SharpGen/Model/InteropType.cs

// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;

namespace SharpGen.Model
{
    /// <summary>
    /// Type used for template
    /// </summary>
    public sealed class InteropType : IEquatable<InteropType>
    {
        public InteropType(string typeName)
        {
            if (string.IsNullOrEmpty(typeName))
                throw new ArgumentException("Value cannot be null or empty.", nameof(typeName));
            TypeName = typeName;
        }

        public static implicit operator InteropType(CsFundamentalType type) => new(type.Name);

        public static implicit operator InteropType(string input) => new(input);

        public string TypeName { get; }

        public bool Equals(InteropType other)
        {
            if (ReferenceEquals(null, other)) return false;
            if (ReferenceEquals(this, other)) return true;
            return TypeName == other.TypeName;
        }

        public override bool Equals(object obj) =>
            ReferenceEquals(this, obj) || obj is InteropType other && Equals(other);

        public override int GetHashCode() => TypeName != null ? TypeName.GetHashCode() : 0;

        public static bool operator ==(InteropType left, InteropType right) => Equals(left, right);

        public static bool operator !=(InteropType left, InteropType right) => !Equals(left, right);
    }
}