diff options
author | nobody <nobody@localhost> | 2001-06-23 13:14:10 +0800 |
---|---|---|
committer | nobody <nobody@localhost> | 2001-06-23 13:14:10 +0800 |
commit | 2bbe5d3421eefbcac7d9f3e16d3ea09e96a2bc10 (patch) | |
tree | a4eb5e010ba601de261dc3f9da4dd4b86fcc46fe /camel/broken-date-parser.c | |
parent | 72ca61d74b9942040638b628a6f1358e02d23d42 (diff) | |
download | gsoc2013-evolution-GNUMERIC_0_66.tar gsoc2013-evolution-GNUMERIC_0_66.tar.gz gsoc2013-evolution-GNUMERIC_0_66.tar.bz2 gsoc2013-evolution-GNUMERIC_0_66.tar.lz gsoc2013-evolution-GNUMERIC_0_66.tar.xz gsoc2013-evolution-GNUMERIC_0_66.tar.zst gsoc2013-evolution-GNUMERIC_0_66.zip |
This commit was manufactured by cvs2svn to create tagGNUMERIC_0_66
'GNUMERIC_0_66'.
svn path=/tags/GNUMERIC_0_66/; revision=10420
Diffstat (limited to 'camel/broken-date-parser.c')
-rw-r--r-- | camel/broken-date-parser.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/camel/broken-date-parser.c b/camel/broken-date-parser.c deleted file mode 100644 index 4e168efb64..0000000000 --- a/camel/broken-date-parser.c +++ /dev/null @@ -1,318 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Authors: Jeffrey Stedfast <fejj@helixcode.com> - * - * Copyright 2000 Helix Code, Inc. (www.helixcode.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "broken-date-parser.h" - -/* prototypes for functions dealing with broken date formats */ -static GList *datetok (const gchar *date); -static gint get_days_in_month (gint mon, gint year); -static gint get_weekday (gchar *str); -static gint get_month (gchar *str); - -static char *tz_months [] = { - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" -}; - -/***************************************************************************** - * The following functions are here in the case of badly broken date formats * - * * - * -- fejj@helixcode.com * - *****************************************************************************/ - -typedef struct { - gchar dow[6]; /* day of week (should only need 4 chars) */ - gint day; - gint mon; /* 1->12 or 0 if invalid */ - gint year; - gint hour; - gint min; - gint sec; - gchar zone[6]; /* time zone */ -} date_t; - -static -GList *datetok (const gchar *date) -{ - GList *tokens = NULL; - gchar *token, *start, *end; - - start = (gchar *) date; - while (*start) { - /* find the end of this token */ - for (end = start; *end && *end != ' '; end++); - - token = g_strndup (start, (end - start)); - - if (token && *token) - tokens = g_list_append (tokens, token); - else - g_free (token); - - if (*end) - start = end + 1; - else - break; - } - - return tokens; -} - -static gint -get_days_in_month (gint mon, gint year) -{ - switch (mon) { - case 1: case 3: case 5: case 7: case 8: case 10: case 12: - return 31; - case 4: case 6: case 9: case 11: - return 30; - case 2: - if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) - return 29; - return 28; - default: - return 30; - } -} - -static gint -get_weekday (gchar *str) -{ - g_return_val_if_fail ((str != NULL), 0); - - if (strncmp (str, "Mon", 3) == 0) { - return 1; - } else if (strncmp (str, "Tue", 3) == 0) { - return 2; - } else if (strncmp (str, "Wed", 3) == 0) { - return 3; - } else if (strncmp (str, "Thu", 3) == 0) { - return 4; - } else if (strncmp (str, "Fri", 3) == 0) { - return 5; - } else if (strncmp (str, "Sat", 3) == 0) { - return 6; - } else if (strncmp (str, "Sun", 3) == 0) { - return 7; - } - - return 0; /* unknown week day */ -} - -static gint -get_month (gchar *str) -{ - g_return_val_if_fail (str != NULL, 0); - - if (strncmp (str, "Jan", 3) == 0) { - return 1; - } else if (strncmp (str, "Feb", 3) == 0) { - return 2; - } else if (strncmp (str, "Mar", 3) == 0) { - return 3; - } else if (strncmp (str, "Apr", 3) == 0) { - return 4; - } else if (strncmp (str, "May", 3) == 0) { - return 5; - } else if (strncmp (str, "Jun", 3) == 0) { - return 6; - } else if (strncmp (str, "Jul", 3) == 0) { - return 7; - } else if (strncmp (str, "Aug", 3) == 0) { - return 8; - } else if (strncmp (str, "Sep", 3) == 0) { - return 9; - } else if (strncmp (str, "Oct", 3) == 0) { - return 10; - } else if (strncmp (str, "Nov", 3) == 0) { - return 11; - } else if (strncmp (str, "Dec", 3) == 0) { - return 12; - } - - return 0; /* unknown month */ -} - -gchar * -parse_broken_date (const gchar *datestr) -{ - GList *tokens; - date_t date; - gchar *token, *ptr, *newdatestr; - guint len, i, retval; - gdouble tz = 0.0; - - memset ((void*)&date, 0, sizeof (date_t)); - g_return_val_if_fail (datestr != NULL, NULL); - - tokens = datetok (datestr); - len = g_list_length (tokens); - for (i = 0; i < len; i++) { - token = g_list_nth_data (tokens, i); - - if ((retval = get_weekday (token))) { - strncpy (date.dow, datestr, 4); - } else if ((retval = get_month (token))) { - date.mon = retval; - } else if (strlen (token) <= 2) { - /* this could be a 1 or 2 digit day of the month */ - for (retval = 1, ptr = token; *ptr; ptr++) - if (*ptr < '0' || *ptr > '9') - retval = 0; - - if (retval && atoi (token) <= 31 && !date.day) /* probably should find a better way */ - date.day = atoi (token); - else /* fubar'd client using a 2-digit year */ - date.year = atoi (token) < 69 ? 2000 + atoi (token) : 1900 + atoi (token); - } else if (strlen (token) == 4) { - /* this could be the year... */ - for (retval = 1, ptr = token; *ptr; ptr++) - if (*ptr < '0' || *ptr > '9') - retval = 0; - - if (retval) - date.year = atoi (token); - } else if (strchr (token, ':')) { - /* this must be the time: hh:mm:ss */ - sscanf (token, "%d:%d:%d", &date.hour, &date.min, &date.sec); - } else if (*token == '-' || *token == '+') { - tz = atoi (token) / 100.0; - } - } - - g_list_free (tokens); - - /* adjust times based on time zones */ - - if (tz != 0) { - /* check for time-zone shift */ - if (tz > 0) { - /* correct for positive hours off of UCT */ - date.hour -= (tz / 100); - tz = (gint)tz % 100; - - if (tz > 0) /* correct for positive minutes off of UCT */ - date.min -= (gint)(((gdouble) tz / 100.0) * 60.0); - } else { - if (tz < 0) { - /* correct for negative hours off of UCT */ - tz = -tz; - date.hour += (tz / 100); - tz = -((gint)tz % 100); - - if (tz < 0) - date.min -= (gint)(((gdouble) tz / 100.0) * 60.0); - } - } - - /* adjust seconds to proper range */ - if (date.sec > 59) { - date.min += (date.sec / 60); - date.sec = (date.sec % 60); - } - - /* adjust minutes to proper range */ - if (date.min > 59) { - date.hour += (date.min / 60); - date.min = (date.min % 60); - } else { - if (date.min < 0) { - date.min = -date.min; - date.hour -= (date.min / 60) - 1; - date.min = 60 - (date.min % 60); - } - } - - /* adjust hours to the proper randge */ - if (date.hour > 23) { - date.day += (date.hour / 24); - date.hour -= (date.hour % 24); - } else { - if (date.hour < 0) { - date.hour = -date.hour; - date.day -= (date.hour / 24) - 1; - date.hour = 24 - (date.hour % 60); - } - } - - /* adjust days to the proper range */ - while (date.day > get_days_in_month (date.mon, date.year)) { - date.day -= get_days_in_month (date.mon, date.year); - date.mon++; - if (date.mon > 12) { - date.year += (date.mon / 12); - date.mon = (date.mon % 12); - if (date.mon == 0) { - /* month sanity check */ - date.mon = 12; - date.year -= 1; - } - } - } - - while (date.day < 1) { - date.day += get_days_in_month (date.mon, date.year); - date.mon--; - if (date.mon < 1) { - date.mon = -date.mon; - date.year -= (date.mon / 12) - 1; - date.mon = 12 - (date.mon % 12); - } - } - - /* adjust months to the proper range */ - if (date.mon > 12) { - date.year += (date.mon / 12); - date.mon = (date.mon % 12); - if (date.mon == 0) { - /* month sanity check */ - date.mon = 12; - date.year -= 1; - } - } else { - if (date.mon < 1) { - date.mon = -date.mon; - date.year -= (date.mon / 12) - 1; - date.mon = 12 - (date.mon % 12); - } - } - } - - /* now lets print this date into a string with the correct format */ - newdatestr = g_strdup_printf ("%s, %d %s %d %s%d:%s%d:%s%d -0000", - date.dow, date.day, tz_months[date.mon-1], - date.year, - date.hour > 10 ? "" : "0", date.hour, - date.min > 10 ? "" : "0", date.min, - date.sec > 10 ? "" : "0", date.sec); - - return newdatestr; -} - -/***************************************************************************** - * This ends the code for the broken date parser... * - * * - * -- fejj@helixcode.com * - *****************************************************************************/ |