Cecilapp / Cecil

     *

     * @return $this

     */

    public function setSourceDir($sourceDir = null)

    {

        if ($sourceDir === null) {

            $sourceDir = getcwd();

        }

        if (!is_dir($sourceDir)) {

            throw new \InvalidArgumentException(sprintf("'%s' is not a valid source directory.", $sourceDir));

        }

        $this->sourceDir = $sourceDir;

        return $this;

    }

    /**

     * Get source directory.

     *

     * @return $this

     */

    public function setDestinationDir($destinationDir = null)

    {

        if ($destinationDir === null) {

            $destinationDir = $this->sourceDir;

        }

        if (!is_dir($destinationDir)) {

            throw new \InvalidArgumentException(sprintf("'%s' is not a valid destination directory.", $destinationDir));

        }

        $this->destinationDir = $destinationDir;

        return $this;

    }

    /**

     * Get destination directory.