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-rw-r--r--absl/time/time.h31
1 files changed, 15 insertions, 16 deletions
diff --git a/absl/time/time.h b/absl/time/time.h
index 33a4a630..37f6131d 100644
--- a/absl/time/time.h
+++ b/absl/time/time.h
@@ -545,7 +545,7 @@ inline std::ostream& operator<<(std::ostream& os, Duration d) {
// suffix. The valid suffixes are "ns", "us" "ms", "s", "m", and "h".
// Simple examples include "300ms", "-1.5h", and "2h45m". Parses "0" as
// `ZeroDuration()`. Parses "inf" and "-inf" as +/- `InfiniteDuration()`.
-bool ParseDuration(const std::string& dur_string, Duration* d);
+bool ParseDuration(absl::string_view dur_string, Duration* d);
// Support for flag values of type Duration. Duration flags must be specified
// in a format that is valid input for absl::ParseDuration().
@@ -1021,13 +1021,13 @@ class TimeZone {
// Loads the named zone. May perform I/O on the initial load of the named
// zone. If the name is invalid, or some other kind of error occurs, returns
// `false` and `*tz` is set to the UTC time zone.
-inline bool LoadTimeZone(const std::string& name, TimeZone* tz) {
+inline bool LoadTimeZone(absl::string_view name, TimeZone* tz) {
if (name == "localtime") {
*tz = TimeZone(time_internal::cctz::local_time_zone());
return true;
}
time_internal::cctz::time_zone cz;
- const bool b = time_internal::cctz::load_time_zone(name, &cz);
+ const bool b = time_internal::cctz::load_time_zone(std::string(name), &cz);
*tz = TimeZone(cz);
return b;
}
@@ -1203,18 +1203,15 @@ struct tm ToTM(Time t, TimeZone tz);
// time with UTC offset. Also note the use of "%Y": RFC3339 mandates that
// years have exactly four digits, but we allow them to take their natural
// width.
-ABSL_DLL extern const char
- RFC3339_full[]; // %Y-%m-%dT%H:%M:%E*S%Ez
-ABSL_DLL extern const char RFC3339_sec[]; // %Y-%m-%dT%H:%M:%S%Ez
+ABSL_DLL extern const char RFC3339_full[]; // %Y-%m-%d%ET%H:%M:%E*S%Ez
+ABSL_DLL extern const char RFC3339_sec[]; // %Y-%m-%d%ET%H:%M:%S%Ez
// RFC1123_full
// RFC1123_no_wday
//
// FormatTime()/ParseTime() format specifiers for RFC1123 date/time strings.
-ABSL_DLL extern const char
- RFC1123_full[]; // %a, %d %b %E4Y %H:%M:%S %z
-ABSL_DLL extern const char
- RFC1123_no_wday[]; // %d %b %E4Y %H:%M:%S %z
+ABSL_DLL extern const char RFC1123_full[]; // %a, %d %b %E4Y %H:%M:%S %z
+ABSL_DLL extern const char RFC1123_no_wday[]; // %d %b %E4Y %H:%M:%S %z
// FormatTime()
//
@@ -1229,6 +1226,7 @@ ABSL_DLL extern const char
// - %E#f - Fractional seconds with # digits of precision
// - %E*f - Fractional seconds with full precision (a literal '*')
// - %E4Y - Four-character years (-999 ... -001, 0000, 0001 ... 9999)
+// - %ET - The RFC3339 "date-time" separator "T"
//
// Note that %E0S behaves like %S, and %E0f produces no characters. In
// contrast %E*f always produces at least one digit, which may be '0'.
@@ -1252,7 +1250,7 @@ ABSL_DLL extern const char
// `absl::InfinitePast()`, the returned string will be exactly "infinite-past".
// In both cases the given format string and `absl::TimeZone` are ignored.
//
-std::string FormatTime(const std::string& format, Time t, TimeZone tz);
+std::string FormatTime(absl::string_view format, Time t, TimeZone tz);
// Convenience functions that format the given time using the RFC3339_full
// format. The first overload uses the provided TimeZone, while the second
@@ -1271,7 +1269,8 @@ inline std::ostream& operator<<(std::ostream& os, Time t) {
// returns the corresponding `absl::Time`. Uses strftime()-like formatting
// options, with the same extensions as FormatTime(), but with the
// exceptions that %E#S is interpreted as %E*S, and %E#f as %E*f. %Ez
-// and %E*z also accept the same inputs.
+// and %E*z also accept the same inputs, which (along with %z) includes
+// 'z' and 'Z' as synonyms for +00:00. %ET accepts either 'T' or 't'.
//
// %Y consumes as many numeric characters as it can, so the matching data
// should always be terminated with a non-numeric. %E4Y always consumes
@@ -1313,7 +1312,7 @@ inline std::ostream& operator<<(std::ostream& os, Time t) {
// If the input 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,
+bool ParseTime(absl::string_view format, absl::string_view input, Time* time,
std::string* err);
// Like ParseTime() above, but if the format string does not contain a UTC
@@ -1323,7 +1322,7 @@ bool ParseTime(const std::string& format, const std::string& input, Time* time,
// of ambiguity or non-existence, in which case the "pre" time (as defined
// by TimeZone::TimeInfo) is returned. For these reasons we recommend that
// all date/time strings include a UTC offset so they're context independent.
-bool ParseTime(const std::string& format, const std::string& input, TimeZone tz,
+bool ParseTime(absl::string_view format, absl::string_view input, TimeZone tz,
Time* time, std::string* err);
// ============================================================================
@@ -1348,8 +1347,8 @@ constexpr Duration MakeDuration(int64_t hi, int64_t lo) {
// it's positive and can be converted to int64_t without risk of UB.
inline Duration MakePosDoubleDuration(double n) {
const int64_t int_secs = static_cast<int64_t>(n);
- const uint32_t ticks =
- static_cast<uint32_t>((n - int_secs) * kTicksPerSecond + 0.5);
+ const uint32_t ticks = static_cast<uint32_t>(
+ (n - static_cast<double>(int_secs)) * kTicksPerSecond + 0.5);
return ticks < kTicksPerSecond
? MakeDuration(int_secs, ticks)
: MakeDuration(int_secs + 1, ticks - kTicksPerSecond);