gistfile1.cpp

#include "json11.hpp"
using json11::Json;
#include <string>
using std::string;
#include <map>
typedef std::map<string, Json> Map;
#include <utility>
typedef std::pair<string, Json> Pair;
#include <vector>
typedef std::vector<string> strVector;
typedef std::vector<Pair> PairVector;
#include <stdexcept>
using std::out_of_range;
#include <sstream>
using std::ostringstream;

class dataFacility {
	Map data;
	Map newData;

	bool _isChanged;

public:
	dataFacility() { }

	dataFacility(const Map& m) {
		for(const auto& key : {"project", "files", "subprojects"}) {
			try {
				data.emplace(key, m.at(key));
			}
			catch (const out_of_range& e) {
				if (key == "subprojects")
					continue;
				else dataFacility();
			}
		}
	}



	// toJson() const;
	// bool save();

	void setProjectKey(const Json& pr) noexcept { newData["project"] = pr; }
	void setProjectkey(const string& pr) {
		class error { };
		try {
			string err;
			ostringstream o;
			o << "{ "
				<< "\"project\": \""
				<< pr
				<< "\" }";
			newData["project"] = Json::parse(o.str(), err);
			if (err.empty() == false) {
				throw error();
			}
		} catch (const error& e) {
			return;
		}
	}
	void setFilesKey(const Json& fi) noexcept { newData["files"] = fi; }
	void setFileskey(const string&);
	void setSubprojectsKey(const Json& su) noexcept { newData["project"] = su; }
	void setSubprojectsKey(const string&);

	Json getProjectKey() const noexcept { return data.at("project"); }
	Json getFilesKey() const noexcept { return data.at("files"); }
	Json getSubprojectsKey() const { 
		try {
			return data.at("subprojects");
		} catch (const out_of_range& e) {
			return Json();
		}
	}


	// enum Array { FILES, SUBPROJECTS };
	// bool appendDataToArray(const Array, const string&);

private:
	strVector keys = {
		//don't change sequence if you don't know what you doing

		};

};