Method loadObjectOrReference

src/IECore/Object.cpp:263–315

}

ObjectPtr Object::LoadContext::loadObjectOrReference( const IndexedIO *container, const IndexedIO::EntryID &name )
{
	IndexedIO::Entry e = container->entry( name );
	if( e.entryType()==IndexedIO::File )
	{
		IndexedIO::EntryIDList pathParts;
		if ( e.dataType() == IndexedIO::InternedStringArray )
		{
			pathParts.resize( e.arrayLength() );
			InternedString *p = &(pathParts[0]);
			container->read( name, p, e.arrayLength() );
		}
		else
		{
			// for backward compatibility...
			string path;
			container->read( name, path );
			typedef boost::tokenizer<boost::char_separator<char> > Tokenizer;
			// \todo: this would have trouble if the name of the object contains slashes...
			Tokenizer tokens(path, boost::char_separator<char>("/"));
			Tokenizer::iterator t = tokens.begin();

			for ( ; t != tokens.end(); t++ )
			{
				pathParts.push_back( *t );
			}
		}
		std::pair<LoadedObjects::iterator, bool> ret = m_loadedObjects->insert( std::pair<IndexedIO::EntryIDList, ObjectPtr>( pathParts, nullptr ) );
		if ( ret.second )
		{
			// jump to the path..
			ConstIndexedIOPtr ioObject = m_ioInterface->directory( pathParts );
			// add the loaded object to the map.
			ret.first->second = loadObject( ioObject.get() );
		}
		return ret.first->second;
	}
	else
	{
		ConstIndexedIOPtr ioObject = container->subdirectory( name );

		IndexedIO::EntryIDList pathParts;
		ioObject->path( pathParts );

		std::pair<LoadedObjects::iterator, bool> ret = m_loadedObjects->insert( std::pair<IndexedIO::EntryIDList, ObjectPtr>( pathParts, nullptr ) );
		if ( ret.second )
		{
			// add the loaded object to the map.
			ret.first->second = loadObject( ioObject.get() );
		}
		return ret.first->second;
	}
}

// this function can only load concrete objects. it can't load references to
// objects. path is relative to the root of m_ioInterface