diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/time/civil_time.cc')
-rw-r--r-- | third_party/abseil_cpp/absl/time/civil_time.cc | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/third_party/abseil_cpp/absl/time/civil_time.cc b/third_party/abseil_cpp/absl/time/civil_time.cc deleted file mode 100644 index bdfe9ce0efb3..000000000000 --- a/third_party/abseil_cpp/absl/time/civil_time.cc +++ /dev/null @@ -1,175 +0,0 @@ -// Copyright 2018 The Abseil Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "absl/time/civil_time.h" - -#include <cstdlib> -#include <string> - -#include "absl/strings/str_cat.h" -#include "absl/time/time.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN - -namespace { - -// Since a civil time has a larger year range than absl::Time (64-bit years vs -// 64-bit seconds, respectively) we normalize years to roughly +/- 400 years -// around the year 2400, which will produce an equivalent year in a range that -// absl::Time can handle. -inline civil_year_t NormalizeYear(civil_year_t year) { - return 2400 + year % 400; -} - -// Formats the given CivilSecond according to the given format. -std::string FormatYearAnd(string_view fmt, CivilSecond cs) { - const CivilSecond ncs(NormalizeYear(cs.year()), cs.month(), cs.day(), - cs.hour(), cs.minute(), cs.second()); - const TimeZone utc = UTCTimeZone(); - // TODO(absl-team): Avoid conversion of fmt string. - return StrCat(cs.year(), - FormatTime(std::string(fmt), FromCivil(ncs, utc), utc)); -} - -template <typename CivilT> -bool ParseYearAnd(string_view fmt, string_view s, CivilT* c) { - // Civil times support a larger year range than absl::Time, so we need to - // parse the year separately, normalize it, then use absl::ParseTime on the - // normalized string. - const std::string ss = std::string(s); // TODO(absl-team): Avoid conversion. - const char* const np = ss.c_str(); - char* endp; - errno = 0; - const civil_year_t y = - std::strtoll(np, &endp, 10); // NOLINT(runtime/deprecated_fn) - if (endp == np || errno == ERANGE) return false; - const std::string norm = StrCat(NormalizeYear(y), endp); - - const TimeZone utc = UTCTimeZone(); - Time t; - if (ParseTime(StrCat("%Y", fmt), norm, utc, &t, nullptr)) { - const auto cs = ToCivilSecond(t, utc); - *c = CivilT(y, cs.month(), cs.day(), cs.hour(), cs.minute(), cs.second()); - return true; - } - - return false; -} - -// Tries to parse the type as a CivilT1, but then assigns the result to the -// argument of type CivilT2. -template <typename CivilT1, typename CivilT2> -bool ParseAs(string_view s, CivilT2* c) { - CivilT1 t1; - if (ParseCivilTime(s, &t1)) { - *c = CivilT2(t1); - return true; - } - return false; -} - -template <typename CivilT> -bool ParseLenient(string_view s, CivilT* c) { - // A fastpath for when the given string data parses exactly into the given - // type T (e.g., s="YYYY-MM-DD" and CivilT=CivilDay). - if (ParseCivilTime(s, c)) return true; - // Try parsing as each of the 6 types, trying the most common types first - // (based on csearch results). - if (ParseAs<CivilDay>(s, c)) return true; - if (ParseAs<CivilSecond>(s, c)) return true; - if (ParseAs<CivilHour>(s, c)) return true; - if (ParseAs<CivilMonth>(s, c)) return true; - if (ParseAs<CivilMinute>(s, c)) return true; - if (ParseAs<CivilYear>(s, c)) return true; - return false; -} -} // namespace - -std::string FormatCivilTime(CivilSecond c) { - return FormatYearAnd("-%m-%d%ET%H:%M:%S", c); -} -std::string FormatCivilTime(CivilMinute c) { - return FormatYearAnd("-%m-%d%ET%H:%M", c); -} -std::string FormatCivilTime(CivilHour c) { - return FormatYearAnd("-%m-%d%ET%H", c); -} -std::string FormatCivilTime(CivilDay c) { return FormatYearAnd("-%m-%d", c); } -std::string FormatCivilTime(CivilMonth c) { return FormatYearAnd("-%m", c); } -std::string FormatCivilTime(CivilYear c) { return FormatYearAnd("", c); } - -bool ParseCivilTime(string_view s, CivilSecond* c) { - return ParseYearAnd("-%m-%d%ET%H:%M:%S", s, c); -} -bool ParseCivilTime(string_view s, CivilMinute* c) { - return ParseYearAnd("-%m-%d%ET%H:%M", s, c); -} -bool ParseCivilTime(string_view s, CivilHour* c) { - return ParseYearAnd("-%m-%d%ET%H", s, c); -} -bool ParseCivilTime(string_view s, CivilDay* c) { - return ParseYearAnd("-%m-%d", s, c); -} -bool ParseCivilTime(string_view s, CivilMonth* c) { - return ParseYearAnd("-%m", s, c); -} -bool ParseCivilTime(string_view s, CivilYear* c) { - return ParseYearAnd("", s, c); -} - -bool ParseLenientCivilTime(string_view s, CivilSecond* c) { - return ParseLenient(s, c); -} -bool ParseLenientCivilTime(string_view s, CivilMinute* c) { - return ParseLenient(s, c); -} -bool ParseLenientCivilTime(string_view s, CivilHour* c) { - return ParseLenient(s, c); -} -bool ParseLenientCivilTime(string_view s, CivilDay* c) { - return ParseLenient(s, c); -} -bool ParseLenientCivilTime(string_view s, CivilMonth* c) { - return ParseLenient(s, c); -} -bool ParseLenientCivilTime(string_view s, CivilYear* c) { - return ParseLenient(s, c); -} - -namespace time_internal { - -std::ostream& operator<<(std::ostream& os, CivilYear y) { - return os << FormatCivilTime(y); -} -std::ostream& operator<<(std::ostream& os, CivilMonth m) { - return os << FormatCivilTime(m); -} -std::ostream& operator<<(std::ostream& os, CivilDay d) { - return os << FormatCivilTime(d); -} -std::ostream& operator<<(std::ostream& os, CivilHour h) { - return os << FormatCivilTime(h); -} -std::ostream& operator<<(std::ostream& os, CivilMinute m) { - return os << FormatCivilTime(m); -} -std::ostream& operator<<(std::ostream& os, CivilSecond s) { - return os << FormatCivilTime(s); -} - -} // namespace time_internal - -ABSL_NAMESPACE_END -} // namespace absl |