<?php

namespace DoctrineExtensions\Query\Mysql;

use Doctrine\ORM\Query\AST\Functions\FunctionNode,
    Doctrine\ORM\Query\Lexer;

class Regexp extends FunctionNode
{
    public $value = null;
    public $regexp = null;

    public function parse(\Doctrine\ORM\Query\Parser $parser)
    {
        $parser->match(Lexer::T_IDENTIFIER);
        $parser->match(Lexer::T_OPEN_PARENTHESIS);
        $this->value = $parser->StringPrimary();
        $parser->match(Lexer::T_COMMA);
        $this->regexp = $parser->StringExpression();
        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
    }

    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
    {
        return '(' . $this->value->dispatch($sqlWalker) . ' REGEXP ' . $this->regexp->dispatch($sqlWalker) . ')';
    }
}
