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Diffstat (limited to 'e-util/e-time-utils.c')
| -rw-r--r-- | e-util/e-time-utils.c | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/e-util/e-time-utils.c b/e-util/e-time-utils.c deleted file mode 100644 index bb051986da..0000000000 --- a/e-util/e-time-utils.c +++ /dev/null @@ -1,369 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Time utility functions - * - * Author: - * Damon Chaplin (damon@ximian.com) - * - * (C) 2001 Ximian, Inc. - */ - -#include <config.h> - -/* We need this for strptime. */ -#define _XOPEN_SOURCE 500 -#define __USE_XOPEN -#include <time.h> -#include <sys/time.h> -#undef _XOPEN_SOURCE -#undef __USE_XOPEN - -#include <string.h> -#include <ctype.h> -#include <glib.h> -#include <libgnome/gnome-defs.h> -#include <libgnome/gnome-i18n.h> -#include "e-time-utils.h" - - -/* Returns whether a string is NULL, empty, or full of whitespace */ -static gboolean -string_is_empty (const char *value) -{ - const char *p; - gboolean empty = TRUE; - - if (value) { - p = value; - while (*p) { - if (!isspace (*p)) { - empty = FALSE; - break; - } - p++; - } - } - return empty; -} - - -/* - * Parses a string containing a date and a time. The date is expected to be - * in a format something like "Wed 3/13/00 14:20:00", though we use gettext - * to support the appropriate local formats and we try to accept slightly - * different formats, e.g. the weekday can be skipped and we can accept 12-hour - * formats with an am/pm string. - * - * Returns E_TIME_PARSE_OK if it could not be parsed, E_TIME_PARSE_NONE if it - * was empty, or E_TIME_PARSE_INVALID if it couldn't be parsed. - */ -ETimeParseStatus -e_time_parse_date_and_time (const char *value, - struct tm *result) -{ - struct tm time_tm; - struct tm *today_tm; - time_t t; - const char *pos, *parse_end; - char *format[4]; - gboolean parsed_date = FALSE, parsed_time = FALSE; - gint i; - - if (string_is_empty (value)) { - memset (result, 0, sizeof (*result)); - result->tm_isdst = -1; - return E_TIME_PARSE_NONE; - } - - pos = value; - - /* Skip everything up to the first digit. */ - while (!isdigit (*pos)) - pos++; - - memset (result, 0, sizeof (*result)); - /* strptime format for a date. */ - parse_end = strptime (pos, _("%m/%d/%Y"), result); - if (parse_end) { - pos = parse_end; - parsed_date = TRUE; - } - - /* FIXME: Skip everything up to the first digit. I hope the am/pm flag - never gets entered first - it does in Japanese, so fix this. */ - while (!isdigit (*pos)) - pos++; - - - /* strptime format for a time of day, in 12-hour format. */ - format[0] = _("%I:%M:%S %p"); - - /* strptime format for a time of day, in 24-hour format. */ - format[1] = _("%H:%M:%S"); - - /* strptime format for time of day, without seconds, 12-hour format. */ - format[2] = _("%I:%M %p"); - - /* strptime format for time of day, without seconds 24-hour format. */ - format[3] = _("%H:%M"); - - for (i = 0; i < sizeof (format) / sizeof (format[0]); i++) { - memset (&time_tm, 0, sizeof (time_tm)); - parse_end = strptime (pos, format[i], &time_tm); - if (parse_end) { - pos = parse_end; - parsed_time = TRUE; - break; - } - } - - /* Skip any whitespace. */ - while (isspace (*pos)) - pos++; - - /* If we haven't already parsed a date, try again. */ - if (!parsed_date) { - memset (result, 0, sizeof (*result)); - /* strptime format for a date. */ - parse_end = strptime (pos, _("%m/%d/%Y"), result); - if (parse_end) { - pos = parse_end; - parsed_date = TRUE; - } - } - - /* If we don't have a date or a time it must be invalid. */ - if (!parsed_date && !parsed_time) - return E_TIME_PARSE_INVALID; - - if (parsed_date) { - /* If a 2-digit year was used we use the current century. */ - if (result->tm_year < 0) { - t = time (NULL); - today_tm = localtime (&t); - - /* This should convert it into a value from 0 to 99. */ - result->tm_year += 1900; - - /* Now add on the century. */ - result->tm_year += today_tm->tm_year - - (today_tm->tm_year % 100); - } - } else { - /* If we didn't get a date we use the current day. */ - t = time (NULL); - today_tm = localtime (&t); - result->tm_mday = today_tm->tm_mday; - result->tm_mon = today_tm->tm_mon; - result->tm_year = today_tm->tm_year; - } - - if (parsed_time) { - result->tm_hour = time_tm.tm_hour; - result->tm_min = time_tm.tm_min; - result->tm_sec = time_tm.tm_sec; - } else { - result->tm_hour = 0; - result->tm_min = 0; - result->tm_sec = 0; - } - - result->tm_isdst = -1; - - return E_TIME_PARSE_OK; -} - -/* Takes a number of format strings for strptime() and attempts to parse a - * string with them. - */ -static ETimeParseStatus -parse_with_strptime (const char *value, struct tm *result, const char **formats, int n_formats) -{ - const char *pos, *parse_end; - gboolean parsed; - int i; - - if (string_is_empty (value)) { - memset (result, 0, sizeof (*result)); - result->tm_isdst = -1; - return E_TIME_PARSE_NONE; - } - - pos = value; - - /* Skip whitespace */ - while (isspace (*pos)) - pos++; - - /* Try each of the formats in turn */ - - for (i = 0; i < n_formats; i++) { - memset (result, 0, sizeof (*result)); - parse_end = strptime (pos, formats[i], result); - if (parse_end) { - pos = parse_end; - parsed = TRUE; - break; - } - } - - result->tm_isdst = -1; - - /* If we could not parse it it must be invalid. */ - if (!parsed) - return E_TIME_PARSE_INVALID; - - return E_TIME_PARSE_OK; -} - - -/** - * e_time_parse_date: - * @value: A date string. - * @result: Return value for the parsed date. - * - * Takes in a date string entered by the user and tries to convert it to - * a struct tm. - * - * Return value: Result code indicating whether the @value was an empty - * string, a valid date, or an invalid date. - **/ -ETimeParseStatus -e_time_parse_date (const char *value, struct tm *result) -{ - const char *format[4]; - - g_return_val_if_fail (value != NULL, E_TIME_PARSE_INVALID); - g_return_val_if_fail (result != NULL, E_TIME_PARSE_INVALID); - - /* This is the preferred date format for the locale. */ - format[0] = _("%m/%d/%Y"); - - /* This is the second-choice date format for the locale, which we use - if previous attempts to parse the date string failed. */ - format[1] = _("%d/%m/%Y"); - - /* This is the third-choice date format for the locale, which we use - if previous attempts to parse the date string failed. */ - format[2] = _("%Y/%m/%d"); - - /* This is the final-choice date format for the locale, which we use - if previous attempts to parse the date string failed. */ - format[3] = _("%x"); /* catch-all give-up strptime()-sucks format */ - - return parse_with_strptime (value, result, format, sizeof (format) / sizeof (format[0])); -} - - -/* - * Parses a string containing a time. It is expected to be in a format - * something like "14:20:00", though we use gettext to support the appropriate - * local formats and we try to accept slightly different formats, e.g. we can - * accept 12-hour formats with an am/pm string. - * - * Returns E_TIME_PARSE_OK if it could not be parsed, E_TIME_PARSE_NONE if it - * was empty, or E_TIME_PARSE_INVALID if it couldn't be parsed. - */ -ETimeParseStatus -e_time_parse_time (const char *value, struct tm *result) -{ - const char *format[4]; - - /* strptime format for a time of day, in 12-hour format. - If it is not appropriate in the locale set to an empty string. */ - format[0] = _("%I:%M:%S %p"); - - /* strptime format for a time of day, in 24-hour format. */ - format[1] = _("%H:%M:%S"); - - /* strptime format for time of day, without seconds, 12-hour format. - If it is is not appropriate in the locale set to an empty string. */ - format[2] = _("%I:%M %p"); - - /* strptime format for time of day, without seconds 24-hour format. */ - format[3] = _("%H:%M"); - - return parse_with_strptime (value, result, format, sizeof (format) / sizeof (format[0])); -} - - -/* Creates a string representation of a time value and stores it in buffer. - buffer_size should be about 64 to be safe. If show_midnight is FALSE, and - the time is midnight, then we just show the date. If show_zero_seconds - is FALSE, then if the time has zero seconds only the hour and minute are - shown. */ -void -e_time_format_date_and_time (struct tm *date_tm, - gboolean use_24_hour_format, - gboolean show_midnight, - gboolean show_zero_seconds, - char *buffer, - int buffer_size) -{ - char *format; - - if (!show_midnight && date_tm->tm_hour == 0 - && date_tm->tm_min == 0 && date_tm->tm_sec == 0) { - /* strftime format of a weekday and a date. */ - format = _("%a %m/%d/%Y"); - } else if (use_24_hour_format) { - if (!show_zero_seconds && date_tm->tm_sec == 0) - /* strftime format of a weekday, a date and a - time, in 24-hour format, without seconds. */ - format = _("%a %m/%d/%Y %H:%M"); - else - /* strftime format of a weekday, a date and a - time, in 24-hour format. */ - format = _("%a %m/%d/%Y %H:%M:%S"); - } else { - if (!show_zero_seconds && date_tm->tm_sec == 0) - /* strftime format of a weekday, a date and a - time, in 12-hour format, without seconds. */ - format = _("%a %m/%d/%Y %I:%M %p"); - else - /* strftime format of a weekday, a date and a - time, in 12-hour format. */ - format = _("%a %m/%d/%Y %I:%M:%S %p"); - } - - /* strftime returns 0 if the string doesn't fit, and leaves the buffer - undefined, so we set it to the empty string in that case. */ - if (strftime (buffer, buffer_size, format, date_tm) == 0) - buffer[0] = '\0'; -} - - -/* Creates a string representation of a time value and stores it in buffer. - buffer_size should be about 64 to be safe. */ -void -e_time_format_time (struct tm *date_tm, - gboolean use_24_hour_format, - gboolean show_zero_seconds, - char *buffer, - int buffer_size) -{ - char *format; - - if (use_24_hour_format) { - if (!show_zero_seconds && date_tm->tm_sec == 0) - /* strftime format of a time in 24-hour format, - without seconds. */ - format = _("%H:%M"); - else - /* strftime format of a time in 24-hour format. */ - format = _("%H:%M:%S"); - } else { - if (!show_zero_seconds && date_tm->tm_sec == 0) - /* strftime format of a time in 12-hour format, - without seconds. */ - format = _("%I:%M %p"); - else - /* strftime format of a time in 12-hour format. */ - format = _("%I:%M:%S %p"); - } - - /* strftime returns 0 if the string doesn't fit, and leaves the buffer - undefined, so we set it to the empty string in that case. */ - if (strftime (buffer, buffer_size, format, date_tm) == 0) - buffer[0] = '\0'; -} |