<?php

/**
 * Value
 *
 * @package Less
 * @subpackage tree
 */
class Less_Tree_Value extends Less_Tree {

	public $type = 'Value';
	public $value;

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

	public function accept( $visitor ) {
		$this->value = $visitor->visitArray( $this->value );
	}

	public function compile( $env ) {
		$ret = array();
		$i = 0;
		foreach ( $this->value as $i => $v ) {
			$ret[] = $v->compile( $env );
		}
		if ( $i > 0 ) {
			return new Less_Tree_Value( $ret );
		}
		return $ret[0];
	}

	/**
	 * @see Less_Tree::genCSS
	 */
	function genCSS( $output ) {
		$len = count( $this->value );
		for ( $i = 0; $i < $len; $i++ ) {
			$this->value[$i]->genCSS( $output );
			if ( $i + 1 < $len ) {
				$output->add( Less_Environment::$_outputMap[','] );
			}
		}
	}

}