wbtiger
/
foundationdb
mirror of https://github.com/apple/foundationdb.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Apply review suggestion

This commit is contained in:
Junhyun Shim 2022-11-07 23:17:33 +01:00
parent 50f4021cf7
commit a5bca9761d
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fdbrpc/Base64Decode.cpp
View File

@ -35,6 +35,8 @@ template <bool UrlDecode>
inline uint8_t decodeValue(uint8_t valueIn) noexcept {
if constexpr (UrlDecode) {
// clang-format off
// Decodes base64url-encoding's 64 legal ASCII character byte: i.e. alphanumeric, '-', and '_'
// into 6-bit fragment, a sequence containing four of which would form 3 original bytes.
constexpr const uint8_t decoding[] = { // 20x13
_X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X,
_X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X,
@ -54,6 +56,8 @@ inline uint8_t decodeValue(uint8_t valueIn) noexcept {
return decoding[valueIn];
} else {
// clang-format off
// same as url-encoded base64, except that this encoding assumes '+' instead of '-',
// and '/' instead of '_'.
constexpr const uint8_t decoding[] = { // 20x13
_X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X,
_X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X, _X,