Simple compile time type information.

CTTI.hxx

#ifndef CTTI_HXX
#define CTTI_HXX

#include <ConstString.hxx>
#include <Platform.hxx>
#include <StaticString.hxx>

template<class T>
class CTTI
{    
#if COMPILER == CLANG_COMPILER
    static constexpr ConstString exprBegin = "static auto CTTI<";
    static constexpr ConstString exprMiddle = " >::getTypeName() [T = ";
    static constexpr ConstString exprEnd = "]";
#elif COMPILER == GCC_COMPILER
    static constexpr ConstString exprBegin = "static constexpr auto CTTI<T>::getTypeName() [with T = ";
    static constexpr ConstString exprEnd = "]";
#elif COMPILER == MSVC_COMPILER
    // TODO
    #error "Not implemented yet !"
#else
    #error "Compiler not supported !"
#endif
    
    public:  
    static constexpr auto getTypeName()
    {
        constexpr ConstString functionName = FUNCTION;

#if COMPILER == CLANG_COMPILER
        constexpr size_t typeNameLength = (functionName.size() - (exprBegin.size() + exprMiddle.size() + exprEnd.size())) / 2;
#else
        constexpr size_t typeNameLength = (functionName.size() - (exprBegin.size() + exprEnd.size()));
#endif
        return StaticString<typeNameLength>{ functionName.begin() + exprBegin.size(), functionName.begin() + exprBegin.size() + typeNameLength };
    }  
};

template<class T>
constexpr ConstString CTTI<T>::exprBegin;

#if COMPILER == CLANG_COMPILER
template<class T>
constexpr ConstString CTTI<T>::exprMiddle;
#endif

template<class T>
constexpr ConstString CTTI<T>::exprEnd;

#endif // CTTI_HXX