time/ISO8601: ParseISO8601() returns precision

This commit is contained in:
Max Kellermann 2019-08-19 22:28:14 +02:00
parent 48b122f2ed
commit 1a08bdf16f
3 changed files with 19 additions and 4 deletions

View File

@ -113,7 +113,7 @@ ParseTimeStamp(const char *s)
return std::chrono::system_clock::from_time_t((time_t)value);
/* try ISO 8601 */
return ParseISO8601(s);
return ParseISO8601(s).first;
}
static constexpr bool

View File

@ -58,7 +58,8 @@ FormatISO8601(std::chrono::system_clock::time_point tp)
return FormatISO8601(GmTime(tp));
}
std::chrono::system_clock::time_point
std::pair<std::chrono::system_clock::time_point,
std::chrono::system_clock::duration>
ParseISO8601(const char *s)
{
assert(s != nullptr);
@ -73,6 +74,10 @@ ParseISO8601(const char *s)
if (end == nullptr || *end != 0)
throw std::runtime_error("Failed to parse time stamp");
return TimeGm(tm);
std::chrono::system_clock::duration precision = std::chrono::seconds(1);
auto tp = TimeGm(tm);
return std::make_pair(tp, precision);
#endif /* !_WIN32 */
}

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@ -36,6 +36,7 @@
#include "util/Compiler.h"
#include <chrono>
#include <utility>
#include <stddef.h>
@ -50,7 +51,16 @@ gcc_pure
StringBuffer<64>
FormatISO8601(std::chrono::system_clock::time_point tp);
std::chrono::system_clock::time_point
/**
* Parse a time stamp in ISO8601 format.
*
* Throws on error.
*
* @return a pair consisting of the time point and the specified
* precision; e.g. for a date, the second value is "one day"
*/
std::pair<std::chrono::system_clock::time_point,
std::chrono::system_clock::duration>
ParseISO8601(const char *s);
#endif