Method copyFileToNewZip

Engine/source/core/util/zip/zipArchive.cpp:533–567

}

bool ZipArchive::copyFileToNewZip(CentralDir *cdir, Stream *newZipStream)
{
   // [tom, 1/24/2007] Using the stored compressor allows us to copy the raw
   // data regardless of compression method without having to re-compress it.
   Compressor *comp = Compressor::findCompressor(Stored);
   if(comp == NULL)
      return false;

   if(! mStream->setPosition(cdir->mLocalHeadOffset))
      return false;

   // Copy file header
   // FIXME [tom, 1/24/2007] This will currently not copy the extra fields
   FileHeader fh;
   if(! fh.read(mStream))
      return false;

   cdir->mLocalHeadOffset = newZipStream->getPosition();

   if(! fh.write(newZipStream))
      return false;

   // Copy file data
   Stream *readS = comp->createReadStream(cdir, mStream);
   if(readS == NULL)
      return false;

   bool ret = newZipStream->copyFrom(readS);

   // [tom, 1/24/2007] closeFile() just frees the relevant filters and
   // thus it is safe to call from here.
   closeFile(readS);

   return ret;
}

//-----------------------------------------------------------------------------
// Public Methods