//
// Copyright (c) 2008-2011, Kenneth Bell
//
// 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.
//

namespace DiscUtils.Partitions
{
    using System.IO;

    [PartitionTableFactory]
    internal sealed class DefaultPartitionTableFactory : PartitionTableFactory
    {
        public override bool DetectIsPartitioned(Stream s)
        {
            return BiosPartitionTable.IsValid(s);
        }

        public override PartitionTable DetectPartitionTable(VirtualDisk disk)
        {
            if (BiosPartitionTable.IsValid(disk.Content))
            {
                BiosPartitionTable table = new BiosPartitionTable(disk);
                if (table.Count == 1 && table[0].BiosType == BiosPartitionTypes.GptProtective)
                {
                    return new GuidPartitionTable(disk);
                }
                else
                {
                    return table;
                }
            }
            else
            {
                return null;
            }
        }
    }
}
