Method checkState_

plugins/e57/libE57Format/src/SourceDestBufferImpl.cpp:280–315

}

void SourceDestBufferImpl::checkState_() const
{
   /// Implement checkImageFileOpen functionality for SourceDestBufferImpl ctors
   /// Throw an exception if destImageFile (destImageFile_) isn't open
   ImageFileImplSharedPtr destImageFile( destImageFile_ );
   if ( !destImageFile->isOpen() )
   {
      throw E57_EXCEPTION2( ErrorImageFileNotOpen, "fileName=" + destImageFile->fileName() );
   }

   /// Check pathName is well formed (can't verify path is defined until
   /// associate sdbuffer with CompressedVector later)
   ImageFileImplSharedPtr imf( destImageFile_ );
   imf->pathNameCheckWellFormed( pathName_ );

   if ( memoryRepresentation_ != UString )
   {
      if ( base_ == nullptr )
      {
         throw E57_EXCEPTION2( ErrorBadBuffer, "pathName=" + pathName_ );
      }
      if ( stride_ == 0 )
      {
         throw E57_EXCEPTION2( ErrorBadBuffer, "pathName=" + pathName_ );
      }
      //??? check base alignment, depending on CPU type
      //??? check if stride too small, positive or negative
   }
   else
   {
      if ( ustrings_ == nullptr )
      {
         throw E57_EXCEPTION2( ErrorBadBuffer, "pathName=" + pathName_ );
      }
   }
}

int64_t SourceDestBufferImpl::getNextInt64()
{