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Code Issues Releases Wiki Activity

New Minify Classes!

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Awilum
2013-01-20 01:25:04 +02:00
parent 2f2ef57e9d
commit ded831e9a7
5 changed files with 355 additions and 94 deletions
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4
libraries/Gelato/Gelato.php
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@@ -88,7 +88,9 @@ ClassLoader::mapClasses(array(
'Html' => __DIR__.'/Html/Html.php',
'Image' => __DIR__.'/Image/Image.php',
'Inflector' => __DIR__.'/Inflector/Inflector.php',
'Minify' => __DIR__.'/Minify/Minify.php',
'MinifyCSS' => __DIR__.'/Minify/MinifyCSS.php',
'MinifyHTML' => __DIR__.'/Minify/MinifyHTML.php',
'MinifyJS' => __DIR__.'/Minify/MinifyJS.php',
'Notification' => __DIR__.'/Notification/Notification.php',
'Number' => __DIR__.'/Number/Number.php',
'Registry' => __DIR__.'/Registry/Registry.php',

93
libraries/Gelato/Minify/Minify.php
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@@ -1,93 +0,0 @@
<?php
/**
* Gelato Library
*
* This source file is part of the Gelato Library. More information,
* documentation and tutorials can be found at http://gelato.monstra.org
*
* @package Gelato
*
* @author Romanenko Sergey / Awilum <awilum@msn.com>
* @copyright 2012-2013 Romanenko Sergey / Awilum <awilum@msn.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Minify
{
/**
* Protected constructor since this is a static class.
*
* @access protected
*/
protected function __construct()
{
// Nothing here
}
/**
* Minify html
*
* <code>
* echo Minify::html($buffer);
* </code>
*
* @param string $buffer html
* @return string
*/
public static function html($buffer)
{
return preg_replace('/^\\s+|\\s+$/m', '', $buffer);
}
/**
* Minify css
*
* <code>
* echo Minify::css($buffer);
* </code>
*
* @param string $buffer css
* @return string
*/
public static function css($buffer)
{
// Remove comments
$buffer = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $buffer);
// Remove tabs, spaces, newlines, etc.
$buffer = str_replace(array("\r\n", "\r", "\n", "\t", ' ', ' ', ' '), '', $buffer);
// Preserve empty comment after '>' http://www.webdevout.net/css-hacks#in_css-selectors
$buffer = preg_replace('@>/\\*\\s*\\*/@', '>/*keep*/', $buffer);
// Preserve empty comment between property and value
// http://css-discuss.incutio.com/?page=BoxModelHack
$buffer = preg_replace('@/\\*\\s*\\*/\\s*:@', '/*keep*/:', $buffer);
$buffer = preg_replace('@:\\s*/\\*\\s*\\*/@', ':/*keep*/', $buffer);
// Remove ws around { } and last semicolon in declaration block
$buffer = preg_replace('/\\s*{\\s*/', '{', $buffer);
$buffer = preg_replace('/;?\\s*}\\s*/', '}', $buffer);
// Remove ws surrounding semicolons
$buffer = preg_replace('/\\s*;\\s*/', ';', $buffer);
// Remove ws around urls
$buffer = preg_replace('/url\\(\\s*([^\\)]+?)\\s*\\)/x', 'url($1)', $buffer);
// Remove ws between rules and colons
$buffer = preg_replace('/\\s*([{;])\\s*([\\*_]?[\\w\\-]+)\\s*:\\s*(\\b|[#\'"])/x', '$1$2:$3', $buffer);
// Minimize hex colors
$buffer = preg_replace('/([^=])#([a-f\\d])\\2([a-f\\d])\\3([a-f\\d])\\4([\\s;\\}])/i', '$1#$2$3$4$5', $buffer);
// Replace any ws involving newlines with a single newline
$buffer = preg_replace('/[ \\t]*\\n+\\s*/', "\n", $buffer);
return $buffer;
}
}

255
libraries/Gelato/Minify/MinifyCSS.php Normal file
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@@ -0,0 +1,255 @@
<?php
/**
* Gelato Library
*
* This source file is part of the Gelato Library. More information,
* documentation and tutorials can be found at http://gelato.monstra.org
*
* @package Gelato
*
* @author Romanenko Sergey / Awilum <awilum@msn.com>
* @author Stephen Clay <steve@mrclay.org>
* @copyright 2012-2013 Romanenko Sergey / Awilum <awilum@msn.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class MinifyCSS
{
/**
* @var array
*/
protected $_options = null;
/**
* Are we "in" a hack? I.e. are some browsers targetted until the next comment?
*
* @var bool
*/
protected $_inHack = false;
/**
* Constructor
*
* @param array $options (currently ignored)
*/
private function __construct($options)
{
$this->_options = $options;
}
/**
* Minify a CSS string
*
* @param string $css
*
* @param array $options (currently ignored)
*
* @return string
*/
public static function process($css, $options = array())
{
$obj = new MinifyCSS($options);
return $obj->_process($css);
}
/**
* Minify a CSS string
*
* @param string $css
*
* @return string
*/
protected function _process($css)
{
$css = str_replace("\r\n", "\n", $css);
// preserve empty comment after '>'
// http://www.webdevout.net/css-hacks#in_css-selectors
$css = preg_replace('@>/\\*\\s*\\*/@', '>/*keep*/', $css);
// preserve empty comment between property and value
// http://css-discuss.incutio.com/?page=BoxModelHack
$css = preg_replace('@/\\*\\s*\\*/\\s*:@', '/*keep*/:', $css);
$css = preg_replace('@:\\s*/\\*\\s*\\*/@', ':/*keep*/', $css);
// apply callback to all valid comments (and strip out surrounding ws
$css = preg_replace_callback('@\\s*/\\*([\\s\\S]*?)\\*/\\s*@'
,array($this, '_commentCB'), $css);
// remove ws around { } and last semicolon in declaration block
$css = preg_replace('/\\s*{\\s*/', '{', $css);
$css = preg_replace('/;?\\s*}\\s*/', '}', $css);
// remove ws surrounding semicolons
$css = preg_replace('/\\s*;\\s*/', ';', $css);
// remove ws around urls
$css = preg_replace('/
url\\( # url(
\\s*
([^\\)]+?) # 1 = the URL (really just a bunch of non right parenthesis)
\\s*
\\) # )
/x', 'url($1)', $css);
// remove ws between rules and colons
$css = preg_replace('/
\\s*
([{;]) # 1 = beginning of block or rule separator
\\s*
([\\*_]?[\\w\\-]+) # 2 = property (and maybe IE filter)
\\s*
:
\\s*
(\\b|[#\'"-]) # 3 = first character of a value
/x', '$1$2:$3', $css);
// remove ws in selectors
$css = preg_replace_callback('/
(?: # non-capture
\\s*
[^~>+,\\s]+ # selector part
\\s*
[,>+~] # combinators
)+
\\s*
[^~>+,\\s]+ # selector part
{ # open declaration block
/x'
,array($this, '_selectorsCB'), $css);
// minimize hex colors
$css = preg_replace('/([^=])#([a-f\\d])\\2([a-f\\d])\\3([a-f\\d])\\4([\\s;\\}])/i'
, '$1#$2$3$4$5', $css);
// remove spaces between font families
$css = preg_replace_callback('/font-family:([^;}]+)([;}])/'
,array($this, '_fontFamilyCB'), $css);
$css = preg_replace('/@import\\s+url/', '@import url', $css);
// replace any ws involving newlines with a single newline
$css = preg_replace('/[ \\t]*\\n+\\s*/', "\n", $css);
// separate common descendent selectors w/ newlines (to limit line lengths)
$css = preg_replace('/([\\w#\\.\\*]+)\\s+([\\w#\\.\\*]+){/', "$1\n$2{", $css);
// Use newline after 1st numeric value (to limit line lengths).
$css = preg_replace('/
((?:padding|margin|border|outline):\\d+(?:px|em)?) # 1 = prop : 1st numeric value
\\s+
/x'
,"$1\n", $css);
// prevent triggering IE6 bug: http://www.crankygeek.com/ie6pebug/
$css = preg_replace('/:first-l(etter|ine)\\{/', ':first-l$1 {', $css);
return trim($css);
}
/**
* Replace what looks like a set of selectors
*
* @param array $m regex matches
*
* @return string
*/
protected function _selectorsCB($m)
{
// remove ws around the combinators
return preg_replace('/\\s*([,>+~])\\s*/', '$1', $m[0]);
}
/**
* Process a comment and return a replacement
*
* @param array $m regex matches
*
* @return string
*/
protected function _commentCB($m)
{
$hasSurroundingWs = (trim($m[0]) !== $m[1]);
$m = $m[1];
// $m is the comment content w/o the surrounding tokens,
// but the return value will replace the entire comment.
if ($m === 'keep') {
return '/**/';
}
if ($m === '" "') {
// component of http://tantek.com/CSS/Examples/midpass.html
return '/*" "*/';
}
if (preg_match('@";\\}\\s*\\}/\\*\\s+@', $m)) {
// component of http://tantek.com/CSS/Examples/midpass.html
return '/*";}}/* */';
}
if ($this->_inHack) {
// inversion: feeding only to one browser
if (preg_match('@
^/ # comment started like /*/
\\s*
(\\S[\\s\\S]+?) # has at least some non-ws content
\\s*
/\\* # ends like /*/ or /**/
@x', $m, $n)) {
// end hack mode after this comment, but preserve the hack and comment content
$this->_inHack = false;
return "/*/{$n[1]}/**/";
}
}
if (substr($m, -1) === '\\') { // comment ends like \*/
// begin hack mode and preserve hack
$this->_inHack = true;
return '/*\\*/';
}
if ($m !== '' && $m[0] === '/') { // comment looks like /*/ foo */
// begin hack mode and preserve hack
$this->_inHack = true;
return '/*/*/';
}
if ($this->_inHack) {
// a regular comment ends hack mode but should be preserved
$this->_inHack = false;
return '/**/';
}
// Issue 107: if there's any surrounding whitespace, it may be important, so
// replace the comment with a single space
return $hasSurroundingWs // remove all other comments
? ' '
: '';
}
/**
* Process a font-family listing and return a replacement
*
* @param array $m regex matches
*
* @return string
*/
protected function _fontFamilyCB($m)
{
// Issue 210: must not eliminate WS between words in unquoted families
$pieces = preg_split('/(\'[^\']+\'|"[^"]+")/', $m[1], null, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
$out = 'font-family:';
while (null !== ($piece = array_shift($pieces))) {
if ($piece[0] !== '"' && $piece[0] !== "'") {
$piece = preg_replace('/\\s+/', ' ', $piece);
$piece = preg_replace('/\\s?,\\s?/', ',', $piece);
}
$out .= $piece;
}
return $out . $m[2];
}
}

47
libraries/Gelato/Minify/MinifyHTML.php Normal file
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@@ -0,0 +1,47 @@
<?php
/**
* Gelato Library
*
* This source file is part of the Gelato Library. More information,
* documentation and tutorials can be found at http://gelato.monstra.org
*
* @package Gelato
*
* @author Romanenko Sergey / Awilum <awilum@msn.com>
* @copyright 2012-2013 Romanenko Sergey / Awilum <awilum@msn.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class MinifyHTML
{
/**
* Minify html
*
* <code>
* echo MinifyHTML::process($html);
* </code>
*
* @param string $buffer html
* @return string
*/
public static function process($html)
{
// Remove HTML comments (not containing IE conditional comments).
$html = preg_replace_callback('/<!--([\\s\\S]*?)-->/', 'self::_comments', $html);
// Trim each line.
$html = preg_replace('/^\\s+|\\s+$/m', '', $html);
// Return HTML
return $html;
}
protected static function _comments($m)
{
return (0 === strpos($m[1], '[') || false !== strpos($m[1], '<![')) ? $m[0] : '';
}
}

50
libraries/Gelato/Minify/MinifyJS.php Normal file
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@@ -0,0 +1,50 @@
<?php
/**
* Gelato Library
*
* This source file is part of the Gelato Library. More information,
* documentation and tutorials can be found at http://gelato.monstra.org
*
* @package Gelato
*
* @author Romanenko Sergey / Awilum <awilum@msn.com>
* @copyright 2012-2013 Romanenko Sergey / Awilum <awilum@msn.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class MinifyJS
{
/**
* Minify js
*
* <code>
* echo MinifyJS::process($js);
* </code>
*
* @param string $buffer html
* @return string
*/
public static function process($js)
{
// newlines > linefeed
$js = str_replace(array("\r\n", "\r", "\n"), "\n", $js);
// empty lines > collapse
$js = preg_replace('/^[ \t]*|[ \t]*$/m', '', $js);
$js = preg_replace('/\n+/m', "\n", $js);
$js = trim($js);
// redundant whitespace > remove
$js = preg_replace('/(?<=[{}\[\]\(\)=><&\|;:,\?!\+-])[ \t]*|[ \t]*(?=[{}\[\]\(\)=><&\|;:,\?!\+-])/i', '', $js);
$js = preg_replace('/[ \t]+/', ' ', $js);
// redundant semicolons (followed by another semicolon or closing curly bracket) > remove
$js = preg_replace('/;\s*(?=[;}])/s', '', $js);
// Return JS
return $js;
}
}