/**
* Creates the variable. Detects the type.
*
* @param string $name The name of the variable
* @param mixed $value The value of the variable
*
* @return Variable
*/
public static function create($name, $value)
{
$important = false;
// name is marked as !name
if (strpos($name, '!') === 0) {
$important = true;
$name = substr($name, 1);
}
// Color
if (Color::isNamedColor($value) || strtolower($value) === 'transparent' || strpos($value, '#') === 0) {
$value = new ColorNode(new Color($value));
} elseif (preg_match(self::RGBA_COLOR_REGEXP, $value, $matches)) {
// RGB(A) colors
$value = new ColorNode(new Color([$matches[1], $matches[2], $matches[3]], isset($matches[4]) ? $matches[4] : 1));
} elseif (preg_match(self::QUOTED_REGEXP, $value, $matches)) {
$value = new QuotedNode($matches[0], $matches[0][0] == '"' ? $matches[1] : $matches[2]);
} elseif (strpos($value, 'http://') === 0 || strpos($value, 'https://') === 0) {
$value = new AnonymousNode($value);
} elseif (preg_match(self::DIMENSION_REGEXP, $value, $matches)) {
$value = new DimensionNode($matches[1], isset($matches[2]) ? $matches[2] : null);
} else {
$value = new AnonymousNode($value);
}
return new self($name, $value, $important);
}
/**
* Convert the given node to color node
*
* @param Node $node The node
* @param null $exceptionMessage ILess\Exception\Exception message if the node could not be converted to color node
* @return ColorNode
* @throws InvalidArgumentException If the node could not be converted to color
*/
protected function getColorNode(Node $node, $exceptionMessage = null)
{
if ($node instanceof ColorNode) {
return $node;
}
// this is a keyword
if ($node instanceof KeywordNode && Color::isNamedColor($node->value)) {
$node = new ColorNode(Color::color($node->value));
} elseif ($node instanceof ToColorConvertibleInterface) {
$node = $node->toColor();
}
if (!$node instanceof ColorNode) {
throw new InvalidArgumentException($exceptionMessage ? $exceptionMessage : 'Cannot convert node to color');
}
return $node;
}
