// $Id$
// 
// Copyright 2007-2008 Cisco Systems Inc.
// 
// 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.

using Etch.Msg;

namespace Etch.Support
{
    /// <summary>
    /// Validator for structvalue
    /// </summary>
    public class Validator_StructValue : TypeValidator
    {
        public static Validator_StructValue Get(XType type, int nDims)
        {
            CheckDims(nDims);          
            return new Validator_StructValue(type,nDims);
        }

       

        private Validator_StructValue(XType type, int nDims)
            : base( typeof( StructValue ), typeof( StructValue ), nDims, string.Format("StructValue[{0},{1}]",type,nDims) )
        {
            this.type = type;
        }

        private XType type;

        public XType GetXType()
        {
            return type;
        }

        public override Validator ElementValidator()
        {
            return Get(type, nDims - 1);
        }

        public override bool Validate( object value )
        {
            return
                base.Validate(value) &&
                (value.GetType() != typeof (StructValue) || type.IsAssignableFrom(((StructValue) value).GetXType));
 
        }     
    }
}