public void InsertFileAsync(GameFile sourceFile, CancellationToken ct, UpdateProgressDelegate callback)
{
callback.Invoke(0, string.Format("Inserting {0}", sourceFile.Name));
int offset = CalculateOffsetForNewEntry();
GameFile addedEntry = AddNewFileEntry(offset, sourceFile);
Stream sourceStream = sourceFile.GetStream(FileMode.Open, FileAccess.Read);
Stream destinationStream = GetStream(FileMode.Open, FileAccess.Write);
byte[] buf;
destinationStream.Seek(offset, SeekOrigin.Begin);
while (sourceStream.Position < sourceStream.Length)
{
if (ct.IsCancellationRequested)
{
sourceStream.Close();
destinationStream.Close();
DeleteFileEntry(addedEntry);
return;
}
buf = new byte[SECTOR_SIZE];
int read = sourceStream.Read(buf, 0, SECTOR_SIZE);
destinationStream.Write(buf, 0, SECTOR_SIZE);
callback.Invoke((int)((float)sourceStream.Position / sourceStream.Length * 100), string.Format("Inserting {0}", sourceFile.Name));
}
destinationStream.Flush();
destinationStream.Close();
sourceStream.Close();
}
public void ExtractFileAsync(GameFile entry, string destination, CancellationToken ct, UpdateProgressDelegate callback)
{
callback.Invoke(0, string.Format("Extracting {0}", entry.Name));
Stream stream = entry.GetStream(FileMode.Open, FileAccess.Read);
FileStream destinationFile = new FileStream(destination, FileMode.Create, FileAccess.Write);
byte[] buf = new byte[SECTOR_SIZE];
while (stream.Position < stream.Length)
{
if (ct.IsCancellationRequested)
{
destinationFile.Close();
File.Delete(destination);
return;
}
int read = stream.Read(buf, 0, SECTOR_SIZE);
destinationFile.Write(buf, 0, read);
callback.Invoke((int)((float)stream.Position / stream.Length * 100), string.Format("Extracting {0}", entry.Name));
}
destinationFile.Flush();
destinationFile.Close();
stream.Close();
}
/// <summary>
/// Экспортирует файл из архива
/// </summary>
/// <param name="entry"></param>
/// <param name="destination"></param>
public void ExtractFile(GameFile entry, string destination)
{
Stream stream = entry.GetStream(FileMode.Open, FileAccess.Read);
FileStream destinationFile = new FileStream(destination, FileMode.Create, FileAccess.Write);
byte[] buf = new byte[SECTOR_SIZE];
while (stream.Position < stream.Length)
{
int read = stream.Read(buf, 0, SECTOR_SIZE);
destinationFile.Write(buf, 0, read);
}
destinationFile.Flush();
destinationFile.Close();
stream.Close();
}
/// <summary>
/// Inserts new <see cref="GameFile"/> into current <see cref="ArchiveFile"/>
/// </summary>
/// <summary xml:lang="ru">
/// Добавляет новый файл <see cref="GameFile"/> в текущий архив <see cref="ArchiveFile"/>
/// </summary>
/// <param name="sourceFile"><see cref="GameFile"/> to be inserted into the <see cref="ArchiveFile"/></param>
/// <param name="sourceFile" xml:lang="ru">Файл <see cref="GameFile"/>, который необходимо добавить в архив <see cref="ArchiveFile"/></param>
public void InsertFile(GameFile sourceFile)
{
int offset = CalculateOffsetForNewEntry();
AddNewFileEntry(offset, sourceFile);
Stream sourceStream = sourceFile.GetStream(FileMode.Open, FileAccess.Read);
Stream destinationStream = GetStream(FileMode.Open, FileAccess.Write);
byte[] buf;
destinationStream.Seek(offset, SeekOrigin.Begin);
while (sourceStream.Position < sourceStream.Length)
{
buf = new byte[SECTOR_SIZE];
int read = sourceStream.Read(buf, 0, SECTOR_SIZE);
destinationStream.Write(buf, 0, SECTOR_SIZE);
}
destinationStream.Flush();
destinationStream.Close();
sourceStream.Close();
}