public void Decompress(string filePath, string destFolder)
{
using (FileStream fs = File.OpenRead(filePath))
using (var gzs = new GZipStream(fs, CompressionMode.Decompress))
{
var reader = new RawDataReader(gzs, Encoding.UTF8);
foreach (byte b in Signature)
{
if (b != reader.ReadByte())
{
throw new CorruptedFileException(filePath);
}
}
int nbDir = reader.ReadInt();
var folders = new List <string>(nbDir);
for (int i = 0; i < nbDir; ++i)
{
string dir = Path.Combine(destFolder, reader.ReadString());
folders.Add(dir);
Directory.CreateDirectory(dir);
}
int nbFile = reader.ReadInt();
for (int i = 0; i < nbFile; ++i)
{
string file = reader.ReadString();
int ndxDir = reader.ReadInt();
if (ndxDir == NDX_CUR_FOLDER)
{
file = Path.Combine(destFolder, file);
}
else
{
file = Path.Combine(folders[ndxDir], file);
}
long fileLen = reader.ReadLong();
CreateFile(gzs, file, fileLen);
FileDecompressed?.Invoke(file);
}
}
}
public static IEnumerable <string> GetContent(string filePath)
{
using (FileStream fs = File.OpenRead(filePath))
using (var gzs = new GZipStream(fs, CompressionMode.Decompress))
{
var reader = new RawDataReader(gzs, Encoding.UTF8);
foreach (byte b in Signature)
{
if (b != reader.ReadByte())
{
throw new CorruptedFileException(filePath);
}
}
int nbDir = reader.ReadInt();
var folders = new List <string>(nbDir);
for (int i = 0; i < nbDir; ++i)
{
string dir = reader.ReadString();
folders.Add(dir);
}
int nbFile = reader.ReadInt();
var files = new List <string>(nbFile);
for (int i = 0; i < nbFile; ++i)
{
string file = reader.ReadString();
int ndxDir = reader.ReadInt();
if (ndxDir != NDX_CUR_FOLDER)
{
file = Path.Combine(folders[ndxDir], file);
}
files.Add(file);
long fileLen = reader.ReadLong();
reader.Skip((int)fileLen);
}
return(files);
}
}