diff options
Diffstat (limited to 'absl/time/civil_time.h')
-rw-r--r-- | absl/time/civil_time.h | 59 |
1 files changed, 55 insertions, 4 deletions
diff --git a/absl/time/civil_time.h b/absl/time/civil_time.h index f0be303c..bb460044 100644 --- a/absl/time/civil_time.h +++ b/absl/time/civil_time.h @@ -76,7 +76,7 @@ #include "absl/time/internal/cctz/include/cctz/civil_time.h" namespace absl { -inline namespace lts_2019_08_08 { +ABSL_NAMESPACE_BEGIN namespace time_internal { struct second_tag : cctz::detail::second_tag {}; @@ -248,7 +248,7 @@ struct year_tag : month_tag, cctz::detail::year_tag {}; // int minute() // int second() // -// Recall that fields inferior to the type's aligment will be set to their +// Recall that fields inferior to the type's alignment will be set to their // minimum valid value. // // Example: @@ -460,6 +460,57 @@ std::string FormatCivilTime(CivilDay c); std::string FormatCivilTime(CivilMonth c); std::string FormatCivilTime(CivilYear c); +// absl::ParseCivilTime() +// +// Parses a civil-time value from the specified `absl::string_view` into the +// passed output parameter. Returns `true` upon successful parsing. +// +// The expected form of the input string is as follows: +// +// Type | Format +// --------------------------------- +// CivilSecond | YYYY-MM-DDTHH:MM:SS +// CivilMinute | YYYY-MM-DDTHH:MM +// CivilHour | YYYY-MM-DDTHH +// CivilDay | YYYY-MM-DD +// CivilMonth | YYYY-MM +// CivilYear | YYYY +// +// Example: +// +// absl::CivilDay d; +// bool ok = absl::ParseCivilTime("2018-01-02", &d); // OK +// +// Note that parsing will fail if the string's format does not match the +// expected type exactly. `ParseLenientCivilTime()` below is more lenient. +// +bool ParseCivilTime(absl::string_view s, CivilSecond* c); +bool ParseCivilTime(absl::string_view s, CivilMinute* c); +bool ParseCivilTime(absl::string_view s, CivilHour* c); +bool ParseCivilTime(absl::string_view s, CivilDay* c); +bool ParseCivilTime(absl::string_view s, CivilMonth* c); +bool ParseCivilTime(absl::string_view s, CivilYear* c); + +// ParseLenientCivilTime() +// +// Parses any of the formats accepted by `absl::ParseCivilTime()`, but is more +// lenient if the format of the string does not exactly match the associated +// type. +// +// Example: +// +// absl::CivilDay d; +// bool ok = absl::ParseLenientCivilTime("1969-07-20", &d); // OK +// ok = absl::ParseLenientCivilTime("1969-07-20T10", &d); // OK: T10 floored +// ok = absl::ParseLenientCivilTime("1969-07", &d); // OK: day defaults to 1 +// +bool ParseLenientCivilTime(absl::string_view s, CivilSecond* c); +bool ParseLenientCivilTime(absl::string_view s, CivilMinute* c); +bool ParseLenientCivilTime(absl::string_view s, CivilHour* c); +bool ParseLenientCivilTime(absl::string_view s, CivilDay* c); +bool ParseLenientCivilTime(absl::string_view s, CivilMonth* c); +bool ParseLenientCivilTime(absl::string_view s, CivilYear* c); + namespace time_internal { // For functions found via ADL on civil-time tags. // Streaming Operators @@ -469,7 +520,7 @@ namespace time_internal { // For functions found via ADL on civil-time tags. // // Example: // -// absl::CivilDay d = absl::CivilDay("1969-07-20"); +// absl::CivilDay d = absl::CivilDay(1969, 7, 20); // std::cout << "Date is: " << d << "\n"; // std::ostream& operator<<(std::ostream& os, CivilYear y); @@ -481,7 +532,7 @@ std::ostream& operator<<(std::ostream& os, CivilSecond s); } // namespace time_internal -} // inline namespace lts_2019_08_08 +ABSL_NAMESPACE_END } // namespace absl #endif // ABSL_TIME_CIVIL_TIME_H_ |