<?php

/*
 * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace JMS\SecurityExtraBundle\Security\Authorization\Expression\Compiler\Func;

use JMS\SecurityExtraBundle\Exception\InvalidArgumentException;
use JMS\SecurityExtraBundle\Security\Authorization\Expression\Ast\FunctionExpression;
use JMS\SecurityExtraBundle\Security\Authorization\Expression\ExpressionCompiler;

abstract class AuthenticationTrustFunctionCompiler implements FunctionCompilerInterface
{
    public function compilePreconditions(ExpressionCompiler $compiler, FunctionExpression $function)
    {
        if (!empty($function->args)) {
            throw new InvalidArgumentException(sprintf('The '.$this->getName().'() function does not accept any arguments, but got "%s".', var_export($function->args, true)));
        }

        $compiler->verifyItem('token', 'Symfony\Component\Security\Core\Authentication\Token\TokenInterface');
    }
}