Method extractFile

Engine/source/core/util/zip/zipArchive.cpp:851–895

}

bool ZipArchive::extractFile(const char *pathInZip, const char *filename, bool *crcFail /* = NULL */)
{
   if(crcFail)
      *crcFail = false;

   const CentralDir *realCD = findFileInfo(pathInZip);
   if(realCD == NULL)
      return false;
   
   FileStream dest;
   if(! dest.open(filename, Torque::FS::File::Write))
      return false;

   Stream *source = openFile(pathInZip, Read);
   if(source == NULL)
   {
      dest.close();
      return false;
   }

   // [tom, 2/7/2007] CRC checking the lazy man's way
   // ZipStatFilter only fails if it doesn't have a central directory, so this is safe
   CentralDir fakeCD;
   ZipStatFilter zsf(&fakeCD);
   zsf.attachStream(source);

   bool ret = dest.copyFrom(&zsf);

   zsf.detachStream();

   if(ret && fakeCD.mCRC32 != realCD->mCRC32)
   {
      if(crcFail)
         *crcFail = true;

      if(isVerbose())
         Con::errorf("ZipArchive::extractFile - CRC failure extracting file %s", pathInZip);
      ret = false;
   }
   
   closeFile(source);
   dest.close();

   return ret;
}

bool ZipArchive::deleteFile(const char *filename)
{