String.h

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#pragma once
 
#include <string>
#include <cstring>
 
#include <OnixS/ICE/BOE/ABI.h>
 
ONIXS_ICEBOE_MESSAGING_NAMESPACE_BEGIN

typedef char Char;

ONIXS_ICEBOE_EXPORTED
void toStr(std::string& str, Char character);

inline
void toStr(std::string& str, const std::string& value)
{
    str.append(value);
}

ONIXS_ICEBOE_NODISCARD
inline std::string toStr(Char character)
{
    std::string res;
    toStr(res, character);
    return res;
}
 
namespace details {
    template <size_t From, size_t To>
    struct Strnlen
    {
        static constexpr size_t compute(const char* s) noexcept
        {
            return (s[From] == '\0') ? From : Strnlen<From + 1, To>::compute(s);
        }
    };
 
    template <size_t To>
    struct Strnlen<To, To>
    {
        static constexpr size_t compute(const char*) noexcept { return To; }
    };
}
 
template <size_t MaxLen>
ONIXS_ICEBOE_FORCEINLINE
typename std::enable_if<(MaxLen <= 16), size_t>::type
    stringLen(const Char* s) noexcept
{
    return details::Strnlen<0, MaxLen>::compute(s);
}
 
template <size_t MaxLen>
ONIXS_ICEBOE_FORCEINLINE
typename std::enable_if<(MaxLen > 16), size_t>::type
    stringLen(const Char* s) noexcept
{
    return ::strnlen(s, MaxLen);
}
 
ONIXS_ICEBOE_MESSAGING_NAMESPACE_END