mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-08-25 03:36:36 +00:00
AK: Implement AK::UnixDateTime::to_string()
Copy implementation of LibCore::DateTime::to_string() to AK. Rename TestDuration.cpp to TestTime.cpp and add there tests for to_string().
This commit is contained in:
Tomasz Strejczek
Andrew Kaster
parent
63d862219e
commit
8f8e51b1fc
Notes:
github-actions[bot]
2025-06-20 00:44:17 +00:00
Author: https://github.com/tomaszstrejczek
Commit: 8f8e51b1fc
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5096
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/R-Goc
Reviewed-by: https://github.com/gmta
4 changed files with 245 additions and 1 deletions
169
AK/Time.cpp
169
AK/Time.cpp
|
|
@ -6,10 +6,15 @@
|
|||
*/
|
||||
|
||||
#include <AK/Checked.h>
|
||||
#include <AK/DateConstants.h>
|
||||
#include <AK/String.h>
|
||||
#include <AK/StringBuilder.h>
|
||||
#include <AK/Time.h>
|
||||
|
||||
#ifdef AK_OS_WINDOWS
|
||||
# include <AK/Windows.h>
|
||||
# define localtime_r(time, tm) localtime_s(tm, time)
|
||||
# define gmtime_r(time, tm) gmtime_s(tm, time)
|
||||
#endif
|
||||
|
||||
namespace AK {
|
||||
|
|
@ -304,4 +309,168 @@ UnixDateTime UnixDateTime::now_coarse()
|
|||
return UnixDateTime { now_time_from_clock(CLOCK_REALTIME_COARSE) };
|
||||
}
|
||||
|
||||
ErrorOr<String> UnixDateTime::to_string(StringView format, LocalTime local_time) const
|
||||
{
|
||||
struct tm tm;
|
||||
|
||||
auto timestamp = m_offset.to_timespec().tv_sec;
|
||||
if (local_time == LocalTime::Yes)
|
||||
(void)localtime_r(×tamp, &tm);
|
||||
else
|
||||
(void)gmtime_r(×tamp, &tm);
|
||||
|
||||
StringBuilder builder;
|
||||
size_t const format_len = format.length();
|
||||
|
||||
for (size_t i = 0; i < format_len; ++i) {
|
||||
if (format[i] != '%') {
|
||||
TRY(builder.try_append(format[i]));
|
||||
} else {
|
||||
if (++i == format_len)
|
||||
return String {};
|
||||
|
||||
switch (format[i]) {
|
||||
case 'a':
|
||||
TRY(builder.try_append(short_day_names[tm.tm_wday]));
|
||||
break;
|
||||
case 'A':
|
||||
TRY(builder.try_append(long_day_names[tm.tm_wday]));
|
||||
break;
|
||||
case 'b':
|
||||
TRY(builder.try_append(short_month_names[tm.tm_mon]));
|
||||
break;
|
||||
case 'B':
|
||||
TRY(builder.try_append(long_month_names[tm.tm_mon]));
|
||||
break;
|
||||
case 'C':
|
||||
TRY(builder.try_appendff("{:02}", (tm.tm_year + 1900) / 100));
|
||||
break;
|
||||
case 'd':
|
||||
TRY(builder.try_appendff("{:02}", tm.tm_mday));
|
||||
break;
|
||||
case 'D':
|
||||
TRY(builder.try_appendff("{:02}/{:02}/{:02}", tm.tm_mon + 1, tm.tm_mday, (tm.tm_year + 1900) % 100));
|
||||
break;
|
||||
case 'e':
|
||||
TRY(builder.try_appendff("{:2}", tm.tm_mday));
|
||||
break;
|
||||
case 'h':
|
||||
TRY(builder.try_append(short_month_names[tm.tm_mon]));
|
||||
break;
|
||||
case 'H':
|
||||
TRY(builder.try_appendff("{:02}", tm.tm_hour));
|
||||
break;
|
||||
case 'I': {
|
||||
int display_hour = tm.tm_hour % 12;
|
||||
if (display_hour == 0)
|
||||
display_hour = 12;
|
||||
TRY(builder.try_appendff("{:02}", display_hour));
|
||||
break;
|
||||
}
|
||||
case 'j':
|
||||
TRY(builder.try_appendff("{:03}", tm.tm_yday + 1));
|
||||
break;
|
||||
case 'l': {
|
||||
int display_hour = tm.tm_hour % 12;
|
||||
if (display_hour == 0)
|
||||
display_hour = 12;
|
||||
TRY(builder.try_appendff("{:2}", display_hour));
|
||||
break;
|
||||
}
|
||||
case 'm':
|
||||
TRY(builder.try_appendff("{:02}", tm.tm_mon + 1));
|
||||
break;
|
||||
case 'M':
|
||||
TRY(builder.try_appendff("{:02}", tm.tm_min));
|
||||
break;
|
||||
case 'n':
|
||||
TRY(builder.try_append('\n'));
|
||||
break;
|
||||
case 'p':
|
||||
TRY(builder.try_append(tm.tm_hour < 12 ? "AM"sv : "PM"sv));
|
||||
break;
|
||||
case 'r': {
|
||||
int display_hour = tm.tm_hour % 12;
|
||||
if (display_hour == 0)
|
||||
display_hour = 12;
|
||||
TRY(builder.try_appendff("{:02}:{:02}:{:02} {}", display_hour, tm.tm_min, tm.tm_sec, tm.tm_hour < 12 ? "AM" : "PM"));
|
||||
break;
|
||||
}
|
||||
case 'R':
|
||||
TRY(builder.try_appendff("{:02}:{:02}", tm.tm_hour, tm.tm_min));
|
||||
break;
|
||||
case 'S':
|
||||
TRY(builder.try_appendff("{:02}", tm.tm_sec));
|
||||
break;
|
||||
case 't':
|
||||
TRY(builder.try_append('\t'));
|
||||
break;
|
||||
case 'T':
|
||||
TRY(builder.try_appendff("{:02}:{:02}:{:02}", tm.tm_hour, tm.tm_min, tm.tm_sec));
|
||||
break;
|
||||
case 'u':
|
||||
TRY(builder.try_appendff("{}", tm.tm_wday ? tm.tm_wday : 7));
|
||||
break;
|
||||
case 'U': {
|
||||
int const wday_of_year_beginning = (tm.tm_wday + 6 * tm.tm_yday) % 7;
|
||||
int const week_number = (tm.tm_yday + wday_of_year_beginning) / 7;
|
||||
TRY(builder.try_appendff("{:02}", week_number));
|
||||
break;
|
||||
}
|
||||
case 'V': {
|
||||
int const wday_of_year_beginning = (tm.tm_wday + 6 + 6 * tm.tm_yday) % 7;
|
||||
int week_number = ((tm.tm_yday + wday_of_year_beginning) / 7) + 1;
|
||||
if (wday_of_year_beginning > 3) {
|
||||
if (tm.tm_yday >= 7 - wday_of_year_beginning) {
|
||||
--week_number;
|
||||
} else {
|
||||
int const days_of_last_year = days_in_year(tm.tm_year + 1900 - 1);
|
||||
int const wday_of_last_year_beginning = (wday_of_year_beginning + 6 * days_of_last_year) % 7;
|
||||
week_number = (days_of_last_year + wday_of_last_year_beginning) / 7 + 1;
|
||||
if (wday_of_last_year_beginning > 3)
|
||||
--week_number;
|
||||
}
|
||||
}
|
||||
TRY(builder.try_appendff("{:02}", week_number));
|
||||
break;
|
||||
}
|
||||
case 'w':
|
||||
TRY(builder.try_appendff("{}", tm.tm_wday));
|
||||
break;
|
||||
case 'W': {
|
||||
int const wday_of_year_beginning = (tm.tm_wday + 6 + 6 * tm.tm_yday) % 7;
|
||||
int const week_number = (tm.tm_yday + wday_of_year_beginning) / 7;
|
||||
TRY(builder.try_appendff("{:02}", week_number));
|
||||
break;
|
||||
}
|
||||
case 'y':
|
||||
TRY(builder.try_appendff("{:02}", (tm.tm_year + 1900) % 100));
|
||||
break;
|
||||
case 'Y':
|
||||
TRY(builder.try_appendff("{}", tm.tm_year + 1900));
|
||||
break;
|
||||
case 'Z': {
|
||||
auto const* timezone_name = tzname[tm.tm_isdst == 0 ? 0 : 1];
|
||||
TRY(builder.try_append({ timezone_name, strlen(timezone_name) }));
|
||||
break;
|
||||
}
|
||||
case '%':
|
||||
TRY(builder.try_append('%'));
|
||||
break;
|
||||
default:
|
||||
TRY(builder.try_append('%'));
|
||||
TRY(builder.try_append(format[i]));
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return builder.to_string();
|
||||
}
|
||||
|
||||
ByteString UnixDateTime::to_byte_string(StringView format, LocalTime local_time) const
|
||||
{
|
||||
return MUST(to_string(format, local_time)).to_byte_string();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
36
AK/Time.h
36
AK/Time.h
|
|
@ -11,6 +11,7 @@
|
|||
#include <AK/Badge.h>
|
||||
#include <AK/Checked.h>
|
||||
#include <AK/Platform.h>
|
||||
#include <AK/StringView.h>
|
||||
#include <AK/Types.h>
|
||||
#ifdef AK_OS_WINDOWS
|
||||
// https://learn.microsoft.com/en-us/windows/win32/api/winsock/ns-winsock-timeval
|
||||
|
|
@ -438,6 +439,41 @@ public:
|
|||
// Never returns a point after this UnixDateTime, since fractional seconds are cut off.
|
||||
[[nodiscard]] i64 truncated_seconds_since_epoch() const { return m_offset.to_truncated_seconds(); }
|
||||
|
||||
enum class LocalTime {
|
||||
Yes,
|
||||
No,
|
||||
};
|
||||
|
||||
// %a: require short day name
|
||||
// %A: require long day name
|
||||
// %h/b: require short month name
|
||||
// %B: require long month name
|
||||
// %C: require short year number (hundreds) (ex: 19 -> 1900)
|
||||
// %d: require day number
|
||||
// %D: require month number/day number/short year number (ex: 12/31/24)
|
||||
// %e: require day number
|
||||
// %H: require hour (24h format)
|
||||
// %I: require hour (12h format)
|
||||
// %j: require defining date with day number ? (not sure)
|
||||
// %m: require set to month entred - 1
|
||||
// %M: require minutes
|
||||
// %n: require newline
|
||||
// %t: require tab
|
||||
// %r/p: require AM | PM
|
||||
// %R: require hours:minutes (ex: 13:57)
|
||||
// %S: require seconds
|
||||
// %T: require hours:minutes:seconds (ex: 13:57:34)
|
||||
// %w: require week day number
|
||||
// %y: require 2 digits year (69 < year < 99: in the 1900 else in 2000)
|
||||
// %Y: require full year
|
||||
// %x: require single number to represent hour and minutes
|
||||
// %X: require sub second precision
|
||||
// %Z: require timezone name
|
||||
// %+: ignore until next '%'
|
||||
// %%: require character '%'
|
||||
ErrorOr<String> to_string(StringView format = "%Y-%m-%d %H:%M:%S"sv, LocalTime = LocalTime::Yes) const;
|
||||
ByteString to_byte_string(StringView format = "%Y-%m-%d %H:%M:%S"sv, LocalTime = LocalTime::Yes) const;
|
||||
|
||||
// Offsetting a UNIX time by a duration yields another UNIX time.
|
||||
constexpr UnixDateTime operator+(Duration const& other) const { return UnixDateTime { m_offset + other }; }
|
||||
constexpr UnixDateTime& operator+=(Duration const& other)
|
||||
|
|
|
|||
|
|
@ -21,7 +21,6 @@ set(AK_TEST_SOURCES
|
|||
TestDisjointChunks.cpp
|
||||
TestDistinctNumeric.cpp
|
||||
TestDoublyLinkedList.cpp
|
||||
TestDuration.cpp
|
||||
TestEndian.cpp
|
||||
TestEnumBits.cpp
|
||||
TestEnumerate.cpp
|
||||
|
|
@ -71,6 +70,7 @@ set(AK_TEST_SOURCES
|
|||
TestStringFloatingPointConversions.cpp
|
||||
TestStringUtils.cpp
|
||||
TestStringView.cpp
|
||||
TestTime.cpp
|
||||
TestTrie.cpp
|
||||
TestTuple.cpp
|
||||
TestTypeTraits.cpp
|
||||
|
|
|
|||
|
|
@ -647,3 +647,42 @@ TEST_CASE(from_unix_time_parts_overflow)
|
|||
EXPECT_DURATION(UnixDateTime::from_unix_time_parts(2'147'483'647, 12, 255, 255, 255, 255, 65535).offset_to_epoch(), 67767976253733620, 535'000'000);
|
||||
EXPECT_DURATION(UnixDateTime::from_unix_time_parts(2'147'483'647, 255, 255, 255, 255, 255, 65535).offset_to_epoch(), 67767976202930420, 535'000'000);
|
||||
}
|
||||
|
||||
TEST_CASE(time_to_string)
|
||||
{
|
||||
auto test = [](auto format, auto expected, i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second) {
|
||||
auto result = AK::UnixDateTime::from_unix_time_parts(year, month, day, hour, minute, second, 0).to_string(format, AK::UnixDateTime::LocalTime::No);
|
||||
VERIFY(!result.is_error());
|
||||
|
||||
EXPECT_EQ(expected, result.value());
|
||||
};
|
||||
|
||||
test("%Y/%m/%d %R"sv, "2023/01/23 10:50"sv, 2023, 1, 23, 10, 50, 10);
|
||||
|
||||
// two-digit year and century
|
||||
test("%y %C"sv, "23 20"sv, 2023, 1, 23, 10, 50, 10);
|
||||
|
||||
// zero- and space-padded day, and %D shortcut
|
||||
test("%d %e"sv, "05 5"sv, 2023, 1, 5, 0, 0, 0);
|
||||
test("%D"sv, "01/23/23"sv, 2023, 1, 23, 0, 0, 0);
|
||||
|
||||
// full time and seconds
|
||||
test("%T"sv, "10:50:10"sv, 2023, 1, 23, 10, 50, 10);
|
||||
test("%S"sv, "05"sv, 2023, 1, 1, 0, 0, 5);
|
||||
|
||||
// 12-hour clock with AM/PM
|
||||
test("%H %I %p"sv, "00 12 AM"sv, 2023, 1, 5, 0, 0, 0);
|
||||
test("%H %I %p"sv, "15 03 PM"sv, 2023, 1, 5, 15, 0, 0);
|
||||
|
||||
// short/long weekday and month names
|
||||
test("%a %A"sv, "Mon Monday"sv, 2023, 1, 23, 0, 0, 0);
|
||||
test("%b %B"sv, "Jan January"sv, 2023, 1, 5, 0, 0, 0);
|
||||
|
||||
// numeric weekday and day‐of‐year
|
||||
test("%w %j"sv, "1 023"sv, 2023, 1, 23, 0, 0, 0);
|
||||
|
||||
// newline, tab and literal '%'
|
||||
test("%n"sv, "\n"sv, 2023, 1, 1, 0, 0, 0);
|
||||
test("%t"sv, "\t"sv, 2023, 1, 1, 0, 0, 0);
|
||||
test("%%"sv, "%"sv, 2023, 1, 1, 0, 0, 0);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue