internal static ZipFile Read(string zipfilename, bool TurnOnDebug)
{
ZipFile zf = new ZipFile();
zf._Debug = TurnOnDebug;
zf._name = zipfilename;
zf._entries = new System.Collections.Generic.List <ZipEntry>();
ZipEntry e;
while ((e = ZipEntry.Read(zf.ReadStream, zf._Debug)) != null)
{
if (zf._Debug)
{
System.Console.WriteLine(" ZipFile::Read(): ZipEntry: {0}", e.FileName);
}
zf._entries.Add(e);
}
// read the zipfile's central directory structure here.
zf._direntries = new System.Collections.Generic.List <ZipDirEntry>();
ZipDirEntry de;
while ((de = ZipDirEntry.Read(zf.ReadStream, zf._Debug)) != null)
{
if (zf._Debug)
{
System.Console.WriteLine(" ZipFile::Read(): ZipDirEntry: {0}", de.FileName);
}
zf._direntries.Add(de);
}
return(zf);
}
internal static ZipDirEntry Read(System.IO.Stream s, bool TurnOnDebug)
{
int signature = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.ReadSignature(s);
// return null if this is not a local file header signature
if (SignatureIsNotValid(signature))
{
s.Seek(-4, System.IO.SeekOrigin.Current);
if (TurnOnDebug)
{
System.Console.WriteLine(" ZipDirEntry::Read(): Bad signature ({0:X8}) at position {1}", signature, s.Position);
}
return(null);
}
byte[] block = new byte[42];
int n = s.Read(block, 0, block.Length);
if (n != block.Length)
{
return(null);
}
int i = 0;
ZipDirEntry zde = new ZipDirEntry();
zde._Debug = TurnOnDebug;
zde._VersionMadeBy = (short)(block[i++] + block[i++] * 256);
zde._VersionNeeded = (short)(block[i++] + block[i++] * 256);
zde._BitField = (short)(block[i++] + block[i++] * 256);
zde._CompressionMethod = (short)(block[i++] + block[i++] * 256);
zde._LastModDateTime = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._Crc32 = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._CompressedSize = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._UncompressedSize = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._LastModified = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.PackedToDateTime(zde._LastModDateTime);
Int16 filenameLength = (short)(block[i++] + block[i++] * 256);
Int16 extraFieldLength = (short)(block[i++] + block[i++] * 256);
Int16 commentLength = (short)(block[i++] + block[i++] * 256);
Int16 diskNumber = (short)(block[i++] + block[i++] * 256);
Int16 internalFileAttrs = (short)(block[i++] + block[i++] * 256);
Int32 externalFileAttrs = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
Int32 Offset = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
block = new byte[filenameLength];
n = s.Read(block, 0, block.Length);
zde._FileName = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.StringFromBuffer(block, 0, block.Length);
zde._Extra = new byte[extraFieldLength];
n = s.Read(zde._Extra, 0, zde._Extra.Length);
block = new byte[commentLength];
n = s.Read(block, 0, block.Length);
zde._Comment = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.StringFromBuffer(block, 0, block.Length);
return(zde);
}
/// <include file='Documents/ArchiveManager.xml' path='ArchiveManager/Member[@name="OpenStream"]/*' />
protected override Stream OpenStream(string assetName) {
if (useArchive && archive != null) {
assetName = assetName.Replace("\\", "/");
if (assetName.StartsWith("/"))
assetName = assetName.Remove(0, 1);
string fullAssetName = (assetName + ".xnb").ToLower();
foreach (ZipEntry entry in archive) {
ZipDirEntry ze = new ZipDirEntry(entry);
string entryName = entry.FileName.ToLower();
if (entryName == fullAssetName) {
return entry.GetStream();
}
}
throw new Exception("Cannot find asset \"" + assetName + "\" in the archive.");
} else {
return base.OpenStream(assetName);
}
}
internal static ZipDirEntry Read(System.IO.Stream s, bool TurnOnDebug) {
int signature = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.ReadSignature(s);
// return null if this is not a local file header signature
if (SignatureIsNotValid(signature)) {
s.Seek(-4, System.IO.SeekOrigin.Current);
if (TurnOnDebug)
System.Console.WriteLine(" ZipDirEntry::Read(): Bad signature ({0:X8}) at position {1}", signature, s.Position);
return null;
}
byte[] block = new byte[42];
int n = s.Read(block, 0, block.Length);
if (n != block.Length)
return null;
int i = 0;
ZipDirEntry zde = new ZipDirEntry();
zde._Debug = TurnOnDebug;
zde._VersionMadeBy = (short)(block[i++] + block[i++] * 256);
zde._VersionNeeded = (short)(block[i++] + block[i++] * 256);
zde._BitField = (short)(block[i++] + block[i++] * 256);
zde._CompressionMethod = (short)(block[i++] + block[i++] * 256);
zde._LastModDateTime = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._Crc32 = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._CompressedSize = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._UncompressedSize = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
zde._LastModified = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.PackedToDateTime(zde._LastModDateTime);
Int16 filenameLength = (short)(block[i++] + block[i++] * 256);
Int16 extraFieldLength = (short)(block[i++] + block[i++] * 256);
Int16 commentLength = (short)(block[i++] + block[i++] * 256);
Int16 diskNumber = (short)(block[i++] + block[i++] * 256);
Int16 internalFileAttrs = (short)(block[i++] + block[i++] * 256);
Int32 externalFileAttrs = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
Int32 Offset = block[i++] + block[i++] * 256 + block[i++] * 256 * 256 + block[i++] * 256 * 256 * 256;
block = new byte[filenameLength];
n = s.Read(block, 0, block.Length);
zde._FileName = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.StringFromBuffer(block, 0, block.Length);
zde._Extra = new byte[extraFieldLength];
n = s.Read(zde._Extra, 0, zde._Extra.Length);
block = new byte[commentLength];
n = s.Read(block, 0, block.Length);
zde._Comment = GodLesZ.Library.Xna.WindowLibrary.External.Zip.Shared.StringFromBuffer(block, 0, block.Length);
return zde;
}
