IndexedIOPtr Object::SaveContext::container( const std::string &typeName, unsigned int ioVersion )
{
IndexedIOPtr typeIO = m_ioInterface->subdirectory( typeName, IndexedIO::CreateIfMissing );
typeIO->write( g_ioVersionEntry, ioVersion );
IndexedIOPtr dataIO = typeIO->subdirectory( g_dataEntry, IndexedIO::CreateIfMissing );
dataIO->removeAll();
return dataIO;
}
void Object::SaveContext::save( const Object *toSave, IndexedIO *container, const IndexedIO::EntryID &name )
{
if ( !toSave )
{
throw Exception( "Error trying to save NULL pointer object!" );
}
SavedObjectMap::const_iterator it = m_savedObjects->find( toSave );
if( it!=m_savedObjects->end() )
{
container->write( name, &(it->second[0]), it->second.size() );
}
else
{
bool rootObject = ( m_savedObjects->size() == 0 );
if ( rootObject )
{
if ( container->hasEntry( name ) )
{
container->remove( name );
}
}
IndexedIOPtr nameIO = container->createSubdirectory( name );
IndexedIO::EntryIDList pathParts;
nameIO->path( pathParts );
(*m_savedObjects)[toSave] = pathParts;
nameIO->write( g_typeEntry, toSave->typeName() );
IndexedIOPtr dataIO = nameIO->createSubdirectory( g_dataEntry );
dataIO->removeAll();
SaveContext context( dataIO, m_savedObjects );
toSave->save( &context );
// Objects saved on a file can be committed to disk to free memory.
if ( rootObject )
{
nameIO->commit();
}
}
}