public void CommitUpdate()
{
if (this.isDisposed_)
{
throw new ObjectDisposedException("ZipFile");
}
this.CheckUpdating();
try
{
this.updateIndex_.Clear();
this.updateIndex_ = null;
if (this.contentsEdited_)
{
this.RunUpdates();
}
else if (this.commentEdited_)
{
this.UpdateCommentOnly();
}
else if (this.entries_.Length == 0)
{
byte[] comment = (this.newComment_ != null) ? this.newComment_.RawComment : ZipConstants.ConvertToArray(this.comment_);
using (ZipHelperStream stream = new ZipHelperStream(this.baseStream_))
{
stream.WriteEndOfCentralDirectory(0L, 0L, 0L, comment);
}
}
}
finally
{
this.PostUpdateCleanup();
}
}
private void RunUpdates()
{
ZipFile file;
long sizeEntries = 0L;
long num2 = 0L;
bool flag = false;
long destinationPosition = 0L;
if (this.IsNewArchive)
{
file = this;
file.baseStream_.Position = 0L;
flag = true;
}
else if (this.archiveStorage_.UpdateMode == FileUpdateMode.Direct)
{
file = this;
file.baseStream_.Position = 0L;
flag = true;
this.updates_.Sort(new UpdateComparer());
}
else
{
file = Create(this.archiveStorage_.GetTemporaryOutput());
file.UseZip64 = this.UseZip64;
if (this.key != null)
{
file.key = (byte[]) this.key.Clone();
}
}
try
{
foreach (ZipUpdate update in this.updates_)
{
if (update != null)
{
switch (update.Command)
{
case UpdateCommand.Copy:
if (!flag)
{
goto Label_012E;
}
this.CopyEntryDirect(file, update, ref destinationPosition);
goto Label_0196;
case UpdateCommand.Modify:
this.ModifyEntry(file, update);
goto Label_0196;
case UpdateCommand.Add:
if (!(this.IsNewArchive || !flag))
{
file.baseStream_.Position = destinationPosition;
}
this.AddEntry(file, update);
if (flag)
{
destinationPosition = file.baseStream_.Position;
}
goto Label_0196;
}
}
goto Label_0196;
Label_012E:
this.CopyEntry(file, update);
Label_0196:;
}
if (!(this.IsNewArchive || !flag))
{
file.baseStream_.Position = destinationPosition;
}
long position = file.baseStream_.Position;
foreach (ZipUpdate update in this.updates_)
{
if (update != null)
{
sizeEntries += file.WriteCentralDirectoryHeader(update.OutEntry);
}
}
byte[] comment = (this.newComment_ != null) ? this.newComment_.RawComment : ZipConstants.ConvertToArray(this.comment_);
using (ZipHelperStream stream = new ZipHelperStream(file.baseStream_))
{
stream.WriteEndOfCentralDirectory(this.updateCount_, sizeEntries, position, comment);
}
num2 = file.baseStream_.Position;
foreach (ZipUpdate update in this.updates_)
{
if (update != null)
{
if ((update.CrcPatchOffset > 0L) && (update.OutEntry.CompressedSize > 0L))
{
file.baseStream_.Position = update.CrcPatchOffset;
file.WriteLEInt((int) update.OutEntry.Crc);
}
if (update.SizePatchOffset > 0L)
{
file.baseStream_.Position = update.SizePatchOffset;
if (update.OutEntry.LocalHeaderRequiresZip64)
{
file.WriteLeLong(update.OutEntry.Size);
file.WriteLeLong(update.OutEntry.CompressedSize);
}
else
{
file.WriteLEInt((int) update.OutEntry.CompressedSize);
file.WriteLEInt((int) update.OutEntry.Size);
}
}
}
}
}
catch
{
file.Close();
if (!(flag || (file.Name == null)))
{
File.Delete(file.Name);
}
throw;
}
if (flag)
{
file.baseStream_.SetLength(num2);
file.baseStream_.Flush();
this.isNewArchive_ = false;
this.ReadEntries();
}
else
{
this.baseStream_.Close();
this.Reopen(this.archiveStorage_.ConvertTemporaryToFinal());
}
}
