Property.hpp

/*********************************************************************
Matt Marchant 2016
http://trederia.blogspot.com

tmxlite - Zlib license.

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.
*********************************************************************/

#ifndef TMXLITE_PROPERTY_HPP_
#define TMXLITE_PROPERTY_HPP_

#include <tmxlite/Config.hpp>
#include <tmxlite/Types.hpp>

#include <string>
#include <cassert>

namespace pugi
{
    class xml_node;
}

namespace tmx
{
    class TMXLITE_EXPORT_API Property final
    {
    public:
            
        enum class Type
        {
            Boolean,
            Float,
            Int,
            String,
            Colour,
            File,
            Undef
        };
            
        Property();
        ~Property() = default;

        void parse(const pugi::xml_node&);
        Type getType() const { return m_type; }
        const std::string& getName() const { return m_name; }
        bool getBoolValue() const { assert(m_type == Type::Boolean); return m_boolValue; }
        float getFloatValue() const { assert(m_type == Type::Float); return m_floatValue; }
        int getIntValue() const { assert(m_type == Type::Int); return m_intValue; }
        const std::string& getStringValue() const { assert(m_type == Type::String); return m_stringValue; }
        const Colour& getColourValue() const { assert(m_type == Type::Colour); return m_colourValue; }
        const std::string& getFileValue() const { assert(m_type == Type::File); return m_stringValue; }


    private:
        union
        {
            bool m_boolValue;
            float m_floatValue;
            int m_intValue;
        };
        std::string m_stringValue;
        std::string m_name;
        Colour m_colourValue;

        Type m_type;
    };
}

#endif //TMXLITE_PROPERTY_HPP_