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- 43853019b439efb32c79d5d50e24508588e1bbe0 Undo the not applying qualifications to absl types in enc... by Derek Mauro <dmauro@google.com>
  - 06d62a10621c9864279ee57097069cfe3cb7b42a fix capitalization by Abseil Team <absl-team@google.com>
  - 22adbfee340bb452ba38b68975ade6f072859c4a Fix indices in str_split.h comments. by Derek Mauro <dmauro@google.com>
  - ae5143a559ad8633a78cd76620e30a781006d088 Fix the inconsistent licenses directives in the BUILD fil... by Derek Mauro <dmauro@google.com>
  - 0a76a3653b2ecfdad433d3e2f5b651c4ecdcf74b Remove strip.cc, fastmem.h, and fastmem_test.cc from the ... by Derek Mauro <dmauro@google.com>
  - 77908cfce5927aabca1f8d62481106f22cfc1936 Internal change. by Derek Mauro <dmauro@google.com>
  - d3277b4171f37e22ab346becb5e295c36c7a0219 Be consistent in (not) applying qualifications for enclos... by Abseil Team <absl-team@google.com>
  - 9ec7f8164e7d6a5f64288a7360a346628393cc50 Add std:: qualification to isnan and isinf in duration_te... by Derek Mauro <dmauro@google.com>
  - 9f7c87d7764ddba05286fabca1f4f15285f3250a Fix typos in string_view comments. by Abseil Team <absl-team@google.com>
  - 281860804f8053143d969b99876e3dbc6deb1236 Fix typo in container.h docs. by Abseil Team <absl-team@google.com>
  - 0b0a9388c7a9d7f72349d44b5b46132f45bde56c Add bazel-* symlinks to gitignore. by Michael Pratt <mpratt@google.com>

GitOrigin-RevId: 43853019b439efb32c79d5d50e24508588e1bbe0
Change-Id: I9e74a5430816a34ecf1acb86486ed3b0bd12a1d6
This commit is contained in:
Abseil Team 2017-09-27 10:50:48 -07:00 • committed by Derek Mauro
parent 7a64d73e1e
commit cdf20caa49
15 changed files with 66 additions and 998 deletions
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73
absl/time/time.h
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@ -68,9 +68,9 @@
namespace absl {
class Duration; // Defined below
class Time; // Defined below
class TimeZone; // Defined below
class Duration; // Defined below
class Time; // Defined below
class TimeZone; // Defined below
namespace time_internal {
int64_t IDivDuration(bool satq, Duration num, Duration den, Duration* rem);
@ -558,26 +558,32 @@ class Time {
constexpr Time() {}
// Assignment operators.
Time& operator+=(Duration d) { rep_ += d; return *this; }
Time& operator-=(Duration d) { rep_ -= d; return *this; }
Time& operator+=(Duration d) {
rep_ += d;
return *this;
}
Time& operator-=(Duration d) {
rep_ -= d;
return *this;
}
// Time::Breakdown
//
// The calendar and wall-clock (aka "civil time") components of a
// The calendar and wall-clock (aka "civil time") components of an
// `absl::Time` in a certain `absl::TimeZone`. This struct is not
// intended to represent an instant in time. So, rather than passing
// a `Time::Breakdown` to a function, pass an `absl::Time` and an
// `absl::TimeZone`.
struct Breakdown {
int64_t year; // year (e.g., 2013)
int month; // month of year [1:12]
int day; // day of month [1:31]
int hour; // hour of day [0:23]
int minute; // minute of hour [0:59]
int second; // second of minute [0:59]
Duration subsecond; // [Seconds(0):Seconds(1)) if finite
int weekday; // 1==Mon, ..., 7=Sun
int yearday; // day of year [1:366]
int64_t year; // year (e.g., 2013)
int month; // month of year [1:12]
int day; // day of month [1:31]
int hour; // hour of day [0:23]
int minute; // minute of hour [0:59]
int second; // second of minute [0:59]
Duration subsecond; // [Seconds(0):Seconds(1)) if finite
int weekday; // 1==Mon, ..., 7=Sun
int yearday; // day of year [1:366]
// Note: The following fields exist for backward compatibility
// with older APIs. Accessing these fields directly is a sign of
@ -624,9 +630,7 @@ inline Duration operator-(Time lhs, Time rhs) { return lhs.rep_ - rhs.rep_; }
// UnixEpoch()
//
// Returns the `absl::Time` representing "1970-01-01 00:00:00.0 +0000".
constexpr Time UnixEpoch() {
return Time();
}
constexpr Time UnixEpoch() { return Time(); }
// UniversalEpoch()
//
@ -717,14 +721,14 @@ constexpr Time InfinitePast() {
// // tc.kind == TimeConversion::UNIQUE && tc.normalized == true
// // tc.pre.In(tz).month == 11 && tc.pre.In(tz).day == 1
struct TimeConversion {
Time pre; // time calculated using the pre-transition offset
Time trans; // when the civil-time discontinuity occurred
Time post; // time calculated using the post-transition offset
Time pre; // time calculated using the pre-transition offset
Time trans; // when the civil-time discontinuity occurred
Time post; // time calculated using the post-transition offset
enum Kind {
UNIQUE, // the civil time was singular (pre == trans == post)
SKIPPED, // the civil time did not exist
REPEATED, // the civil time was ambiguous
UNIQUE, // the civil time was singular (pre == trans == post)
SKIPPED, // the civil time did not exist
REPEATED, // the civil time was ambiguous
};
Kind kind;
@ -869,8 +873,8 @@ extern const char RFC3339_sec[]; // %Y-%m-%dT%H:%M:%S%Ez
// RFC1123_no_wday
//
// FormatTime()/ParseTime() format specifiers for RFC1123 date/time strings.
extern const char RFC1123_full[]; // %a, %d %b %E4Y %H:%M:%S %z
extern const char RFC1123_no_wday[]; // %d %b %E4Y %H:%M:%S %z
extern const char RFC1123_full[]; // %a, %d %b %E4Y %H:%M:%S %z
extern const char RFC1123_no_wday[]; // %d %b %E4Y %H:%M:%S %z
// FormatTime()
//
@ -937,7 +941,7 @@ inline std::ostream& operator<<(std::ostream& os, Time t) {
//
// "1970-01-01 00:00:00.0 +0000"
//
// For example, parsing a std::string of "15:45" (%H:%M) will return a absl::Time
// For example, parsing a std::string of "15:45" (%H:%M) will return an absl::Time
// that represents "1970-01-01 15:45:00.0 +0000". Note: Since ParseTime()
// returns time instants, it makes the most sense to parse fully-specified
// date/time strings that include a UTC offset (%z/%Ez), such as those
@ -968,8 +972,8 @@ inline std::ostream& operator<<(std::ostream& os, Time t) {
// If the input std::string is "infinite-past", the returned `absl::Time` will be
// `absl::InfinitePast()` and `true` will be returned.
//
bool ParseTime(const std::string& format, const std::string& input,
Time* time, std::string* err);
bool ParseTime(const std::string& format, const std::string& input, Time* time,
std::string* err);
// Like ParseTime() above, but if the format std::string does not contain a UTC
// offset specification (%z/%Ez) then the input is interpreted in the given
@ -994,8 +998,8 @@ bool ParseTime(const std::string& format, const std::string& input, TimeZone tz,
// Note: A UTC offset (or 'Z' indicating a zero-offset from UTC) is required.
//
// Additionally, if you'd like to specify a time as a count of
// seconds/milliseconds/etc from the Unix epoch, use a absl::Duration flag and
// add that duration to absl::UnixEpoch() to get a absl::Time.
// seconds/milliseconds/etc from the Unix epoch, use an absl::Duration flag
// and add that duration to absl::UnixEpoch() to get an absl::Time.
bool ParseFlag(const std::string& text, Time* t, std::string* error);
std::string UnparseFlag(Time t);
@ -1098,7 +1102,7 @@ constexpr Duration MakeDuration(int64_t hi, uint32_t lo = 0) {
}
constexpr Duration MakeDuration(int64_t hi, int64_t lo) {
return time_internal::MakeDuration(hi, static_cast<uint32_t>(lo));
return MakeDuration(hi, static_cast<uint32_t>(lo));
}
// Creates a normalized Duration from an almost-normalized (sec,ticks)
@ -1106,9 +1110,8 @@ constexpr Duration MakeDuration(int64_t hi, int64_t lo) {
// -kTicksPerSecond < *ticks < kTicksPerSecond. If ticks is negative it
// will be normalized to a positive value in the resulting Duration.
constexpr Duration MakeNormalizedDuration(int64_t sec, int64_t ticks) {
return (ticks < 0)
? time_internal::MakeDuration(sec - 1, ticks + kTicksPerSecond)
: time_internal::MakeDuration(sec, ticks);
return (ticks < 0) ? MakeDuration(sec - 1, ticks + kTicksPerSecond)
: MakeDuration(sec, ticks);
}
// Provide access to the Duration representation.
constexpr int64_t GetRepHi(Duration d) { return d.rep_hi_; }