Method loadLayoutFromStream

src/eepp/ui/uiscenenode.cpp:577–618

}

UIWidget* UISceneNode::loadLayoutFromStream( IOStream& stream, Node* parent,
											 const Uint32& marker ) {
	if ( !stream.isOpen() )
		return NULL;

	ios_size bufferSize = stream.getSize();
	TScopedBuffer<char> scopedBuffer( bufferSize );
	stream.read( scopedBuffer.get(), scopedBuffer.length() );

	RegEx voidTagsRegex( VOIDTAG_REGEX );

	pugi::xml_document doc;
	pugi::xml_parse_result result;
	std::string_view layoutString( scopedBuffer.get(), scopedBuffer.length() );
	std::string fixedLayout;
	bool needsReplacements =
		voidTagsRegex.matches( scopedBuffer.get(), 0, nullptr, scopedBuffer.length() );
	std::string_view contents;

	if ( needsReplacements ) {
		fixedLayout = voidTagsRegex.gsub( layoutString.data(), "%1 />" );
		result = doc.load_buffer( fixedLayout.c_str(), fixedLayout.size(),
								  pugi::parse_default | pugi::parse_ws_pcdata );
		contents = fixedLayout;
	} else {
		result = doc.load_buffer( scopedBuffer.get(), scopedBuffer.length(),
								  pugi::parse_default | pugi::parse_ws_pcdata );
		contents = std::string_view( scopedBuffer.get(), scopedBuffer.length() );
	}

	if ( result ) {
		return loadLayoutNodes( doc.first_child(), NULL != parent ? parent : this, marker );
	} else {
		Log::error( "Couldn't load UI Layout from stream: %s",
					needsReplacements ? fixedLayout.c_str() : layoutString.data() );
		Log::error( "Error description: %s", result.description() );
		Log::error( "Error offset: %d", result.offset );
		Log::error( "Error context: %s", getErrorContext( result.offset, contents ) );
	}

	return NULL;
}

UIWidget* UISceneNode::loadLayoutFromPack( Pack* pack, const std::string& FilePackPath,
										   Node* parent ) {