/**
* Adds a chunk to the stack
*
* @param string $chunk
* @param string $fileInfo
* @param integer $index
* @param mixed $mapLines
* @return ILess_Output
*/
public function add($chunk, ILess_FileInfo $fileInfo = null, $index = 0, $mapLines = null)
{
// nothing to do
if ($chunk == '') {
return $this;
}
$lines = explode("\n", $chunk);
$columns = end($lines);
if ($fileInfo) {
$inputSource = substr($this->contentsMap[$fileInfo->importedFile->getPath()], 0, $index);
$sourceLines = explode("\n", $inputSource);
$sourceColumns = end($sourceLines);
$sourceLinesCount = count($sourceLines);
$sourceColumnsLength = strlen($sourceColumns);
if (!$mapLines) {
$this->generator->addMapping($this->lineNumber + 1, $this->column, $sourceLinesCount, $sourceColumnsLength, $fileInfo->filename);
} else {
for ($i = 0, $count = count($lines); $i < $count; $i++) {
$this->generator->addMapping($this->lineNumber + $i + 1, $i === 0 ? $this->column : 0, $sourceLinesCount + $i, $i === 0 ? $sourceColumnsLength : 0, $fileInfo->filename);
}
}
}
if (count($lines) === 1) {
$this->column += strlen($columns);
} else {
$this->lineNumber += count($lines) - 1;
$this->column = strlen($columns);
}
// add only chunk
return parent::add($chunk);
}
/**
* Converts the ruleset to CSS
*
* @param ILess_Node_Ruleset $ruleset
* @param array $variables
* @return string The generated CSS code
*/
protected function toCSS(ILess_Node_Ruleset $ruleset, array $variables)
{
$this->setupMathAndLocale();
$this->prepareVariables($this->env, $variables);
// precompilation visitors
foreach ($this->getPreCompileVisitors() as $visitor) {
$visitor->run($ruleset);
}
// compile the ruleset
$compiled = $ruleset->compile($this->env);
// post compilation visitors
foreach ($this->getPostCompileVisitors() as $visitor) {
$visitor->run($compiled);
}
if ($this->getEnvironment()->sourceMap) {
$generator = new ILess_SourceMap_Generator($compiled, $this->env->getContentsMap(), $this->env->sourceMapOptions);
// will also save file
// FIXME: should happen somewhere else?
$css = $generator->generateCSS($this->env);
} else {
$css = $compiled->toCSS($this->env);
}
if ($this->env->compress) {
$css = preg_replace('/(^(\\s)+)|((\\s)+$)/', '', $css);
}
$this->restoreMathAndLocale();
return $css;
}
public function generateJson()
{
return parent::generateJson();
}
