DataFormat.h

 
#ifndef ACTIVE_UTILITY_DATA_FORMAT
#define ACTIVE_UTILITY_DATA_FORMAT
 
#include "Active/Utility/Memory.h"
#include "Active/Utility/TextEncoding.h"
 
#include <bit>
#include <memory>
 
namespace active::utility {
    
    struct DataFormat {
        
        // MARK: - Types
            
            //Optional format
        using Option = std::optional<DataFormat>;
        
        inline static constexpr bool defaultEndian{std::endian::native == std::endian::big};
        
        static std::optional<std::pair<DataFormat, Memory::size_type>> fromBOM(const char* bom, Memory::size_type len);
        
        // MARK: - Constructors
        
        DataFormat() {}
        DataFormat(bool withBOM, bool asBigEndian = defaultEndian) : isBigEndian{asBigEndian}, isBOM{withBOM} {}
        DataFormat(TextEncoding encode, bool withBOM = false, bool asBigEndian = defaultEndian) :
                    encoding{encode}, isBigEndian{asBigEndian}, isBOM{withBOM} {}
        
        // MARK: - Public variables
        
        TextEncoding encoding = TextEncoding::UTF8;
        bool isBigEndian = defaultEndian;
        bool isBOM = false;
        
        // MARK: - Functions (const)
        
        Memory::Option toBOM() const;
    };
 
}
 
#endif  //ACTIVE_UTILITY_DATA_FORMAT