KSG-Framework/JSON.h

#pragma once

#include "Text.h"
#include "Array.h"

namespace Framework
{
    namespace JSON
    {
        enum JSONType
        {
            NULL_,
            BOOLEAN,
            NUMBER,
            STRING,
            ARRAY,
            OBJECT
        };

        class JSONArray;
        class JSONObject;

        class JSONValue
        {
        private:
            JSONType type;

        protected:
            JSONValue( JSONType type );

        public:
            JSONValue();
            JSONType getType() const;
            virtual Text toString() const;
        };

        class JSONBool : public JSONValue
        {
        private:
            bool b;

        public: 
            JSONBool( bool b );

            bool getBool() const;
            Text toString() const override;
        };

        class JSONNumber : public JSONValue
        {
        private:
            double number;

        public:
            JSONNumber( double num );

            double getNumber() const;
            Text toString() const override;
        };

        class JSONString : public JSONValue
        {
        private:
            Text string;

        public:
            JSONString( Text string );

            Text getString() const;
            Text toString() const override;
        };

        class JSONArray : public JSONValue
        {
        private:
            Array< JSONValue > *array;

        public:
            JSONArray();
            JSONArray( Text string );
            JSONArray( const JSONArray &arr );
            ~JSONArray();

            JSONArray &operator=( const JSONArray &arr );

            void addValue( JSONValue value );
            JSONValue getValue( int i ) const;
            int getLength() const;

            Text toString() const override;
        };

        class JSONObject : public JSONValue
        {
        private:
            Array< Text > *fields;
            Array< JSONValue > *values;

        public:
            JSONObject();
            JSONObject( Text string );
            JSONObject( const JSONObject &obj );
            ~JSONObject();

            JSONObject &operator=( const JSONObject &obj );

            bool addValue( Text field, JSONValue value );
            bool removeValue( Text field );
            bool hasValue( Text field );
            JSONValue getValue( Text field );
            Iterator< Text > getFields();
            Iterator< JSONValue > getValues();

            Text toString() const override;
        };

        namespace Parser
        {
            int findObjectEndInArray( const char *str );
            Text removeWhitespace( const char *str );
            JSONValue getValue( const char *str );
            int findFieldEndInObject( const char *str );
            int findValueEndInObject( const char *str );
        };
    }
}