Files
fastfetch/src/modules/datetime/datetime.c
T
2026-05-28 15:58:08 +08:00

190 lines
8.6 KiB
C

#include "common/time.h"
#include "common/printing.h"
#include "common/jsonconfig.h"
#include "common/strutil.h"
#include "modules/datetime/datetime.h"
#include <time.h>
#pragma GCC diagnostic ignored "-Wformat" // warning: unknown conversion type character 'F' in format
#define FF_DATETIME_DISPLAY_NAME "Date & Time"
typedef struct FFDateTimeResult {
// Examples for 21.02.2022 - 15:18:37
uint16_t year; // 2022
uint8_t yearShort; // 22
uint8_t month; // 2
char monthPretty[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // 02
char monthName[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // February
char monthNameShort[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // Feb
uint8_t week; // 8
char weekday[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // Monday
char weekdayShort[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // Mon
uint16_t dayInYear; // 52
uint8_t dayInMonth; // 21
uint8_t dayInWeek; // 1
char dayPretty[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // 01
uint8_t hour; // 15
char hourPretty[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // 15
uint8_t hour12; // 3
char hour12Pretty[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // 03
uint8_t minute; // 18
char minutePretty[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // 18
uint8_t second; // 37
char secondPretty[FASTFETCH_STRBUF_DEFAULT_ALLOC]; // 37
char offsetFromUtc[FASTFETCH_STRBUF_DEFAULT_ALLOC];
char timezoneName[FASTFETCH_STRBUF_DEFAULT_ALLOC];
char amPm[FASTFETCH_STRBUF_DEFAULT_ALLOC];
} FFDateTimeResult;
static void printDateTimeFormat(struct tm* tm, const FFModuleArgs* moduleArgs) {
FFDateTimeResult result;
result.year = (uint16_t) (tm->tm_year + 1900);
result.yearShort = (uint8_t) (result.year % 100);
result.month = (uint8_t) (tm->tm_mon + 1);
strftime(result.monthPretty, sizeof(result.monthPretty), "%m", tm);
strftime(result.monthName, sizeof(result.monthName), "%B", tm);
strftime(result.monthNameShort, sizeof(result.monthNameShort), "%b", tm);
result.week = (uint8_t) (tm->tm_yday / 7 + 1);
strftime(result.weekday, sizeof(result.weekday), "%A", tm);
strftime(result.weekdayShort, sizeof(result.weekdayShort), "%a", tm);
result.dayInYear = (uint8_t) (tm->tm_yday + 1);
result.dayInMonth = (uint8_t) tm->tm_mday;
result.dayInWeek = tm->tm_wday == 0 ? 7 : (uint8_t) tm->tm_wday;
strftime(result.dayPretty, sizeof(result.dayPretty), "%d", tm);
result.hour = (uint8_t) tm->tm_hour;
strftime(result.hourPretty, sizeof(result.hourPretty), "%H", tm);
result.hour12 = (uint8_t) (result.hour % 12);
strftime(result.hour12Pretty, sizeof(result.hour12Pretty), "%I", tm);
result.minute = (uint8_t) tm->tm_min;
strftime(result.minutePretty, sizeof(result.minutePretty), "%M", tm);
result.second = (uint8_t) tm->tm_sec;
strftime(result.secondPretty, sizeof(result.secondPretty), "%S", tm);
strftime(result.offsetFromUtc, sizeof(result.offsetFromUtc), "%z", tm);
strftime(result.timezoneName, sizeof(result.timezoneName), "%Z", tm);
strftime(result.amPm, sizeof(result.amPm), "%p", tm);
FF_PRINT_FORMAT_CHECKED(
FF_DATETIME_DISPLAY_NAME,
0,
moduleArgs,
FF_PRINT_TYPE_DEFAULT,
((FFformatarg[]){
FF_ARG(result.year, "year"), // 1
FF_ARG(result.yearShort, "year-short"), // 2
FF_ARG(result.month, "month"), // 3
FF_ARG(result.monthPretty, "month-pretty"), // 4
FF_ARG(result.monthName, "month-name"), // 5
FF_ARG(result.monthNameShort, "month-name-short"), // 6
FF_ARG(result.week, "week"), // 7
FF_ARG(result.weekday, "weekday"), // 8
FF_ARG(result.weekdayShort, "weekday-short"), // 9
FF_ARG(result.dayInYear, "day-in-year"), // 10
FF_ARG(result.dayInMonth, "day-in-month"), // 11
FF_ARG(result.dayInWeek, "day-in-week"), // 12
FF_ARG(result.hour, "hour"), // 13
FF_ARG(result.hourPretty, "hour-pretty"), // 14
FF_ARG(result.hour12, "hour-12"), // 15
FF_ARG(result.hour12Pretty, "hour-12-pretty"), // 16
FF_ARG(result.minute, "minute"), // 17
FF_ARG(result.minutePretty, "minute-pretty"), // 18
FF_ARG(result.second, "second"), // 19
FF_ARG(result.secondPretty, "second-pretty"), // 20
FF_ARG(result.offsetFromUtc, "offset-from-utc"), // 21
FF_ARG(result.timezoneName, "timezone-name"), // 22
FF_ARG(result.dayPretty, "day-pretty"), // 23
FF_ARG(result.amPm, "am-pm"), // 24
}));
}
bool ffPrintDateTime(FFDateTimeOptions* options) {
uint64_t msNow = ffTimeGetNow();
time_t sNow = (time_t) (msNow / 1000);
struct tm* tm = localtime(&sNow);
if (options->moduleArgs.outputFormat.length > 0) {
printDateTimeFormat(tm, &options->moduleArgs);
return true;
}
char buffer[32];
if (strftime(buffer, ARRAY_SIZE(buffer), "%F %T", tm) == 0) // yyyy-MM-dd HH:mm:ss
{
ffPrintError(FF_DATETIME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "strftime() failed");
return false;
}
ffPrintLogoAndKey(FF_DATETIME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
puts(buffer);
return true;
}
void ffParseDateTimeJsonObject(FFDateTimeOptions* options, yyjson_val* module) {
yyjson_val *key, *val;
size_t idx, max;
yyjson_obj_foreach (module, idx, max, key, val) {
if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs)) {
continue;
}
ffPrintError(FF_DATETIME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
}
}
void ffGenerateDateTimeJsonConfig(FFDateTimeOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
}
bool ffGenerateDateTimeJsonResult(FF_A_UNUSED FFDateTimeOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
yyjson_mut_obj_add_strcpy(doc, module, "result", ffTimeToFullStr(ffTimeGetNow()));
return true;
}
void ffInitDateTimeOptions(FFDateTimeOptions* options) {
ffOptionInitModuleArg(&options->moduleArgs, "");
}
void ffDestroyDateTimeOptions(FFDateTimeOptions* options) {
ffOptionDestroyModuleArg(&options->moduleArgs);
}
FFModuleBaseInfo ffDateTimeModuleInfo = {
.name = FF_DATETIME_MODULE_NAME,
.description = "Print the current date and time",
.initOptions = (void*) ffInitDateTimeOptions,
.destroyOptions = (void*) ffDestroyDateTimeOptions,
.parseJsonObject = (void*) ffParseDateTimeJsonObject,
.printModule = (void*) ffPrintDateTime,
.generateJsonResult = (void*) ffGenerateDateTimeJsonResult,
.generateJsonConfig = (void*) ffGenerateDateTimeJsonConfig,
.formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]){
{ "Year", "year" },
{ "Last two digits of year", "year-short" },
{ "Month", "month" },
{ "Month with leading zero", "month-pretty" },
{ "Month name", "month-name" },
{ "Month name short", "month-name-short" },
{ "Week number on year", "week" },
{ "Weekday", "weekday" },
{ "Weekday short", "weekday-short" },
{ "Day in year", "day-in-year" },
{ "Day in month", "day-in-month" },
{ "Day in week", "day-in-week" },
{ "Hour", "hour" },
{ "Hour with leading zero", "hour-pretty" },
{ "Hour 12h format", "hour-12" },
{ "Hour 12h format with leading zero", "hour-12-pretty" },
{ "Minute", "minute" },
{ "Minute with leading zero", "minute-pretty" },
{ "Second", "second" },
{ "Second with leading zero", "second-pretty" },
{ "Offset from UTC in the ISO 8601 format", "offset-from-utc" },
{ "Locale-dependent timezone name or abbreviation", "timezone-name" },
{ "Day in month with leading zero", "day-pretty" },
{ "AM or PM", "am-pm" },
}))
};