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* mu-msg-file: clean up references handling

This commit is contained in:
Dirk-Jan C. Binnema 2011-06-26 14:52:27 +03:00
parent 7994252527
commit 7da25411bf
1 changed files with 26 additions and 66 deletions
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92
src/mu-msg-file.c
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@ -662,91 +662,51 @@ get_body (MuMsgFile *self, gboolean want_html)
}
/* get them in the order parent->grandparent->..., i.e. in opposite
* from what's in the header
*/
gboolean
contains (GSList *lst, const char *str)
{
for (; lst; lst = g_slist_next(lst))
if (g_strcmp0 ((char*)lst->data, str) == 0)
return TRUE;
return FALSE;
}
static GSList*
get_msgids_reverted (MuMsgFile *self, const gchar *header)
get_references (MuMsgFile *self)
{
GSList *msgids;
const char *str;
msgids = NULL;
str = g_mime_object_get_header (GMIME_OBJECT(self->_mime_msg),
header);
unsigned u;
const char *headers[] = { "References", "In-reply-to", NULL };
/* get stuff from the 'references' header */
if (str) {
for (msgids = NULL, u = 0; headers[u]; ++u) {
const GMimeReferences *cur;
GMimeReferences *mime_refs;
str = g_mime_object_get_header (GMIME_OBJECT(self->_mime_msg),
headers[u]);
if (!str)
continue;
mime_refs = g_mime_references_decode (str);
for (cur = mime_refs; cur; cur = g_mime_references_get_next(cur)) {
const char* msgid;
msgid = g_mime_references_get_message_id (cur);
if (msgid)
/* don't include duplicates */
if (msgid && !contains (msgids, msgid))
msgids = g_slist_prepend (msgids, g_strdup (msgid));
}
g_mime_references_free (mime_refs);
}
return msgids;
}
static GSList*
remove_dups (GSList *refs)
{
GHashTable *hash;
GSList *cur, *oldcur;
hash = g_hash_table_new (g_str_hash, g_str_equal);
for (oldcur = NULL, cur = refs; cur; cur = g_slist_next (cur)) {
/* already seen? note, the first one cannot be a dup,
* so oldcur won't be NULL, and refs stays valid */
if (g_hash_table_lookup (hash, (gchar*)cur->data)) {
oldcur->next = cur->next;
cur->next = NULL;
g_slist_free (cur);
cur = oldcur;
continue;
}
g_hash_table_insert (hash, (gchar*)cur->data,
GUINT_TO_POINTER(TRUE));
oldcur = cur;
}
g_hash_table_destroy (hash);
return refs;
return g_slist_reverse (msgids);
}
GSList*
get_references (MuMsgFile *self)
{
GSList *refs, *inreply;
g_return_val_if_fail (self, NULL);
refs = get_msgids_reverted (self, "References");
/* now, add in-reply-to:, we only take the first one if there
* are more */
inreply = get_msgids_reverted (self, "In-reply-to");
if (inreply) {
refs = g_slist_prepend (refs, g_strdup ((gchar*)inreply->data));
g_slist_foreach (inreply, (GFunc)g_free, NULL);
g_slist_free (inreply);
}
refs = remove_dups (refs);
/* put in proper order */
return g_slist_reverse (refs);
}
static GSList*
get_tags (MuMsgFile *self)
{