/// <summary>
/// Extracts the package to the specified <see cref="DirectoryMap"/>
/// </summary>
/// <param name="directory"></param>
/// <param name="args"></param>
public void ExtractTo(DirectoryMap directory, TurtleExtractArgs args)
{
if (directory == null)
{
throw new ArgumentNullException("directory");
}
else if (args == null)
{
throw new ArgumentNullException("args");
}
ExtractFiles(args, delegate(ExtractorEventArgs e)
{
PackFile file = e.PackFile;
DirectoryMapFile dmf = directory.GetFile(file.RelativePath);
if ((dmf == null) || !dmf.Unmodified() || !QQnCryptoHelpers.HashComparer.Equals(dmf.FileHash, file.FileHash))
{
using (Stream s = directory.CreateFile(file.RelativePath, file.FileHash, file.FileSize))
{
QQnPath.CopyStream(e.Stream, s);
}
}
else
{
directory.UnscheduleDelete(file.RelativePath); // Make sure it stays
}
});
}
/// <summary>
/// Extracts the package to the specified directory
/// </summary>
/// <param name="directory">The directory.</param>
/// <param name="args">The args.</param>
public void ExtractTo(string directory, TurtleExtractArgs args)
{
if (string.IsNullOrEmpty(directory))
{
throw new ArgumentNullException("directory");
}
else if (args == null)
{
throw new ArgumentNullException("args");
}
if (args.UseDirectoryMap)
{
using (DirectoryMap dm = DirectoryMap.Get(directory))
{
ExtractTo(dm, args);
}
return;
}
ExtractFiles(args, delegate(ExtractorEventArgs e)
{
using (Stream s = File.Create(QQnPath.Combine(directory, e.PackFile.RelativePath)))
{
QQnPath.CopyStream(e.Stream, s);
}
});
}
private void ExtractFiles(TurtleExtractArgs args, Extractor extractor)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
else if (extractor == null)
{
throw new ArgumentNullException("extract");
}
ZipStream.Seek(0, SeekOrigin.Begin);
Dictionary <string, PackFile> extract = new Dictionary <string, PackFile>(StringComparer.OrdinalIgnoreCase);
// Prepare a list of items to extract
foreach (PackContainer container in _pack.Containers)
{
if (!args.ExtractContainer(container.Name))
{
continue;
}
foreach (PackFile pf in container.Files)
{
extract.Add(pf.StreamName, pf);
}
}
// TODO: Perhaps optimize the case where we don't have anything
// to extract at all
// Extract them in zip-order to optimize reading
using (ZipFile zip = new ZipFile(ZipStream))
{
foreach (ZipEntry entry in zip)
{
PackFile pf;
if (extract.TryGetValue(entry.Name, out pf))
{
extractor(new ExtractorEventArgs(pf, zip, entry));
}
}
}
}
/// <summary>
/// Extracts the specified containers to the specified directory
/// </summary>
/// <param name="directory">The directory.</param>
/// <param name="useMap">if set to <c>true</c> [use map].</param>
/// <param name="containers">The containers.</param>
public void ExtractTo(string directory, bool useMap, string[] containers)
{
if (string.IsNullOrEmpty(directory))
{
throw new ArgumentNullException("directory");
}
TurtleExtractArgs args = new TurtleExtractArgs();
if (containers != null)
{
args.Containers = containers;
}
args.UseDirectoryMap = useMap;
ExtractTo(directory, args);
}
