/**
* @param string $path file path of less file to compile
* @param string $topath file path of output css file
* @return bool|mixed compile result or the css compiled content
*/
public static function compileCss($path, $topath = '', $split = false, $list = null)
{
$fromdir = dirname($path);
$app = JFactory::getApplication();
$is_rtl = $app->getUserState('current_direction') == 'rtl';
if (empty($list)) {
$list = self::parse($path);
}
if (empty($list)) {
return false;
}
// join $list
$content = '';
$importdirs = array();
$todir = $topath ? dirname($topath) : $fromdir;
if (!is_dir(JPATH_ROOT . '/' . $todir)) {
JFolder::create(JPATH_ROOT . '/' . $todir);
}
$importdirs[JPATH_ROOT . '/' . $fromdir] = self::relativePath($todir, $fromdir);
foreach ($list as $f => $import) {
if ($import) {
$importdirs[JPATH_ROOT . '/' . dirname($f)] = self::relativePath($todir, dirname($f));
$content .= "\n#" . self::$kfilepath . "{content: \"{$f}\";}\n";
// $content .= "@import \"$import\";\n\n";
if (is_file(JPATH_ROOT . '/' . $f)) {
$less_content = file_get_contents(JPATH_ROOT . '/' . $f);
// remove vars/mixins for template & canvas less
if (preg_match('@' . preg_quote(CANVAS_TEMPLATE_REL, '@') . '/less/@i', $f) || preg_match('@' . preg_quote(CANVAS_REL, '@') . '/less/@i', $f)) {
$less_content = preg_replace(self::$rimportvars, '', $less_content);
}
self::$_path = CANVASPath::relativePath($fromdir, dirname($f)) . '/';
$less_content = preg_replace_callback(self::$rimport, array('CANVASLess', 'cb_import_path'), $less_content);
$content .= $less_content;
}
} else {
$content .= "\n#" . self::$kfilepath . "{content: \"{$path}\";}\n";
$content .= $f . "\n\n";
}
}
// get vars
$vars_files = explode('|', self::getVars('urls'));
// build source
$source = '';
// build import vars
foreach ($vars_files as $var) {
$vars_path = CANVASPath::relativePath($fromdir, dirname($var));
if ($vars_path) {
$vars_path .= "/";
}
$var_file = $vars_path . basename($var);
$source .= "@import \"" . $var_file . "\";\n";
}
// less content
$source .= "\n#" . self::$kvarsep . "{content: \"separator\";}\n" . $content;
// call Less to compile
$output = CANVASLessCompiler::compile($source, $path, $todir, $importdirs);
// process content
//use cssjanus to transform the content
if ($is_rtl) {
$output = preg_split(self::$rsplitbegin . self::$krtlsep . self::$rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$rtlcontent = isset($output[2]) ? $output[2] : false;
$output = $output[0];
CANVAS::import('jacssjanus/ja.cssjanus');
$output = JACSSJanus::transform($output, true);
// join with rtl content
if ($rtlcontent) {
$output = $output . "\n" . $rtlcontent;
}
}
// skip duplicate clearfix
$arr = preg_split(self::$rsplitbegin . self::$kvarsep . self::$rsplitend, $output, 2);
if (preg_match('/bootstrap.less/', $path)) {
$output = implode("\n", $arr);
} else {
$output = count($arr) > 1 ? $arr[1] : $arr[0];
}
//remove comments and clean up
$output = preg_replace(self::$rcomment, '', $output);
$output = preg_replace(self::$rspace, "\n\n", $output);
// split if needed
if ($split) {
//update path and store to files
$split_contents = preg_split(self::$rsplitbegin . self::$kfilepath . self::$rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$file_contents = array();
$file = $path;
$isfile = false;
foreach ($split_contents as $chunk) {
if ($isfile) {
$isfile = false;
$file = $chunk;
} else {
$file_contents[$file] = (isset($file_contents[$file]) ? $file_contents[$file] : '') . "\n" . $chunk . "\n\n";
$isfile = true;
}
}
if (!empty($file_contents)) {
//output the file to content and add to document
foreach ($file_contents as $file => $content) {
$content = trim($content);
$filename = str_replace('/', '.', $file) . '.css';
JFile::write(JPATH_ROOT . '/' . $todir . '/' . $filename, $content);
}
}
} else {
$output = preg_replace(self::$rsplitbegin . self::$kfilepath . self::$rsplitend, '', $output);
$output = trim($output);
if ($topath) {
JFile::write(JPATH_ROOT . '/' . $topath, $output);
} else {
return $output;
}
}
// write to path
return true;
}
