1 /* message.cc - Results of message-based searches from a notmuch database
3 * Copyright © 2009 Carl Worth
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see https://www.gnu.org/licenses/ .
18 * Author: Carl Worth <cworth@cworth.org>
21 #include "notmuch-private.h"
22 #include "database-private.h"
23 #include "message-private.h"
27 #include <gmime/gmime.h>
29 struct _notmuch_message {
30 notmuch_database_t *notmuch;
37 notmuch_string_list_t *tag_list;
38 notmuch_string_list_t *filename_term_list;
39 notmuch_string_list_t *filename_list;
42 notmuch_message_file_t *message_file;
43 notmuch_string_list_t *property_term_list;
44 notmuch_string_map_t *property_map;
45 notmuch_string_list_t *reference_list;
46 notmuch_message_list_t *replies;
48 /* For flags that are initialized on-demand, lazy_flags indicates
49 * if each flag has been initialized. */
50 unsigned long lazy_flags;
52 /* Message document modified since last sync */
55 /* last view of database the struct is synced with */
56 unsigned long last_view;
59 Xapian::termcount termpos;
62 #define ARRAY_SIZE(arr) (sizeof (arr) / sizeof (arr[0]))
64 struct maildir_flag_tag {
70 /* ASCII ordered table of Maildir flags and associated tags */
71 static const struct maildir_flag_tag flag2tag[] = {
72 { 'D', "draft", false },
73 { 'F', "flagged", false },
74 { 'P', "passed", false },
75 { 'R', "replied", false },
76 { 'S', "unread", true }
79 /* We end up having to call the destructor explicitly because we had
80 * to use "placement new" in order to initialize C++ objects within a
81 * block that we allocated with talloc. So C++ is making talloc
82 * slightly less simple to use, (we wouldn't need
83 * talloc_set_destructor at all otherwise).
86 _notmuch_message_destructor (notmuch_message_t *message)
88 message->doc.~Document ();
93 #define LOG_XAPIAN_EXCEPTION(message, error) _log_xapian_exception (__location__, message, error)
96 _log_xapian_exception (const char *where, notmuch_message_t *message, const Xapian::Error error)
98 notmuch_database_t *notmuch = notmuch_message_get_database (message);
100 _notmuch_database_log (notmuch,
101 "A Xapian exception occurred at %s: %s\n",
103 error.get_msg ().c_str ());
104 notmuch->exception_reported = true;
107 static notmuch_message_t *
108 _notmuch_message_create_for_document (const void *talloc_owner,
109 notmuch_database_t *notmuch,
111 Xapian::Document doc,
112 notmuch_private_status_t *status)
114 notmuch_message_t *message;
117 *status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
119 message = talloc (talloc_owner, notmuch_message_t);
120 if (unlikely (message == NULL)) {
122 *status = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
126 message->notmuch = notmuch;
127 message->doc_id = doc_id;
131 message->lazy_flags = 0;
133 /* the message is initially not synchronized with Xapian */
134 message->last_view = 0;
136 /* Calculated after the thread structure is computed */
137 message->thread_depth = 0;
139 /* Each of these will be lazily created as needed. */
140 message->message_id = NULL;
141 message->thread_id = NULL;
142 message->in_reply_to = NULL;
143 message->tag_list = NULL;
144 message->filename_term_list = NULL;
145 message->filename_list = NULL;
146 message->maildir_flags = NULL;
147 message->message_file = NULL;
148 message->author = NULL;
149 message->property_term_list = NULL;
150 message->property_map = NULL;
151 message->reference_list = NULL;
153 message->replies = _notmuch_message_list_create (message);
154 if (unlikely (message->replies == NULL)) {
156 *status = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
160 /* This is C++'s creepy "placement new", which is really just an
161 * ugly way to call a constructor for a pre-allocated object. So
162 * it's really not an error to not be checking for OUT_OF_MEMORY
163 * here, since this "new" isn't actually allocating memory. This
164 * is language-design comedy of the wrong kind. */
166 new (&message->doc) Xapian::Document;
168 talloc_set_destructor (message, _notmuch_message_destructor);
171 message->termpos = 0;
172 message->modified = false;
177 /* Create a new notmuch_message_t object for an existing document in
180 * Here, 'talloc owner' is an optional talloc context to which the new
181 * message will belong. This allows for the caller to not bother
182 * calling notmuch_message_destroy on the message, and know that all
183 * memory will be reclaimed when 'talloc_owner' is freed. The caller
184 * still can call notmuch_message_destroy when finished with the
185 * message if desired.
187 * The 'talloc_owner' argument can also be NULL, in which case the
188 * caller *is* responsible for calling notmuch_message_destroy.
190 * If no document exists in the database with document ID of 'doc_id'
191 * then this function returns NULL and optionally sets *status to
192 * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND.
194 * This function can also fail to due lack of available memory,
195 * returning NULL and optionally setting *status to
196 * NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY.
198 * The caller can pass NULL for status if uninterested in
199 * distinguishing these two cases.
202 _notmuch_message_create (const void *talloc_owner,
203 notmuch_database_t *notmuch,
205 notmuch_private_status_t *status)
207 Xapian::Document doc;
210 doc = notmuch->xapian_db->get_document (doc_id);
211 } catch (const Xapian::DocNotFoundError &error) {
213 *status = NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND;
217 return _notmuch_message_create_for_document (talloc_owner, notmuch,
218 doc_id, doc, status);
221 /* Create a new notmuch_message_t object for a specific message ID,
222 * (which may or may not already exist in the database).
224 * The 'notmuch' database will be the talloc owner of the returned
227 * This function returns a valid notmuch_message_t whether or not
228 * there is already a document in the database with the given message
229 * ID. These two cases can be distinguished by the value of *status:
232 * NOTMUCH_PRIVATE_STATUS_SUCCESS:
234 * There is already a document with message ID 'message_id' in the
235 * database. The returned message can be used to query/modify the
236 * document. The message may be a ghost message.
238 * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND:
240 * No document with 'message_id' exists in the database. The
241 * returned message contains a newly created document (not yet
242 * added to the database) and a document ID that is known not to
243 * exist in the database. This message is "blank"; that is, it
244 * contains only a message ID and no other metadata. The caller
245 * can modify the message, and a call to _notmuch_message_sync
246 * will add the document to the database.
248 * If an error occurs, this function will return NULL and *status
249 * will be set as appropriate. (The status pointer argument must
253 _notmuch_message_create_for_message_id (notmuch_database_t *notmuch,
254 const char *message_id,
255 notmuch_private_status_t *status_ret)
257 notmuch_message_t *message;
258 Xapian::Document doc;
262 *status_ret = (notmuch_private_status_t) notmuch_database_find_message (notmuch,
266 return talloc_steal (notmuch, message);
267 else if (*status_ret)
270 /* If the message ID is too long, substitute its sha1 instead. */
271 if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX)
272 message_id = _notmuch_message_id_compressed (message, message_id);
274 term = talloc_asprintf (NULL, "%s%s",
275 _find_prefix ("id"), message_id);
277 *status_ret = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
281 if (_notmuch_database_mode (notmuch) == NOTMUCH_DATABASE_MODE_READ_ONLY)
282 INTERNAL_ERROR ("Failure to ensure database is writable.");
285 doc.add_term (term, 0);
288 doc.add_value (NOTMUCH_VALUE_MESSAGE_ID, message_id);
290 doc_id = _notmuch_database_generate_doc_id (notmuch);
291 } catch (const Xapian::Error &error) {
292 _notmuch_database_log (notmuch,
293 "A Xapian exception occurred creating message: %s\n",
294 error.get_msg ().c_str ());
295 notmuch->exception_reported = true;
296 *status_ret = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
300 message = _notmuch_message_create_for_document (notmuch, notmuch,
301 doc_id, doc, status_ret);
303 /* We want to inform the caller that we had to create a new
305 if (*status_ret == NOTMUCH_PRIVATE_STATUS_SUCCESS)
306 *status_ret = NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND;
312 _notmuch_message_get_term (notmuch_message_t *message,
313 Xapian::TermIterator &i, Xapian::TermIterator &end,
316 int prefix_len = strlen (prefix);
324 const std::string &term = *i;
326 if (strncmp (term.c_str (), prefix, prefix_len))
329 value = talloc_strdup (message, term.c_str () + prefix_len);
331 #if DEBUG_DATABASE_SANITY
334 if (i != end && strncmp ((*i).c_str (), prefix, prefix_len) == 0) {
335 INTERNAL_ERROR ("Mail (doc_id: %d) has duplicate %s terms: %s and %s\n",
336 message->doc_id, prefix, value,
337 (*i).c_str () + prefix_len);
345 _notmuch_message_ensure_metadata (notmuch_message_t *message, void *field)
347 Xapian::TermIterator i, end;
349 if (field && (message->last_view >= message->notmuch->view))
352 const char *thread_prefix = _find_prefix ("thread"),
353 *tag_prefix = _find_prefix ("tag"),
354 *id_prefix = _find_prefix ("id"),
355 *type_prefix = _find_prefix ("type"),
356 *filename_prefix = _find_prefix ("file-direntry"),
357 *property_prefix = _find_prefix ("property"),
358 *reference_prefix = _find_prefix ("reference"),
359 *replyto_prefix = _find_prefix ("replyto");
361 /* We do this all in a single pass because Xapian decompresses the
362 * term list every time you iterate over it. Thus, while this is
363 * slightly more costly than looking up individual fields if only
364 * one field of the message object is actually used, it's a huge
365 * win as more fields are used. */
366 for (int count = 0; count < 3; count++) {
368 i = message->doc.termlist_begin ();
369 end = message->doc.termlist_end ();
372 if (! message->thread_id)
374 _notmuch_message_get_term (message, i, end, thread_prefix);
377 assert (strcmp (thread_prefix, tag_prefix) < 0);
378 if (! message->tag_list) {
380 _notmuch_database_get_terms_with_prefix (message, i, end,
382 _notmuch_string_list_sort (message->tag_list);
386 assert (strcmp (tag_prefix, id_prefix) < 0);
387 if (! message->message_id)
388 message->message_id =
389 _notmuch_message_get_term (message, i, end, id_prefix);
391 /* Get document type */
392 assert (strcmp (id_prefix, type_prefix) < 0);
393 if (! NOTMUCH_TEST_BIT (message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST)) {
394 i.skip_to (type_prefix);
395 /* "T" is the prefix "type" fields. See
396 * BOOLEAN_PREFIX_INTERNAL. */
398 NOTMUCH_CLEAR_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
399 else if (*i == "Tghost")
400 NOTMUCH_SET_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
402 INTERNAL_ERROR ("Message without type term");
403 NOTMUCH_SET_BIT (&message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST);
406 /* Get filename list. Here we get only the terms. We lazily
407 * expand them to full file names when needed in
408 * _notmuch_message_ensure_filename_list. */
409 assert (strcmp (type_prefix, filename_prefix) < 0);
410 if (! message->filename_term_list && ! message->filename_list)
411 message->filename_term_list =
412 _notmuch_database_get_terms_with_prefix (message, i, end,
416 /* Get property terms. Mimic the setup with filenames above */
417 assert (strcmp (filename_prefix, property_prefix) < 0);
418 if (! message->property_map && ! message->property_term_list)
419 message->property_term_list =
420 _notmuch_database_get_terms_with_prefix (message, i, end,
424 assert (strcmp (property_prefix, reference_prefix) < 0);
425 if (! message->reference_list) {
426 message->reference_list =
427 _notmuch_database_get_terms_with_prefix (message, i, end,
432 assert (strcmp (property_prefix, replyto_prefix) < 0);
433 if (! message->in_reply_to)
434 message->in_reply_to =
435 _notmuch_message_get_term (message, i, end, replyto_prefix);
438 /* It's perfectly valid for a message to have no In-Reply-To
439 * header. For these cases, we return an empty string. */
440 if (! message->in_reply_to)
441 message->in_reply_to = talloc_strdup (message, "");
443 /* all the way without an exception */
445 } catch (const Xapian::DatabaseModifiedError &error) {
446 notmuch_status_t status = notmuch_database_reopen (message->notmuch,
447 NOTMUCH_DATABASE_MODE_READ_ONLY);
448 if (status != NOTMUCH_STATUS_SUCCESS)
449 INTERNAL_ERROR ("unhandled error from notmuch_database_reopen: %s\n",
450 notmuch_status_to_string (status));
453 message->last_view = message->notmuch->view;
457 _notmuch_message_invalidate_metadata (notmuch_message_t *message,
458 const char *prefix_name)
460 if (strcmp ("thread", prefix_name) == 0) {
461 talloc_free (message->thread_id);
462 message->thread_id = NULL;
465 if (strcmp ("tag", prefix_name) == 0) {
466 talloc_unlink (message, message->tag_list);
467 message->tag_list = NULL;
470 if (strcmp ("type", prefix_name) == 0) {
471 NOTMUCH_CLEAR_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
472 NOTMUCH_CLEAR_BIT (&message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST);
475 if (strcmp ("file-direntry", prefix_name) == 0) {
476 talloc_free (message->filename_term_list);
477 talloc_free (message->filename_list);
478 message->filename_term_list = message->filename_list = NULL;
481 if (strcmp ("property", prefix_name) == 0) {
483 if (message->property_term_list)
484 talloc_free (message->property_term_list);
485 message->property_term_list = NULL;
487 if (message->property_map)
488 talloc_unlink (message, message->property_map);
490 message->property_map = NULL;
493 if (strcmp ("replyto", prefix_name) == 0) {
494 talloc_free (message->in_reply_to);
495 message->in_reply_to = NULL;
500 _notmuch_message_get_doc_id (notmuch_message_t *message)
502 return message->doc_id;
506 notmuch_message_get_message_id (notmuch_message_t *message)
509 _notmuch_message_ensure_metadata (message, message->message_id);
510 } catch (const Xapian::Error &error) {
511 LOG_XAPIAN_EXCEPTION (message, error);
515 if (! message->message_id)
516 INTERNAL_ERROR ("Message with document ID of %u has no message ID.\n",
518 return message->message_id;
522 _notmuch_message_ensure_message_file (notmuch_message_t *message)
524 const char *filename;
526 if (message->message_file)
529 filename = notmuch_message_get_filename (message);
530 if (unlikely (filename == NULL))
533 message->message_file = _notmuch_message_file_open_ctx (
534 notmuch_message_get_database (message), message, filename);
538 notmuch_message_get_header (notmuch_message_t *message, const char *header)
540 Xapian::valueno slot = Xapian::BAD_VALUENO;
542 /* Fetch header from the appropriate xapian value field if
544 if (strcasecmp (header, "from") == 0)
545 slot = NOTMUCH_VALUE_FROM;
546 else if (strcasecmp (header, "subject") == 0)
547 slot = NOTMUCH_VALUE_SUBJECT;
548 else if (strcasecmp (header, "message-id") == 0)
549 slot = NOTMUCH_VALUE_MESSAGE_ID;
551 if (slot != Xapian::BAD_VALUENO) {
553 std::string value = message->doc.get_value (slot);
555 /* If we have NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES, then
556 * empty values indicate empty headers. If we don't, then
557 * it could just mean we didn't record the header. */
558 if ((message->notmuch->features &
559 NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES) ||
561 return talloc_strdup (message, value.c_str ());
563 } catch (Xapian::Error &error) {
564 LOG_XAPIAN_EXCEPTION (message, error);
569 /* Otherwise fall back to parsing the file */
570 _notmuch_message_ensure_message_file (message);
571 if (message->message_file == NULL)
574 return _notmuch_message_file_get_header (message->message_file, header);
577 /* Return the message ID from the In-Reply-To header of 'message'.
579 * Returns an empty string ("") if 'message' has no In-Reply-To
582 * Returns NULL if any error occurs.
585 _notmuch_message_get_in_reply_to (notmuch_message_t *message)
587 _notmuch_message_ensure_metadata (message, message->in_reply_to);
588 return message->in_reply_to;
592 notmuch_message_get_thread_id (notmuch_message_t *message)
595 _notmuch_message_ensure_metadata (message, message->thread_id);
596 } catch (Xapian::Error &error) {
597 LOG_XAPIAN_EXCEPTION (message, error);
600 if (! message->thread_id)
601 INTERNAL_ERROR ("Message with document ID of %u has no thread ID.\n",
603 return message->thread_id;
607 _notmuch_message_add_reply (notmuch_message_t *message,
608 notmuch_message_t *reply)
610 _notmuch_message_list_add_message (message->replies, reply);
614 _notmuch_message_get_thread_depth (notmuch_message_t *message)
616 return message->thread_depth;
620 _notmuch_message_label_depths (notmuch_message_t *message,
623 message->thread_depth = depth;
625 for (notmuch_messages_t *messages = _notmuch_messages_create (message->replies);
626 notmuch_messages_valid (messages);
627 notmuch_messages_move_to_next (messages)) {
628 notmuch_message_t *child = notmuch_messages_get (messages);
629 _notmuch_message_label_depths (child, depth + 1);
633 const notmuch_string_list_t *
634 _notmuch_message_get_references (notmuch_message_t *message)
636 _notmuch_message_ensure_metadata (message, message->reference_list);
637 return message->reference_list;
641 _cmpmsg (const void *pa, const void *pb)
643 notmuch_message_t **a = (notmuch_message_t **) pa;
644 notmuch_message_t **b = (notmuch_message_t **) pb;
645 time_t time_a = notmuch_message_get_date (*a);
646 time_t time_b = notmuch_message_get_date (*b);
648 if (time_a == time_b)
650 else if (time_a < time_b)
656 notmuch_message_list_t *
657 _notmuch_message_sort_subtrees (void *ctx, notmuch_message_list_t *list)
661 size_t capacity = 16;
666 void *local = talloc_new (NULL);
667 notmuch_message_list_t *new_list = _notmuch_message_list_create (ctx);
668 notmuch_message_t **message_array = talloc_zero_array (local, notmuch_message_t *, capacity);
670 for (notmuch_messages_t *messages = _notmuch_messages_create (list);
671 notmuch_messages_valid (messages);
672 notmuch_messages_move_to_next (messages)) {
673 notmuch_message_t *root = notmuch_messages_get (messages);
674 if (count >= capacity) {
676 message_array = talloc_realloc (local, message_array, notmuch_message_t *, capacity);
678 message_array[count++] = root;
679 root->replies = _notmuch_message_sort_subtrees (root, root->replies);
682 qsort (message_array, count, sizeof (notmuch_message_t *), _cmpmsg);
683 for (size_t i = 0; i < count; i++) {
684 _notmuch_message_list_add_message (new_list, message_array[i]);
693 notmuch_message_get_replies (notmuch_message_t *message)
695 return _notmuch_messages_create (message->replies);
699 _notmuch_message_remove_terms (notmuch_message_t *message, const char *prefix)
701 Xapian::TermIterator i;
702 size_t prefix_len = 0;
704 prefix_len = strlen (prefix);
707 i = message->doc.termlist_begin ();
710 /* Terminate loop when no terms remain with desired prefix. */
711 if (i == message->doc.termlist_end () ||
712 strncmp ((*i).c_str (), prefix, prefix_len))
716 message->doc.remove_term ((*i));
717 message->modified = true;
718 } catch (const Xapian::InvalidArgumentError) {
719 /* Ignore failure to remove non-existent term. */
725 /* Remove all terms generated by indexing, i.e. not tags or
726 * properties, along with any automatic tags*/
727 /* According to Xapian API docs, none of these calls throw
729 static notmuch_private_status_t
730 _notmuch_message_remove_indexed_terms (notmuch_message_t *message)
732 Xapian::TermIterator i;
735 id_prefix = _find_prefix ("id"),
736 property_prefix = _find_prefix ("property"),
737 tag_prefix = _find_prefix ("tag"),
738 type_prefix = _find_prefix ("type");
740 /* Make sure we have the data to restore to Xapian*/
741 _notmuch_message_ensure_metadata (message, NULL);
743 /* Empirically, it turns out to be faster to remove all the terms,
744 * and add back the ones we want. */
745 message->doc.clear_terms ();
746 message->modified = true;
748 /* still a mail message */
749 message->doc.add_term (type_prefix + "mail");
751 /* Put back message-id */
752 message->doc.add_term (id_prefix + message->message_id);
754 /* Put back non-automatic tags */
755 for (notmuch_tags_t *tags = notmuch_message_get_tags (message);
756 notmuch_tags_valid (tags);
757 notmuch_tags_move_to_next (tags)) {
759 const char *tag = notmuch_tags_get (tags);
761 if (strcmp (tag, "encrypted") != 0 &&
762 strcmp (tag, "signed") != 0 &&
763 strcmp (tag, "attachment") != 0) {
764 std::string term = tag_prefix + tag;
765 message->doc.add_term (term);
769 /* Put back properties */
770 notmuch_message_properties_t *list;
772 for (list = notmuch_message_get_properties (message, "", false);
773 notmuch_message_properties_valid (list); notmuch_message_properties_move_to_next (list)) {
774 std::string term = property_prefix +
775 notmuch_message_properties_key (list) + "=" +
776 notmuch_message_properties_value (list);
778 message->doc.add_term (term);
781 notmuch_message_properties_destroy (list);
783 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
787 /* Return true if p points at "new" or "cur". */
789 is_maildir (const char *p)
791 return strcmp (p, "cur") == 0 || strcmp (p, "new") == 0;
794 /* Add "folder:" term for directory. */
795 static notmuch_status_t
796 _notmuch_message_add_folder_terms (notmuch_message_t *message,
797 const char *directory)
801 folder = talloc_strdup (NULL, directory);
803 return NOTMUCH_STATUS_OUT_OF_MEMORY;
806 * If the message file is in a leaf directory named "new" or
807 * "cur", presume maildir and index the parent directory. Thus a
808 * "folder:" prefix search matches messages in the specified
809 * maildir folder, i.e. in the specified directory and its "new"
810 * and "cur" subdirectories.
812 * Note that this means the "folder:" prefix can't be used for
813 * distinguishing between message files in "new" or "cur". The
814 * "path:" prefix needs to be used for that.
816 * Note the deliberate difference to _filename_is_in_maildir(). We
817 * don't want to index different things depending on the existence
818 * or non-existence of all maildir sibling directories "new",
819 * "cur", and "tmp". Doing so would be surprising, and difficult
820 * for the user to fix in case all subdirectories were not in
821 * place during indexing.
823 last = strrchr (folder, '/');
825 if (is_maildir (last + 1))
827 } else if (is_maildir (folder)) {
831 _notmuch_message_add_term (message, "folder", folder);
833 talloc_free (folder);
835 message->modified = true;
836 return NOTMUCH_STATUS_SUCCESS;
839 #define RECURSIVE_SUFFIX "/**"
841 /* Add "path:" terms for directory. */
842 static notmuch_status_t
843 _notmuch_message_add_path_terms (notmuch_message_t *message,
844 const char *directory)
846 /* Add exact "path:" term. */
847 _notmuch_message_add_term (message, "path", directory);
849 if (strlen (directory)) {
852 path = talloc_asprintf (NULL, "%s%s", directory, RECURSIVE_SUFFIX);
854 return NOTMUCH_STATUS_OUT_OF_MEMORY;
856 /* Add recursive "path:" terms for directory and all parents. */
857 for (p = path + strlen (path) - 1; p > path; p--) {
859 strcpy (p, RECURSIVE_SUFFIX);
860 _notmuch_message_add_term (message, "path", path);
867 /* Recursive all-matching path:** for consistency. */
868 _notmuch_message_add_term (message, "path", "**");
870 return NOTMUCH_STATUS_SUCCESS;
873 /* Add directory based terms for all filenames of the message. */
874 static notmuch_status_t
875 _notmuch_message_add_directory_terms (void *ctx, notmuch_message_t *message)
877 const char *direntry_prefix = _find_prefix ("file-direntry");
878 int direntry_prefix_len = strlen (direntry_prefix);
879 Xapian::TermIterator i = message->doc.termlist_begin ();
880 notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
882 for (i.skip_to (direntry_prefix); i != message->doc.termlist_end (); i++) {
883 unsigned int directory_id;
884 const char *direntry, *directory;
886 const std::string &term = *i;
888 /* Terminate loop at first term without desired prefix. */
889 if (strncmp (term.c_str (), direntry_prefix, direntry_prefix_len))
892 /* Indicate that there are filenames remaining. */
893 status = NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID;
895 direntry = term.c_str ();
896 direntry += direntry_prefix_len;
898 directory_id = strtol (direntry, &colon, 10);
900 if (colon == NULL || *colon != ':')
901 INTERNAL_ERROR ("malformed direntry");
903 directory = _notmuch_database_get_directory_path (ctx,
907 _notmuch_message_add_folder_terms (message, directory);
908 _notmuch_message_add_path_terms (message, directory);
914 /* Add an additional 'filename' for 'message'.
916 * This change will not be reflected in the database until the next
917 * call to _notmuch_message_sync. */
919 _notmuch_message_add_filename (notmuch_message_t *message,
920 const char *filename)
922 const char *relative, *directory;
923 notmuch_status_t status;
924 void *local = talloc_new (message);
927 if (filename == NULL)
928 INTERNAL_ERROR ("Message filename cannot be NULL.");
930 if (! (message->notmuch->features & NOTMUCH_FEATURE_FILE_TERMS) ||
931 ! (message->notmuch->features & NOTMUCH_FEATURE_BOOL_FOLDER))
932 return NOTMUCH_STATUS_UPGRADE_REQUIRED;
934 relative = _notmuch_database_relative_path (message->notmuch, filename);
936 status = _notmuch_database_split_path (local, relative, &directory, NULL);
940 status = _notmuch_database_filename_to_direntry (
941 local, message->notmuch, filename, NOTMUCH_FIND_CREATE, &direntry);
945 /* New file-direntry allows navigating to this message with
946 * notmuch_directory_get_child_files() . */
947 _notmuch_message_add_term (message, "file-direntry", direntry);
949 _notmuch_message_add_folder_terms (message, directory);
950 _notmuch_message_add_path_terms (message, directory);
954 return NOTMUCH_STATUS_SUCCESS;
957 /* Remove a particular 'filename' from 'message'.
959 * This change will not be reflected in the database until the next
960 * call to _notmuch_message_sync.
962 * If this message still has other filenames, returns
963 * NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID.
965 * Note: This function does not remove a document from the database,
966 * even if the specified filename is the only filename for this
967 * message. For that functionality, see
968 * notmuch_database_remove_message. */
970 _notmuch_message_remove_filename (notmuch_message_t *message,
971 const char *filename)
973 void *local = talloc_new (message);
975 notmuch_private_status_t private_status;
976 notmuch_status_t status;
978 if (! (message->notmuch->features & NOTMUCH_FEATURE_FILE_TERMS) ||
979 ! (message->notmuch->features & NOTMUCH_FEATURE_BOOL_FOLDER))
980 return NOTMUCH_STATUS_UPGRADE_REQUIRED;
982 status = _notmuch_database_filename_to_direntry (
983 local, message->notmuch, filename, NOTMUCH_FIND_LOOKUP, &direntry);
984 if (status || ! direntry)
987 /* Unlink this file from its parent directory. */
988 private_status = _notmuch_message_remove_term (message,
989 "file-direntry", direntry);
990 status = COERCE_STATUS (private_status,
991 "Unexpected error from _notmuch_message_remove_term");
995 /* Re-synchronize "folder:" and "path:" terms for this message. */
997 /* Remove all "folder:" terms. */
998 _notmuch_message_remove_terms (message, _find_prefix ("folder"));
1000 /* Remove all "path:" terms. */
1001 _notmuch_message_remove_terms (message, _find_prefix ("path"));
1003 /* Add back terms for all remaining filenames of the message. */
1004 status = _notmuch_message_add_directory_terms (local, message);
1006 talloc_free (local);
1011 /* Upgrade the "folder:" prefix from V1 to V2. */
1012 #define FOLDER_PREFIX_V1 "XFOLDER"
1013 #define ZFOLDER_PREFIX_V1 "Z" FOLDER_PREFIX_V1
1015 _notmuch_message_upgrade_folder (notmuch_message_t *message)
1017 /* Remove all old "folder:" terms. */
1018 _notmuch_message_remove_terms (message, FOLDER_PREFIX_V1);
1020 /* Remove all old "folder:" stemmed terms. */
1021 _notmuch_message_remove_terms (message, ZFOLDER_PREFIX_V1);
1023 /* Add new boolean "folder:" and "path:" terms. */
1024 _notmuch_message_add_directory_terms (message, message);
1028 _notmuch_message_talloc_copy_data (notmuch_message_t *message)
1030 return talloc_strdup (message, message->doc.get_data ().c_str ());
1034 _notmuch_message_clear_data (notmuch_message_t *message)
1036 message->doc.set_data ("");
1037 message->modified = true;
1041 _notmuch_message_ensure_filename_list (notmuch_message_t *message)
1043 notmuch_string_node_t *node;
1045 if (message->filename_list)
1048 _notmuch_message_ensure_metadata (message, message->filename_term_list);
1050 message->filename_list = _notmuch_string_list_create (message);
1051 node = message->filename_term_list->head;
1054 /* A message document created by an old version of notmuch
1055 * (prior to rename support) will have the filename in the
1056 * data of the document rather than as a file-direntry term.
1058 * It would be nice to do the upgrade of the document directly
1059 * here, but the database is likely open in read-only mode. */
1061 std::string datastr = message->doc.get_data ();
1062 const char *data = datastr.c_str ();
1065 INTERNAL_ERROR ("message with no filename");
1067 _notmuch_string_list_append (message->filename_list, data);
1072 for (; node; node = node->next) {
1073 void *local = talloc_new (message);
1074 const char *db_path, *directory, *basename, *filename;
1075 char *colon, *direntry = NULL;
1076 unsigned int directory_id;
1078 direntry = node->string;
1080 directory_id = strtol (direntry, &colon, 10);
1082 if (colon == NULL || *colon != ':')
1083 INTERNAL_ERROR ("malformed direntry");
1085 basename = colon + 1;
1089 db_path = notmuch_config_get (message->notmuch, NOTMUCH_CONFIG_MAIL_ROOT);
1091 directory = _notmuch_database_get_directory_path (local,
1095 if (strlen (directory))
1096 filename = talloc_asprintf (message, "%s/%s/%s",
1097 db_path, directory, basename);
1099 filename = talloc_asprintf (message, "%s/%s",
1102 _notmuch_string_list_append (message->filename_list, filename);
1104 talloc_free (local);
1107 talloc_free (message->filename_term_list);
1108 message->filename_term_list = NULL;
1112 notmuch_message_get_filename (notmuch_message_t *message)
1115 _notmuch_message_ensure_filename_list (message);
1116 } catch (Xapian::Error &error) {
1117 LOG_XAPIAN_EXCEPTION (message, error);
1121 if (message->filename_list == NULL)
1124 if (message->filename_list->head == NULL ||
1125 message->filename_list->head->string == NULL) {
1126 INTERNAL_ERROR ("message with no filename");
1129 return message->filename_list->head->string;
1132 notmuch_filenames_t *
1133 notmuch_message_get_filenames (notmuch_message_t *message)
1136 _notmuch_message_ensure_filename_list (message);
1137 } catch (Xapian::Error &error) {
1138 LOG_XAPIAN_EXCEPTION (message, error);
1142 return _notmuch_filenames_create (message, message->filename_list);
1146 notmuch_message_count_files (notmuch_message_t *message)
1149 _notmuch_message_ensure_filename_list (message);
1150 } catch (Xapian::Error &error) {
1151 LOG_XAPIAN_EXCEPTION (message, error);
1155 return _notmuch_string_list_length (message->filename_list);
1159 notmuch_message_get_flag_st (notmuch_message_t *message,
1160 notmuch_message_flag_t flag,
1161 notmuch_bool_t *is_set)
1164 return NOTMUCH_STATUS_NULL_POINTER;
1167 if (flag == NOTMUCH_MESSAGE_FLAG_GHOST &&
1168 ! NOTMUCH_TEST_BIT (message->lazy_flags, flag))
1169 _notmuch_message_ensure_metadata (message, NULL);
1170 } catch (Xapian::Error &error) {
1171 LOG_XAPIAN_EXCEPTION (message, error);
1172 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
1175 *is_set = NOTMUCH_TEST_BIT (message->flags, flag);
1176 return NOTMUCH_STATUS_SUCCESS;
1180 notmuch_message_get_flag (notmuch_message_t *message,
1181 notmuch_message_flag_t flag)
1183 notmuch_bool_t is_set;
1184 notmuch_status_t status;
1186 status = notmuch_message_get_flag_st (message, flag, &is_set);
1195 notmuch_message_set_flag (notmuch_message_t *message,
1196 notmuch_message_flag_t flag, notmuch_bool_t enable)
1199 NOTMUCH_SET_BIT (&message->flags, flag);
1201 NOTMUCH_CLEAR_BIT (&message->flags, flag);
1202 NOTMUCH_SET_BIT (&message->lazy_flags, flag);
1206 notmuch_message_get_date (notmuch_message_t *message)
1211 value = message->doc.get_value (NOTMUCH_VALUE_TIMESTAMP);
1212 } catch (Xapian::Error &error) {
1213 LOG_XAPIAN_EXCEPTION (message, error);
1218 /* sortable_unserialise is undefined on empty string */
1220 return Xapian::sortable_unserialise (value);
1224 notmuch_message_get_tags (notmuch_message_t *message)
1226 notmuch_tags_t *tags;
1229 _notmuch_message_ensure_metadata (message, message->tag_list);
1230 } catch (Xapian::Error &error) {
1231 LOG_XAPIAN_EXCEPTION (message, error);
1235 tags = _notmuch_tags_create (message, message->tag_list);
1236 /* _notmuch_tags_create steals the reference to the tag_list, but
1237 * in this case it's still used by the message, so we add an
1238 * *additional* talloc reference to the list. As a result, it's
1239 * possible to modify the message tags (which talloc_unlink's the
1240 * current list from the message) while still iterating because
1241 * the iterator will keep the current list alive. */
1242 if (! talloc_reference (message, message->tag_list))
1249 _notmuch_message_get_author (notmuch_message_t *message)
1251 return message->author;
1255 _notmuch_message_set_author (notmuch_message_t *message,
1258 if (message->author)
1259 talloc_free (message->author);
1260 message->author = talloc_strdup (message, author);
1265 _notmuch_message_set_header_values (notmuch_message_t *message,
1268 const char *subject)
1272 /* GMime really doesn't want to see a NULL date, so protect its
1274 if (date == NULL || *date == '\0') {
1277 time_value = g_mime_utils_header_decode_date_unix (date);
1279 * Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=779923
1285 message->doc.add_value (NOTMUCH_VALUE_TIMESTAMP,
1286 Xapian::sortable_serialise (time_value));
1287 message->doc.add_value (NOTMUCH_VALUE_FROM, from);
1288 message->doc.add_value (NOTMUCH_VALUE_SUBJECT, subject);
1289 message->modified = true;
1293 _notmuch_message_update_subject (notmuch_message_t *message,
1294 const char *subject)
1296 message->doc.add_value (NOTMUCH_VALUE_SUBJECT, subject);
1297 message->modified = true;
1300 /* Upgrade a message to support NOTMUCH_FEATURE_LAST_MOD. The caller
1301 * must call _notmuch_message_sync. */
1303 _notmuch_message_upgrade_last_mod (notmuch_message_t *message)
1305 /* _notmuch_message_sync will update the last modification
1306 * revision; we just have to ask it to. */
1307 message->modified = true;
1310 /* Synchronize changes made to message->doc out into the database. */
1312 _notmuch_message_sync (notmuch_message_t *message)
1314 if (_notmuch_database_mode (message->notmuch) == NOTMUCH_DATABASE_MODE_READ_ONLY)
1317 if (! message->modified)
1320 /* Update the last modification of this message. */
1321 if (message->notmuch->features & NOTMUCH_FEATURE_LAST_MOD)
1322 /* sortable_serialise gives a reasonably compact encoding,
1323 * which directly translates to reduced IO when scanning the
1324 * value stream. Since it's built for doubles, we only get 53
1325 * effective bits, but that's still enough for the database to
1326 * last a few centuries at 1 million revisions per second. */
1327 message->doc.add_value (NOTMUCH_VALUE_LAST_MOD,
1328 Xapian::sortable_serialise (
1329 _notmuch_database_new_revision (
1330 message->notmuch)));
1332 message->notmuch->writable_xapian_db->
1333 replace_document (message->doc_id, message->doc);
1334 message->modified = false;
1337 /* Delete a message document from the database, leaving a ghost
1338 * message in its place */
1340 _notmuch_message_delete (notmuch_message_t *message)
1342 notmuch_status_t status;
1343 const char *mid, *tid;
1344 notmuch_message_t *ghost;
1345 notmuch_private_status_t private_status;
1346 notmuch_database_t *notmuch;
1347 unsigned int count = 0;
1350 mid = notmuch_message_get_message_id (message);
1351 tid = notmuch_message_get_thread_id (message);
1352 notmuch = message->notmuch;
1354 status = _notmuch_database_ensure_writable (message->notmuch);
1358 message->notmuch->writable_xapian_db->delete_document (message->doc_id);
1360 /* if this was a ghost to begin with, we are done */
1361 private_status = _notmuch_message_has_term (message, "type", "ghost", &is_ghost);
1363 return COERCE_STATUS (private_status,
1364 "Error trying to determine whether message was a ghost");
1366 return NOTMUCH_STATUS_SUCCESS;
1368 /* look for a non-ghost message in the same thread */
1370 Xapian::PostingIterator thread_doc, thread_doc_end;
1371 Xapian::PostingIterator mail_doc, mail_doc_end;
1373 _notmuch_database_find_doc_ids (message->notmuch, "thread", tid, &thread_doc,
1375 _notmuch_database_find_doc_ids (message->notmuch, "type", "mail", &mail_doc, &mail_doc_end);
1377 while (count == 0 &&
1378 thread_doc != thread_doc_end &&
1379 mail_doc != mail_doc_end) {
1380 thread_doc.skip_to (*mail_doc);
1381 if (thread_doc != thread_doc_end) {
1382 if (*thread_doc == *mail_doc) {
1385 mail_doc.skip_to (*thread_doc);
1386 if (mail_doc != mail_doc_end && *thread_doc == *mail_doc)
1391 } catch (Xapian::Error &error) {
1392 LOG_XAPIAN_EXCEPTION (message, error);
1393 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
1396 /* reintroduce a ghost in its place because there are still
1397 * other active messages in this thread: */
1398 ghost = _notmuch_message_create_for_message_id (notmuch, mid, &private_status);
1399 if (private_status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND) {
1400 private_status = _notmuch_message_initialize_ghost (ghost, tid);
1401 if (! private_status)
1402 _notmuch_message_sync (ghost);
1403 } else if (private_status == NOTMUCH_PRIVATE_STATUS_SUCCESS) {
1404 /* this is deeply weird, and we should not have gotten
1405 * into this state. is there a better error message to
1407 status = NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID;
1410 notmuch_message_destroy (ghost);
1411 status = COERCE_STATUS (private_status, "Error converting to ghost message");
1413 /* the thread now contains only ghosts: delete them */
1415 Xapian::PostingIterator doc, doc_end;
1417 _notmuch_database_find_doc_ids (message->notmuch, "thread", tid, &doc, &doc_end);
1419 for (; doc != doc_end; doc++) {
1420 message->notmuch->writable_xapian_db->delete_document (*doc);
1422 } catch (Xapian::Error &error) {
1423 LOG_XAPIAN_EXCEPTION (message, error);
1424 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
1431 /* Transform a blank message into a ghost message. The caller must
1432 * _notmuch_message_sync the message. */
1433 notmuch_private_status_t
1434 _notmuch_message_initialize_ghost (notmuch_message_t *message,
1435 const char *thread_id)
1437 notmuch_private_status_t status;
1439 status = _notmuch_message_add_term (message, "type", "ghost");
1442 status = _notmuch_message_add_term (message, "thread", thread_id);
1446 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
1449 /* Ensure that 'message' is not holding any file object open. Future
1450 * calls to various functions will still automatically open the
1451 * message file as needed.
1454 _notmuch_message_close (notmuch_message_t *message)
1456 if (message->message_file) {
1457 _notmuch_message_file_close (message->message_file);
1458 message->message_file = NULL;
1462 /* Add a name:value term to 'message', (the actual term will be
1463 * encoded by prefixing the value with a short prefix). See
1464 * NORMAL_PREFIX and BOOLEAN_PREFIX arrays for the mapping of term
1465 * names to prefix values.
1467 * This change will not be reflected in the database until the next
1468 * call to _notmuch_message_sync. */
1469 notmuch_private_status_t
1470 _notmuch_message_add_term (notmuch_message_t *message,
1471 const char *prefix_name,
1476 notmuch_private_status_t status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
1479 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1481 term = talloc_asprintf (message, "%s%s",
1482 _find_prefix (prefix_name), value);
1483 if (strlen (term) > NOTMUCH_TERM_MAX) {
1484 status = NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
1489 message->doc.add_term (term, 0);
1490 message->modified = true;
1491 _notmuch_message_invalidate_metadata (message, prefix_name);
1492 } catch (Xapian::Error &error) {
1493 LOG_XAPIAN_EXCEPTION (message, error);
1494 status = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
1502 /* Parse 'text' and add a term to 'message' for each parsed word. Each
1503 * term will be added with the appropriate prefix if prefix_name is
1506 notmuch_private_status_t
1507 _notmuch_message_gen_terms (notmuch_message_t *message,
1508 const char *prefix_name,
1511 Xapian::TermGenerator *term_gen = message->notmuch->term_gen;
1514 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1516 term_gen->set_document (message->doc);
1517 term_gen->set_termpos (message->termpos);
1520 const char *prefix = _notmuch_database_prefix (message->notmuch, prefix_name);
1522 return NOTMUCH_PRIVATE_STATUS_BAD_PREFIX;
1524 _notmuch_message_invalidate_metadata (message, prefix_name);
1525 term_gen->index_text (text, 1, prefix);
1527 term_gen->index_text (text);
1530 /* Create a gap between this an the next terms so they don't
1531 * appear to be a phrase. */
1532 message->termpos = term_gen->get_termpos () + 100;
1534 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
1537 /* Remove a name:value term from 'message', (the actual term will be
1538 * encoded by prefixing the value with a short prefix). See
1539 * NORMAL_PREFIX and BOOLEAN_PREFIX arrays for the mapping of term
1540 * names to prefix values.
1542 * This change will not be reflected in the database until the next
1543 * call to _notmuch_message_sync. */
1544 notmuch_private_status_t
1545 _notmuch_message_remove_term (notmuch_message_t *message,
1546 const char *prefix_name,
1552 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1554 term = talloc_asprintf (message, "%s%s",
1555 _find_prefix (prefix_name), value);
1557 if (strlen (term) > NOTMUCH_TERM_MAX)
1558 return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
1561 message->doc.remove_term (term);
1562 message->modified = true;
1563 } catch (const Xapian::InvalidArgumentError &error) {
1564 /* We'll let the philosophers try to wrestle with the
1565 * question of whether failing to remove that which was not
1566 * there in the first place is failure. For us, we'll silently
1567 * consider it all good. */
1568 LOG_XAPIAN_EXCEPTION (message, error);
1573 _notmuch_message_invalidate_metadata (message, prefix_name);
1575 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
1578 notmuch_private_status_t
1579 _notmuch_message_has_term (notmuch_message_t *message,
1580 const char *prefix_name,
1586 notmuch_private_status_t status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
1589 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1591 term = talloc_asprintf (message, "%s%s",
1592 _find_prefix (prefix_name), value);
1594 if (strlen (term) > NOTMUCH_TERM_MAX)
1595 return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
1598 /* Look for the exact term */
1599 Xapian::TermIterator i = message->doc.termlist_begin ();
1601 if (i != message->doc.termlist_end () &&
1602 ! strcmp ((*i).c_str (), term))
1604 } catch (Xapian::Error &error) {
1605 status = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
1614 notmuch_message_add_tag (notmuch_message_t *message, const char *tag)
1616 notmuch_private_status_t private_status;
1617 notmuch_status_t status;
1620 status = _notmuch_database_ensure_writable (message->notmuch);
1625 return NOTMUCH_STATUS_NULL_POINTER;
1627 if (strlen (tag) > NOTMUCH_TAG_MAX)
1628 return NOTMUCH_STATUS_TAG_TOO_LONG;
1630 private_status = _notmuch_message_add_term (message, "tag", tag);
1631 if (private_status) {
1632 return COERCE_STATUS (private_status,
1633 "_notmuch_message_remove_term return unexpected value: %d\n",
1637 if (! message->frozen)
1638 _notmuch_message_sync (message);
1640 } catch (Xapian::Error &error) {
1641 LOG_XAPIAN_EXCEPTION (message, error);
1642 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
1645 return NOTMUCH_STATUS_SUCCESS;
1649 notmuch_message_remove_tag (notmuch_message_t *message, const char *tag)
1651 notmuch_private_status_t private_status;
1652 notmuch_status_t status;
1655 status = _notmuch_database_ensure_writable (message->notmuch);
1660 return NOTMUCH_STATUS_NULL_POINTER;
1662 if (strlen (tag) > NOTMUCH_TAG_MAX)
1663 return NOTMUCH_STATUS_TAG_TOO_LONG;
1665 private_status = _notmuch_message_remove_term (message, "tag", tag);
1666 if (private_status) {
1667 return COERCE_STATUS (private_status,
1668 "_notmuch_message_remove_term return unexpected value: %d\n",
1672 if (! message->frozen)
1673 _notmuch_message_sync (message);
1674 } catch (Xapian::Error &error) {
1675 LOG_XAPIAN_EXCEPTION (message, error);
1676 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
1679 return NOTMUCH_STATUS_SUCCESS;
1682 /* Is the given filename within a maildir directory?
1684 * Specifically, is the final directory component of 'filename' either
1685 * "cur" or "new". If so, return a pointer to that final directory
1686 * component within 'filename'. If not, return NULL.
1688 * A non-NULL return value is guaranteed to be a valid string pointer
1689 * pointing to the characters "new/" or "cur/", (but not
1693 _filename_is_in_maildir (const char *filename)
1695 const char *slash, *dir = NULL;
1697 /* Find the last '/' separating directory from filename. */
1698 slash = strrchr (filename, '/');
1702 /* Jump back 4 characters to where the previous '/' will be if the
1703 * directory is named "cur" or "new". */
1704 if (slash - filename < 4)
1714 if (STRNCMP_LITERAL (dir, "cur/") == 0 ||
1715 STRNCMP_LITERAL (dir, "new/") == 0) {
1722 static notmuch_status_t
1723 _ensure_maildir_flags (notmuch_message_t *message, bool force)
1726 notmuch_filenames_t *filenames;
1727 const char *filename, *dir;
1728 char *combined_flags = talloc_strdup (message, "");
1729 int seen_maildir_info = 0;
1731 if (message->maildir_flags) {
1733 talloc_free (message->maildir_flags);
1734 message->maildir_flags = NULL;
1737 filenames = notmuch_message_get_filenames (message);
1739 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
1741 notmuch_filenames_valid (filenames);
1742 notmuch_filenames_move_to_next (filenames)) {
1743 filename = notmuch_filenames_get (filenames);
1744 dir = _filename_is_in_maildir (filename);
1749 flags = strstr (filename, ":2,");
1751 seen_maildir_info = 1;
1753 combined_flags = talloc_strdup_append (combined_flags, flags);
1754 } else if (STRNCMP_LITERAL (dir, "new/") == 0) {
1755 /* Messages are delivered to new/ with no "info" part, but
1756 * they effectively have default maildir flags. According
1757 * to the spec, we should ignore the info part for
1758 * messages in new/, but some MUAs (mutt) can set maildir
1759 * flags on messages in new/, so we're liberal in what we
1761 seen_maildir_info = 1;
1764 if (seen_maildir_info)
1765 message->maildir_flags = combined_flags;
1766 return NOTMUCH_STATUS_SUCCESS;
1770 notmuch_message_has_maildir_flag (notmuch_message_t *message, char flag)
1772 notmuch_status_t status;
1775 status = notmuch_message_has_maildir_flag_st (message, flag, &ret);
1783 notmuch_message_has_maildir_flag_st (notmuch_message_t *message,
1785 notmuch_bool_t *is_set)
1787 notmuch_status_t status;
1790 return NOTMUCH_STATUS_NULL_POINTER;
1792 status = _ensure_maildir_flags (message, false);
1796 *is_set = message->maildir_flags && (strchr (message->maildir_flags, flag) != NULL);
1797 return NOTMUCH_STATUS_SUCCESS;
1801 notmuch_message_maildir_flags_to_tags (notmuch_message_t *message)
1803 notmuch_status_t status;
1806 status = _ensure_maildir_flags (message, true);
1809 /* If none of the filenames have any maildir info field (not even
1810 * an empty info with no flags set) then there's no information to
1811 * go on, so do nothing. */
1812 if (! message->maildir_flags)
1813 return NOTMUCH_STATUS_SUCCESS;
1815 status = notmuch_message_freeze (message);
1819 for (i = 0; i < ARRAY_SIZE (flag2tag); i++) {
1820 if ((strchr (message->maildir_flags, flag2tag[i].flag) != NULL)
1822 flag2tag[i].inverse) {
1823 status = notmuch_message_add_tag (message, flag2tag[i].tag);
1825 status = notmuch_message_remove_tag (message, flag2tag[i].tag);
1830 status = notmuch_message_thaw (message);
1835 /* From the set of tags on 'message' and the flag2tag table, compute a
1836 * set of maildir-flag actions to be taken, (flags that should be
1837 * either set or cleared).
1839 * The result is returned as two talloced strings: to_set, and to_clear
1842 _get_maildir_flag_actions (notmuch_message_t *message,
1844 char **to_clear_ret)
1846 char *to_set, *to_clear;
1847 notmuch_tags_t *tags;
1851 to_set = talloc_strdup (message, "");
1852 to_clear = talloc_strdup (message, "");
1854 /* First, find flags for all set tags. */
1855 for (tags = notmuch_message_get_tags (message);
1856 notmuch_tags_valid (tags);
1857 notmuch_tags_move_to_next (tags)) {
1858 tag = notmuch_tags_get (tags);
1860 for (i = 0; i < ARRAY_SIZE (flag2tag); i++) {
1861 if (strcmp (tag, flag2tag[i].tag) == 0) {
1862 if (flag2tag[i].inverse)
1863 to_clear = talloc_asprintf_append (to_clear,
1867 to_set = talloc_asprintf_append (to_set,
1874 /* Then, find the flags for all tags not present. */
1875 for (i = 0; i < ARRAY_SIZE (flag2tag); i++) {
1876 if (flag2tag[i].inverse) {
1877 if (strchr (to_clear, flag2tag[i].flag) == NULL)
1878 to_set = talloc_asprintf_append (to_set, "%c", flag2tag[i].flag);
1880 if (strchr (to_set, flag2tag[i].flag) == NULL)
1881 to_clear = talloc_asprintf_append (to_clear, "%c", flag2tag[i].flag);
1885 *to_set_ret = to_set;
1886 *to_clear_ret = to_clear;
1889 /* Given 'filename' and a set of maildir flags to set and to clear,
1890 * compute the new maildir filename.
1892 * If the existing filename is in the directory "new", the new
1893 * filename will be in the directory "cur", except for the case when
1894 * no flags are changed and the existing filename does not contain
1895 * maildir info (starting with ",2:").
1897 * After a sequence of ":2," in the filename, any subsequent
1898 * single-character flags will be added or removed according to the
1899 * characters in flags_to_set and flags_to_clear. Any existing flags
1900 * not mentioned in either string will remain. The final list of flags
1901 * will be in ASCII order.
1903 * If the original flags seem invalid, (repeated characters or
1904 * non-ASCII ordering of flags), this function will return NULL
1905 * (meaning that renaming would not be safe and should not occur).
1908 _new_maildir_filename (void *ctx,
1909 const char *filename,
1910 const char *flags_to_set,
1911 const char *flags_to_clear)
1913 const char *info, *flags;
1914 unsigned int flag, last_flag;
1915 char *filename_new, *dir;
1917 int flags_in_map = 0;
1918 bool flags_changed = false;
1922 memset (flag_map, 0, sizeof (flag_map));
1924 info = strstr (filename, ":2,");
1927 info = filename + strlen (filename);
1929 /* Loop through existing flags in filename. */
1930 for (flags = info + 3, last_flag = 0;
1932 last_flag = flag, flags++) {
1935 /* Original flags not in ASCII order. Abort. */
1936 if (flag < last_flag)
1939 /* Non-ASCII flag. Abort. */
1940 if (flag > sizeof (flag_map) - 1)
1943 /* Repeated flag value. Abort. */
1952 /* Then set and clear our flags from tags. */
1953 for (flags = flags_to_set; *flags; flags++) {
1955 if (flag_map[flag] == 0) {
1958 flags_changed = true;
1962 for (flags = flags_to_clear; *flags; flags++) {
1964 if (flag_map[flag]) {
1967 flags_changed = true;
1971 /* Messages in new/ without maildir info can be kept in new/ if no
1972 * flags have changed. */
1973 dir = (char *) _filename_is_in_maildir (filename);
1974 if (dir && STRNCMP_LITERAL (dir, "new/") == 0 && ! *info && ! flags_changed)
1975 return talloc_strdup (ctx, filename);
1977 filename_new = (char *) talloc_size (ctx,
1979 strlen (":2,") + flags_in_map + 1);
1980 if (unlikely (filename_new == NULL))
1983 strncpy (filename_new, filename, info - filename);
1984 filename_new[info - filename] = '\0';
1986 strcat (filename_new, ":2,");
1988 s = filename_new + strlen (filename_new);
1989 for (i = 0; i < sizeof (flag_map); i++) {
1997 /* If message is in new/ move it under cur/. */
1998 dir = (char *) _filename_is_in_maildir (filename_new);
1999 if (dir && STRNCMP_LITERAL (dir, "new/") == 0)
2000 memcpy (dir, "cur/", 4);
2002 return filename_new;
2006 notmuch_message_tags_to_maildir_flags (notmuch_message_t *message)
2008 notmuch_filenames_t *filenames;
2009 const char *filename;
2011 char *to_set, *to_clear;
2012 notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
2014 _get_maildir_flag_actions (message, &to_set, &to_clear);
2016 for (filenames = notmuch_message_get_filenames (message);
2017 notmuch_filenames_valid (filenames);
2018 notmuch_filenames_move_to_next (filenames)) {
2019 filename = notmuch_filenames_get (filenames);
2021 if (! _filename_is_in_maildir (filename))
2024 filename_new = _new_maildir_filename (message, filename,
2026 if (filename_new == NULL)
2029 if (strcmp (filename, filename_new)) {
2031 notmuch_status_t new_status;
2033 err = rename (filename, filename_new);
2037 new_status = _notmuch_message_remove_filename (message,
2039 /* Hold on to only the first error. */
2040 if (! status && new_status
2041 && new_status != NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
2042 status = new_status;
2046 new_status = _notmuch_message_add_filename (message,
2048 /* Hold on to only the first error. */
2049 if (! status && new_status) {
2050 status = new_status;
2054 _notmuch_message_sync (message);
2057 talloc_free (filename_new);
2060 talloc_free (to_set);
2061 talloc_free (to_clear);
2067 notmuch_message_remove_all_tags (notmuch_message_t *message)
2069 notmuch_private_status_t private_status;
2070 notmuch_status_t status;
2071 notmuch_tags_t *tags;
2074 status = _notmuch_database_ensure_writable (message->notmuch);
2077 tags = notmuch_message_get_tags (message);
2079 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
2082 notmuch_tags_valid (tags);
2083 notmuch_tags_move_to_next (tags)) {
2084 tag = notmuch_tags_get (tags);
2086 private_status = _notmuch_message_remove_term (message, "tag", tag);
2087 if (private_status) {
2088 return COERCE_STATUS (private_status,
2089 "_notmuch_message_remove_term return unexpected value: %d\n",
2094 if (! message->frozen)
2095 _notmuch_message_sync (message);
2098 return NOTMUCH_STATUS_SUCCESS;
2102 notmuch_message_freeze (notmuch_message_t *message)
2104 notmuch_status_t status;
2106 status = _notmuch_database_ensure_writable (message->notmuch);
2112 return NOTMUCH_STATUS_SUCCESS;
2116 notmuch_message_thaw (notmuch_message_t *message)
2118 notmuch_status_t status;
2120 status = _notmuch_database_ensure_writable (message->notmuch);
2124 if (message->frozen > 0) {
2126 if (message->frozen == 0)
2127 _notmuch_message_sync (message);
2128 return NOTMUCH_STATUS_SUCCESS;
2130 return NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW;
2135 notmuch_message_destroy (notmuch_message_t *message)
2137 talloc_free (message);
2140 notmuch_database_t *
2141 notmuch_message_get_database (const notmuch_message_t *message)
2143 return message->notmuch;
2147 _notmuch_message_ensure_property_map (notmuch_message_t *message)
2149 notmuch_string_node_t *node;
2151 if (message->property_map)
2154 _notmuch_message_ensure_metadata (message, message->property_term_list);
2156 message->property_map = _notmuch_string_map_create (message);
2158 for (node = message->property_term_list->head; node; node = node->next) {
2162 value = strchr (node->string, '=');
2164 INTERNAL_ERROR ("malformed property term");
2170 _notmuch_string_map_append (message->property_map, key, value);
2174 talloc_free (message->property_term_list);
2175 message->property_term_list = NULL;
2178 notmuch_string_map_t *
2179 _notmuch_message_property_map (notmuch_message_t *message)
2181 _notmuch_message_ensure_property_map (message);
2183 return message->property_map;
2187 _notmuch_message_frozen (notmuch_message_t *message)
2189 return message->frozen;
2193 notmuch_message_reindex (notmuch_message_t *message,
2194 notmuch_indexopts_t *indexopts)
2196 notmuch_database_t *notmuch = NULL;
2197 notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
2198 notmuch_private_status_t private_status;
2199 notmuch_filenames_t *orig_filenames = NULL;
2200 const char *orig_thread_id = NULL;
2201 notmuch_message_file_t *message_file = NULL;
2205 if (message == NULL)
2206 return NOTMUCH_STATUS_NULL_POINTER;
2208 /* Save in case we need to delete message */
2209 orig_thread_id = notmuch_message_get_thread_id (message);
2210 if (! orig_thread_id) {
2211 /* the following is correct as long as there is only one reason
2212 * n_m_get_thread_id returns NULL
2214 return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
2217 /* strdup it because the metadata may be invalidated */
2218 orig_thread_id = talloc_strdup (message, orig_thread_id);
2220 notmuch = notmuch_message_get_database (message);
2222 ret = _notmuch_database_ensure_writable (notmuch);
2226 orig_filenames = notmuch_message_get_filenames (message);
2228 private_status = _notmuch_message_remove_indexed_terms (message);
2229 if (private_status) {
2230 ret = COERCE_STATUS (private_status, "error removing terms");
2234 ret = notmuch_message_remove_all_properties_with_prefix (message, "index.");
2236 goto DONE; /* XXX TODO: distinguish from other error returns above? */
2237 if (indexopts && notmuch_indexopts_get_decrypt_policy (indexopts) == NOTMUCH_DECRYPT_FALSE) {
2238 ret = notmuch_message_remove_all_properties (message, "session-key");
2243 /* re-add the filenames with the associated indexopts */
2244 for (; notmuch_filenames_valid (orig_filenames);
2245 notmuch_filenames_move_to_next (orig_filenames)) {
2248 const char *from, *to, *subject;
2249 char *message_id = NULL;
2250 const char *thread_id = NULL;
2252 const char *filename = notmuch_filenames_get (orig_filenames);
2254 message_file = _notmuch_message_file_open (notmuch, filename);
2255 if (message_file == NULL)
2258 ret = _notmuch_message_file_get_headers (message_file,
2259 &from, &subject, &to, &date,
2264 /* XXX TODO: deal with changing message id? */
2266 _notmuch_message_add_filename (message, filename);
2268 ret = _notmuch_database_link_message_to_parents (notmuch, message,
2274 if (thread_id == NULL)
2275 thread_id = orig_thread_id;
2277 _notmuch_message_add_term (message, "thread", thread_id);
2278 /* Take header values only from first filename */
2280 _notmuch_message_set_header_values (message, date, from, subject);
2282 ret = _notmuch_message_index_file (message, indexopts, message_file);
2284 if (ret == NOTMUCH_STATUS_FILE_ERROR)
2290 _notmuch_message_file_close (message_file);
2291 message_file = NULL;
2294 /* put back thread id to help cleanup */
2295 _notmuch_message_add_term (message, "thread", orig_thread_id);
2296 ret = _notmuch_message_delete (message);
2298 _notmuch_message_sync (message);
2303 _notmuch_message_file_close (message_file);
2305 /* XXX TODO destroy orig_filenames? */