B64Impl Struct Reference

Static Public Member Functions
static constexpr char	Encode (uint8 v)
static constexpr uint8	Decode (uint8 v)

Static Public Attributes
static constexpr std::size_t	BITS_PER_CHAR = 6
static constexpr char	PADDING = '='
static constexpr uint8	DECODE_ERROR = 0xff

Detailed Description

Member Function Documentation

Decode()

static constexpr uint8 B64Impl::Decode ( uint8  v )

inlinestaticconstexpr

    {
        if (('A' <= v) && (v <= 'Z')) { return (v - 'A'); }
        if (('a' <= v) && (v <= 'z')) { return (v - 'a') + 26; }
        if (('0' <= v) && (v <= '9')) { return (v - '0') + 52; }
        if (v == '+') { return 62; }
        if (v == '/') { return 63; }
        return DECODE_ERROR;
    }

References DECODE_ERROR.

Encode()

static constexpr char B64Impl::Encode ( uint8  v )

inlinestaticconstexpr

    {
        ASSERT(v < 0x40);
        if (v < 26) { return 'A' + v; }
        if (v < 52) { return 'a' + (v - 26); }
        if (v < 62) { return '0' + (v - 52); }
        if (v == 62) { return '+'; }
        else { return '/'; }
    }

References ASSERT.

Member Data Documentation

BITS_PER_CHAR

constexpr std::size_t B64Impl::BITS_PER_CHAR = 6

staticconstexpr

DECODE_ERROR

constexpr uint8 B64Impl::DECODE_ERROR = 0xff

staticconstexpr

Referenced by Decode().

PADDING

constexpr char B64Impl::PADDING = '='

staticconstexpr