unicode.h

#ifndef UNICODE_H
#define UNICODE_H
 
namespace UnicodeConversion
{
    enum Result
    {
        Success,
        NullCharacter,
        InvalidCharacter,
        OutOfRangeCharacter,
        InvalidValue,
        InterruptedEncoding,
        InputTruncated,
        BufferOverflow,
    };
 
    static inline bool IsSuccess(Result result)
    {
        switch(result)
        {
        case Success:
        case NullCharacter:
            return true;
        default:
            return false;
        }
    }
 
    static inline bool InputAdvanced(Result result)
    {
        switch(result)
        {
        case BufferOverflow:
            return false;
        default:
            return true;
        }
    }
 
    static inline bool InputTerminated(Result result)
    {
        switch(result)
        {
        case NullCharacter:
        case InputTruncated:
            return true;
        default:
            return false;
        }
    }
}
 
UnicodeConversion::Result UTF32ToUTF8(char32_t const *& input, char *& output, size_t max_output, size_t& required_output);
UnicodeConversion::Result UTF8ToUTF32(char const *& input, char32_t *& output, size_t max_input, bool force_out_of_range_decoding = false);
UnicodeConversion::Result UTF32ToUTF16(char32_t const *& input, char16_t *& output, size_t max_output, size_t& required_output);
UnicodeConversion::Result UTF16ToUTF32(char16_t const *& input, char32_t *& output, size_t max_input);
 
UnicodeConversion::Result UTF16ToUTF8(char16_t const *& input, char *& output, size_t max_input, size_t max_output, size_t& required_output);
UnicodeConversion::Result UTF8ToUTF16(char const *& input, char16_t *& output, size_t max_input, size_t max_output, size_t& required_output);
 
#endif /* UNICODE_H */