InputStream.cs :  » Network-Clients » SharpSSH » Tamir » SharpSsh » java » io » C# / CSharp Open Source

using System;
using IOSystem.IO;

namespace Tamir.SharpSsh.java.io{
  /// <summary>
  /// Summary description for InputStream.
  /// </summary>
  public abstract class InputStream : IO.Stream
  {
    public virtual int read(byte[] buffer, int offset, int count)
    {
      return this.Read(buffer, offset, count);
    }

    public virtual int read(byte[] buffer)
    {
      return this.Read(buffer, 0, buffer.Length);
    }
    
    public virtual int read()
    {
      return this.ReadByte();
    }

    public virtual void close()
    {
      Close();
    }

    public override void WriteByte(byte value)
    {
    }

    public override void Write(byte[] buffer, int offset, int count)
    {
    }

    public override bool CanRead
    {
      get
      {
        return true;
      }
    }
    public override bool CanWrite
    {
      get
      {
        return false;
      }
    }
    public override bool CanSeek
    {
      get
      {
        return false;
      }
    }
    public override void Flush()
    {
      
    }
    public override long Length
    {
      get
      {
        return 0;
      }
    }
    public override long Position
    {
      get
      {
        return 0;
      }
      set
      {
      }
    }
    public override void SetLength(long value)
    {      
    }
    public override long Seek(long offset, IO.SeekOrigin origin)
    {
      return 0;
    }

    public long skip(long len)
    {
      //Seek doesn't work
      //return Seek(offset, IO.SeekOrigin.Current);
      int i=0;
      int count = 0;
      byte[] buf = new byte[len];
      while(len>0)
      {
        i=Read(buf, count, (int)len);//tamir: possible lost of pressision
        if(i<=0)
        {
          throw new Exception("inputstream is closed");
          //return (s-foo)==0 ? i : s-foo;
        }
        count+=i;
        len-=i;
      }
      return count;
    }
  }
}