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<?php
/*
* ------------------------------------------------------------------------
* Copyright (C) 2009 - 2013 The YouTech JSC. All Rights Reserved.
* @license - GNU/GPL, http://www.gnu.org/licenses/gpl.html
* Author: The YouTech JSC
* Websites: http://www.smartaddons.com - http://www.cmsportal.net
* ------------------------------------------------------------------------
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
include_once('lessphp/lessc.inc.php');
jimport('joomla.filesystem.file');
jimport('joomla.filesystem.folder');
class YTLess extends lessc{
public static function addStylesheet($pfile){
global $app;
$doc = JFactory::getDocument();
$compileLess = $app->getTemplate(true)->params->get('compileLess', 'server');
if(strtolower($compileLess) == 'client' && JRequest::getVar('compile')!='server'){
// add rel = "stylesheet/less"
$doc->addHeadLink($pfile, 'stylesheet/less');
}else{
if( JRequest::getVar('less2css')=='all' ){
$cssfile = str_replace('/less/', '/css/', str_replace('.less', '.css', $pfile));
// For *-rtl.css
$path_ = str_replace('.less', '-rtl.less', $pfile);
if( is_file($path_) ){
$topath_ = str_replace('.css', '-rtl.css', $cssfile);
YTLess::complieToCss($path_, $topath_);
}
// For template-*.css
if(basename($pfile)=='template.less'){
YTLess::complieToCss(dirname($pfile).'/template-ie8.less', dirname($cssfile).'/template-ie8.css');
YTLess::complieToCss(dirname($pfile).'/template-ie9.less', dirname($cssfile).'/template-ie9.css');
$dircolor = scandir(dirname($pfile).'/color');
for($i=0; $i<count($dircolor); $i++){
if($dircolor[$i] =='variables_color.less') continue;
if(is_file(dirname($pfile).'/color/'.$dircolor[$i])){
$tcontent = JFile::read(JPATH_ROOT.'/'.dirname($pfile).'/color/'.$dircolor[$i]);
JFile::write(JPATH_ROOT.'/'.dirname($pfile).'/color/variables_color.less', $tcontent);
$path_ = $pfile;
$topath_ = dirname($pfile).'/template-'.$dircolor[$i];
$topath_ = str_replace('/less/', '/css/', str_replace('.less', '.css', $topath_));
YTLess::complieToCss($path_, $topath_);
}
}
}else{
YTLess::complieToCss($pfile, $cssfile);
}
}else{
$cssfile = YTLess::buidStyleSheet($pfile);
}
$doc->addStylesheet($cssfile);
}
}
public static function buidStyleSheet($pfile){
global $app;
$fileName = str_replace('/', '^', $pfile);
$cssfile = $app->getTemplate(true)->params->get('optimizeFolder', 'yt-assets').'/developing/'.$fileName;
$cssurl = str_replace('.less', '.css', $cssfile);
if (!is_file ($cssurl)|| (filemtime($cssurl) < filemtime($pfile)) ) {
YTLess::complieToCss($pfile, $cssurl);
}else{
YTLess::hasNew($pfile, $cssurl, $pfile);
}
return $cssurl;
}
public static function hasNew($pfile, $cssurl, $pthfile){
$content = JFile::read($pthfile);
$arrImport = preg_split ('#^\s*@import\s+"([^"]*)"\s*;#im', $content, -1, PREG_SPLIT_DELIM_CAPTURE);
$import = false;
foreach ($arrImport as $s) {
if ($import) {
$import = false;
$url = YTPath::cleanPath (dirname ($pthfile).'/'.$s);
//echo $url.' vs '.$cssurl.' ||||||| '.filemtime($cssurl).' vs '.filemtime($url).'<br/>';
if(is_file($cssurl) && filemtime($cssurl) < filemtime($url)){
YTLess::complieToCss($pfile, $cssurl);
return;
}
YTLess::hasNew($pfile, $cssurl, $url);
} else {
$import = true;
$s = trim ($s);
}
}
return;
}
public static function complieToCss($path, $topath){
$realpath = realpath(JPATH_ROOT.'/'.$path); //echo 'dungnv:'.$realpath.'<br/>';
// check path
if(!is_file($realpath)){
//if (!JPath::check ($realpath)){
return;
}
// Get file content
$content = JFile::read($path);
// remove comments
//$content = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $content);
// split into array, separated by the import
$arrImport = preg_split ('#^\s*@import\s+"([^"]*)"\s*;#im', $content, -1, PREG_SPLIT_DELIM_CAPTURE);
// compile chuck
$import = false;
$output = '';
foreach ($arrImport as $s) {
if ($import) {
$import = false;
// process import file
$url = YTPath::cleanPath (dirname ($path).'/'.$s);
$importcontent = JFile::read(JPATH_ROOT.'/'.$url);
$output .= "#less-file-path{content: \"$url\";}\n".$importcontent . "\n\n";
} else {
$import = true;
$s = trim ($s);
if ($s) {
$output .= "#less-file-path{content: \"$path\";}\n" . $s . "\n\n";
}
}
}
$less = new lessc;
try{
$output = $less->compile($output);
}catch(Exception $e){
echo "fatal error: ".$e->getMessage().'<br/>';
}
$arr = preg_split ('#^\s*\#less-file-path\s*{\s*[\r\n]*\s*content:\s*"([^"]*)";\s*[\r\n]*\s*}#im', $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$output = '';
$file = '';
$isfile = false;
foreach ($arr as $s) {
if ($isfile) {
$isfile = false;
$file = $s;
$relpath = $topath ? YTPath::relativePath(dirname($topath), dirname($file)) : JURI::base(true).'/'.dirname($file);
} else {
$output .= ($file ? YTPath::updateUrl ($s, $relpath) : $s) . "\n\n";
$isfile = true;
}
}
$output = str_replace("url('/", "url('", $output);
// remove the dupliate clearfix at the beggining if not bootstrap.css file
if (!preg_match ('#bootstrap.less#', $path)) {
$arr = preg_split('/[\r?\n]{2,}/', $output);
// ignore first one, it's clearfix
array_shift($arr);
$output = implode("\n", $arr);
}
if ($topath) {
$tofile = JPATH_ROOT.'/'.$topath;
if (!is_dir (dirname($tofile))) {
JFolder::create (dirname($tofile));
}
return JFile::write($tofile, $output);
}
return $output;
}
public static function compileAll ($theme = null) {
$less = new self;
// compile all css files
$files = array ();
$lesspath = 'templates/'.YT_TEMPLATENAME.'/less/';
$csspath = 'templates/'.YT_TEMPLATENAME.'/css/';
// get single files need to compile
$lessFiles = JFolder::files (JPATH_ROOT.'/'.$lesspath, '.less'); var_dump($lessFiles);
$lessContent = '';
foreach ($lessFiles as $file) {
$lessContent .= JFile::read (JPATH_ROOT.'/'.$lesspath.$file)."\n";
// get file imported in this list
}
if (preg_match_all('#^\s*@import\s+"([^"]*)"#im', $lessContent, $matches)) {
foreach ($lessFiles as $f) {
if (!in_array($f, $matches[1])) $files[] = substr($f, 0, -5);
}
}
echo '<br/>'; var_dump($files); die();
if (!$theme || $theme == 'default') {
self::buildVars('');
// compile default
foreach ($files as $file) {
$less->compileCss ($lesspath.$file.'.less', $csspath.$file.'.css');
}
}
// compile themes css
if (!$theme) {
// get themes
$themes = JFolder::folders (JPATH_ROOT.'/'.$lesspath.'/themes');
} else {
$themes = (array) ($theme);
}
foreach ($themes as $t) {
self::buildVars($t);
// compile
foreach ($files as $file) {
$less->compileCss ($lesspath.$file.'.less', $csspath.'themes/'.$t.'/'.$file.'.css');
}
}
}
}
class YTPath extends JObject{
/**
* Store current source value for updateUrl function
*/
protected static $srcurl = '';
public static function cleanPath ($path) {
$pattern = '/\w+\/\.\.\//';
while(preg_match($pattern,$path)){
$path = preg_replace($pattern, '', $path);
}
return $path;
}
public static function relativePath($path1, $path2='') {
// config params
if ($path2 == '') {
$path2 = $path1;
$path1 = getcwd();
}
// absolute path //has protocol //data protocol
if ($path2[0] === '/' || strpos($path2, '://') !== false || strpos($path2, 'data:') === 0){
return $path2;
}
//Remove starting, ending, and double / in paths
$path1 = trim($path1,'/');
$path2 = trim($path2,'/');
while (substr_count($path1, '//')) $path1 = str_replace('//', '/', $path1);
while (substr_count($path2, '//')) $path2 = str_replace('//', '/', $path2);
//create arrays
$arr1 = explode('/', $path1);
if ($arr1 == array('')) $arr1 = array();
$arr2 = explode('/', $path2);
if ($arr2 == array('')) $arr2 = array();
$size1 = count($arr1);
$size2 = count($arr2);
//now the hard part :-p
$path='';
for($i=0; $i<min($size1,$size2); $i++)
{
if ($arr1[$i] == $arr2[$i]) continue;
else $path = '../'.$path.$arr2[$i].'/';
}
if ($size1 > $size2)
for ($i = $size2; $i < $size1; $i++)
$path = '../'.$path;
else if ($size2 > $size1)
for ($i = $size1; $i < $size2; $i++)
$path .= $arr2[$i].'/';
return rtrim ($path, '/');
}
public static function updateUrl ($css, $src) {
self::$srcurl = $src;
$css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/', array('YTPath', 'replaceurl'), $css);
$css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/', array('YTPath', 'replaceurl'), $css);
return $css;
}
public static function replaceurl ($matches) {
$isImport = ($matches[0][0] === '@');
// determine URI and the quote character (if any)
if ($isImport) {
$quoteChar = $matches[1];
$uri = $matches[2];
} else {
// $matches[1] is either quoted or not
$quoteChar = ($matches[1][0] === "'" || $matches[1][0] === '"')
? $matches[1][0]
: '';
$uri = ($quoteChar === '')
? $matches[1]
: substr($matches[1], 1, strlen($matches[1]) - 2);
}
// root-relative protocol (non-data) data protocol
if ($uri[0] !== '/' && strpos($uri, '://') === false && strpos($uri, 'data:') !== 0){
$uri = self::cleanPath (self::$srcurl.'/'.$uri);
}
return $isImport
? "@import {$quoteChar}{$uri}{$quoteChar}"
: "url({$quoteChar}{$uri}{$quoteChar})";
}
}
?>