// Decompiled with JetBrains decompiler
// Type: Rei.Com.ComStreamAdapterStream
// Assembly: Rei.Com, Version=1.13.2.9255, Culture=neutral, PublicKeyToken=null
// MVID: 608BC623-FF3D-4118-BA82-AC691A688790
// Assembly location: F:\Eigene Dateien\Dropbox\portable Collection\Progs\CarotDAV\Rei.Com.dll

using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;

namespace Rei.Com
{
  public class ComStreamAdapterStream : Stream
  {
    private IStream pStream;
    private System.Runtime.InteropServices.ComTypes.STATSTG pStat;

    public ComStreamAdapterStream(IStream istream)
    {
      this.pStream = istream;
      this.pStat = new System.Runtime.InteropServices.ComTypes.STATSTG();
      this.pStream.Stat(out this.pStat, 0);
    }

    public override bool CanRead
    {
      get
      {
        return true;
      }
    }

    public override bool CanSeek
    {
      get
      {
        return true;
      }
    }

    public override bool CanWrite
    {
      get
      {
        return true;
      }
    }

    public override void Flush()
    {
      throw new NotImplementedException();
    }

    public override long Length
    {
      get
      {
        return this.pStat.cbSize;
      }
    }

    public override long Position
    {
      get
      {
        throw new NotImplementedException();
      }
      set
      {
        throw new NotImplementedException();
      }
    }

    public override int Read(byte[] buffer, int offset, int count)
    {
      IntPtr num = Marshal.AllocHGlobal(4);
      byte[] pv = new byte[checked (count - 1 + 1)];
      this.pStream.Read(pv, count, num);
      int length = Marshal.ReadInt32(num, 0);
      Array.Copy((Array) pv, 0, (Array) buffer, offset, length);
      return length;
    }

    public override long Seek(long offset, SeekOrigin origin)
    {
      IntPtr num = Marshal.AllocHGlobal(4);
      this.pStream.Seek(offset, (int) origin, num);
      return Marshal.ReadInt64(num, 0);
    }

    public override void SetLength(long value)
    {
      this.pStream.SetSize(value);
    }

    public override void Write(byte[] buffer, int offset, int count)
    {
      this.pStream.Write(buffer, count, IntPtr.Zero);
    }
  }
}