#pragma once

/*!********************************************************************

 Audacity: A Digital Audio Editor

 @file HexHelpers.h
 @brief Define helper functions for hex-to-num conversion.

 Dmitry Vedenko
 **********************************************************************/

#include <cstdint>
#include <cassert>
#include <cctype>

namespace audacity
{

inline uint8_t HexCharToNum (char c) noexcept
{
    assert (std::isxdigit (c) != 0);

    if ('0' <= c && c <= '9')
        return c - '0';
    else if ('A' <= c && c <= 'F')
        return c - 'A' + 10;
    else if ('a' <= c && c <= 'f')
        return c - 'a' + 10;

    return 0;
}

}