diff options
Diffstat (limited to 'Firestore/third_party/abseil-cpp/absl/strings/str_cat.h')
| -rw-r--r-- | Firestore/third_party/abseil-cpp/absl/strings/str_cat.h | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/Firestore/third_party/abseil-cpp/absl/strings/str_cat.h b/Firestore/third_party/abseil-cpp/absl/strings/str_cat.h index 1cf7b11..e38369c 100644 --- a/Firestore/third_party/abseil-cpp/absl/strings/str_cat.h +++ b/Firestore/third_party/abseil-cpp/absl/strings/str_cat.h @@ -76,10 +76,10 @@ struct AlphaNumBuffer { } // namespace strings_internal -// Enum that specifies the number of significant digits to return in a `Hex` -// conversion and fill character to use. A `kZeroPad2` value, for example, would -// produce hexadecimal strings such as "0A","0F" and 'kSpacePad5' value would -// produce hexadecimal strings such as " A"," F". +// Enum that specifies the number of significant digits to return in a `Hex` or +// `Dec` conversion and fill character to use. A `kZeroPad2` value, for example, +// would produce hexadecimal strings such as "0A","0F" and a 'kSpacePad5' value +// would produce hexadecimal strings such as " A"," F". enum PadSpec { kNoPad = 1, kZeroPad2, @@ -127,21 +127,32 @@ struct Hex { char fill; template <typename Int> - explicit Hex(Int v, PadSpec spec = absl::kNoPad, - typename std::enable_if<sizeof(Int) == 1>::type* = nullptr) + explicit Hex( + Int v, PadSpec spec = absl::kNoPad, + typename std::enable_if<sizeof(Int) == 1 && + !std::is_pointer<Int>::value>::type* = nullptr) : Hex(spec, static_cast<uint8_t>(v)) {} template <typename Int> - explicit Hex(Int v, PadSpec spec = absl::kNoPad, - typename std::enable_if<sizeof(Int) == 2>::type* = nullptr) + explicit Hex( + Int v, PadSpec spec = absl::kNoPad, + typename std::enable_if<sizeof(Int) == 2 && + !std::is_pointer<Int>::value>::type* = nullptr) : Hex(spec, static_cast<uint16_t>(v)) {} template <typename Int> - explicit Hex(Int v, PadSpec spec = absl::kNoPad, - typename std::enable_if<sizeof(Int) == 4>::type* = nullptr) + explicit Hex( + Int v, PadSpec spec = absl::kNoPad, + typename std::enable_if<sizeof(Int) == 4 && + !std::is_pointer<Int>::value>::type* = nullptr) : Hex(spec, static_cast<uint32_t>(v)) {} template <typename Int> - explicit Hex(Int v, PadSpec spec = absl::kNoPad, - typename std::enable_if<sizeof(Int) == 8>::type* = nullptr) + explicit Hex( + Int v, PadSpec spec = absl::kNoPad, + typename std::enable_if<sizeof(Int) == 8 && + !std::is_pointer<Int>::value>::type* = nullptr) : Hex(spec, static_cast<uint64_t>(v)) {} + template <typename Pointee> + explicit Hex(Pointee* v, PadSpec spec = absl::kNoPad) + : Hex(spec, reinterpret_cast<uintptr_t>(v)) {} private: Hex(PadSpec spec, uint64_t v) @@ -154,6 +165,32 @@ struct Hex { }; // ----------------------------------------------------------------------------- +// Dec +// ----------------------------------------------------------------------------- +// +// `Dec` stores a set of decimal std::string conversion parameters for use +// within `AlphaNum` std::string conversions. Dec is slower than the default +// integer conversion, so use it only if you need padding. +struct Dec { + uint64_t value; + uint8_t width; + char fill; + bool neg; + + template <typename Int> + explicit Dec(Int v, PadSpec spec = absl::kNoPad, + typename std::enable_if<(sizeof(Int) <= 8)>::type* = nullptr) + : value(v >= 0 ? static_cast<uint64_t>(v) + : uint64_t{0} - static_cast<uint64_t>(v)), + width(spec == absl::kNoPad + ? 1 + : spec >= absl::kSpacePad2 ? spec - absl::kSpacePad2 + 2 + : spec - absl::kZeroPad2 + 2), + fill(spec >= absl::kSpacePad2 ? ' ' : '0'), + neg(v < 0) {} +}; + +// ----------------------------------------------------------------------------- // AlphaNum // ----------------------------------------------------------------------------- // @@ -191,6 +228,7 @@ class AlphaNum { : piece_(digits_, numbers_internal::SixDigitsToBuffer(f, digits_)) {} AlphaNum(Hex hex); // NOLINT(runtime/explicit) + AlphaNum(Dec dec); // NOLINT(runtime/explicit) template <size_t size> AlphaNum( // NOLINT(runtime/explicit) |