Method Parse

Core/Utilities/Tools/ArchGraph.cpp:130–230

* JsonBackendParser ********************************************************************/

*                 JsonBackendParser
********************************************************************/
std::unique_ptr<ArchGraph> JsonBackendParser<ArchGraph>::Parse(const rapidjson::Value& root) 
{
    auto &quantum_chip_arch = root[JsonFields<ArchGraph>::_quantum_chip_arch_label.c_str()];

	std::string name = "quantum_chip";
	if (quantum_chip_arch.HasMember(JsonFields<ArchGraph>::_name_label.c_str()))
	{
		name = quantum_chip_arch[JsonFields<ArchGraph>::_name_label.c_str()].GetString();
	}

	if (!quantum_chip_arch[JsonFields<ArchGraph>::_qubits_label.c_str()].IsUint())
	{
		QCERR_AND_THROW(run_fail, "Error: ArchGraph json error.");
	}
	const uint32_t qubits = quantum_chip_arch[JsonFields<ArchGraph>::_qubits_label.c_str()].GetUint();

	auto graph = ArchGraph::Create(qubits);
	graph->putReg(name, std::to_string(qubits));

	std::string adj_mat;
	if (quantum_chip_arch.HasMember(JsonFields<ArchGraph>::_adj_list_label.c_str()))
	{
		adj_mat = JsonFields<ArchGraph>::_adj_list_label;
	}
	else if (quantum_chip_arch.HasMember("AdjMatrix")) {
		adj_mat = "AdjMatrix";
	}
	
	if (adj_mat.empty())
	{
		QCERR_AND_THROW(run_fail, "Error: ArchGraph json error, no adjacent-matrix config.");
	}
    auto &adj = quantum_chip_arch[adj_mat.c_str()];

	if (qubits < adj.MemberCount())
	{
		QCERR_AND_THROW(run_fail, "Error: ArchGraph json cofigure error.");
	}

	uint32_t qubit_index = 0;
	for (rapidjson::Value::ConstMemberIterator iter = adj.MemberBegin(); iter != adj.MemberEnd(); ++iter, ++qubit_index)
	{
		std::string str_key = iter->name.GetString();
		uint32_t key = stoi(str_key);
#if 0
		if (key != qubit_index)
		{
			QCERR_AND_THROW(run_fail, "Error: ArchGraph json index error occurs.");
		}
#endif

		auto &iList = iter->value;
		if (!iList.IsArray())
		{
			QCERR_AND_THROW(run_fail, "Error: ArchGraph json error.");
		}

        for (uint32_t j = 0, f = iList.Size(); j < f; ++j)