Exemplo n.º 1
3
Arquivo: Main.cpp Projeto: efpies/KG
//---------------------------------------------------------------------------
TJSONObject *parseJsonValue (TJSONValue *value)
{
	TJSONObject *jsonObj = new TJSONObject;
	TBytes jsonBytes = TEncoding::UTF8->GetBytes(value->ToString());
	jsonObj->Parse(jsonBytes, 0);
	return jsonObj;
}
Exemplo n.º 2
0
Arquivo: Main.cpp Projeto: efpies/KG
//---------------------------------------------------------------------------
void __fastcall TMainForm::ParseJSON (const UnicodeString& fileName)
{
	TStringList *jsonText = new TStringList;
	jsonText->LoadFromFile(fileName);

	TBytes jsonBytes = TEncoding::UTF8->GetBytes(jsonText->Text);
	delete jsonText;

	TJSONObject *json = new TJSONObject;
	json->Parse(jsonBytes, 0);

	TJSONObject *topObjectValueObj;

	// Points
	topObjectValueObj = parseJsonValue(json->Get("points")->JsonValue);

	for (int i = 0; i < topObjectValueObj->Size(); ++i) {
		TJSONPair *pair = topObjectValueObj->Get(i);
		TJSONArray *array = jsonArrayFromPair(pair);
//		Vertice *point = new Vertice(INTVALARR(array, 0),
//											 INTVALARR(array, 1),
//											 INTVALARR(array, 2));
//
//		points[pair->JsonString->Value()] = point;
	}

	delete topObjectValueObj;

	// Edges
	topObjectValueObj = parseJsonValue(json->Get("edges")->JsonValue);

	map<UnicodeString, TColor> *colors = new map<UnicodeString, TColor>;
	(*colors)["red"] = clRed;
	(*colors)["black"] = clBlack;
	(*colors)["green"] = clGreen;
	(*colors)["blue"] = clBlue;
	(*colors)["fuchsia"] = clFuchsia;
	(*colors)["lime"] = clLime;

	for (int i = 0; i < topObjectValueObj->Size(); ++i) {
		TJSONPair *pair = topObjectValueObj->Get(i);
		TJSONObject *object = parseJsonValue(pair->JsonValue);
		TJSONArray *array = jsonArrayFromPair(object->Get("vertices"));
//		Edge *edge = new Edge (points[STRVALARR(array, 0)], points[STRVALARR(array, 1)]);
//
//		if (object->Get("color")) {
//			edge->setPen((*colors)[STRVALOBJ(object, "color")], 1, psSolid);
//		}
//
//		edges[pair->JsonString->Value()] = edge;
	}

	delete colors;
	delete topObjectValueObj;

	// Objects
	topObjectValueObj = parseJsonValue(json->Get("objects")->JsonValue);

	for (int i = 0; i < topObjectValueObj->Size(); ++i) {
		TJSONPair *pair = topObjectValueObj->Get(i);
		TJSONObject *object = parseJsonValue(pair->JsonValue);
		TJSONArray *array = jsonArrayFromPair(object->Get("edges"));

		GraphicObject *graphicObject = new GraphicObject;

		for (int j = 0; j < array->Size(); ++j) {
			graphicObject->addEdge(edges[STRVALARR(array, j)]);
		}

		objects[pair->JsonString->Value()] = graphicObject;
	}

	delete topObjectValueObj;
}