+
+/* Remove all terms generated by indexing, i.e. not tags or
+ * properties, along with any automatic tags*/
+/* According to Xapian API docs, none of these calls throw
+ * exceptions */
+notmuch_private_status_t
+_notmuch_message_remove_indexed_terms (notmuch_message_t *message)
+{
+ Xapian::TermIterator i;
+
+ const std::string
+ id_prefix = _find_prefix ("id"),
+ property_prefix = _find_prefix ("property"),
+ tag_prefix = _find_prefix ("tag"),
+ type_prefix = _find_prefix ("type");
+
+ /* Make sure we have the data to restore to Xapian*/
+ _notmuch_message_ensure_metadata (message,NULL);
+
+ /* Empirically, it turns out to be faster to remove all the terms,
+ * and add back the ones we want. */
+ message->doc.clear_terms ();
+ message->modified = true;
+
+ /* still a mail message */
+ message->doc.add_term (type_prefix + "mail");
+
+ /* Put back message-id */
+ message->doc.add_term (id_prefix + message->message_id);
+
+ /* Put back non-automatic tags */
+ for (notmuch_tags_t *tags = notmuch_message_get_tags (message);
+ notmuch_tags_valid (tags);
+ notmuch_tags_move_to_next (tags)) {
+
+ const char *tag = notmuch_tags_get (tags);
+
+ if (STRNCMP_LITERAL (tag, "encrypted") != 0 &&
+ STRNCMP_LITERAL (tag, "signed") != 0 &&
+ STRNCMP_LITERAL (tag, "attachment") != 0) {
+ std::string term = tag_prefix + tag;
+ message->doc.add_term(term);
+ }
+ }
+
+ /* Put back properties */
+ notmuch_message_properties_t *list;
+
+ for (list = notmuch_message_get_properties (message, "", false);
+ notmuch_message_properties_valid (list); notmuch_message_properties_move_to_next (list)) {
+ std::string term = property_prefix +
+ notmuch_message_properties_key(list) + "=" +
+ notmuch_message_properties_value(list);
+
+ message->doc.add_term(term);
+ }
+
+ notmuch_message_properties_destroy (list);
+
+ return NOTMUCH_PRIVATE_STATUS_SUCCESS;
+}
+
+
+/* Return true if p points at "new" or "cur". */
+static bool is_maildir (const char *p)
+{
+ return strcmp (p, "cur") == 0 || strcmp (p, "new") == 0;
+}
+
+/* Add "folder:" term for directory. */
+static notmuch_status_t
+_notmuch_message_add_folder_terms (notmuch_message_t *message,
+ const char *directory)
+{
+ char *folder, *last;
+
+ folder = talloc_strdup (NULL, directory);
+ if (! folder)
+ return NOTMUCH_STATUS_OUT_OF_MEMORY;
+
+ /*
+ * If the message file is in a leaf directory named "new" or
+ * "cur", presume maildir and index the parent directory. Thus a
+ * "folder:" prefix search matches messages in the specified
+ * maildir folder, i.e. in the specified directory and its "new"
+ * and "cur" subdirectories.
+ *
+ * Note that this means the "folder:" prefix can't be used for
+ * distinguishing between message files in "new" or "cur". The
+ * "path:" prefix needs to be used for that.
+ *
+ * Note the deliberate difference to _filename_is_in_maildir(). We
+ * don't want to index different things depending on the existence
+ * or non-existence of all maildir sibling directories "new",
+ * "cur", and "tmp". Doing so would be surprising, and difficult
+ * for the user to fix in case all subdirectories were not in
+ * place during indexing.
+ */
+ last = strrchr (folder, '/');
+ if (last) {
+ if (is_maildir (last + 1))
+ *last = '\0';
+ } else if (is_maildir (folder)) {
+ *folder = '\0';
+ }
+
+ _notmuch_message_add_term (message, "folder", folder);
+
+ talloc_free (folder);
+
+ message->modified = true;
+ return NOTMUCH_STATUS_SUCCESS;
+}
+
+#define RECURSIVE_SUFFIX "/**"
+
+/* Add "path:" terms for directory. */
+static notmuch_status_t
+_notmuch_message_add_path_terms (notmuch_message_t *message,
+ const char *directory)
+{
+ /* Add exact "path:" term. */
+ _notmuch_message_add_term (message, "path", directory);
+
+ if (strlen (directory)) {
+ char *path, *p;
+
+ path = talloc_asprintf (NULL, "%s%s", directory, RECURSIVE_SUFFIX);
+ if (! path)
+ return NOTMUCH_STATUS_OUT_OF_MEMORY;
+
+ /* Add recursive "path:" terms for directory and all parents. */
+ for (p = path + strlen (path) - 1; p > path; p--) {
+ if (*p == '/') {
+ strcpy (p, RECURSIVE_SUFFIX);
+ _notmuch_message_add_term (message, "path", path);
+ }
+ }
+
+ talloc_free (path);
+ }
+
+ /* Recursive all-matching path:** for consistency. */
+ _notmuch_message_add_term (message, "path", "**");
+
+ return NOTMUCH_STATUS_SUCCESS;
+}
+