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authormonsta <[email protected]>2015-09-09 10:46:57 +0300
committermonsta <[email protected]>2015-09-09 10:46:57 +0300
commitc9cadcd53d03e73475dd266aad223a1ebc9229b5 (patch)
tree0166a7c33476e9d9a4a2a3a3b66bde69594dc242 /logview/logview-utils.c
parent09a33e1feefbf5bc06eb5692b03c894c3b48daa9 (diff)
downloadmate-utils-c9cadcd53d03e73475dd266aad223a1ebc9229b5.tar.bz2
mate-utils-c9cadcd53d03e73475dd266aad223a1ebc9229b5.tar.xz
logview: move sources to src/ subdir
Diffstat (limited to 'logview/logview-utils.c')
-rw-r--r--logview/logview-utils.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/logview/logview-utils.c b/logview/logview-utils.c
deleted file mode 100644
index c8a61ed1..00000000
--- a/logview/logview-utils.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
-/* logview-utils.c - misc logview utilities
- *
- * Copyright (C) 1998 Cesar Miquel <[email protected]>
- * Copyright (C) 2008 Cosimo Cecchi <[email protected]>
- *
- * 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., 551 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#define _XOPEN_SOURCE
-#define _XOPEN_SOURCE_EXTENDED 1 /* strptime is XPG4v2 */
-#include <time.h>
-#include <string.h>
-#include <stdlib.h>
-#include <math.h>
-
-#include <glib.h>
-
-#include "logview-utils.h"
-
-void
-logview_utils_day_free (Day *day)
-{
- if (!day) {
- return;
- }
-
- g_date_free (day->date);
- g_slice_free (Day, day);
-}
-
-Day *
-logview_utils_day_copy (Day *day)
-{
- Day *retval;
-
- retval = g_slice_new0 (Day);
- retval->date = g_date_new_julian (g_date_get_julian (day->date));
- retval->first_line = day->first_line;
- retval->last_line = day->last_line;
- retval->timestamp_len = day->timestamp_len;
-
- return retval;
-}
-
-GSList *
-logview_utils_day_list_copy (GSList *days)
-{
- GSList *l, *retval = NULL;
-
- for (l = days; l; l = l->next) {
- retval = g_slist_prepend (retval, logview_utils_day_copy (l->data));
- }
-
- return g_slist_reverse (retval);
-}
-
-gint
-days_compare (gconstpointer a, gconstpointer b)
-{
- const Day *day1 = a, *day2 = b;
-
- return g_date_compare (day1->date, day2->date);
-}
-
-static GDate *
-string_get_date (const char *line, char **time_string, int *timestamp_len)
-{
- GDate *date = NULL;
- struct tm tp;
- char *cp = NULL, *timestamp = NULL;
-
- /* it's safe to assume that if strptime returns NULL, it's
- * because of an error (format unmatched). being a log file, it's very
- * unlikely that there aren't any more characters after the date.
- */
-
- if (line == NULL || line[0] == '\0') {
- return NULL;
- }
-
- /* this parses the "MonthName DayNo" format */
- cp = strptime (line, "%b %d", &tp);
- if (cp) {
- goto out;
- }
-
- /* this parses the YYYY-MM-DD format */
- cp = strptime (line, "%F", &tp);
- if (cp) {
- goto out;
- }
-
-out:
- if (cp) {
- /* the year doesn't matter to us now */
- date = g_date_new_dmy (tp.tm_mday, tp.tm_mon + 1, 1);
- *time_string = g_strndup (line, cp - line);
-
- timestamp = strptime (cp, "%X", &tp);
- if (timestamp) {
- *timestamp_len = timestamp - line;
- }
- }
-
- return date;
-}
-
-/**
- * log_read_dates:
- *
- * @buffer_lines: an array of text lines.
- * @current: the mtime of the file being parsed.
- *
- * Reads all the dates inside the text buffer.
- * All dates are given with respect to the 1/1/1970
- * and are then corrected to the correct year once we
- * reach the end.
- *
- * Returns: a #GSList of #Day structures.
- */
-
-GSList *
-log_read_dates (const char **buffer_lines, time_t current)
-{
- int current_year, offsetyear, i, n, rangemin, rangemax, timestamp_len = 0;
- GSList *days = NULL;
- GDate *date = NULL;
- struct tm *tmptm;
- char *date_string = NULL;
- Day *day;
- gboolean done = FALSE;
-
- g_return_val_if_fail (buffer_lines != NULL, NULL);
-
- n = g_strv_length ((char **) buffer_lines);
-
- tmptm = localtime (&current);
- current_year = tmptm->tm_year + 1900;
- offsetyear = 0;
-
- /* find the first line with a date we're able to parse */
- for (i = 0; buffer_lines[i]; i++) {
- if ((date = string_get_date (buffer_lines[i], &date_string, &timestamp_len)) != NULL)
- break;
- }
-
- if (!date) {
- /* no valid dates in the array, return NULL */
- return NULL;
- }
-
- if (!g_date_valid (date)) {
- g_date_free (date);
- g_free (date_string);
- return NULL;
- }
-
- g_date_set_year (date, current_year);
-
- day = g_slice_new0 (Day);
- days = g_slist_append (days, day);
-
- /* $i now contains the line number for the first good date */
- day->date = date;
- day->first_line = i;
- day->last_line = -1;
- day->timestamp_len = timestamp_len;
-
- /* now scan the logfile to get the last line of the day */
- rangemin = i;
- rangemax = n - 1;
-
- while (!done) {
- /* find out the last line of the day we're currently building */
-
- i = n - 1;
-
- while (day->last_line < 0) {
- if (strstr (buffer_lines[i], date_string)) {
- /* if we find the same string on the last line of the log, we're done */
- if (i == n - 1) {
- done = TRUE;
- day->last_line = i;
- break;
- }
-
- /* we're still in a section of lines with the same date;
- * - if the next one changes, then we're on the last.
- * - else we keep searching in the following.
- */
-
- if (!strstr (buffer_lines[i + 1], date_string)) {
- day->last_line = i;
- break;
- } else {
- rangemin = i;
- i = floor (((float) i + (float) rangemax) / 2.);
- }
- } else {
- /* we can't find the same date here; go back to a safer range. */
- rangemax = i;
- i = floor (((float) rangemin + (float) i) / 2.);
- }
- }
-
- g_free (date_string);
- date_string = NULL;
-
- if (!done) {
- /* this means we finished the current day but we're not at the end
- * of the buffer: reset the parameters for the next day.
- */
- GDate *newdate = NULL;
-
- for (i = day->last_line + 1; buffer_lines[i]; i++) {
- if ((newdate = string_get_date (buffer_lines[i], &date_string, &timestamp_len)) != NULL)
- break;
- }
-
- if (date_string == NULL && i == n - 1) {
- done = TRUE;
- }
-
- /* this will set the last line of the "old" log to either:
- * - "n - 1" if we can't find another date
- * - the line before the new date else.
- */
- day->last_line = i - 1;
-
- if (newdate) {
- /* append a new day to the list */
-
- g_date_set_year (newdate, current_year + offsetyear);
-
- if (g_date_compare (newdate, date) < 1) {
- /* this isn't possible, as we're reading the log forward.
- * so it means that newdate is the next year.
- */
- g_date_add_years (newdate, 1);
- offsetyear++;
- }
-
- date = newdate;
- day = g_slice_new0 (Day);
- days = g_slist_prepend (days, day);
-
- day->date = date;
- day->first_line = i;
- day->last_line = -1;
- day->timestamp_len = timestamp_len;
- rangemin = i;
- rangemax = n - 1;
- }
- }
- }
-
- if (date_string) {
- g_free (date_string);
- }
-
- /* sort the days in chronological order */
- days = g_slist_sort (days, days_compare);
-
- return days;
-}
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