function datauri($mimetypeNode, $filePathNode = null ) {
$filePath = ( $filePathNode ? $filePathNode->value : null );
$mimetype = $mimetypeNode->value;
$useBase64 = false;
$args = 2;
if( !$filePath ){
$filePath = $mimetype;
$args = 1;
}
$filePath = str_replace('\\','/',$filePath);
if( Less_Environment::isPathRelative($filePath) ){
if( $this->relativeUrls ){
$temp = $this->currentFileInfo['currentDirectory'];
} else {
$temp = $this->currentFileInfo['entryPath'];
}
if( !empty($temp) ){
$filePath = Less_Environment::NormPath(rtrim($temp,'/').'/'.$filePath);
}
}
// detect the mimetype if not given
if( $args < 2 ){
/* incomplete
$mime = require('mime');
mimetype = mime.lookup(path);
// use base 64 unless it's an ASCII or UTF-8 format
var charset = mime.charsets.lookup(mimetype);
useBase64 = ['US-ASCII', 'UTF-8'].indexOf(charset) < 0;
if (useBase64) mimetype += ';base64';
*/
$mimetype = Less_Mime::lookup($filePath);
$charset = Less_Mime::charsets_lookup($mimetype);
$useBase64 = !in_array($charset,array('US-ASCII', 'UTF-8'));
if ($useBase64) $mimetype .= ';base64';
}else{
$useBase64 = preg_match('/;base64$/',$mimetype);
}
if( file_exists($filePath) ){
$buf = @file_get_contents($filePath);
}else{
$buf = false;
}
// IE8 cannot handle a data-uri larger than 32KB. If this is exceeded
// and the --ieCompat flag is enabled, return a normal url() instead.
$DATA_URI_MAX_KB = 32;
$fileSizeInKB = round( strlen($buf) / 1024 );
if( $fileSizeInKB >= $DATA_URI_MAX_KB ){
$url = new Less_Tree_Url( ($filePathNode ? $filePathNode : $mimetypeNode), $this->currentFileInfo);
return $url->compile($this);
}
if( $buf ){
$buf = $useBase64 ? base64_encode($buf) : rawurlencode($buf);
$filePath = "'data:" . $mimetype . ',' . $buf . "'";
}
return new Less_Tree_Url( new Less_Tree_Anonymous($filePath) );
}
function compile($env)
{
$evald = $this->compileForImport($env);
$uri = $full_path = false;
//get path & uri
$evald_path = $evald->getPath();
if ($evald_path && $env->isPathRelative($evald_path)) {
foreach (Less_Parser::$import_dirs as $rootpath => $rooturi) {
$temp = $rootpath . $evald_path;
if (file_exists($temp)) {
$full_path = Less_Environment::NormPath($temp);
$uri = Less_Environment::NormPath(dirname($rooturi . $evald_path));
break;
}
}
}
if (!$full_path) {
$uri = $evald_path;
$full_path = $evald_path;
}
//import once
$realpath = realpath($full_path);
if (!isset($evald->options['multiple']) && $realpath && Less_Parser::FileParsed($realpath)) {
$evald->skip = true;
}
$features = $evald->features ? $evald->features->compile($env) : null;
if ($evald->skip) {
return array();
}
if ($evald->css) {
$temp = $this->compilePath($env);
return new Less_Tree_Import($this->compilePath($env), $features, $this->options, $this->index);
}
$parser = new Less_Parser($env);
$evald->root = $parser->parseFile($full_path, $uri, true);
$ruleset = new Less_Tree_Ruleset(array(), $evald->root->rules);
$ruleset->evalImports($env);
return $this->features ? new Less_Tree_Media($ruleset->rules, $this->features->value) : $ruleset->rules;
}
public function SetFileInfo( $filename, $uri_root = ''){
$this->path = pathinfo($filename, PATHINFO_DIRNAME);
$this->filename = Less_Environment::NormPath($filename);
$dirname = preg_replace('/[^\/\\\\]*$/','',$this->filename);
$currentFileInfo = array();
$currentFileInfo['currentDirectory'] = $dirname;
$currentFileInfo['filename'] = $filename;
$currentFileInfo['rootpath'] = $dirname;
$currentFileInfo['entryPath'] = $dirname;
if( empty($uri_root) ){
$currentFileInfo['uri_root'] = $uri_root;
}else{
$currentFileInfo['uri_root'] = rtrim($uri_root,'/').'/';
}
$this->env->currentFileInfo = $currentFileInfo;
self::$import_dirs = array_merge( array( $dirname => $currentFileInfo['uri_root'] ), self::$import_dirs );
}