public function compile($env, $args = array())
{
$frame = new \Less\Node\Ruleset(null, array());
foreach ($this->params as $i => $param) {
if (isset($param['name']) && $param['name']) {
if ($val = isset($args[$i]) ? $args[$i] : $param['value']) {
$rule = new \Less\Node\Rule($param['name'], $val->compile($env));
array_unshift($frame->rules, $rule);
} else {
throw new \Less\Exception\CompilerException("wrong number of arguments for " . $this->name . ' (' . count($args) . ' for ' . $this->arity . ')');
}
}
}
$_arguments = array();
for ($i = 0; $i < max(count($this->params), count($args)); $i++) {
$_arguments[] = isset($args[$i]) ? $args[$i] : $this->params[$i]['value'];
}
$ex = new \Less\Node\Expression($_arguments);
array_unshift($frame->rules, new \Less\Node\Rule('@arguments', $ex->compile($env)));
// duplicate the environment, adding new frames.
$ruleSetEnv = new \Less\Environment();
$ruleSetEnv->addFrame($this);
$ruleSetEnv->addFrame($frame);
$ruleSetEnv->addFrames($this->frames);
$ruleSetEnv->addFrames($env->frames);
$ruleset = new \Less\Node\Ruleset(null, $this->rules);
return $ruleset->compile($ruleSetEnv);
}
/**
* Parse a Less string into css
*
* @param string $str The string to convert
* @param bool $returnRoot Indicates whether the return value should be a css string a root node
* @return \Less\Node\Ruleset|\Less\Parser
*/
public function parse($str, $returnRoot = false)
{
$this->pos = 0;
$this->input = preg_replace('/\\r\\n/', "\n", $str);
$root = new \Less\Node\Ruleset(false, $this->match('parsePrimary'));
$root->root = true;
if ($returnRoot) {
return $root;
} else {
$this->css .= $root->compile($this->env)->toCSS(array(), $this->env);
return $this;
}
}
