public void AddZipEntry(ScsZipEntry entry, string path)
{
if (_rootDirectory == null)
{
_rootDirectory = new ScsDirectory(this, "");
_rootDirectory.AddZipEntry(entry, path);
}
else
{
_rootDirectory.AddZipEntry(entry, path);
}
}
public void AddZipEntry(ScsZipEntry entry, string path)
{
if (entry == null || path == "")
{
return;
}
var slashIndex = path.IndexOf("/", StringComparison.Ordinal);
if (slashIndex == -1) // no slash found => end of path = file location
{
var fileHash = entry.GetHash();
var newPath = Path.Combine(EntryPath, path);
newPath = newPath.Replace('\\', '/');
if (Files.ContainsKey(fileHash))
{
// Log.Msg($"File '{filePath}' already exists => overwriting");
Files[fileHash] = new ScsFile(entry, newPath);
}
else
{
Files.Add(fileHash, new ScsFile(entry, newPath));
}
return;
}
if (path.StartsWith("/"))
{
path = path.Substring(1);
}
var currentDir = path.Substring(0, slashIndex);
var hashName = Helper.CombinePath(EntryPath, currentDir);
var hash = CityHash.CityHash64(Encoding.UTF8.GetBytes(hashName), (ulong)hashName.Length);
if (Directories.ContainsKey(hash))
{
Directories[hash].AddZipEntry(entry, path.Substring(slashIndex + 1));
}
else
{
var newPath = Path.Combine(EntryPath, currentDir);
newPath = newPath.Replace('\\', '/');
var dir = new ScsDirectory(_rfs, newPath);
dir.AddZipEntry(entry, path.Substring(slashIndex + 1));
Directories.Add(hash, dir);
}
}
public ScsZipFile(string path, RootFileSystem rfs) : base(path, rfs)
{
if (!File.Exists(_path))
{
return;
}
Br = new BinaryReader(File.OpenRead(_path));
Entries = new Dictionary <string, ScsZipEntry>();
var entryCount = (short)ReadUInt16(Br, -22 + 10, SeekOrigin.End);
var fileOffset = 0;
for (var i = 0; i < entryCount; i++)
{
var entry = new ScsZipEntry(this)
{
CompressionMethod = ReadUInt16(Br, fileOffset += 8),
CompressedSize = ReadInt32(Br, fileOffset += 10),
Size = ReadInt32(Br, fileOffset += 4),
NameLength = (short)ReadUInt16(Br, fileOffset += 4),
};
var extraFieldLength = ReadUInt16(Br, fileOffset += 2);
Br.BaseStream.Seek(fileOffset += 2, SeekOrigin.Begin);
entry.Name = Encoding.UTF8.GetString(Br.ReadBytes(entry.NameLength));
fileOffset += entry.NameLength + extraFieldLength;
entry.Offset = fileOffset; // Offset to data
fileOffset += entry.CompressedSize;
if (entry.CompressedSize != 0) // only files
{
var filePath = entry.Name.Replace('\\', '/');
_rfs.AddZipEntry(entry, filePath);
}
Entries.Add(entry.Name, entry);
}
}
