after|before|checked|disabled|empty|enabled|first-(?:child|of-type)|focus|hover|last-(?:child|of-type)|link|only-(?:child|of-type)|root|:selection|target|visited)/i', array($this, 'lowercase_pseudo_elements'), $css); // lowercase some more common functions $css = preg_replace_callback('/:(lang|not|nth-child|nth-last-child|nth-last-of-type|nth-of-type|(?:-(?:moz|webkit)-)?any)\(/i', array($this, 'lowercase_common_functions'), $css); // lower case some common function that can be values // NOTE: rgb() isn't useful as we replace with #hex later, as well as and() is already done for us $css = preg_replace_callback('/([:,\( ]\s*)(attr|color-stop|from|rgba|to|url|(?:-(?:atsc|khtml|moz|ms|o|wap|webkit)-)?(?:calc|max|min|(?:repeating-)?(?:linear|radial)-gradient)|-webkit-gradient)/iS', array($this, 'lowercase_common_functions_values'), $css); // Put the space back in some cases, to support stuff like // @media screen and (-webkit-min-device-pixel-ratio:0){ $css = preg_replace('/\band\(/i', 'and (', $css); // Remove the spaces after the things that should not have spaces after them. $css = preg_replace('/([\!\{\}\:;\>\+\(\[\~\=,])\s+/S', '$1', $css); // remove unnecessary semicolons $css = preg_replace('/;+\}/', '}', $css); // Fix for issue: #2528146 // Restore semicolon if the last property is prefixed with a `*` (lte IE7 hack) // to avoid issues on Symbian S60 3.x browsers. $css = preg_replace('/(\*[a-z0-9\-]+\s*\:[^;\}]+)(\})/', '$1;$2', $css); // Replace 0 length units 0(px,em,%) with 0. $css = preg_replace('/(^|[^0-9])(?:0?\.)?0(?:em|ex|ch|rem|vw|vh|vm|vmin|cm|mm|in|px|pt|pc|%|deg|g?rad|m?s|k?hz)/iS', '${1}0', $css); // Replace 0 0; or 0 0 0; or 0 0 0 0; with 0. $css = preg_replace('/\:0(?: 0){1,3}(;|\}| \!)/', ':0$1', $css); // Fix for issue: #2528142 // Replace text-shadow:0; with text-shadow:0 0 0; $css = preg_replace('/(text-shadow\:0)(;|\}| \!)/i', '$1 0 0$2', $css); // Replace background-position:0; with background-position:0 0; // same for transform-origin // Changing -webkit-mask-position: 0 0 to just a single 0 will result in the second parameter defaulting to 50% (center) $css = preg_replace('/(background\-position|webkit-mask-position|(?:webkit|moz|o|ms|)\-?transform\-origin)\:0(;|\}| \!)/iS', '$1:0 0$2', $css); // Shorten colors from rgb(51,102,153) to #336699, rgb(100%,0%,0%) to #ff0000 (sRGB color space) // Shorten colors from hsl(0, 100%, 50%) to #ff0000 (sRGB color space) // This makes it more likely that it'll get further compressed in the next step. $css = preg_replace_callback('/rgb\s*\(\s*([0-9,\s\-\.\%]+)\s*\)(.{1})/i', array($this, 'rgb_to_hex'), $css); $css = preg_replace_callback('/hsl\s*\(\s*([0-9,\s\-\.\%]+)\s*\)(.{1})/i', array($this, 'hsl_to_hex'), $css); // Shorten colors from #AABBCC to #ABC or short color name. $css = $this->compress_hex_colors($css); // border: none to border:0, outline: none to outline:0 $css = preg_replace('/(border\-?(?:top|right|bottom|left|)|outline)\:none(;|\}| \!)/iS', '$1:0$2', $css); // shorter opacity IE filter $css = preg_replace('/progid\:DXImageTransform\.Microsoft\.Alpha\(Opacity\=/i', 'alpha(opacity=', $css); // Find a fraction that is used for Opera's -o-device-pixel-ratio query // Add token to add the "\" back in later $css = preg_replace('/\(([a-z\-]+):([0-9]+)\/([0-9]+)\)/i', '($1:$2'. self::QUERY_FRACTION .'$3)', $css); // Remove empty rules. $css = preg_replace('/[^\};\{\/]+\{\}/S', '', $css); // Add "/" back to fix Opera -o-device-pixel-ratio query $css = preg_replace('/'. self::QUERY_FRACTION .'/', '/', $css); // Some source control tools don't like it when files containing lines longer // than, say 8000 characters, are checked in. The linebreak option is used in // that case to split long lines after a specific column. if ($linebreak_pos !== FALSE && (int) $linebreak_pos >= 0) { $linebreak_pos = (int) $linebreak_pos; $start_index = $i = 0; while ($i < strlen($css)) { $i++; if ($css[$i - 1] === '}' && $i - $start_index > $linebreak_pos) { $css = $this->str_slice($css, 0, $i) . "\n" . $this->str_slice($css, $i); $start_index = $i; } } } // Replace multiple semi-colons in a row by a single one // See SF bug #1980989 $css = preg_replace('/;;+/', ';', $css); // Restore new lines for /*! important comments $css = preg_replace('/'. self::NL .'/', "\n", $css); // Lowercase all uppercase properties $css = preg_replace_callback('/(\{|\;)([A-Z\-]+)(\:)/', array($this, 'lowercase_properties'), $css); // restore preserved comments and strings for ($i = 0, $max = count($this->preserved_tokens); $i < $max; $i++) { $css = preg_replace('/' . self::TOKEN . $i . '___/', $this->preserved_tokens[$i], $css, 1); } // Trim the final string (for any leading or trailing white spaces) return trim($css); } /** * Utility method to replace all data urls with tokens before we start * compressing, to avoid performance issues running some of the subsequent * regexes against large strings chunks. * * @param string $css * @return string */ private function extract_data_urls($css) { // Leave data urls alone to increase parse performance. $max_index = strlen($css) - 1; $append_index = $index = $last_index = $offset = 0; $sb = array(); $pattern = '/url\(\s*(["\']?)data\:/i'; // Since we need to account for non-base64 data urls, we need to handle // ' and ) being part of the data string. Hence switching to indexOf, // to determine whether or not we have matching string terminators and // handling sb appends directly, instead of using matcher.append* methods. while (preg_match($pattern, $css, $m, 0, $offset)) { $index = $this->index_of($css, $m[0], $offset); $last_index = $index + strlen($m[0]); $start_index = $index + 4; // "url(".length() $end_index = $last_index - 1; $terminator = $m[1]; // ', " or empty (not quoted) $found_terminator = FALSE; if (strlen($terminator) === 0) { $terminator = ')'; } while ($found_terminator === FALSE && $end_index+1 <= $max_index) { $end_index = $this->index_of($css, $terminator, $end_index + 1); // endIndex == 0 doesn't really apply here if ($end_index > 0 && substr($css, $end_index - 1, 1) !== '\\') { $found_terminator = TRUE; if (')' != $terminator) { $end_index = $this->index_of($css, ')', $end_index); } } } // Enough searching, start moving stuff over to the buffer $sb[] = $this->str_slice($css, $append_index, $index); if ($found_terminator) { $token = $this->str_slice($css, $start_index, $end_index); $token = preg_replace('/\s+/', '', $token); $this->preserved_tokens[] = $token; $preserver = 'url(' . self::TOKEN . (count($this->preserved_tokens) - 1) . '___)'; $sb[] = $preserver; $append_index = $end_index + 1; } else { // No end terminator found, re-add the whole match. Should we throw/warn here? $sb[] = $this->str_slice($css, $index, $last_index); $append_index = $last_index; } $offset = $last_index; } $sb[] = $this->str_slice($css, $append_index); return implode('', $sb); } /** * Utility method to compress hex color values of the form #AABBCC to #ABC or short color name. * * DOES NOT compress CSS ID selectors which match the above pattern (which would break things). * e.g. #AddressForm { ... } * * DOES NOT compress IE filters, which have hex color values (which would break things). * e.g. filter: chroma(color="#FFFFFF"); * * DOES NOT compress invalid hex values. * e.g. background-color: #aabbccdd * * @param string $css * @return string */ private function compress_hex_colors($css) { // Look for hex colors inside { ... } (to avoid IDs) and which don't have a =, or a " in front of them (to avoid filters) $pattern = '/(\=\s*?["\']?)?#([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])(\}|[^0-9a-f{][^{]*?\})/iS'; $_index = $index = $last_index = $offset = 0; $sb = array(); // See: http://ajaxmin.codeplex.com/wikipage?title=CSS%20Colors $short_safe = array( '#808080' => 'gray', '#008000' => 'green', '#800000' => 'maroon', '#000080' => 'navy', '#808000' => 'olive', '#ffa500' => 'orange', '#800080' => 'purple', '#c0c0c0' => 'silver', '#008080' => 'teal', '#f00' => 'red' ); while (preg_match($pattern, $css, $m, 0, $offset)) { $index = $this->index_of($css, $m[0], $offset); $last_index = $index + strlen($m[0]); $is_filter = $m[1] !== null && $m[1] !== ''; $sb[] = $this->str_slice($css, $_index, $index); if ($is_filter) { // Restore, maintain case, otherwise filter will break $sb[] = $m[1] . '#' . $m[2] . $m[3] . $m[4] . $m[5] . $m[6] . $m[7]; } else { if (strtolower($m[2]) == strtolower($m[3]) && strtolower($m[4]) == strtolower($m[5]) && strtolower($m[6]) == strtolower($m[7])) { // Compress. $hex = '#' . strtolower($m[3] . $m[5] . $m[7]); } else { // Non compressible color, restore but lower case. $hex = '#' . strtolower($m[2] . $m[3] . $m[4] . $m[5] . $m[6] . $m[7]); } // replace Hex colors to short safe color names $sb[] = array_key_exists($hex, $short_safe) ? $short_safe[$hex] : $hex; } $_index = $offset = $last_index - strlen($m[8]); } $sb[] = $this->str_slice($css, $_index); return implode('', $sb); } /* CALLBACKS * --------------------------------------------------------------------------------------------- */ private function replace_string($matches) { $match = $matches[0]; $quote = substr($match, 0, 1); // Must use addcslashes in PHP to avoid parsing of backslashes $match = addcslashes($this->str_slice($match, 1, -1), '\\'); // maybe the string contains a comment-like substring? // one, maybe more? put'em back then if (($pos = $this->index_of($match, self::COMMENT)) >= 0) { for ($i = 0, $max = count($this->comments); $i < $max; $i++) { $match = preg_replace('/' . self::COMMENT . $i . '___/', $this->comments[$i], $match, 1); } } // minify alpha opacity in filter strings $match = preg_replace('/progid\:DXImageTransform\.Microsoft\.Alpha\(Opacity\=/i', 'alpha(opacity=', $match); $this->preserved_tokens[] = $match; return $quote . self::TOKEN . (count($this->preserved_tokens) - 1) . '___' . $quote; } private function replace_colon($matches) { return preg_replace('/\:/', self::CLASSCOLON, $matches[0]); } private function replace_calc($matches) { $this->preserved_tokens[] = trim(preg_replace('/\s*([\*\/\(\),])\s*/', '$1', $matches[2])); return 'calc('. self::TOKEN . (count($this->preserved_tokens) - 1) . '___' . ')'; } private function rgb_to_hex($matches) { // Support for percentage values rgb(100%, 0%, 45%); if ($this->index_of($matches[1], '%') >= 0){ $rgbcolors = explode(',', str_replace('%', '', $matches[1])); for ($i = 0; $i < count($rgbcolors); $i++) { $rgbcolors[$i] = $this->round_number(floatval($rgbcolors[$i]) * 2.55); } } else { $rgbcolors = explode(',', $matches[1]); } // Values outside the sRGB color space should be clipped (0-255) for ($i = 0; $i < count($rgbcolors); $i++) { $rgbcolors[$i] = $this->clamp_number(intval($rgbcolors[$i], 10), 0, 255); $rgbcolors[$i] = sprintf("%02x", $rgbcolors[$i]); } // Fix for issue #2528093 if (!preg_match('/[\s\,\);\}]/', $matches[2])){ $matches[2] = ' ' . $matches[2]; } return '#' . implode('', $rgbcolors) . $matches[2]; } private function hsl_to_hex($matches) { $values = explode(',', str_replace('%', '', $matches[1])); $h = floatval($values[0]); $s = floatval($values[1]); $l = floatval($values[2]); // Wrap and clamp, then fraction! $h = ((($h % 360) + 360) % 360) / 360; $s = $this->clamp_number($s, 0, 100) / 100; $l = $this->clamp_number($l, 0, 100) / 100; if ($s == 0) { $r = $g = $b = $this->round_number(255 * $l); } else { $v2 = $l < 0.5 ? $l * (1 + $s) : ($l + $s) - ($s * $l); $v1 = (2 * $l) - $v2; $r = $this->round_number(255 * $this->hue_to_rgb($v1, $v2, $h + (1/3))); $g = $this->round_number(255 * $this->hue_to_rgb($v1, $v2, $h)); $b = $this->round_number(255 * $this->hue_to_rgb($v1, $v2, $h - (1/3))); } return $this->rgb_to_hex(array('', $r.','.$g.','.$b, $matches[2])); } private function lowercase_pseudo_first($matches) { return ':first-'. strtolower($matches[1]) .' '. $matches[2]; } private function lowercase_directives($matches) { return '@'. strtolower($matches[1]); } private function lowercase_pseudo_elements($matches) { return ':'. strtolower($matches[1]); } private function lowercase_common_functions($matches) { return ':'. strtolower($matches[1]) .'('; } private function lowercase_common_functions_values($matches) { return $matches[1] . strtolower($matches[2]); } private function lowercase_properties($matches) { return $matches[1].strtolower($matches[2]).$matches[3]; } /* HELPERS * --------------------------------------------------------------------------------------------- */ private function hue_to_rgb($v1, $v2, $vh) { $vh = $vh < 0 ? $vh + 1 : ($vh > 1 ? $vh - 1 : $vh); if ($vh * 6 < 1) return $v1 + ($v2 - $v1) * 6 * $vh; if ($vh * 2 < 1) return $v2; if ($vh * 3 < 2) return $v1 + ($v2 - $v1) * ((2/3) - $vh) * 6; return $v1; } private function round_number($n) { return intval(floor(floatval($n) + 0.5), 10); } private function clamp_number($n, $min, $max) { return min(max($n, $min), $max); } /** * PHP port of Javascript's "indexOf" function for strings only * Author: Tubal Martin http://blog.margenn.com * * @param string $haystack * @param string $needle * @param int $offset index (optional) * @return int */ private function index_of($haystack, $needle, $offset = 0) { $index = strpos($haystack, $needle, $offset); return ($index !== FALSE) ? $index : -1; } /** * PHP port of Javascript's "slice" function for strings only * Author: Tubal Martin http://blog.margenn.com * Tests: http://margenn.com/tubal/str_slice/ * * @param string $str * @param int $start index * @param int|bool $end index (optional) * @return string */ private function str_slice($str, $start = 0, $end = FALSE) { if ($end !== FALSE && ($start < 0 || $end <= 0)) { $max = strlen($str); if ($start < 0) { if (($start = $max + $start) < 0) { return ''; } } if ($end < 0) { if (($end = $max + $end) < 0) { return ''; } } if ($end <= $start) { return ''; } } $slice = ($end === FALSE) ? substr($str, $start) : substr($str, $start, $end - $start); return ($slice === FALSE) ? '' : $slice; } /** * Convert strings like "64M" or "30" to int values * @param mixed $size * @return int */ private function normalize_int($size) { if (is_string($size)) { switch (substr($size, -1)) { case 'M': case 'm': return $size * 1048576; case 'K': case 'k': return $size * 1024; case 'G': case 'g': return $size * 1073741824; } } return (int) $size; } } lib/minify/JSMinPlus.php 0000666 00000146220 13066141674 0011163 0 ustar 00 * * Usage: $minified = JSMinPlus::minify($script [, $filename]) * * Versionlog (see also changelog.txt): * 23-07-2011 - remove dynamic creation of OP_* and KEYWORD_* defines and declare them on top * reduce memory footprint by minifying by block-scope * some small byte-saving and performance improvements * 12-05-2009 - fixed hook:colon precedence, fixed empty body in loop and if-constructs * 18-04-2009 - fixed crashbug in PHP 5.2.9 and several other bugfixes * 12-04-2009 - some small bugfixes and performance improvements * 09-04-2009 - initial open sourced version 1.0 * * Latest version of this script: http://files.tweakers.net/jsminplus/jsminplus.zip * */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Narcissus JavaScript engine. * * The Initial Developer of the Original Code is * Brendan Eich
* echo $b->uri('/site.js');
* // outputs "/site.js?1678242"
*
* echo $b->uri('/scriptaculous.js?load=effects');
* // outputs "/scriptaculous.js?load=effects&1678242"
*
*
* @param string $uri
* @param boolean $forceAmpersand (default = false) Force the use of ampersand to
* append the timestamp to the URI.
* @return string
*/
public function uri($uri, $forceAmpersand = false) {
$sep = ($forceAmpersand || strpos($uri, '?') !== false)
? self::$ampersand
: '?';
return "{$uri}{$sep}{$this->lastModified}";
}
/**
* Create a build object
*
* @param array $sources array of Minify_Source objects and/or file paths
*
* @return null
*/
public function __construct($sources)
{
$max = 0;
foreach ((array)$sources as $source) {
if ($source instanceof Minify_Source) {
$max = max($max, $source->lastModified);
} elseif (is_string($source)) {
if (0 === strpos($source, '//')) {
$source = $_SERVER['DOCUMENT_ROOT'] . substr($source, 1);
}
if (is_file($source)) {
$max = max($max, filemtime($source));
}
}
}
$this->lastModified = $max;
}
}
lib/minify/Minify/YUICompressor.php 0000666 00000011153 13066141674 0013311 0 ustar 00
* Minify_YUICompressor::$jarFile = '/path/to/yuicompressor-2.4.6.jar';
* Minify_YUICompressor::$tempDir = '/tmp';
* $code = Minify_YUICompressor::minifyJs(
* $code
* ,array('nomunge' => true, 'line-break' => 1000)
* );
*
*
* Note: In case you run out stack (default is 512k), you may increase stack size in $options:
* array('stack-size' => '2048k')
*
* @todo unit tests, $options docs
*
* @package Minify
* @author Stephen Clay _reservePlace("