// UncompressedFileHandler.cs
// Copyright (C) 2001 Mike Krueger
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// As a special exception, if you link this library with other files to
// produce an executable, this library does not by itself cause the
// resulting executable to be covered by the GNU General Public License.
// This exception does not however invalidate any other reasons why the
// executable file might be covered by the GNU General Public License.
using System;
using System.IO;
using System.Text;
namespace CVS.FileHandler{
/// <summary>
/// Implements the uncompressed file handler
/// </summary>
public class UncompressedFileHandler : IFileHandler
{
public virtual void SendTextFile(CvsStream outStream, string fileName)
{
// convert operating system linefeeds (\r\n) to UNIX style
// linefeeds (\n)
string tmpFileName = Path.GetTempFileName();
FileStream tmpFile = File.Create(tmpFileName);
StreamReader fs = File.OpenText(fileName);
while (true) {
string line = fs.ReadLine();
if (line == null) {
break;
}
byte[] buf = new byte[line.Length];
Encoding.ASCII.GetBytes(line.ToCharArray(), 0, line.Length, buf, 0);
tmpFile.Write(buf, 0, buf.Length);
tmpFile.WriteByte((byte)'\n');
}
tmpFile.Close();
fs.Close();
// send converted file like a binary file
SendBinaryFile(outStream, tmpFileName);
// delete temp file
File.Delete(tmpFileName);
}
public virtual void ReceiveTextFile(CvsStream inputStream, string fileName, int length)
{
byte[] buffer = new byte[length];
inputStream.ReadBlock(buffer, length);
// write to a temp file
string tmpFileName = Path.GetTempFileName();
FileStream tmpFile = File.Create(tmpFileName);
tmpFile.Write(buffer, 0, length);
tmpFile.Close();
StreamReader tmpTxtFile = File.OpenText(tmpFileName);
StreamWriter fs = File.CreateText(fileName);
while (true) {
string line = tmpTxtFile.ReadLine();
if (line == null) {
break;
}
fs.WriteLine(line);
}
tmpTxtFile.Close();
fs.Close();
// delete temp file
File.Delete(tmpFileName);
}
public virtual void SendBinaryFile(CvsStream outStream, string fileName)
{
FileStream fs = File.OpenRead(fileName);
byte[] data = new byte[fs.Length];
fs.Read(data, 0, data.Length);
fs.Close();
outStream.SendString(data.Length.ToString() + "\n");
outStream.Write(data);
}
public virtual void ReceiveBinaryFile(CvsStream inputStream, string fileName, int length)
{
byte[] buffer = new byte[length];
inputStream.ReadBlock(buffer, length);
FileStream fs = System.IO.File.Create(fileName);
fs.Write(buffer, 0, length);
fs.Close();
}
}
}
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