public SqlDumpReader(string filePath)
{
string fileExtension = Path.GetExtension(filePath);
switch (fileExtension.ToLower())
{
case ".zip":
zipArchive = ZipArchive.Open(filePath);
ZipArchiveEntry firstZipArchiveEntry = zipArchive.Entries.First();
FileSize = firstZipArchiveEntry.Size;
streamReader = new StreamReader(firstZipArchiveEntry.OpenEntryStream());
break;
case ".rar":
rarArchive = RarArchive.Open(filePath);
RarArchiveEntry firstRarArchiveEntry = rarArchive.Entries.First();
FileSize = firstRarArchiveEntry.Size;
streamReader = new StreamReader(firstRarArchiveEntry.OpenEntryStream());
break;
case ".gz":
gZipArchive = GZipArchive.Open(filePath);
GZipArchiveEntry firstGZipArchiveEntry = gZipArchive.Entries.First();
FileSize = firstGZipArchiveEntry.Size;
streamReader = new StreamReader(firstGZipArchiveEntry.OpenEntryStream());
break;
case ".7z":
sevenZipArchive = SevenZipArchive.Open(filePath);
SevenZipArchiveEntry firstSevenZipArchiveEntry = sevenZipArchive.Entries.First();
FileSize = firstSevenZipArchiveEntry.Size;
streamReader = new StreamReader(new PositioningStream(firstSevenZipArchiveEntry.OpenEntryStream()));
break;
default:
FileSize = new FileInfo(filePath).Length;
streamReader = new StreamReader(filePath);
break;
}
CurrentFilePosition = 0;
}
public override Stream GetStream(string name)
{
// will search .fnt file or image in here.
var file = Path.HasExtension(name) ? name : $"{name}.bin";
ZipArchiveEntry entry = archive.Entries.SingleOrDefault(e => e.Key == file);
if (entry == null)
{
throw new FileNotFoundException();
}
// allow seeking
MemoryStream copy = new MemoryStream();
using (Stream s = entry.OpenEntryStream())
s.CopyTo(copy);
copy.Position = 0;
return(copy);
}
public static string GetMD5(this ZipArchiveEntry entry)
{
return(entry.OpenEntryStream().GetMD5());
}