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remwharead
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Allow conversion from/to SQLite datetime.

This commit is contained in:
tastytea 2019-05-16 00:03:57 +02:00
parent f636215b8d
commit c17b7e89f1
Signed by: tastytea
GPG Key ID: CFC39497F1B26E07
2 changed files with 23 additions and 8 deletions
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22
src/time.cpp
View File

@ -20,17 +20,24 @@
#include <cstdint>
#include "time.hpp"
const time_point string_to_timepoint(const string &strtime)
const time_point string_to_timepoint(const string &strtime, bool sqlite)
{
std::stringstream sstime(strtime);
struct std::tm tm = {};
tm.tm_isdst = -1; // Detect daylight saving time.
sstime >> std::get_time(&tm, "%Y-%m-%dT%T");
if (sqlite)
{
sstime >> std::get_time(&tm, "%Y-%m-%d %T");
}
else
{
sstime >> std::get_time(&tm, "%Y-%m-%dT%T");
}
std::time_t time = timelocal(&tm); // Assume time is local.
return system_clock::from_time_t(time);
}
const string timepoint_to_string(const time_point &tp)
const string timepoint_to_string(const time_point &tp, bool sqlite)
{
constexpr std::uint16_t bufsize = 32;
std::time_t time = system_clock::to_time_t(tp);
@ -38,7 +45,14 @@ const string timepoint_to_string(const time_point &tp)
tm = std::localtime(&time);
char buffer[bufsize];
std::strftime(buffer, bufsize, "%FT%T", tm);
if (sqlite)
{
std::strftime(buffer, bufsize, "%F %T", tm);
}
else
{
std::strftime(buffer, bufsize, "%FT%T", tm);
}
return static_cast<const string>(buffer);
}

9
src/time.hpp
View File

@ -24,10 +24,11 @@ using std::string;
using std::chrono::system_clock;
using time_point = system_clock::time_point;
// Convert ISO 8601 time-string to time_point.
const time_point string_to_timepoint(const string &strtime);
// Convert ISO 8601 time-string or SQLite time-string to time_point.
const time_point string_to_timepoint(const string &strtime,
bool sqlite = false);
// Convert time_point to USO 8601 time-string.
const string timepoint_to_string(const time_point &tp);
// Convert time_point to USO 8601 time-string or SQLite time-string.
const string timepoint_to_string(const time_point &tp, bool sqlite = false);
#endif // REMWHAREAD_TIME_HPP