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Diffstat (limited to 'camel/providers/nntp/camel-nntp-newsrc.c')
-rw-r--r--camel/providers/nntp/camel-nntp-newsrc.c573
1 files changed, 0 insertions, 573 deletions
diff --git a/camel/providers/nntp/camel-nntp-newsrc.c b/camel/providers/nntp/camel-nntp-newsrc.c
deleted file mode 100644
index b474dd3a40..0000000000
--- a/camel/providers/nntp/camel-nntp-newsrc.c
+++ /dev/null
@@ -1,573 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* camel-nntp-newsrc.c - .newsrc parsing/regurgitating code */
-/*
- *
- * Copyright (C) 2000 Helix Code, Inc. <toshok@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 Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <glib.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include "camel-nntp-newsrc.h"
-#include <camel/camel-folder-summary.h>
-
-typedef struct {
- guint low;
- guint high;
-} ArticleRange;
-
-typedef struct {
- char *name;
- GArray *ranges;
- gboolean subscribed;
-} NewsrcGroup;
-
-struct CamelNNTPNewsrc {
- gchar *filename;
- GHashTable *groups;
- gboolean dirty;
-} ;
-
-static NewsrcGroup *
-camel_nntp_newsrc_group_add (CamelNNTPNewsrc *newsrc, const char *group_name, gboolean subscribed)
-{
- NewsrcGroup *new_group = g_malloc(sizeof(NewsrcGroup));
-
- new_group->name = g_strdup(group_name);
- new_group->subscribed = subscribed;
- new_group->ranges = g_array_new (FALSE, FALSE, sizeof (ArticleRange));
-
- g_hash_table_insert (newsrc->groups, new_group->name, new_group);
-
- newsrc->dirty = TRUE;
-
- return new_group;
-}
-
-static int
-camel_nntp_newsrc_group_get_highest_article_read(CamelNNTPNewsrc *newsrc, NewsrcGroup *group)
-{
- if (!group || group->ranges->len == 0)
- return 0;
-
- return g_array_index(group->ranges, ArticleRange, group->ranges->len - 1).high;
-}
-
-static int
-camel_nntp_newsrc_group_get_num_articles_read(CamelNNTPNewsrc *newsrc, NewsrcGroup *group)
-{
- int i;
- int count = 0;
-
- if (group == NULL)
- return 0;
-
- for (i = 0; i < group->ranges->len; i ++)
- count += (g_array_index(group->ranges, ArticleRange, i).high -
- g_array_index(group->ranges, ArticleRange, i).low) + 1;
-
- return count;
-}
-
-
-static void
-camel_nntp_newsrc_group_mark_range_read(CamelNNTPNewsrc *newsrc, NewsrcGroup *group, long low, long high)
-{
- int i;
-
- if (group->ranges->len == 1
- && g_array_index (group->ranges, ArticleRange, 0).low == 0
- && g_array_index (group->ranges, ArticleRange, 0).high == 0) {
- g_array_index (group->ranges, ArticleRange, 0).low = low;
- g_array_index (group->ranges, ArticleRange, 0).high = high;
-
- newsrc->dirty = TRUE;
- }
- else {
- ArticleRange tmp_range;
-
- for (i = 0; i < group->ranges->len; i ++) {
- guint range_low = g_array_index (group->ranges, ArticleRange, i).low;
- guint range_high = g_array_index (group->ranges, ArticleRange, i).high;
-
- /* if it's already part of a range, return immediately. */
- if (low >= range_low &&
- low <= range_high &&
- high >= range_low &&
- high <= range_high) {
- return;
- }
- /* if we have a new lower bound for this range, set it. */
- else if (low <= range_low
- && high >= range_low
- && high <= range_high) {
- g_array_index (group->ranges, ArticleRange, i).low = low;
- newsrc->dirty = TRUE;
- return;
- }
- /* if we have a new upper bound for this range, set it. */
- else if (high >= range_high
- && low >= range_low
- && low <= range_high) {
- g_array_index (group->ranges, ArticleRange, i).high = high;
- newsrc->dirty = TRUE;
- return;
- }
- /* if we would be inserting another range that
- starts one index higher than an existing
- one, make the upper value of the existing
- range the upper value of the new one. */
- else if (low == range_high + 1) {
- g_array_index (group->ranges, ArticleRange, i).high = high;
- newsrc->dirty = TRUE;
- return;
- }
- /* if we would be inserting another range that
- ends one index lower than an existing one,
- group the existing range by setting its low
- to the new low */
- else if (high == range_low - 1) {
- g_array_index (group->ranges, ArticleRange, i).low = low;
- newsrc->dirty = TRUE;
- return;
- }
- /* if the range lies entirely outside another
- range, doesn't coincide with it's
- endpoints, and has lower values, insert it
- into the middle of the list. */
- else if (low < range_low
- && high < range_low) {
- tmp_range.low = low;
- tmp_range.high = high;
-
- group->ranges = g_array_insert_val (group->ranges, i, tmp_range);
- newsrc->dirty = TRUE;
-
- return;
- }
- }
-
- /* if we made it here, the range needs to go at the end */
- tmp_range.low = low;
- tmp_range.high = high;
- group->ranges = g_array_append_val (group->ranges, tmp_range);
- newsrc->dirty = TRUE;
- }
-}
-
-int
-camel_nntp_newsrc_get_highest_article_read (CamelNNTPNewsrc *newsrc, const char *group_name)
-{
- NewsrcGroup *group;
-
- group = g_hash_table_lookup (newsrc->groups, group_name);
-
- return camel_nntp_newsrc_group_get_highest_article_read (newsrc, group);
-}
-
-int
-camel_nntp_newsrc_get_num_articles_read (CamelNNTPNewsrc *newsrc, const char *group_name)
-{
- NewsrcGroup *group;
-
- group = g_hash_table_lookup (newsrc->groups, group_name);
-
- return camel_nntp_newsrc_group_get_num_articles_read (newsrc, group);
-}
-
-void
-camel_nntp_newsrc_mark_article_read (CamelNNTPNewsrc *newsrc, const char *group_name, int num)
-{
- camel_nntp_newsrc_mark_range_read (newsrc, group_name, num, num);
-}
-
-void
-camel_nntp_newsrc_mark_range_read(CamelNNTPNewsrc *newsrc, const char *group_name, long low, long high)
-{
- NewsrcGroup *group;
-
- /* swap them if they're in the wrong order. */
- if (low > high) {
- long tmp;
-
- tmp = high;
- high = low;
- low = tmp;
- }
-
- group = g_hash_table_lookup (newsrc->groups, group_name);
-
- camel_nntp_newsrc_group_mark_range_read (newsrc, group, low, high);
-}
-
-gboolean
-camel_nntp_newsrc_article_is_read (CamelNNTPNewsrc *newsrc, const char *group_name, long num)
-{
- int i;
- NewsrcGroup *group;
-
- group = g_hash_table_lookup (newsrc->groups, group_name);
-
- for (i = 0; i < group->ranges->len; i++) {
- if (num >= g_array_index (group->ranges, ArticleRange, i).low &&
- num <= g_array_index (group->ranges, ArticleRange, i).high) {
- return TRUE;
- }
- }
-
- return FALSE;
-}
-
-gboolean
-camel_nntp_newsrc_group_is_subscribed (CamelNNTPNewsrc *newsrc, const char *group_name)
-{
- NewsrcGroup *group = g_hash_table_lookup (newsrc->groups, group_name);
-
- if (group) {
- return group->subscribed;
- }
- else {
- return FALSE;
- }
-}
-
-void
-camel_nntp_newsrc_subscribe_group (CamelNNTPNewsrc *newsrc, const char *group_name)
-{
- NewsrcGroup *group = g_hash_table_lookup (newsrc->groups, group_name);
-
- if (group) {
- if (!group->subscribed)
- newsrc->dirty = TRUE;
- group->subscribed = TRUE;
- }
- else {
- camel_nntp_newsrc_group_add (newsrc, group_name, TRUE);
- }
-}
-
-void
-camel_nntp_newsrc_unsubscribe_group (CamelNNTPNewsrc *newsrc, const char *group_name)
-{
- NewsrcGroup *group = g_hash_table_lookup (newsrc->groups, group_name);
-
- if (group) {
- if (group->subscribed)
- newsrc->dirty = TRUE;
- group->subscribed = FALSE;
- }
- else {
- camel_nntp_newsrc_group_add (newsrc, group_name, FALSE);
- }
-}
-
-struct newsrc_ptr_array {
- GPtrArray *ptr_array;
- gboolean subscribed_only;
-};
-
-static void
-get_group_foreach (char *group_name, NewsrcGroup *group, struct newsrc_ptr_array *npa)
-{
- if (group->subscribed || !npa->subscribed_only) {
- g_ptr_array_add (npa->ptr_array, group_name);
- }
-}
-
-GPtrArray *
-camel_nntp_newsrc_get_subscribed_group_names (CamelNNTPNewsrc *newsrc)
-{
- struct newsrc_ptr_array npa;
-
- g_return_val_if_fail (newsrc, NULL);
-
- npa.ptr_array = g_ptr_array_new();
- npa.subscribed_only = TRUE;
-
- g_hash_table_foreach (newsrc->groups,
- (GHFunc)get_group_foreach, &npa);
-
- return npa.ptr_array;
-}
-
-GPtrArray *
-camel_nntp_newsrc_get_all_group_names (CamelNNTPNewsrc *newsrc)
-{
- struct newsrc_ptr_array npa;
-
- g_return_val_if_fail (newsrc, NULL);
-
- npa.ptr_array = g_ptr_array_new();
- npa.subscribed_only = FALSE;
-
- g_hash_table_foreach (newsrc->groups,
- (GHFunc)get_group_foreach, &npa);
-
- return npa.ptr_array;
-}
-
-void
-camel_nntp_newsrc_free_group_names (CamelNNTPNewsrc *newsrc, GPtrArray *group_names)
-{
- g_ptr_array_free (group_names, TRUE);
-}
-
-struct newsrc_fp {
- CamelNNTPNewsrc *newsrc;
- FILE *fp;
-};
-
-static void
-camel_nntp_newsrc_write_group_line(gpointer key, NewsrcGroup *group, struct newsrc_fp *newsrc_fp)
-{
- CamelNNTPNewsrc *newsrc;
- FILE *fp;
- int i;
-
- fp = newsrc_fp->fp;
- newsrc = newsrc_fp->newsrc;
-
- fprintf (fp, "%s%c", group->name, group->subscribed ? ':' : '!');
-
- if (group->ranges->len == 1
- && g_array_index (group->ranges, ArticleRange, 0).low == 0
- && g_array_index (group->ranges, ArticleRange, 0).high == 0) {
- fprintf (fp, "\n");
-
- return; /* special case since our parsing code will insert this
- bogus range if there were no read articles. The code
- to add a range is smart enough to remove this one if we
- ever mark an article read, but we still need to deal with
- it if that code doesn't get hit. */
- }
-
- fprintf (fp, " ");
-
- for (i = 0; i < group->ranges->len; i ++) {
- char range_buffer[100];
- guint low = g_array_index (group->ranges, ArticleRange, i).low;
- guint high = g_array_index (group->ranges, ArticleRange, i).high;
-
- if (low == high)
- sprintf(range_buffer, "%d", low);
- else if (low == high - 1)
- sprintf(range_buffer, "%d,%d", low, high);
- else
- sprintf(range_buffer, "%d-%d", low, high);
-
- if (i != group->ranges->len - 1)
- strcat(range_buffer, ",");
-
- fprintf (fp, range_buffer);
- }
-
- fprintf (fp, "\n");
-}
-
-void
-camel_nntp_newsrc_write_to_file(CamelNNTPNewsrc *newsrc, FILE *fp)
-{
- struct newsrc_fp newsrc_fp;
-
- g_return_if_fail (newsrc);
-
- newsrc_fp.newsrc = newsrc;
- newsrc_fp.fp = fp;
-
- g_hash_table_foreach (newsrc->groups,
- (GHFunc)camel_nntp_newsrc_write_group_line,
- &newsrc_fp);
-}
-
-void
-camel_nntp_newsrc_write(CamelNNTPNewsrc *newsrc)
-{
- FILE *fp;
-
- g_return_if_fail (newsrc);
-
- if (!newsrc->dirty)
- return;
-
- if ((fp = fopen(newsrc->filename, "w")) == NULL) {
- g_warning ("Couldn't open newsrc file '%s'.\n", newsrc->filename);
- return;
- }
-
- camel_nntp_newsrc_write_to_file(newsrc, fp);
-
- newsrc->dirty = FALSE;
-
- fclose(fp);
-}
-
-static void
-camel_nntp_newsrc_parse_line(CamelNNTPNewsrc *newsrc, char *line)
-{
- char *p, *comma, *dash;
- gboolean is_subscribed;
- NewsrcGroup *group;
-
- p = strchr(line, ':');
-
- if (p) {
- is_subscribed = TRUE;
- }
- else {
- p = strchr(line, '!');
- if (p)
- is_subscribed = FALSE;
- else
- return; /* bogus line. */
- }
-
- *p++ = '\0';
-
- group = camel_nntp_newsrc_group_add (newsrc, line, is_subscribed);
-
- do {
- guint high, low;
-
- comma = strchr(p, ',');
-
- if (comma)
- *comma = '\0';
-
- dash = strchr(p, '-');
-
- if (!dash) { /* there wasn't a dash. must be just one number */
- high = low = atol(p);
- }
- else { /* there was a dash. */
- *dash = '\0';
- low = atol(p);
- *dash = '-';
- p = dash + 1;
- high = atol(p);
- }
-
- camel_nntp_newsrc_group_mark_range_read (newsrc, group, low, high);
-
- if (comma) {
- *comma = ',';
- p = comma + 1;
- }
-
- } while(comma);
-}
-
-static char*
-get_line (char *buf, char **p)
-{
- char *l;
- char *line;
-
- g_assert (*p == NULL || **p == '\n' || **p == '\0');
-
- if (*p == NULL) {
- *p = buf;
-
- if (**p == '\0')
- return NULL;
- }
- else {
- if (**p == '\0')
- return NULL;
-
- (*p) ++;
-
- /* if we just incremented to the end of the buffer, return NULL */
- if (**p == '\0')
- return NULL;
- }
-
- l = strchr (*p, '\n');
- if (l) {
- *l = '\0';
- line = g_strdup (*p);
- *l = '\n';
- *p = l;
- }
- else {
- /* we're at the last line (which isn't terminated by a \n, btw) */
- line = g_strdup (*p);
- (*p) += strlen (*p);
- }
-
- return line;
-}
-
-CamelNNTPNewsrc *
-camel_nntp_newsrc_read_for_server (const char *server)
-{
- int fd;
- char buf[1024];
- char *file_contents, *line, *p;
- char *filename;
- CamelNNTPNewsrc *newsrc;
- int newsrc_len;
- int len_read = 0;
- struct stat sb;
-
- filename = g_strdup_printf ("%s/.newsrc-%s", g_get_home_dir(), server);
-
- newsrc = g_new0(CamelNNTPNewsrc, 1);
- newsrc->filename = filename;
- newsrc->groups = g_hash_table_new (g_str_hash, g_str_equal);
-
- if ((fd = open(filename, O_RDONLY)) == -1) {
- g_warning ("~/.newsrc-%s not present.\n", server);
- return newsrc;
- }
-
- if (fstat (fd, &sb) == -1) {
- g_warning ("failed fstat on ~/.newsrc-%s: %s\n", server, strerror(errno));
- return newsrc;
- }
- newsrc_len = sb.st_size;
-
- file_contents = g_malloc (newsrc_len + 1);
-
- while (len_read < newsrc_len) {
- int c = read (fd, buf, sizeof (buf));
-
- if (c == -1)
- break;
-
- memcpy (&file_contents[len_read], buf, c);
- len_read += c;
- }
- file_contents [len_read] = 0;
-
- p = NULL;
- while ((line = get_line (file_contents, &p))) {
- camel_nntp_newsrc_parse_line(newsrc, line);
- g_free (line);
- }
-
- close (fd);
- g_free (file_contents);
-
- return newsrc;
-}
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