// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;

namespace Microsoft.AspNet.Mvc.Razor
{
    public class AttributeValue
    {
        public AttributeValue(PositionTagged<string> prefix, PositionTagged<object> value, bool literal)
        {
            Prefix = prefix;
            Value = value;
            Literal = literal;
        }

        public PositionTagged<string> Prefix { get; private set; }

        public PositionTagged<object> Value { get; private set; }

        public bool Literal { get; private set; }

        public static AttributeValue FromTuple(Tuple<Tuple<string, int>, Tuple<object, int>, bool> value)
        {
            return new AttributeValue(value.Item1, value.Item2, value.Item3);
        }

        public static AttributeValue FromTuple(Tuple<Tuple<string, int>, Tuple<string, int>, bool> value)
        {
            return new AttributeValue(value.Item1,
                                      new PositionTagged<object>(value.Item2.Item1, value.Item2.Item2),
                                      value.Item3);
        }

        public static implicit operator AttributeValue(Tuple<Tuple<string, int>, Tuple<object, int>, bool> value)
        {
            return FromTuple(value);
        }

        public static implicit operator AttributeValue(Tuple<Tuple<string, int>, Tuple<string, int>, bool> value)
        {
            return FromTuple(value);
        }
    }
}