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-rw-r--r--camel/providers/nntp/camel-nntp-newsrc.c469
1 files changed, 0 insertions, 469 deletions
diff --git a/camel/providers/nntp/camel-nntp-newsrc.c b/camel/providers/nntp/camel-nntp-newsrc.c
deleted file mode 100644
index 81594d3dcd..0000000000
--- a/camel/providers/nntp/camel-nntp-newsrc.c
+++ /dev/null
@@ -1,469 +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 "camel-nntp-newsrc.h"
-
-typedef struct {
- guint low;
- guint high;
-} ArticleRange;
-
-typedef struct {
- char *name;
- GArray *ranges;
- gboolean subscribed;
-} NewsrcGroup;
-
-struct CamelNNTPNewsrc {
- gchar *filename;
- GHashTable *groups;
- GHashTable *subscribed_groups;
- gboolean dirty;
-} ;
-
-static NewsrcGroup *
-camel_nntp_newsrc_group_add (CamelNNTPNewsrc *newsrc, 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);
- if (subscribed)
- g_hash_table_insert (newsrc->subscribed_groups, new_group->name, new_group);
-
- newsrc->dirty = TRUE;
-
- return new_group;
-}
-
-static long
-camel_nntp_newsrc_group_get_highest_article_read(CamelNNTPNewsrc *newsrc, NewsrcGroup *group)
-{
- if (group->ranges->len == 0)
- return 0;
-
- return g_array_index(group->ranges, ArticleRange, group->ranges->len - 1).high;
-}
-
-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, 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);
-}
-
-void
-camel_nntp_newsrc_mark_article_read (CamelNNTPNewsrc *newsrc, 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, 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, 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;
-}
-
-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->subscribed_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;
- int line_length = 0;
-
- fp = newsrc_fp->fp;
- newsrc = newsrc_fp->newsrc;
-
- fprintf (fp, "%s%c", group->name, group->subscribed ? ':' : '!');
-
- line_length += strlen(group->name) + 1;
-
- 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, " ");
- line_length += 1;
-
- 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, ",");
-
- /* this constant (991) gives the same line breaking as faried's .newsrc file */
- if (line_length + strlen(range_buffer) > 991 /*XXX*/) {
- char range_buffer2[101];
- int num_to_print = 991 - line_length;
-
- strcpy(range_buffer2, range_buffer);
- range_buffer2[num_to_print] = '!';
- range_buffer2[num_to_print+1] = '\n';
- range_buffer2[num_to_print+2] = '\0';
-
- fprintf (fp, range_buffer2);
-
- fprintf (fp, range_buffer + num_to_print);
-
- line_length = strlen(range_buffer) - num_to_print;
- }
- else {
- fprintf (fp, range_buffer);
- line_length += strlen(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);
-
- fclose(fp);
-}
-
-static void
-camel_nntp_newsrc_parse_line(CamelNNTPNewsrc *newsrc, char *line)
-{
- char *p, sep, *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. */
- }
-
- sep = *p;
- *p = '\0';
-
- group = camel_nntp_newsrc_group_add (newsrc, line, is_subscribed);
-
- *p = sep;
-
- p++;
-
- 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);
-}
-
-#define MAX_LINE_LENGTH 1500
-#define BUFFER_LENGTH (20 * MAX_LINE_LENGTH)
-
-CamelNNTPNewsrc *
-camel_nntp_newsrc_read_for_server (const char *server)
-{
- FILE *fp;
- char buf[BUFFER_LENGTH];
- CamelNNTPNewsrc *newsrc = g_new0(CamelNNTPNewsrc, 1);
-
- newsrc->filename = g_strdup_printf ("%s/.newsrc-%s", g_get_home_dir(), server);
- newsrc->groups = g_hash_table_new (g_str_hash, g_str_equal);
- newsrc->subscribed_groups = g_hash_table_new (g_str_hash, g_str_equal);
-
- if ((fp = fopen(newsrc->filename, "r")) == NULL) {
- g_free (newsrc->filename);
- g_free (newsrc);
- return NULL;
- }
-
- while (fgets(buf, MAX_LINE_LENGTH, fp) != NULL) {
- /* we silently ignore (and lose!) lines longer than 20 * 1500 chars.
- Too bad for them. */
- while(strlen(buf) < sizeof(buf)
- && buf[strlen(buf) - 2] == '!') {
- fgets(&buf[strlen(buf) - 2], MAX_LINE_LENGTH, fp);
- }
-
- camel_nntp_newsrc_parse_line(newsrc, buf);
- }
-
- fclose(fp);
-
- return newsrc;
-}
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