A modern Pawn library for working with dates and times.
Simply install to your project:
sampctl package install Southclaws/pawn-chronoInclude in your code and begin using the library:
#include <chrono>Or, if you're oldschool, check the GitHub Releases Page.
This library provides functions, constants string constants and functions for working with times and dates.
Tags are important, you should avoid passing around bare integers as timestamp or duration values. Tagging your variables helps catch mistakes during compilation.
These tags are also used by this library to provide useful conversion functions between units of time.
Timestamp:A tag that indicates a cell contains a Unix timestamp.Milliseconds:Cell contains milliseconds duration.Seconds:Cell contains seconds duration.Minutes: Cell contains minutes duration.Hours: Cell contains hours duration.Days: Cell contains days duration.Weeks: Cell contains weeks duration.Months: Cell contains months duration.Years: Cell contains years duration.
There also exists TIME_UNITS which is a macro for all time unit tags, this is
useful if you write a function that accepts any unit of time - remember to use
tagof for runtime checking!
There are a set of constants that follow the naming convention:
UnitInUnits
This includes:
SecondInMilliseconds
Going all the way up to
YearInDays
For expressive conversions between units. For example, to get 5 minutes in
seconds, you can simple do:
new Seconds:s = Seconds:(5 * _:MinuteInSeconds);See the source code for all the unit constants.
A tag-safe replacement for gettime(). Does not take arguments like gettime
does, always returns the current number of seconds since the Unix epoch.
new Timestamp:now = Now();
printf("%d", _:now); // prints a large number, like 1528015380A formatting function that takes a Timestamp: with a format string and outputs
a formatted time string using the standard C/++ specifiers (like %Y for
4-digit year, %m for month, etc.)
For example:
new
Timestamp:ts = Timestamp:1527929232,
output[256];
TimeFormat(ts, WEEKDAY_NAME, output);
print(output);Will print Saturday.
new
Timestamp:ts = Timestamp:1527929232,
output[256];
TimeFormat(ts, MONTH_NAME, output);
print(output);Will print June.
In the old ctime plugin, this would have looked like:
new Time:unix = Time:gettime();
new time[e_tm];
localtime(unix, time);
new buf[128];
strftime(buf, sizeof(buf), "%A", tm); // buf: SaturdayAs you can see, chrono removes the need to first convert a unix timestamp to a
e_tm structure before using it in strftime.
There are also a set of templates for standard formats:
HUMAN_DATE:31/05/18ISO6801_TIME:09:55:22ISO6801_DATE:2018-05-31ISO6801_FULL_UTC:2018-05-31T09:55:22ZISO6801_FULL_LOCAL:2018-05-31T09:55:22
For example, to create an ISO-8601 standard format date:
new
Timestamp:ts = Timestamp:1527929232,
output[256];
TimeFormat(ts, ISO6801_FULL_UTC, output);
print(output);Will print 2018-06-02T08:47:12Z.
Because this is a standard format, it will easily be processed by most modern programming languages and databases.
A parser for strings containing dates and times that uses the C/++ specifiers to
perform the reverse of TimeFormat.
For example:
new Timestamp:ts, ret;
ret = TimeParse("2018-06-02T08:47:12Z", ISO6801_FULL_UTC, ts);
printf("%d", _:ts);Will print 1527929232.
Parses duration strings and outputs their values in milliseconds, for example:
5ms>55s>500010m>6000003h>108000001d>864000008m5s>4850001d3h10m5s5ms>97805005
Casts timestamp difference to Seconds: for usage in duration-based functions.
Where T is one of Seconds, Minutes, Hours or Days.
For example:
new
Timestamp:t = Timestamp:1527929232,
Minutes:d = Minutes:5;
t += d;
// t is now 1527929532, aka advanced by 5 minutes, aka advanced by 300 secondsBecause d is tagged as Minutes, when it's added to t with +=, it doesn't
just add the integer 5, it adds the seconds value of 5 minutes, which is 300.
To run unit tests for Windows first build the plugin using Visual Studio, then:
make test-windowsTo build and run tests for Linux on Windows, make sure you have Docker installed and run:
make build-linux
make test-linuxThis simply builds the plugin in a Docker container then tests it with sampctl
using the --container flag to run it in a Linux container.
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