/**
* @return \Less_Parser
*/
protected function _initCompiler()
{
if ($this->_compiler) {
return $this->_compiler;
}
$options = array('compress' => false, 'strictUnits' => false, 'strictMath' => false, 'relativeUrls' => true, 'cache_method' => false, 'sourceMap' => false, 'indentation' => ' ');
if ($this->_isDebug()) {
$options['sourceMap'] = true;
$options['sourceMapRootpath'] = $this->_options->get('root_path');
$options['sourceMapBasepath'] = $this->_options->get('root_path');
}
// Create compilier
$this->_compiler = new \Less_Parser($options);
$this->_compiler->Reset();
// Global depends
$mixins = $this->_options->get('autoload');
foreach ($mixins as $mixin) {
$this->_compiler->parseFile($mixin);
}
// Add custom vars
$this->_compiler->ModifyVars((array) $this->_options->get('global_vars', []));
// Set paths
$importPaths = (array) $this->_options->get('import_paths', []);
foreach ($importPaths as $fullPath => $relPath) {
$this->setImportPath($fullPath, $relPath);
}
// Set cutsom functions
$functions = (array) $this->_options->get('functions', [], 'arr');
foreach ($functions as $name => $function) {
$this->_compiler->registerFunction($name, $function);
}
return $this->_compiler;
}
public function compileFile($fname, $outFname = null)
{
if (!is_readable($fname)) {
throw new Exception('load error: failed to find ' . $fname);
}
$pi = pathinfo($fname);
$oldImport = $this->importDir;
$this->importDir = (array) $this->importDir;
$this->importDir[] = realpath($pi['dirname']) . '/';
$this->allParsedFiles = array();
$this->addParsedFile($fname);
$parser = new Less_Parser(array('sourceMap' => $this->sourceMap));
$parser->SetImportDirs($this->getImportDirs());
if (count($this->registeredVars)) {
$parser->ModifyVars($this->registeredVars);
}
foreach ($this->libFunctions as $name => $func) {
$parser->registerFunction($name, $func);
}
$parser->parseFile($fname);
$out = $parser->getCss();
$parsed = Less_Parser::AllParsedFiles();
foreach ($parsed as $file) {
$this->addParsedFile($file);
}
$this->importDir = $oldImport;
if ($outFname !== null) {
return file_put_contents($outFname, $out);
}
return $out;
}
/**
* Test
*/
public function testFunction()
{
echo "\nBegin Tests";
$less_file = $this->fixtures_dir . '/functions/less/f1.less';
$expected_css = file_get_contents($this->fixtures_dir . '/functions/css/f1.css');
$parser = new Less_Parser();
$parser->registerFunction('myfunc-reverse', array(__CLASS__, 'reverse'));
$parser->parseFile($less_file);
$generated_css = $parser->getCss();
$this->assertEquals($expected_css, $generated_css);
}
/**
* {@inheritDoc}
*/
public function filterLoad(AssetInterface $asset)
{
$filePath = $asset->getSourceRoot() . '/' . $asset->getSourcePath();
$parser = new \Less_Parser($this->options);
foreach ($this->customFunctions as $name => $callable) {
$parser->registerFunction($name, $callable);
}
$baseUri = $this->basePath;
if ($this->relativeUrlPaths) {
$baseUri = $baseUri . '/' . $asset->getSourcePath();
}
$parser = $parser->parseFile($filePath, $baseUri);
$parser->ModifyVars($this->lessVariables);
$asset->setContent($parser->getCss());
}