/**
* Parse a Less string from a given file
*
* @throws ILess_Exception_Parser
* @param string|ILess_ImportedFile $fil The file to parse (Will be loaded via the importers)
* @param boolean $returnRuleset Indicates whether the parsed rules should be wrapped in a ruleset.
* @return mixed If $returnRuleset is true, ILess_Parser_Core, ILess_Node_Ruleset otherwise
*/
public function parseFile($file, $returnRuleset = false)
{
// save the previous information
$previousFileInfo = $this->env->currentFileInfo;
if (!$file instanceof ILess_ImportedFile) {
$this->env->setCurrentFile($file);
if ($previousFileInfo) {
$this->env->currentFileInfo->reference = $previousFileInfo->reference;
}
// try to load it via importer
list(, $file) = $this->importer->import($file, $this->env->currentFileInfo);
$this->env->setCurrentFile($file->getPath());
} else {
$this->env->setCurrentFile($file->getPath());
if ($previousFileInfo) {
$this->env->currentFileInfo->reference = $previousFileInfo->reference;
}
}
$this->env->currentFileInfo->importedFile = $file;
$rules = $this->parse($file->getContent());
if ($previousFileInfo) {
$this->env->currentFileInfo = $previousFileInfo;
}
if ($returnRuleset) {
return new ILess_Node_Ruleset(array(), $rules);
}
$this->rules = array_merge($this->rules, $rules);
return $this;
}
/**
* Visits a import node
*
* @param ILess_Node_Import $node The node
* @param ILess_Visitor_Arguments $arguments The arguments
*/
public function visitImport(ILess_Node_Import $node, ILess_Visitor_Arguments $arguments)
{
$arguments->visitDeeper = false;
$inlineCSS = $node->getOption('inline');
if (!$node->css || $inlineCSS) {
$e = null;
try {
$compiledNode = $node->compileForImport($this->env);
} catch (ILess_Exception $e) {
$compiledNode = false;
if (!$e->getCurrentFile()) {
if ($node->currentFileInfo) {
$e->setCurrentFile($node->currentFileInfo, $node->index);
} else {
$e->setIndex($node->index);
}
}
$node->css = true;
$node->error = $e;
}
if ($compiledNode && (!$compiledNode->css || $inlineCSS)) {
$node = $compiledNode;
$env = ILess_Environment::createCopy($this->env, $this->env->frames);
if ($node->getOption('multiple')) {
$env->importMultiple = true;
}
// import the file
list($alreadyImported, $file) = $this->importer->import($node->getPath(), $node->currentFileInfo, $node->options, $node->index);
/* @var $file ILess_ImportedFile */
if ($alreadyImported && $node->currentFileInfo && $node->currentFileInfo->reference) {
$node->skip = true;
} elseif ($alreadyImported && !$env->importMultiple) {
$node->skip = true;
}
if ($root = $file->getRuleset()) {
/* @var $root ILess_Node_Ruleset */
$node->root = $root;
$node->importedFilename = $file->getPath();
if (!$inlineCSS && !$node->skip) {
$visitor = new ILess_Visitor_Import($env, $this->importer);
$visitor->visit($root);
}
}
}
}
return $node;
}
