ShaderParser.h

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#ifndef GlobeEngine_ShaderParser_h
#define GlobeEngine_ShaderParser_h

#include "OpenGL_Includes.h"
#include <string>
#include <vector>
#include <memory>

namespace ge {
    
    struct ShaderProperty {
        enum Type { FLOAT, INT, VEC3, VEC4, MAT4 };
        enum IOType { IN_BUFFER, OUT_BUFFER, UNIFORM, DEFINE };

        IOType _iotype;
        Type _type;
        std::string _name;
    };

    struct ShaderDefineProperty {
        std::string name;
        int value;
    };

    struct ShaderAttributes {
        std::vector<ShaderDefineProperty> defines;
        std::vector<std::string> inAttributes;

        std::vector<std::string> outAttributes;

        std::vector<std::string> uniformAttributes;
    };

    class ShaderParser
    {
    public:
        ShaderParser();
        ~ShaderParser();
        void create();
        void clear();
    
        static std::string readFile(std::string _repopath);
        static std::vector<std::string> splitProgram(const std::string& _source, std::string _filepath);
        static std::shared_ptr<ge::ShaderAttributes> getAttributesFromString(const std::string& _source);
        static std::string getAttributePropertyFromLine(ShaderProperty::IOType _iotype, std::string _line);
        static unsigned short getOffSetForType(ShaderProperty::IOType _iotype);
        static ShaderDefineProperty getDefinePropertyFromLine(std::string _line);
        
    private:
        

    };
    
    
}
#endif