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Remove obsolete build instructions and minify tool

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Kijin Sung 2016-01-11 17:51:36 +09:00
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tools/README.md
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# Tools
## Build
XE패키징을 위해 grunt.js를 이용한 Task로 작성되어 있으며 *nix 환경에서 Node를 구동할 수 있어야 한다.
### 의존 패키지 설치 (Mac)
### 1. brew
http://brew.sh 페이지의 'Install Homebrew'를 참고하여 설치
### 2. node.js
> brew install node
### 3. grunt-cli
> npm install -g grunt-cli
## node 모듈 설치
grunt task 수행에 필요한 node 모듈의 설치를 먼저 수행한다.
XE 패키지의 루트… index.php 또는 Gruntfile.js 파일이 있는 곳에서 다음 명령으로 의존 모듈이 자동 설치된다.
> npm install
## Build
build 수행 전 Minified 파일이 갱신되도록 패키징 하려는 브랜치에서 아래 Task 중 `grunt minify`를 반드시 먼저 수행하도록 한다.
build 명령으로 zip, tgz 포맷으로 패키징을 수행하며 지정한 대상의 변경된 파일만을 묶은 changed 파일을 함께 생성한다.
> grunt build`:from`:`to`
`from`, `to`에는 commit hash 또는 tag, branch를 지정할 수 있다. 패키지는 `to`에 지정한 대상을 기준으로하며 `from`과 `to`사이에 변경된 파일들 changed 파일을 별도로 생성한다.
> grunt build:`old_tag`:`current_tag`
이와 같이 지정하면 `old_tag`로부터 `current_tag` 사이의 변경된 파일만을 묶은 `xe.current_tag.changed.*` 파일과 `xe.current_tag.*`파일을 생성한다.
`from`을 생략하여 `build:master`(master는 branch이다)와 같이 지정하면 `master`의 최신 상태로 빌드하며 changed 파일을 생성하지 않는다.
### Build 수행 시 포함하는 패키지
Build 수행 시 일부 확장 기능을 가져와 함게 패키징한다. 지정한 각 저장소의 master 브랜치로부터 코드를 가져오므로 **Build 수행 전에 각 저장소의 master 상태를 확인하도록 한다.**
* board 모듈
* https://github.com/xpressengine/xe-module-board
* krzip 모듈
* https://github.com/xpressengine/xe-module-krzip
* syndication 모듈
* https://github.com/xpressengine/xe-module-syndication
## Task
.js, .css, .php 파일들에 대해 문법 검사 및 권장 코드를 확인할 수 있으며 minify 등의 작업을 수행할 수 있다.
### Lint
.js, .css, .php 파일에 대해 문법 검사 등을 수행한다.
> grunt lint
다음과 같이 선택적으로 수행할 수 있다.
#### JS Lint (jshint)
`lint`가 아닌 `hint`임에 주의.
> grunt jshint
#### CSS Lint
> grunt csslint
### Minify
.js, .css 파일의 공백을 지우는 등 minify 동작을 수행할 수 있으며 대상은 Gruntfile.js 파일에 정의되어 있다.
> grunt minify

729
tools/minify/cssmin/CSSmin.php
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<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
/*!
* cssmin.php rev 91c5ea5
* Author: Tubal Martin - http://blog.margenn.com/
* Repo: https://github.com/tubalmartin/YUI-CSS-compressor-PHP-port
*
* This is a PHP port of the Javascript port of the CSS minification tool
* distributed with YUICompressor, itself a port of the cssmin utility by
* Isaac Schlueter - http://foohack.com/
* Permission is hereby granted to use the PHP version under the same
* conditions as the YUICompressor.
*/
/*!
* YUI Compressor
* http://developer.yahoo.com/yui/compressor/
* Author: Julien Lecomte - http://www.julienlecomte.net/
* Copyright (c) 2011 Yahoo! Inc. All rights reserved.
* The copyrights embodied in the content of this file are licensed
* by Yahoo! Inc. under the BSD (revised) open source license.
*/
class CSSmin
{
const NL = '___YUICSSMIN_PRESERVED_NL___';
const TOKEN = '___YUICSSMIN_PRESERVED_TOKEN_';
const COMMENT = '___YUICSSMIN_PRESERVE_CANDIDATE_COMMENT_';
const CLASSCOLON = '___YUICSSMIN_PSEUDOCLASSCOLON___';
private $comments;
private $preserved_tokens;
private $memory_limit;
private $max_execution_time;
private $pcre_backtrack_limit;
private $pcre_recursion_limit;
private $raise_php_limits;
/**
* @param bool|int $raise_php_limits
* If true, PHP settings will be raised if needed
*/
public function __construct($raise_php_limits = TRUE)
{
// Set suggested PHP limits
$this->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 = $matches[0];
}
// 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*/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('/((?<!\\\\)\:|\s)\+(\.?\d+)/S', '$1$2', $css);
// Remove leading zeros from integer and float numbers preceded by : or a white-space
// 000.6 to .6, -0.8 to -.8, 0050 to 50, -01.05 to -1.05
$css = preg_replace('/((?<!\\\\)\:|\s)(\-?)0+(\.?\d+)/S', '$1$2$3', $css);
// Remove trailing zeros from float numbers preceded by : or a white-space
// -6.0100em to -6.01em, .0100 to .01, 1.200px to 1.2px
$css = preg_replace('/((?<!\\\\)\:|\s)(\-?)(\d?\.\d+?)0+([^\d])/S', '$1$2$3$4', $css);
// Remove trailing .0 -> -9.0 to -9
$css = preg_replace('/((?<!\\\\)\:|\s)(\-?\d+)\.0([^\d])/S', '$1$2$3', $css);
// Replace 0 length numbers with 0
$css = preg_replace('/((?<!\\\\)\:|\s)\-?\.?0+([^\d])/S', '${1}0$2', $css);
// Remove the spaces before the things that should not have spaces before them.
// But, be careful not to turn "p :link {...}" into "p:link{...}"
// Swap out any pseudo-class colons with the token, and then swap back.
$css = preg_replace_callback('/(?:^|\})(?:(?:[^\{\:])+\:)+(?:[^\{]*\{)/', array($this, 'replace_colon'), $css);
$css = preg_replace('/\s+([\!\{\}\;\:\>\+\(\)\]\~\=,])/', '$1', $css);
$css = preg_replace('/' . self::CLASSCOLON . '/', ':', $css);
// retain space for special IE6 cases
$css = preg_replace('/\:first\-(line|letter)(\{|,)/i', ':first-$1 $2', $css);
// no space after the end of a preserved comment
$css = preg_replace('/\*\/ /', '*/', $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.
$css = preg_replace('/((?<!\\\\)\:|\s)\-?0(?:em|ex|ch|rem|vw|vh|vm|vmin|cm|mm|in|px|pt|pc|%)/iS', '${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)(;|\})/ie', "strtolower('$1 0 0$2')", $css);
// Replace background-position:0; with background-position:0 0;
// same for transform-origin
$css = preg_replace('/(background\-position|(?:webkit|moz|o|ms|)\-?transform\-origin)\:0(;|\})/ieS', "strtolower('$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(;|\})/ieS', "strtolower('$1:0$2')", $css);
// shorter opacity IE filter
$css = preg_replace('/progid\:DXImageTransform\.Microsoft\.Alpha\(Opacity\=/i', 'alpha(opacity=', $css);
// Remove empty rules.
$css = preg_replace('/[^\};\{\/]+\{\}/S', '', $css);
// Some source control tools don't like it when files containing lines longer
// than, say 8000 characters, are checked in. The linebreak option is used in
// that case to split long lines after a specific column.
if ($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", $css);
// restore preserved comments and strings
for ($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[] = $this->substring($css, $append_index, $index);
if ($found_terminator) {
$token = $this->substring($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[] = $this->substring($css, $index, $last_index);
$append_index = $last_index;
}
$offset = $last_index;
}
$sb[] = $this->substring($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
$short_safe = array(
'#808080' => 'gray',
'#008000' => 'green',
'#800000' => 'maroon',
'#000080' => 'navy',
'#808000' => 'olive',
'#800080' => 'purple',
'#c0c0c0' => 'silver',
'#008080' => 'teal',
'#f00' => 'red'
);
while (preg_match($pattern, $css, $m, 0, $offset)) {
$index = $this->index_of($css, $m[0], $offset);
$last_index = $index + strlen($m[0]);
$is_filter = (bool) $m[1];
$sb[] = $this->substring($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[] = $this->substring($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[] = preg_replace('/\s?([\*\/\(\),])\s?/', '$1', $matches[0]);
return self::TOKEN . (count($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, $matches[2]));
}
/* HELPERS
* ---------------------------------------------------------------------------------------------
*/
private function hue_to_rgb($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 "substring" function
* Author: Tubal Martin http://blog.margenn.com
* Tests: http://margenn.com/tubal/substring/
*
* @param string $str
* @param int $from index
* @param int|bool $to index (optional)
* @return string
*/
private function substring($str, $from = 0, $to = FALSE)
{
if ($to !== FALSE) {
if ($from == $to || ($from <= 0 && $to < 0)) {
return '';
}
if ($from > $to) {
$from_copy = $from;
$from = $to;
$to = $from_copy;
}
}
if ($from < 0) {
$from = 0;
}
$substring = ($to === FALSE) ? substr($str, $from) : substr($str, $from, $to - $from);
return ($substring === FALSE) ? '' : $substring;
}
/**
* 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;
}
}

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@ -1,62 +0,0 @@
================================================================================
JSMin+
================================================================================
A javascript minification tool written in PHP
by Tweakers.net / Tino Zijdel <crisp@tweakers.net>
Weblog: http://crisp.tweakblogs.net/blog/cat/716
License: MPL 1.1/GPL 2.0/LGPL 2.1 (see sourcecode)
================================================================================
VERSION HISTORY
================================================================================
17-05-2009 - version 1.3
- Fixed loop-constructs and if with empty body
- Fixed hook:colon precedence issues (https://bugzilla.mozilla.org/show_bug.cgi?id=492445)
- Combine concats of strings with same quotestyle
- Combine var-statements
--------------------------------------------------------------------------------
18-04-2009 - version 1.2
- Fixed crash in PHP 5.2.9 when matching large comments or strings
(due to PCRE backtracking bug)
- Don't add curly braces around statements for a CASE label
- Always put statements for IF between curly braces when followed by an ELSE
- Save some more bytes by omitting the space between RETURN and the return
expression in certain cases
--------------------------------------------------------------------------------
12-04-2009 - version 1.1
- Improved tokenizer performance by reading smaller chunks for matching
- Bugfix: jumplabels for break/continue statements were not written to output
- Improved stringmatching: cases like '\' and '<newline>' now throw unterminated
string literal error
- Fixed linenumber offset bug caused by JScript conditional compilation blocks
- nest() always calls Statement() so no need to use call_user_func() with a parm
--------------------------------------------------------------------------------
09-04-2009 - version 1.0
Initial version
================================================================================
KNOWN ISSUES
================================================================================
- JScript conditional compilation support is incomplete
================================================================================
DOWNLOAD LOCATION
================================================================================
Latest version:
version 1.3 : http://files.tweakers.net/jsminplus/jsminplus.zip
Previous versions:
version 1.2 : http://files.tweakers.net/jsminplus/jsminplus-1.2.zip
version 1.1 : http://files.tweakers.net/jsminplus/jsminplus-1.1.zip
version 1.0 : http://files.tweakers.net/jsminplus/jsminplus-1.0.zip

1981
tools/minify/jsminplus/jsminplus.php
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200
tools/minify/minify.php
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<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
/**
* Minify
* This script comnbines multiple JavaScript or CSS files with minifying.
* PHP 5.3.0 or above version is required.
*
* Usage : php minify.php [TARGET_DIR ...]
* TARGET_DIR use the current working directory as a default path.
*
* @author NAVER(developer@xpressengine.com)
*/
if(version_compare(PHP_VERSION, '5.3.0', '<')) {
echo "PHP 5.3.0 or above version is required.";
exit(1);
}
function main() {
$argv = $_SERVER['argv'];
$argc = $_SERVER['argc'];
// get target directories
if($argc < 1) exit;
elseif($argc < 2) $dirs = array($_SERVER['PWD']);
else $dirs = array_slice($argv, 1);
$dirs = array_map('realpath', $dirs);
$dirs = array_map('add_dirsep', $dirs);
array_walk($dirs, 'execute');
}
// add directory separator
function add_dirsep($path) {
if(substr($path,-1) != DIRECTORY_SEPARATOR) $path .= DIRECTORY_SEPARATOR;
return $path;
}
function execute($dir) {
echo "Processing : {$dir}\n";
// parse config file if it exists
echo " Finding predefined configuration file...";
$config = read_config($dir);
echo " Done\n";
// merge
foreach($config['merge'] as $target=>$files) {
merge($files, $target, $dir);
}
// files to skip
$files_to_skip = $config['skip'];
foreach($files_to_skip as $idx=>$file) {
if($file) $files_to_skip[$idx] = realpath($dir.trim($file));
}
echo " Minifying JavaScript files...";
$js_files = get_target_files('js', $dir, $files_to_skip);
if(count($js_files) && !class_exists('JSMinPlus')) {
require dirname(__FILE__).'/jsminplus/jsminplus.php';
}
foreach($js_files as $file) {
if(!is_readable($file)) continue;
$target = preg_replace('@\.js$@', '.min.js', $file);
$content = file_get_contents($file);
// save copyright to preserve it
if(preg_match('@^[ \t]*(/\*\*.+?\*/)@s', $content, $matches)) {
$copyright = $matches[1]."\n";
} else {
$copyright = '';
}
if($config['use_closure_compiler']) {
$content = closure_compile($content);
if(!$content) {
echo " CANNOT compile the js file with closure compiler.\n";
echo " Trying again with JSMinPlus.\n";
$content = JSMinPlus::minify($content);
}
} else {
$content = JSMinPlus::minify($content);
}
file_put_contents($target, $copyright.$content, LOCK_EX);
echo '.';
}
echo " Done\n";
echo " Minifying CSS files...";
$css_files = get_target_files('css', $dir, $files_to_skip);
if(count($css_files) && !class_exists('CSSmin')) {
require dirname(__FILE__).'/cssmin/CSSmin.php';
}
$oCSSmin = new CSSmin();
foreach($css_files as $file) {
if(!is_readable($file)) continue;
$target = preg_replace('@\.css$@', '.min.css', $file);
$content = file_get_contents($file);
file_put_contents($target, $copyright.$oCSSmin->run($content), LOCK_EX);
echo '.';
}
echo " Done\n";
}
function read_config($dir) {
$default = array('option'=>array(), 'skip'=>array(), 'merge'=>array());
$file = $dir.'minify.ini';
if(!is_readable($file)) return $default;
$config_str = file_get_contents($file);
$config_str = preg_replace_callback('/(\[(?:skip|merge *>> *.+?)\])([\s\S]+?)(?=\[|$)/', 'transform_config_str', $config_str);
$config = parse_ini_string($config_str, 1);
if($config === false) return $default;
if(is_array($config['skip'])) $config['skip'] = array_keys($config['skip']);
foreach($config as $section=>$value) {
if(preg_match('/merge *>> *(.+)/', $section, $match)) {
if(!is_array($config['merge'])) $config['merge'] = array();
$config['merge'][trim($match[1])] = array_keys($value);
unset($config[$section]);
}
}
if(is_array($config['option'])) $config = array_merge($config['option'], $config);
$config = array_merge($default, $config);
return $config;
}
function transform_config_str($matches) {
if(!$matches[2]) return $matches[0];
$values = preg_replace('/$/m', '=', trim($matches[2]));
return "{$matches[1]}\n{$values}\n\n";
}
function merge($files, $target, $base_dir) {
if(!is_array($files)) return false;
$body = '';
$is_css = !!preg_match('/\.css$/', $target);
foreach($files as $file) {
$file = $base_dir.trim($file);
if(!is_readable($file)) continue;
$content = trim(file_get_contents($file));
if($is_css && $body) $content = preg_replace('/^@.+?;/m', '', $content);
if($content) $body .= $content."\n";
}
if ($body) {
$file_count = count($files);
echo " Merging {$file_count} files to create {$target} file...";
file_put_contents($base_dir.$target, $body, LOCK_EX);
echo " Done\n";
}
}
function get_target_files($ext, $dir, $files_to_skip) {
$files = glob("{$dir}*.{$ext}");
$skips = glob("{$dir}*.min.{$ext}");
$skips = array_merge($skips, $files_to_skip);
$files = array_diff($files, $skips);
return $files;
}
function closure_compile($content) {
require_once dirname(__FILE__).'/../../classes/httprequest/XEHttpRequest.class.php';
$req = new XEHttpRequest('closure-compiler.appspot.com', 80);
$ret = $req->send('/compile', 'POST', 5, array(
'output_info' => 'compiled_code',
'output_format' => 'text',
'compilation_level' => 'SIMPLE_OPTIMIZATIONS',
'js_code' => $content
));
return $ret->body;
}
// run main function
error_reporting(E_ALL & ~E_NOTICE);
main();