toml format is now used for settings file

src/coders/toml.h

@@ -0,0 +1,68 @@
+#ifndef CODERS_TOML_H_
+#define CODERS_TOML_H_
+
+#include <string>
+#include <vector>
+#include <unordered_map>
+
+#include "commons.h"
+
+namespace toml {
+    enum class fieldtype {
+        ftbool,
+        ftint,
+        ftuint,
+        ftfloat,
+        ftstring,
+    };
+
+    struct Field {
+        fieldtype type;
+        void* ptr;
+    };
+
+    class Section {
+        std::unordered_map<std::string, Field> fields;
+        std::vector<std::string> keyOrder;
+        std::string name;
+        void add(std::string name, Field field);
+    public:
+        Section(std::string name);
+        void add(std::string name, bool* ptr);
+        void add(std::string name, int* ptr);
+        void add(std::string name, uint* ptr);
+        void add(std::string name, float* ptr);
+        void add(std::string name, std::string* ptr);
+
+        const Field* field(std::string name) const;
+
+        void set(std::string name, double value);
+        void set(std::string name, bool value);
+        void set(std::string name, std::string value);
+    
+        std::string getName() const;
+        const std::vector<std::string>& keys() const;
+    };
+
+    class Wrapper {
+        std::unordered_map<std::string, Section*> sections;
+        std::vector<std::string> keyOrder;
+    public:
+        ~Wrapper();
+        Section& add(std::string section);
+        Section* section(std::string name);
+
+        std::string write() const;
+    };
+
+    class Reader : public BasicParser {
+        Wrapper* wrapper;
+        void skipWhitespace() override;
+        void readSection(Section* section);
+    public:
+        Reader(Wrapper* wrapper, std::string file, std::string source);
+        void read();
+    };
+}
+
+#endif // CODERS_TOML_H_