<?php



namespace DoctrineExtensions\Query\Oracle;



use Doctrine\ORM\Query\Lexer,

    Doctrine\ORM\Query\AST\Functions\FunctionNode;



/**

 * @author Cédric Bertolini <bertolini.cedric@me.com>

 */

class ToChar extends FunctionNode

{

    private $datetime;

    private $fmt;



    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)

    {

        return sprintf(

                'TO_CHAR(%s, %s)',

                $sqlWalker->walkArithmeticPrimary($this->datetime),

                $sqlWalker->walkArithmeticPrimary($this->fmt));

    }



    public function parse(\Doctrine\ORM\Query\Parser $parser)

    {

        $parser->match(Lexer::T_IDENTIFIER);

        $parser->match(Lexer::T_OPEN_PARENTHESIS);

        $this->datetime = $parser->ArithmeticExpression();

        $parser->match(Lexer::T_COMMA);

        $this->fmt = $parser->StringExpression();

        $parser->match(Lexer::T_CLOSE_PARENTHESIS);

    }

}

