public override Stream GetEntry(string relativePath)
        {
            string resolvedPath = ZipLib.ResolvePath(relativePath);

            if (ZipLib.unzLocateFile(this.handle, resolvedPath, 0) != 0)
            {
                throw new ZipEntryNotFoundException("Entry not found:" + relativePath);
            }

            ZipEntryInfo entryInfo = new ZipEntryInfo();
            int          result    = ZipLib.unzGetCurrentFileInfo(this.handle, out entryInfo, null, UIntPtr.Zero, null, UIntPtr.Zero, null, UIntPtr.Zero);

            if (result != 0)
            {
                throw new ZipException("Error while reading entry info: " + relativePath + " - Errorcode: " + result);
            }

            result = ZipLib.unzOpenCurrentFile(this.handle);
            if (result != 0)
            {
                throw new ZipException("Error while opening entry: " + relativePath + " - Errorcode: " + result);
            }

            byte[] buffer    = new byte[entryInfo.UncompressedSize.ToUInt64()];
            int    bytesRead = 0;

            if ((bytesRead = ZipLib.unzReadCurrentFile(this.handle, buffer, (uint)entryInfo.UncompressedSize)) < 0)
            {
                throw new ZipException("Error while reading entry: " + relativePath + " - Errorcode: " + result);
            }

            result = ZipLib.unzCloseCurrentFile(handle);
            if (result != 0)
            {
                throw new ZipException("Error while closing entry: " + relativePath + " - Errorcode: " + result);
            }

            return(new MemoryStream(buffer, 0, bytesRead));
        }
Beispiel #2
0
 public static extern int unzGetCurrentFileInfo(IntPtr handle, out ZipEntryInfo entryInfoPtr,
                                                sbyte[] entryNameBuffer, UIntPtr entryNameBufferLength,
                                                byte[] extraField, UIntPtr extraFieldLength,
                                                sbyte[] commentBuffer, UIntPtr commentBufferLength);