Source/OpenTK/Audio/AudioDeviceErrorChecker.cs

#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2009 the Open Toolkit library.
//
// 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.
//
#endregion

using System;
using System.Collections.Generic;
using System.Text;

using OpenTK.Audio.OpenAL;

namespace OpenTK.Audio
{
    struct AudioDeviceErrorChecker : IDisposable
    {
        #region Fields

        readonly IntPtr Device;
        static readonly string ErrorString = "Device {0} reported {1}.";

        #endregion

        #region Constructors

        public AudioDeviceErrorChecker(IntPtr device)
        {
            if (device == IntPtr.Zero)
                throw new AudioDeviceException();

            Device = device;
        }

        #endregion

        #region IDisposable Members

        public void Dispose()
        {
            AlcError err = Alc.GetError(Device);
            switch (err)
            {
                case AlcError.OutOfMemory:
                    throw new OutOfMemoryException(String.Format(ErrorString, Device, err));
                
                case AlcError.InvalidValue:
                    throw new AudioValueException(String.Format(ErrorString, Device, err));
                
                case AlcError.InvalidDevice:
                    throw new AudioDeviceException(String.Format(ErrorString, Device, err));
                
                case AlcError.InvalidContext:
                    throw new AudioContextException(String.Format(ErrorString, Device, err));
                
                case AlcError.NoError:
                default:
                    // everything went fine, do nothing
                    break;
            }
        }

        #endregion
    }
}

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