public void Write(EndianStream ew)
{
ew.Write(signature);
ew.Write(diskNumber);
ew.Write(startDiskNumber);
ew.Write(entriesOnDisk);
ew.Write(EntriesInDirectory);
ew.Write(directorySize);
ew.Write(DirectoryOffset);
ew.Write(commentLength);
ew.Write(comment);
}
public ZipEndLocator(EndianStream er)
{
stream = er;
signature = er.ReadInt32();
diskNumber = er.ReadInt16();
startDiskNumber = er.ReadInt16();
entriesOnDisk = er.ReadInt16();
EntriesInDirectory = er.ReadInt16();
directorySize = er.ReadInt32();
DirectoryOffset = er.ReadInt32();
commentLength = er.ReadInt16();
comment = er.ReadASCII(commentLength);
}
public ZipFileRecord(EndianStream er)
{
stream = er;
signature = er.ReadInt32();
version = er.ReadInt16();
flags = er.ReadInt16();
compression = (CompressionType)er.ReadInt16();
fileTime = er.ReadInt16();
fileDate = er.ReadInt16();
Crc = er.ReadUInt32();
CompressedSize = er.ReadInt32();
UncompressedSize = er.ReadInt32();
fileNameLength = er.ReadInt16();
extraFieldLength = er.ReadInt16();
fileName = er.ReadASCII(fileNameLength);
extraField = er.ReadASCII(extraFieldLength);
data = er.ReadBytes(CompressedSize);
}
public LZX(string file)
{
File = new FileStream(file, FileMode.Open, FileAccess.ReadWrite, FileShare.None);
io = new EndianStream(File, false);
// Read it to make sure its a PkZip file
io.Seek((int)io.Length - 0x16, SeekOrigin.Begin);
if (io.ReadInt32() != 0x06054B50)
throw new Exception("This is not a PkZip File!");
// Lets read the structure
io.Seek((int)io.Length - 0x16, SeekOrigin.Begin);
ZipEndLocator el = new ZipEndLocator(io);
// Now that we have this info lets read our directory entries
entries = new List<ZipDirEntry>();
io.Seek(el.DirectoryOffset, SeekOrigin.Begin);
for (int i = 0; i < el.EntriesInDirectory; i++)
{
entries.Add(new ZipDirEntry(io));
}
}
public ZipFileRecord(EndianStream er)
{
stream = er;
signature = er.ReadInt32();
version = er.ReadInt16();
flags = er.ReadInt16();
compression = (CompressionType)er.ReadInt16();
fileTime = er.ReadInt16();
fileDate = er.ReadInt16();
Crc = er.ReadUInt32();
CompressedSize = er.ReadInt32();
UncompressedSize = er.ReadInt32();
fileNameLength = er.ReadInt16();
extraFieldLength = er.ReadInt16();
fileName = er.ReadASCII(fileNameLength);
extraField = er.ReadASCII(extraFieldLength);
data = er.ReadBytes(CompressedSize);
}
public void Write(EndianStream ew)
{
ew.Write(signature);
ew.Write(diskNumber);
ew.Write(startDiskNumber);
ew.Write(entriesOnDisk);
ew.Write(EntriesInDirectory);
ew.Write(directorySize);
ew.Write(DirectoryOffset);
ew.Write(commentLength);
ew.Write(comment);
}
public ZipEndLocator(EndianStream er)
{
stream = er;
signature = er.ReadInt32();
diskNumber = er.ReadInt16();
startDiskNumber = er.ReadInt16();
entriesOnDisk = er.ReadInt16();
EntriesInDirectory = er.ReadInt16();
directorySize = er.ReadInt32();
DirectoryOffset = er.ReadInt32();
commentLength = er.ReadInt16();
comment = er.ReadASCII(commentLength);
}
public ZipDirEntry(EndianStream es)
{
stream = es;
offset = (int)es.Position;
signature = es.ReadInt32();
versionMadeBy = es.ReadInt16();
versionToExtract = es.ReadInt16();
flags = es.ReadInt16();
compression = (CompressionType)es.ReadInt16();
fileTime = es.ReadInt16();
fileDate = es.ReadInt16();
crc = es.ReadUInt32();
compressedSize = es.ReadInt32();
uncompressedSize = es.ReadInt32();
fileNameLength = es.ReadInt16();
extraFieldLength = es.ReadInt16();
fileCommentLength = es.ReadInt16();
diskNumberStart = es.ReadInt16();
internalAttributes = es.ReadInt16();
externalAttributes = es.ReadInt32();
headerOffset = es.ReadInt32();
fileName = es.ReadASCII(fileNameLength);
extraField = es.ReadASCII(extraFieldLength);
}
