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/* Support for the non-Gregorian calendars.
Copyright (C) 2025-2026 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2025. */
struct calendar_month_name
{
const char *full;
const char *abbrev;
};
struct calendar_date
{
int year;
int month; /* >= 0 */
int day; /* >= 1 */
const struct calendar_month_name *month_names;
};
struct calendar
{
/* Converts a Gregorian date
(greg_year = year, greg_month = month - 1, greg_day = day)
to a date in this calendar and returns 0.
Upon failure, returns -1. */
int (*from_gregorian) (struct calendar_date *result,
int greg_year, int greg_month, int greg_day);
/* Format string for the %x directive. */
const char *d_fmt;
/* Base of alternate digits (assuming UTF-8 encoding). */
unsigned int alt_digits_base;
};
#include "calendar-thai.h"
#include "calendar-persian.h"
#include "calendar-ethiopian.h"
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