Function disconnectData

libchigraph/src/NodeInstance.cpp:229–292

}

Result disconnectData(NodeInstance& lhs, size_t lhsConnID, NodeInstance& rhs) {
	assert(&lhs.function() == &rhs.function());

	lhs.module().updateLastEditTime();

	Result res = {};

	if (lhsConnID >= lhs.outputDataConnections.size()) {
		auto dataOutputs = nlohmann::json::array();
		for (auto& output : lhs.type().dataOutputs()) {
			dataOutputs.push_back({{output.name, output.type.qualifiedName()}});
		}

		res.addEntry("E22", "Output data connection in node doesn't exist",
		             {{"Requested ID", lhsConnID},
		              {"Node Type", lhs.type().qualifiedName()},
		              {"Node JSON", rhs.type().toJSON()},
		              {"Node Output Data Connections", dataOutputs}});

		return res;
	}

	// find the connection
	auto iter = std::find_if(lhs.outputDataConnections[lhsConnID].begin(),
	                         lhs.outputDataConnections[lhsConnID].end(),
	                         [&](auto& pair) { return pair.first == &rhs; });

	if (iter == lhs.outputDataConnections[lhsConnID].end()) {
		res.addEntry("EUKN", "Cannot disconnect from connection that doesn't exist",
		             {{"Left node ID", lhs.stringId()},
		              {"Right node ID", rhs.stringId()},
		              {"Left dock ID", lhsConnID}});

		return res;
	}

	if (rhs.inputDataConnections.size() <= iter->second) {
		auto dataInputs = nlohmann::json::array();
		for (auto& output : rhs.type().dataInputs()) {
			dataInputs.push_back({{output.name, output.type.qualifiedName()}});
		}

		res.addEntry("E23", "Input Data connection doesn't exist in node",
		             {{"Requested ID", iter->second},
		              {"Node Type", rhs.type().qualifiedName()},
		              {"Node JSON", rhs.type().toJSON()},
		              {"Node Input Data Connections", dataInputs}});

		return res;
	}

	if (rhs.inputDataConnections[iter->second] != std::make_pair(&lhs, lhsConnID)) {
		res.addEntry("EUKN", "Cannot disconnect from connection that doesn't exist",
		             {{"Left node ID", lhs.stringId()}, {"Right node ID", rhs.stringId()}});

		return res;
	}