/**
* @return Preset
*/
public static function getFromFile($lessFile, $urlroot)
{
$o = new static();
$o->file = $lessFile;
$o->urlroot = $urlroot;
$o->filename = basename($lessFile);
$o->handle = substr($o->filename, 0, strrpos($o->filename, '.'));
$l = new Less_Parser();
$parser = $l->parseFile($lessFile, false, true);
$rules = $parser->rules;
foreach ($rules as $rule) {
switch (isset($rule->name) ? $rule->name : '') {
case static::PRESET_RULE_NAME:
$o->name = $rule->value->value[0]->value[0]->value;
break;
case static::PRESET_RULE_ICON:
$method = $rule->value->value[0]->value[0];
if ($method instanceof Less_Tree_Call) {
// extract the name and arguments from the method
$color = TreeCallColor::fromTreeCall($method);
if ($color->getName() == static::PRESET_RULE_ICON_FUNCTION) {
$args = $color->getArguments();
$cv1 = ColorStyle::parse($args[0]->value[0]);
$cv2 = ColorStyle::parse($args[1]->value[0]);
$cv3 = ColorStyle::parse($args[2]->value[0]);
$o->color1 = $cv1;
$o->color2 = $cv2;
$o->color3 = $cv3;
}
}
break;
}
}
return $o;
}
public static function parse($value, $variable = false)
{
if ($value instanceof Less_Tree_Color) {
if ($value->isTransparentKeyword) {
return false;
}
$cv = new ColorValue($variable);
$cv->setRed($value->rgb[0]);
$cv->setGreen($value->rgb[1]);
$cv->setBlue($value->rgb[2]);
} elseif ($value instanceof Less_Tree_Call) {
// Extract the arguments from the value
$color = TreeCallColor::fromTreeCall($value);
$args = $color->getArguments();
// might be rgb() or rgba()
$cv = new ColorValue($variable);
$cv->setRed($args[0]->value[0]->value);
$cv->setGreen($args[1]->value[0]->value);
$cv->setBlue($args[2]->value[0]->value);
if ($color->getName() == 'rgba') {
$cv->setAlpha($args[3]->value[0]->value);
}
}
return $cv;
}
