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File: Output.php

<?php

/**
 * Parser output
 *
 * @package Less
 * @subpackage output
 */
class Less_Output {

	/**
	 * Output holder
	 *
	 * @var string
	 */
	protected $strs = array();

	/**
	 * Adds a chunk to the stack
	 *
	 * @param string $chunk The chunk to output
	 * @param Less_FileInfo $fileInfo The file information
	 * @param integer $index The index
	 * @param mixed $mapLines
	 */
	public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) {
		$this->strs[] = $chunk;
	}

	/**
	 * Is the output empty?
	 *
	 * @return boolean
	 */
	public function isEmpty() {
		return count( $this->strs ) === 0;
	}

	/**
	 * Converts the output to string
	 *
	 * @return string
	 */
	public function toString() {
		return implode( '', $this->strs );
	}

}