90 lines
2.1 KiB
C#
90 lines
2.1 KiB
C#
using System;
|
|
using System.IO;
|
|
|
|
namespace SharpCifs.Util.Sharpen
|
|
{
|
|
public class RandomAccessFile
|
|
{
|
|
private FileStream _stream;
|
|
|
|
public RandomAccessFile(FilePath file, string mode) : this(file.GetPath(), mode)
|
|
{
|
|
}
|
|
|
|
public RandomAccessFile(string file, string mode)
|
|
{
|
|
if (mode.IndexOf('w') != -1)
|
|
_stream = new FileStream(file, FileMode.OpenOrCreate, FileAccess.ReadWrite);
|
|
else
|
|
_stream = new FileStream(file, FileMode.Open, FileAccess.Read);
|
|
}
|
|
|
|
public void Close()
|
|
{
|
|
//Stream.`Close` method deleted
|
|
//_stream.Close ();
|
|
_stream.Dispose();
|
|
}
|
|
|
|
public long GetFilePointer()
|
|
{
|
|
return _stream.Position;
|
|
}
|
|
|
|
public long Length()
|
|
{
|
|
return _stream.Length;
|
|
}
|
|
|
|
public int Read(byte[] buffer)
|
|
{
|
|
int r = _stream.Read(buffer, 0, buffer.Length);
|
|
return r > 0 ? r : -1;
|
|
}
|
|
|
|
public int Read(byte[] buffer, int start, int size)
|
|
{
|
|
return _stream.Read(buffer, start, size);
|
|
}
|
|
|
|
public void ReadFully(byte[] buffer, int start, int size)
|
|
{
|
|
while (size > 0)
|
|
{
|
|
int num = _stream.Read(buffer, start, size);
|
|
if (num == 0)
|
|
{
|
|
throw new EofException();
|
|
}
|
|
size -= num;
|
|
start += num;
|
|
}
|
|
}
|
|
|
|
public void Seek(long pos)
|
|
{
|
|
_stream.Position = pos;
|
|
}
|
|
|
|
public void SetLength(long len)
|
|
{
|
|
_stream.SetLength(len);
|
|
}
|
|
|
|
public void Write(int value)
|
|
{
|
|
_stream.Write(BitConverter.GetBytes(value), 0, 4);
|
|
}
|
|
|
|
public void Write(byte[] buffer)
|
|
{
|
|
_stream.Write(buffer, 0, buffer.Length);
|
|
}
|
|
|
|
public void Write(byte[] buffer, int start, int size)
|
|
{
|
|
_stream.Write(buffer, start, size);
|
|
}
|
|
}
|
|
}
|