void AddEntry(ZipFile workFile, ZipUpdate update) { Stream source = null; if ( update.Entry.IsFile ) { source = update.GetSource(); if ( source == null ) { source = updateDataSource_.GetSource(update.Entry, update.Filename); } } if ( source != null ) { using ( source ) { long sourceStreamLength = source.Length; if ( update.OutEntry.Size < 0 ) { update.OutEntry.Size = sourceStreamLength; } else { // Check for errant entries. if ( update.OutEntry.Size != sourceStreamLength ) { throw new ZipException("Entry size/stream size mismatch"); } } workFile.WriteLocalEntryHeader(update); long dataStart = workFile.baseStream_.Position; using ( Stream output = workFile.GetOutputStream(update.OutEntry) ) { CopyBytes(update, output, source, sourceStreamLength, true); } long dataEnd = workFile.baseStream_.Position; update.OutEntry.CompressedSize = dataEnd - dataStart; if ((update.OutEntry.Flags & (int)GeneralBitFlags.Descriptor) == (int)GeneralBitFlags.Descriptor) { ZipHelperStream helper = new ZipHelperStream(workFile.baseStream_); helper.WriteDataDescriptor(update.OutEntry); } } } else { workFile.WriteLocalEntryHeader(update); update.OutEntry.CompressedSize = 0; } }
private void AddEntry(ZipFile workFile, ZipUpdate update) { Stream source = null; if (update.Entry.IsFile) { source = update.GetSource(); if (source == null) { source = updateDataSource_.GetSource(update.Entry, update.Filename); } } if (source != null) { using (source) { long length = source.Length; if (update.OutEntry.Size < 0L) { update.OutEntry.Size = length; } else if (update.OutEntry.Size != length) { throw new ZipException("Entry size/stream size mismatch"); } workFile.WriteLocalEntryHeader(update); long position = workFile.baseStream_.Position; using (Stream stream2 = workFile.GetOutputStream(update.OutEntry)) { CopyBytes(update, stream2, source, length, true); } long num3 = workFile.baseStream_.Position; update.OutEntry.CompressedSize = num3 - position; if ((update.OutEntry.Flags & 8) == 8) { new ZipHelperStream(workFile.baseStream_).WriteDataDescriptor(update.OutEntry); } return; } } workFile.WriteLocalEntryHeader(update); update.OutEntry.CompressedSize = 0L; }