event_value.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2009 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/


#pragma once

class CL_NetGameEventValue
{
public:
        enum Type
        {
                null,
                integer,
                uinteger,
                string,
                boolean,
                number,
                complex
        };

        CL_NetGameEventValue();

        CL_NetGameEventValue(int value);

        CL_NetGameEventValue(unsigned int value);

        CL_NetGameEventValue(float value);

        CL_NetGameEventValue(const CL_String &value);

        CL_NetGameEventValue(const CL_StringRef &value);

        CL_NetGameEventValue(const char *str);

        CL_NetGameEventValue(const wchar_t *str);
        explicit CL_NetGameEventValue(bool value);

        CL_NetGameEventValue(Type type);

        Type get_type() const;

        bool is_null() const;

        bool is_uinteger() const;

        bool is_integer() const;

        bool is_number() const;

        bool is_string() const;

        bool is_boolean() const;

        bool is_complex() const;

        unsigned int get_member_count() const;
        const CL_NetGameEventValue &get_member(unsigned int index) const;

        void add_member(const CL_NetGameEventValue &value);

        void set_member(unsigned int index, const CL_NetGameEventValue &value);

        unsigned int to_uinteger() const;

        int to_integer() const;

        float to_number() const;

        CL_String to_string() const;

        bool to_boolean() const;

        inline operator unsigned int() const { return to_uinteger(); }
        inline operator int() const { return to_integer(); }
        inline operator float() const { return to_number(); }
        inline operator CL_String() const { return to_string(); }
        inline operator bool() const { return to_boolean(); }

private:

        void throw_if_not_complex() const;

        Type type;
        union
        {
                int value_int;
                unsigned int value_uint;
                float value_float;
                bool value_bool;
        };
        CL_String value_string;
        std::vector<CL_NetGameEventValue> value_complex;
};

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