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Introduce _notmuch_message_has_term()

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It can be useful to easily tell if a given message has a given term
associated with it.
This commit is contained in:
Daniel Kahn Gillmor 2016-04-08 22:54:50 -03:00 committed by David Bremner
parent 011fc41d4d
commit 9eebae3da4
2 changed files with 41 additions and 0 deletions
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35
lib/message.cc
View file

@ -1217,6 +1217,41 @@ _notmuch_message_remove_term (notmuch_message_t *message,
return NOTMUCH_PRIVATE_STATUS_SUCCESS;
}
notmuch_private_status_t
_notmuch_message_has_term (notmuch_message_t *message,
const char *prefix_name,
const char *value,
notmuch_bool_t *result)
{
char *term;
notmuch_bool_t out = FALSE;
notmuch_private_status_t status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
if (value == NULL)
return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
term = talloc_asprintf (message, "%s%s",
_find_prefix (prefix_name), value);
if (strlen (term) > NOTMUCH_TERM_MAX)
return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
try {
/* Look for the exact term */
Xapian::TermIterator i = message->doc.termlist_begin ();
i.skip_to (term);
if (i != message->doc.termlist_end () &&
!strcmp ((*i).c_str (), term))
out = TRUE;
} catch (Xapian::Error &error) {
status = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
}
talloc_free (term);
*result = out;
return status;
}
notmuch_status_t
notmuch_message_add_tag (notmuch_message_t *message, const char *tag)
{

6
lib/notmuch-private.h
View file

@ -279,6 +279,12 @@ _notmuch_message_remove_term (notmuch_message_t *message,
const char *prefix_name,
const char *value);
notmuch_private_status_t
_notmuch_message_has_term (notmuch_message_t *message,
const char *prefix_name,
const char *value,
notmuch_bool_t *result);
notmuch_private_status_t
_notmuch_message_gen_terms (notmuch_message_t *message,
const char *prefix_name,