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path: root/lib/less.php/Tree/Attribute.php
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<?php

/**
 * Attribute
 *
 * @package Less
 * @subpackage tree
 */
class Less_Tree_Attribute extends Less_Tree{

	public $key;
	public $op;
	public $value;
	public $type = 'Attribute';

    public function __construct($key, $op, $value){
		$this->key = $key;
		$this->op = $op;
		$this->value = $value;
	}

    public function compile($env){

		$key_obj = is_object($this->key);
		$val_obj = is_object($this->value);

		if( !$key_obj && !$val_obj ){
			return $this;
		}

		return new Less_Tree_Attribute(
			$key_obj ? $this->key->compile($env) : $this->key ,
			$this->op,
			$val_obj ? $this->value->compile($env) : $this->value);
	}

    /**
     * @see Less_Tree::genCSS
     */
    public function genCSS( $output ){
		$output->add( $this->toCSS() );
	}

    public function toCSS(){
		$value = $this->key;

		if( $this->op ){
			$value .= $this->op;
			$value .= (is_object($this->value) ? $this->value->toCSS() : $this->value);
		}

		return '[' . $value . ']';
	}
}