Beispiel #1
0
        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);
        }
Beispiel #2
0
        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);
        }
Beispiel #3
0
		/// <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);
			}
		}
Beispiel #4
0
		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;
		}