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 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 static notmuch_message_t *
94 _notmuch_message_create_for_document (const void *talloc_owner,
95 notmuch_database_t *notmuch,
98 notmuch_private_status_t *status)
100 notmuch_message_t *message;
103 *status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
105 message = talloc (talloc_owner, notmuch_message_t);
106 if (unlikely (message == NULL)) {
108 *status = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
112 message->notmuch = notmuch;
113 message->doc_id = doc_id;
117 message->lazy_flags = 0;
119 /* the message is initially not synchronized with Xapian */
120 message->last_view = 0;
122 /* Calculated after the thread structure is computed */
123 message->thread_depth = 0;
125 /* Each of these will be lazily created as needed. */
126 message->message_id = NULL;
127 message->thread_id = NULL;
128 message->in_reply_to = NULL;
129 message->tag_list = NULL;
130 message->filename_term_list = NULL;
131 message->filename_list = NULL;
132 message->maildir_flags = NULL;
133 message->message_file = NULL;
134 message->author = NULL;
135 message->property_term_list = NULL;
136 message->property_map = NULL;
137 message->reference_list = NULL;
139 message->replies = _notmuch_message_list_create (message);
140 if (unlikely (message->replies == NULL)) {
142 *status = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
146 /* This is C++'s creepy "placement new", which is really just an
147 * ugly way to call a constructor for a pre-allocated object. So
148 * it's really not an error to not be checking for OUT_OF_MEMORY
149 * here, since this "new" isn't actually allocating memory. This
150 * is language-design comedy of the wrong kind. */
152 new (&message->doc) Xapian::Document;
154 talloc_set_destructor (message, _notmuch_message_destructor);
157 message->termpos = 0;
162 /* Create a new notmuch_message_t object for an existing document in
165 * Here, 'talloc owner' is an optional talloc context to which the new
166 * message will belong. This allows for the caller to not bother
167 * calling notmuch_message_destroy on the message, and know that all
168 * memory will be reclaimed when 'talloc_owner' is freed. The caller
169 * still can call notmuch_message_destroy when finished with the
170 * message if desired.
172 * The 'talloc_owner' argument can also be NULL, in which case the
173 * caller *is* responsible for calling notmuch_message_destroy.
175 * If no document exists in the database with document ID of 'doc_id'
176 * then this function returns NULL and optionally sets *status to
177 * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND.
179 * This function can also fail to due lack of available memory,
180 * returning NULL and optionally setting *status to
181 * NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY.
183 * The caller can pass NULL for status if uninterested in
184 * distinguishing these two cases.
187 _notmuch_message_create (const void *talloc_owner,
188 notmuch_database_t *notmuch,
190 notmuch_private_status_t *status)
192 Xapian::Document doc;
195 doc = notmuch->xapian_db->get_document (doc_id);
196 } catch (const Xapian::DocNotFoundError &error) {
198 *status = NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND;
202 return _notmuch_message_create_for_document (talloc_owner, notmuch,
203 doc_id, doc, status);
206 /* Create a new notmuch_message_t object for a specific message ID,
207 * (which may or may not already exist in the database).
209 * The 'notmuch' database will be the talloc owner of the returned
212 * This function returns a valid notmuch_message_t whether or not
213 * there is already a document in the database with the given message
214 * ID. These two cases can be distinguished by the value of *status:
217 * NOTMUCH_PRIVATE_STATUS_SUCCESS:
219 * There is already a document with message ID 'message_id' in the
220 * database. The returned message can be used to query/modify the
221 * document. The message may be a ghost message.
223 * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND:
225 * No document with 'message_id' exists in the database. The
226 * returned message contains a newly created document (not yet
227 * added to the database) and a document ID that is known not to
228 * exist in the database. This message is "blank"; that is, it
229 * contains only a message ID and no other metadata. The caller
230 * can modify the message, and a call to _notmuch_message_sync
231 * will add the document to the database.
233 * If an error occurs, this function will return NULL and *status
234 * will be set as appropriate. (The status pointer argument must
238 _notmuch_message_create_for_message_id (notmuch_database_t *notmuch,
239 const char *message_id,
240 notmuch_private_status_t *status_ret)
242 notmuch_message_t *message;
243 Xapian::Document doc;
247 *status_ret = (notmuch_private_status_t) notmuch_database_find_message (notmuch,
251 return talloc_steal (notmuch, message);
252 else if (*status_ret)
255 /* If the message ID is too long, substitute its sha1 instead. */
256 if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX)
257 message_id = _notmuch_message_id_compressed (message, message_id);
259 term = talloc_asprintf (NULL, "%s%s",
260 _find_prefix ("id"), message_id);
262 *status_ret = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
266 if (notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY)
267 INTERNAL_ERROR ("Failure to ensure database is writable.");
270 doc.add_term (term, 0);
273 doc.add_value (NOTMUCH_VALUE_MESSAGE_ID, message_id);
275 doc_id = _notmuch_database_generate_doc_id (notmuch);
276 } catch (const Xapian::Error &error) {
277 _notmuch_database_log(notmuch_message_get_database (message), "A Xapian exception occurred creating message: %s\n",
278 error.get_msg().c_str());
279 notmuch->exception_reported = true;
280 *status_ret = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
284 message = _notmuch_message_create_for_document (notmuch, notmuch,
285 doc_id, doc, status_ret);
287 /* We want to inform the caller that we had to create a new
289 if (*status_ret == NOTMUCH_PRIVATE_STATUS_SUCCESS)
290 *status_ret = NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND;
296 _notmuch_message_get_term (notmuch_message_t *message,
297 Xapian::TermIterator &i, Xapian::TermIterator &end,
300 int prefix_len = strlen (prefix);
308 const std::string &term = *i;
309 if (strncmp (term.c_str(), prefix, prefix_len))
312 value = talloc_strdup (message, term.c_str() + prefix_len);
314 #if DEBUG_DATABASE_SANITY
317 if (i != end && strncmp ((*i).c_str (), prefix, prefix_len) == 0) {
318 INTERNAL_ERROR ("Mail (doc_id: %d) has duplicate %s terms: %s and %s\n",
319 message->doc_id, prefix, value,
320 (*i).c_str () + prefix_len);
328 * For special applications where we only want the thread id, reading
329 * in all metadata is a heavy I/O penalty.
332 _notmuch_message_get_thread_id_only (notmuch_message_t *message)
335 Xapian::TermIterator i = message->doc.termlist_begin ();
336 Xapian::TermIterator end = message->doc.termlist_end ();
338 message->thread_id = _notmuch_message_get_term (message, i, end,
339 _find_prefix ("thread"));
340 return message->thread_id;
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 if (status != NOTMUCH_STATUS_SUCCESS)
448 INTERNAL_ERROR ("unhandled error from notmuch_database_reopen: %s\n",
449 notmuch_status_to_string (status));
450 } catch (const Xapian::Error &error) {
451 INTERNAL_ERROR ("A Xapian exception occurred fetching message metadata: %s\n",
452 error.get_msg().c_str());
455 message->last_view = message->notmuch->view;
459 _notmuch_message_invalidate_metadata (notmuch_message_t *message,
460 const char *prefix_name)
462 if (strcmp ("thread", prefix_name) == 0) {
463 talloc_free (message->thread_id);
464 message->thread_id = NULL;
467 if (strcmp ("tag", prefix_name) == 0) {
468 talloc_unlink (message, message->tag_list);
469 message->tag_list = NULL;
472 if (strcmp ("type", prefix_name) == 0) {
473 NOTMUCH_CLEAR_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
474 NOTMUCH_CLEAR_BIT (&message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST);
477 if (strcmp ("file-direntry", prefix_name) == 0) {
478 talloc_free (message->filename_term_list);
479 talloc_free (message->filename_list);
480 message->filename_term_list = message->filename_list = NULL;
483 if (strcmp ("property", prefix_name) == 0) {
485 if (message->property_term_list)
486 talloc_free (message->property_term_list);
487 message->property_term_list = NULL;
489 if (message->property_map)
490 talloc_unlink (message, message->property_map);
492 message->property_map = NULL;
495 if (strcmp ("replyto", prefix_name) == 0) {
496 talloc_free (message->in_reply_to);
497 message->in_reply_to = NULL;
502 _notmuch_message_get_doc_id (notmuch_message_t *message)
504 return message->doc_id;
508 notmuch_message_get_message_id (notmuch_message_t *message)
510 _notmuch_message_ensure_metadata (message, message->message_id);
511 if (!message->message_id)
512 INTERNAL_ERROR ("Message with document ID of %u has no message ID.\n",
514 return message->message_id;
518 _notmuch_message_ensure_message_file (notmuch_message_t *message)
520 const char *filename;
522 if (message->message_file)
525 filename = notmuch_message_get_filename (message);
526 if (unlikely (filename == NULL))
529 message->message_file = _notmuch_message_file_open_ctx (
530 notmuch_message_get_database (message), message, filename);
534 notmuch_message_get_header (notmuch_message_t *message, const char *header)
536 Xapian::valueno slot = Xapian::BAD_VALUENO;
538 /* Fetch header from the appropriate xapian value field if
540 if (strcasecmp (header, "from") == 0)
541 slot = NOTMUCH_VALUE_FROM;
542 else if (strcasecmp (header, "subject") == 0)
543 slot = NOTMUCH_VALUE_SUBJECT;
544 else if (strcasecmp (header, "message-id") == 0)
545 slot = NOTMUCH_VALUE_MESSAGE_ID;
547 if (slot != Xapian::BAD_VALUENO) {
549 std::string value = message->doc.get_value (slot);
551 /* If we have NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES, then
552 * empty values indicate empty headers. If we don't, then
553 * it could just mean we didn't record the header. */
554 if ((message->notmuch->features &
555 NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES) ||
557 return talloc_strdup (message, value.c_str ());
559 } catch (Xapian::Error &error) {
560 _notmuch_database_log(notmuch_message_get_database (message), "A Xapian exception occurred when reading header: %s\n",
561 error.get_msg().c_str());
562 message->notmuch->exception_reported = true;
567 /* Otherwise fall back to parsing the file */
568 _notmuch_message_ensure_message_file (message);
569 if (message->message_file == NULL)
572 return _notmuch_message_file_get_header (message->message_file, header);
575 /* Return the message ID from the In-Reply-To header of 'message'.
577 * Returns an empty string ("") if 'message' has no In-Reply-To
580 * Returns NULL if any error occurs.
583 _notmuch_message_get_in_reply_to (notmuch_message_t *message)
585 _notmuch_message_ensure_metadata (message, message->in_reply_to);
586 return message->in_reply_to;
590 notmuch_message_get_thread_id (notmuch_message_t *message)
592 _notmuch_message_ensure_metadata (message, message->thread_id);
593 if (!message->thread_id)
594 INTERNAL_ERROR ("Message with document ID of %u has no thread ID.\n",
596 return message->thread_id;
600 _notmuch_message_add_reply (notmuch_message_t *message,
601 notmuch_message_t *reply)
603 _notmuch_message_list_add_message (message->replies, reply);
607 _notmuch_message_get_thread_depth (notmuch_message_t *message) {
608 return message->thread_depth;
612 _notmuch_message_label_depths (notmuch_message_t *message,
615 message->thread_depth = depth;
617 for (notmuch_messages_t *messages = _notmuch_messages_create (message->replies);
618 notmuch_messages_valid (messages);
619 notmuch_messages_move_to_next (messages)) {
620 notmuch_message_t *child = notmuch_messages_get (messages);
621 _notmuch_message_label_depths (child, depth+1);
625 const notmuch_string_list_t *
626 _notmuch_message_get_references (notmuch_message_t *message)
628 _notmuch_message_ensure_metadata (message, message->reference_list);
629 return message->reference_list;
633 _cmpmsg (const void *pa, const void *pb)
635 notmuch_message_t **a = (notmuch_message_t **) pa;
636 notmuch_message_t **b = (notmuch_message_t **) pb;
637 time_t time_a = notmuch_message_get_date (*a);
638 time_t time_b = notmuch_message_get_date (*b);
640 if (time_a == time_b)
642 else if (time_a < time_b)
648 notmuch_message_list_t *
649 _notmuch_message_sort_subtrees (void *ctx, notmuch_message_list_t *list)
653 size_t capacity = 16;
658 void *local = talloc_new (NULL);
659 notmuch_message_list_t *new_list = _notmuch_message_list_create (ctx);
660 notmuch_message_t **message_array = talloc_zero_array (local, notmuch_message_t *, capacity);
662 for (notmuch_messages_t *messages = _notmuch_messages_create (list);
663 notmuch_messages_valid (messages);
664 notmuch_messages_move_to_next (messages)) {
665 notmuch_message_t *root = notmuch_messages_get (messages);
666 if (count >= capacity) {
668 message_array = talloc_realloc (local, message_array, notmuch_message_t *, capacity);
670 message_array[count++] = root;
671 root->replies = _notmuch_message_sort_subtrees (root, root->replies);
674 qsort (message_array, count, sizeof (notmuch_message_t *), _cmpmsg);
675 for (size_t i = 0; i < count; i++) {
676 _notmuch_message_list_add_message (new_list, message_array[i]);
685 notmuch_message_get_replies (notmuch_message_t *message)
687 return _notmuch_messages_create (message->replies);
691 _notmuch_message_remove_terms (notmuch_message_t *message, const char *prefix)
693 Xapian::TermIterator i;
694 size_t prefix_len = 0;
696 prefix_len = strlen (prefix);
699 i = message->doc.termlist_begin ();
702 /* Terminate loop when no terms remain with desired prefix. */
703 if (i == message->doc.termlist_end () ||
704 strncmp ((*i).c_str (), prefix, prefix_len))
708 message->doc.remove_term ((*i));
709 message->modified = true;
710 } catch (const Xapian::InvalidArgumentError) {
711 /* Ignore failure to remove non-existent term. */
717 /* Remove all terms generated by indexing, i.e. not tags or
718 * properties, along with any automatic tags*/
719 /* According to Xapian API docs, none of these calls throw
721 notmuch_private_status_t
722 _notmuch_message_remove_indexed_terms (notmuch_message_t *message)
724 Xapian::TermIterator i;
727 id_prefix = _find_prefix ("id"),
728 property_prefix = _find_prefix ("property"),
729 tag_prefix = _find_prefix ("tag"),
730 type_prefix = _find_prefix ("type");
732 /* Make sure we have the data to restore to Xapian*/
733 _notmuch_message_ensure_metadata (message,NULL);
735 /* Empirically, it turns out to be faster to remove all the terms,
736 * and add back the ones we want. */
737 message->doc.clear_terms ();
738 message->modified = true;
740 /* still a mail message */
741 message->doc.add_term (type_prefix + "mail");
743 /* Put back message-id */
744 message->doc.add_term (id_prefix + message->message_id);
746 /* Put back non-automatic tags */
747 for (notmuch_tags_t *tags = notmuch_message_get_tags (message);
748 notmuch_tags_valid (tags);
749 notmuch_tags_move_to_next (tags)) {
751 const char *tag = notmuch_tags_get (tags);
753 if (STRNCMP_LITERAL (tag, "encrypted") != 0 &&
754 STRNCMP_LITERAL (tag, "signed") != 0 &&
755 STRNCMP_LITERAL (tag, "attachment") != 0) {
756 std::string term = tag_prefix + tag;
757 message->doc.add_term(term);
761 /* Put back properties */
762 notmuch_message_properties_t *list;
764 for (list = notmuch_message_get_properties (message, "", false);
765 notmuch_message_properties_valid (list); notmuch_message_properties_move_to_next (list)) {
766 std::string term = property_prefix +
767 notmuch_message_properties_key(list) + "=" +
768 notmuch_message_properties_value(list);
770 message->doc.add_term(term);
773 notmuch_message_properties_destroy (list);
775 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
779 /* Return true if p points at "new" or "cur". */
780 static bool is_maildir (const char *p)
782 return strcmp (p, "cur") == 0 || strcmp (p, "new") == 0;
785 /* Add "folder:" term for directory. */
786 static notmuch_status_t
787 _notmuch_message_add_folder_terms (notmuch_message_t *message,
788 const char *directory)
792 folder = talloc_strdup (NULL, directory);
794 return NOTMUCH_STATUS_OUT_OF_MEMORY;
797 * If the message file is in a leaf directory named "new" or
798 * "cur", presume maildir and index the parent directory. Thus a
799 * "folder:" prefix search matches messages in the specified
800 * maildir folder, i.e. in the specified directory and its "new"
801 * and "cur" subdirectories.
803 * Note that this means the "folder:" prefix can't be used for
804 * distinguishing between message files in "new" or "cur". The
805 * "path:" prefix needs to be used for that.
807 * Note the deliberate difference to _filename_is_in_maildir(). We
808 * don't want to index different things depending on the existence
809 * or non-existence of all maildir sibling directories "new",
810 * "cur", and "tmp". Doing so would be surprising, and difficult
811 * for the user to fix in case all subdirectories were not in
812 * place during indexing.
814 last = strrchr (folder, '/');
816 if (is_maildir (last + 1))
818 } else if (is_maildir (folder)) {
822 _notmuch_message_add_term (message, "folder", folder);
824 talloc_free (folder);
826 message->modified = true;
827 return NOTMUCH_STATUS_SUCCESS;
830 #define RECURSIVE_SUFFIX "/**"
832 /* Add "path:" terms for directory. */
833 static notmuch_status_t
834 _notmuch_message_add_path_terms (notmuch_message_t *message,
835 const char *directory)
837 /* Add exact "path:" term. */
838 _notmuch_message_add_term (message, "path", directory);
840 if (strlen (directory)) {
843 path = talloc_asprintf (NULL, "%s%s", directory, RECURSIVE_SUFFIX);
845 return NOTMUCH_STATUS_OUT_OF_MEMORY;
847 /* Add recursive "path:" terms for directory and all parents. */
848 for (p = path + strlen (path) - 1; p > path; p--) {
850 strcpy (p, RECURSIVE_SUFFIX);
851 _notmuch_message_add_term (message, "path", path);
858 /* Recursive all-matching path:** for consistency. */
859 _notmuch_message_add_term (message, "path", "**");
861 return NOTMUCH_STATUS_SUCCESS;
864 /* Add directory based terms for all filenames of the message. */
865 static notmuch_status_t
866 _notmuch_message_add_directory_terms (void *ctx, notmuch_message_t *message)
868 const char *direntry_prefix = _find_prefix ("file-direntry");
869 int direntry_prefix_len = strlen (direntry_prefix);
870 Xapian::TermIterator i = message->doc.termlist_begin ();
871 notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
873 for (i.skip_to (direntry_prefix); i != message->doc.termlist_end (); i++) {
874 unsigned int directory_id;
875 const char *direntry, *directory;
877 const std::string &term = *i;
879 /* Terminate loop at first term without desired prefix. */
880 if (strncmp (term.c_str (), direntry_prefix, direntry_prefix_len))
883 /* Indicate that there are filenames remaining. */
884 status = NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID;
886 direntry = term.c_str ();
887 direntry += direntry_prefix_len;
889 directory_id = strtol (direntry, &colon, 10);
891 if (colon == NULL || *colon != ':')
892 INTERNAL_ERROR ("malformed direntry");
894 directory = _notmuch_database_get_directory_path (ctx,
898 _notmuch_message_add_folder_terms (message, directory);
899 _notmuch_message_add_path_terms (message, directory);
905 /* Add an additional 'filename' for 'message'.
907 * This change will not be reflected in the database until the next
908 * call to _notmuch_message_sync. */
910 _notmuch_message_add_filename (notmuch_message_t *message,
911 const char *filename)
913 const char *relative, *directory;
914 notmuch_status_t status;
915 void *local = talloc_new (message);
918 if (filename == NULL)
919 INTERNAL_ERROR ("Message filename cannot be NULL.");
921 if (! (message->notmuch->features & NOTMUCH_FEATURE_FILE_TERMS) ||
922 ! (message->notmuch->features & NOTMUCH_FEATURE_BOOL_FOLDER))
923 return NOTMUCH_STATUS_UPGRADE_REQUIRED;
925 relative = _notmuch_database_relative_path (message->notmuch, filename);
927 status = _notmuch_database_split_path (local, relative, &directory, NULL);
931 status = _notmuch_database_filename_to_direntry (
932 local, message->notmuch, filename, NOTMUCH_FIND_CREATE, &direntry);
936 /* New file-direntry allows navigating to this message with
937 * notmuch_directory_get_child_files() . */
938 _notmuch_message_add_term (message, "file-direntry", direntry);
940 _notmuch_message_add_folder_terms (message, directory);
941 _notmuch_message_add_path_terms (message, directory);
945 return NOTMUCH_STATUS_SUCCESS;
948 /* Remove a particular 'filename' from 'message'.
950 * This change will not be reflected in the database until the next
951 * call to _notmuch_message_sync.
953 * If this message still has other filenames, returns
954 * NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID.
956 * Note: This function does not remove a document from the database,
957 * even if the specified filename is the only filename for this
958 * message. For that functionality, see
959 * notmuch_database_remove_message. */
961 _notmuch_message_remove_filename (notmuch_message_t *message,
962 const char *filename)
964 void *local = talloc_new (message);
966 notmuch_private_status_t private_status;
967 notmuch_status_t status;
969 if (! (message->notmuch->features & NOTMUCH_FEATURE_FILE_TERMS) ||
970 ! (message->notmuch->features & NOTMUCH_FEATURE_BOOL_FOLDER))
971 return NOTMUCH_STATUS_UPGRADE_REQUIRED;
973 status = _notmuch_database_filename_to_direntry (
974 local, message->notmuch, filename, NOTMUCH_FIND_LOOKUP, &direntry);
975 if (status || !direntry)
978 /* Unlink this file from its parent directory. */
979 private_status = _notmuch_message_remove_term (message,
980 "file-direntry", direntry);
981 status = COERCE_STATUS (private_status,
982 "Unexpected error from _notmuch_message_remove_term");
986 /* Re-synchronize "folder:" and "path:" terms for this message. */
988 /* Remove all "folder:" terms. */
989 _notmuch_message_remove_terms (message, _find_prefix ("folder"));
991 /* Remove all "path:" terms. */
992 _notmuch_message_remove_terms (message, _find_prefix ("path"));
994 /* Add back terms for all remaining filenames of the message. */
995 status = _notmuch_message_add_directory_terms (local, message);
1002 /* Upgrade the "folder:" prefix from V1 to V2. */
1003 #define FOLDER_PREFIX_V1 "XFOLDER"
1004 #define ZFOLDER_PREFIX_V1 "Z" FOLDER_PREFIX_V1
1006 _notmuch_message_upgrade_folder (notmuch_message_t *message)
1008 /* Remove all old "folder:" terms. */
1009 _notmuch_message_remove_terms (message, FOLDER_PREFIX_V1);
1011 /* Remove all old "folder:" stemmed terms. */
1012 _notmuch_message_remove_terms (message, ZFOLDER_PREFIX_V1);
1014 /* Add new boolean "folder:" and "path:" terms. */
1015 _notmuch_message_add_directory_terms (message, message);
1019 _notmuch_message_talloc_copy_data (notmuch_message_t *message)
1021 return talloc_strdup (message, message->doc.get_data ().c_str ());
1025 _notmuch_message_clear_data (notmuch_message_t *message)
1027 message->doc.set_data ("");
1028 message->modified = true;
1032 _notmuch_message_ensure_filename_list (notmuch_message_t *message)
1034 notmuch_string_node_t *node;
1036 if (message->filename_list)
1039 _notmuch_message_ensure_metadata (message, message->filename_term_list);
1041 message->filename_list = _notmuch_string_list_create (message);
1042 node = message->filename_term_list->head;
1045 /* A message document created by an old version of notmuch
1046 * (prior to rename support) will have the filename in the
1047 * data of the document rather than as a file-direntry term.
1049 * It would be nice to do the upgrade of the document directly
1050 * here, but the database is likely open in read-only mode. */
1052 std::string datastr = message->doc.get_data ();
1053 const char *data = datastr.c_str ();
1056 INTERNAL_ERROR ("message with no filename");
1058 _notmuch_string_list_append (message->filename_list, data);
1063 for (; node; node = node->next) {
1064 void *local = talloc_new (message);
1065 const char *db_path, *directory, *basename, *filename;
1066 char *colon, *direntry = NULL;
1067 unsigned int directory_id;
1069 direntry = node->string;
1071 directory_id = strtol (direntry, &colon, 10);
1073 if (colon == NULL || *colon != ':')
1074 INTERNAL_ERROR ("malformed direntry");
1076 basename = colon + 1;
1080 db_path = notmuch_database_get_path (message->notmuch);
1082 directory = _notmuch_database_get_directory_path (local,
1086 if (strlen (directory))
1087 filename = talloc_asprintf (message, "%s/%s/%s",
1088 db_path, directory, basename);
1090 filename = talloc_asprintf (message, "%s/%s",
1093 _notmuch_string_list_append (message->filename_list, filename);
1095 talloc_free (local);
1098 talloc_free (message->filename_term_list);
1099 message->filename_term_list = NULL;
1103 notmuch_message_get_filename (notmuch_message_t *message)
1105 _notmuch_message_ensure_filename_list (message);
1107 if (message->filename_list == NULL)
1110 if (message->filename_list->head == NULL ||
1111 message->filename_list->head->string == NULL)
1113 INTERNAL_ERROR ("message with no filename");
1116 return message->filename_list->head->string;
1119 notmuch_filenames_t *
1120 notmuch_message_get_filenames (notmuch_message_t *message)
1122 _notmuch_message_ensure_filename_list (message);
1124 return _notmuch_filenames_create (message, message->filename_list);
1128 notmuch_message_count_files (notmuch_message_t *message)
1130 _notmuch_message_ensure_filename_list (message);
1132 return _notmuch_string_list_length (message->filename_list);
1136 notmuch_message_get_flag (notmuch_message_t *message,
1137 notmuch_message_flag_t flag)
1139 if (flag == NOTMUCH_MESSAGE_FLAG_GHOST &&
1140 ! NOTMUCH_TEST_BIT (message->lazy_flags, flag))
1141 _notmuch_message_ensure_metadata (message, NULL);
1143 return NOTMUCH_TEST_BIT (message->flags, flag);
1147 notmuch_message_set_flag (notmuch_message_t *message,
1148 notmuch_message_flag_t flag, notmuch_bool_t enable)
1151 NOTMUCH_SET_BIT (&message->flags, flag);
1153 NOTMUCH_CLEAR_BIT (&message->flags, flag);
1154 NOTMUCH_SET_BIT (&message->lazy_flags, flag);
1158 notmuch_message_get_date (notmuch_message_t *message)
1163 value = message->doc.get_value (NOTMUCH_VALUE_TIMESTAMP);
1164 } catch (Xapian::Error &error) {
1165 _notmuch_database_log(notmuch_message_get_database (message), "A Xapian exception occurred when reading date: %s\n",
1166 error.get_msg().c_str());
1167 message->notmuch->exception_reported = true;
1172 /* sortable_unserialise is undefined on empty string */
1174 return Xapian::sortable_unserialise (value);
1178 notmuch_message_get_tags (notmuch_message_t *message)
1180 notmuch_tags_t *tags;
1182 _notmuch_message_ensure_metadata (message, message->tag_list);
1184 tags = _notmuch_tags_create (message, message->tag_list);
1185 /* _notmuch_tags_create steals the reference to the tag_list, but
1186 * in this case it's still used by the message, so we add an
1187 * *additional* talloc reference to the list. As a result, it's
1188 * possible to modify the message tags (which talloc_unlink's the
1189 * current list from the message) while still iterating because
1190 * the iterator will keep the current list alive. */
1191 if (!talloc_reference (message, message->tag_list))
1198 _notmuch_message_get_author (notmuch_message_t *message)
1200 return message->author;
1204 _notmuch_message_set_author (notmuch_message_t *message,
1207 if (message->author)
1208 talloc_free(message->author);
1209 message->author = talloc_strdup(message, author);
1214 _notmuch_message_set_header_values (notmuch_message_t *message,
1217 const char *subject)
1221 /* GMime really doesn't want to see a NULL date, so protect its
1223 if (date == NULL || *date == '\0') {
1226 time_value = g_mime_utils_header_decode_date_unix (date);
1228 * Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=779923
1234 message->doc.add_value (NOTMUCH_VALUE_TIMESTAMP,
1235 Xapian::sortable_serialise (time_value));
1236 message->doc.add_value (NOTMUCH_VALUE_FROM, from);
1237 message->doc.add_value (NOTMUCH_VALUE_SUBJECT, subject);
1238 message->modified = true;
1242 _notmuch_message_update_subject (notmuch_message_t *message,
1243 const char *subject)
1245 message->doc.add_value (NOTMUCH_VALUE_SUBJECT, subject);
1246 message->modified = true;
1249 /* Upgrade a message to support NOTMUCH_FEATURE_LAST_MOD. The caller
1250 * must call _notmuch_message_sync. */
1252 _notmuch_message_upgrade_last_mod (notmuch_message_t *message)
1254 /* _notmuch_message_sync will update the last modification
1255 * revision; we just have to ask it to. */
1256 message->modified = true;
1259 /* Synchronize changes made to message->doc out into the database. */
1261 _notmuch_message_sync (notmuch_message_t *message)
1263 Xapian::WritableDatabase *db;
1265 if (message->notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY)
1268 if (! message->modified)
1271 /* Update the last modification of this message. */
1272 if (message->notmuch->features & NOTMUCH_FEATURE_LAST_MOD)
1273 /* sortable_serialise gives a reasonably compact encoding,
1274 * which directly translates to reduced IO when scanning the
1275 * value stream. Since it's built for doubles, we only get 53
1276 * effective bits, but that's still enough for the database to
1277 * last a few centuries at 1 million revisions per second. */
1278 message->doc.add_value (NOTMUCH_VALUE_LAST_MOD,
1279 Xapian::sortable_serialise (
1280 _notmuch_database_new_revision (
1281 message->notmuch)));
1283 db = static_cast <Xapian::WritableDatabase *> (message->notmuch->xapian_db);
1284 db->replace_document (message->doc_id, message->doc);
1285 message->modified = false;
1288 /* Delete a message document from the database, leaving a ghost
1289 * message in its place */
1291 _notmuch_message_delete (notmuch_message_t *message)
1293 notmuch_status_t status;
1294 Xapian::WritableDatabase *db;
1295 const char *mid, *tid, *query_string;
1296 notmuch_message_t *ghost;
1297 notmuch_private_status_t private_status;
1298 notmuch_database_t *notmuch;
1299 notmuch_query_t *query;
1300 unsigned int count = 0;
1303 mid = notmuch_message_get_message_id (message);
1304 tid = notmuch_message_get_thread_id (message);
1305 notmuch = message->notmuch;
1307 status = _notmuch_database_ensure_writable (message->notmuch);
1311 db = static_cast <Xapian::WritableDatabase *> (notmuch->xapian_db);
1312 db->delete_document (message->doc_id);
1314 /* if this was a ghost to begin with, we are done */
1315 private_status = _notmuch_message_has_term (message, "type", "ghost", &is_ghost);
1317 return COERCE_STATUS (private_status,
1318 "Error trying to determine whether message was a ghost");
1320 return NOTMUCH_STATUS_SUCCESS;
1322 query_string = talloc_asprintf (message, "thread:%s", tid);
1323 query = notmuch_query_create (notmuch, query_string);
1325 return NOTMUCH_STATUS_OUT_OF_MEMORY;
1326 status = notmuch_query_count_messages (query, &count);
1328 notmuch_query_destroy (query);
1333 /* reintroduce a ghost in its place because there are still
1334 * other active messages in this thread: */
1335 ghost = _notmuch_message_create_for_message_id (notmuch, mid, &private_status);
1336 if (private_status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND) {
1337 private_status = _notmuch_message_initialize_ghost (ghost, tid);
1338 if (! private_status)
1339 _notmuch_message_sync (ghost);
1340 } else if (private_status == NOTMUCH_PRIVATE_STATUS_SUCCESS) {
1341 /* this is deeply weird, and we should not have gotten
1342 into this state. is there a better error message to
1344 status = NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID;
1347 notmuch_message_destroy (ghost);
1348 status = COERCE_STATUS (private_status, "Error converting to ghost message");
1350 /* the thread is empty; drop all ghost messages from it */
1351 notmuch_messages_t *messages;
1352 status = _notmuch_query_search_documents (query,
1355 if (status == NOTMUCH_STATUS_SUCCESS) {
1356 notmuch_status_t last_error = NOTMUCH_STATUS_SUCCESS;
1357 while (notmuch_messages_valid (messages)) {
1358 message = notmuch_messages_get (messages);
1359 status = _notmuch_message_delete (message);
1360 if (status) /* we'll report the last failure we see;
1361 * if there is more than one failure, we
1362 * forget about previous ones */
1363 last_error = status;
1364 notmuch_message_destroy (message);
1365 notmuch_messages_move_to_next (messages);
1367 status = last_error;
1370 notmuch_query_destroy (query);
1374 /* Transform a blank message into a ghost message. The caller must
1375 * _notmuch_message_sync the message. */
1376 notmuch_private_status_t
1377 _notmuch_message_initialize_ghost (notmuch_message_t *message,
1378 const char *thread_id)
1380 notmuch_private_status_t status;
1382 status = _notmuch_message_add_term (message, "type", "ghost");
1385 status = _notmuch_message_add_term (message, "thread", thread_id);
1389 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
1392 /* Ensure that 'message' is not holding any file object open. Future
1393 * calls to various functions will still automatically open the
1394 * message file as needed.
1397 _notmuch_message_close (notmuch_message_t *message)
1399 if (message->message_file) {
1400 _notmuch_message_file_close (message->message_file);
1401 message->message_file = NULL;
1405 /* Add a name:value term to 'message', (the actual term will be
1406 * encoded by prefixing the value with a short prefix). See
1407 * NORMAL_PREFIX and BOOLEAN_PREFIX arrays for the mapping of term
1408 * names to prefix values.
1410 * This change will not be reflected in the database until the next
1411 * call to _notmuch_message_sync. */
1412 notmuch_private_status_t
1413 _notmuch_message_add_term (notmuch_message_t *message,
1414 const char *prefix_name,
1421 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1423 term = talloc_asprintf (message, "%s%s",
1424 _find_prefix (prefix_name), value);
1426 if (strlen (term) > NOTMUCH_TERM_MAX)
1427 return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
1429 message->doc.add_term (term, 0);
1430 message->modified = true;
1434 _notmuch_message_invalidate_metadata (message, prefix_name);
1436 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
1439 /* Parse 'text' and add a term to 'message' for each parsed word. Each
1440 * term will be added with the appropriate prefix if prefix_name is
1443 notmuch_private_status_t
1444 _notmuch_message_gen_terms (notmuch_message_t *message,
1445 const char *prefix_name,
1448 Xapian::TermGenerator *term_gen = message->notmuch->term_gen;
1451 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1453 term_gen->set_document (message->doc);
1454 term_gen->set_termpos (message->termpos);
1457 const char *prefix = _notmuch_database_prefix (message->notmuch, prefix_name);
1459 return NOTMUCH_PRIVATE_STATUS_BAD_PREFIX;
1461 _notmuch_message_invalidate_metadata (message, prefix_name);
1462 term_gen->index_text (text, 1, prefix);
1464 term_gen->index_text (text);
1467 /* Create a gap between this an the next terms so they don't
1468 * appear to be a phrase. */
1469 message->termpos = term_gen->get_termpos () + 100;
1471 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
1474 /* Remove a name:value term from 'message', (the actual term will be
1475 * encoded by prefixing the value with a short prefix). See
1476 * NORMAL_PREFIX and BOOLEAN_PREFIX arrays for the mapping of term
1477 * names to prefix values.
1479 * This change will not be reflected in the database until the next
1480 * call to _notmuch_message_sync. */
1481 notmuch_private_status_t
1482 _notmuch_message_remove_term (notmuch_message_t *message,
1483 const char *prefix_name,
1489 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1491 term = talloc_asprintf (message, "%s%s",
1492 _find_prefix (prefix_name), value);
1494 if (strlen (term) > NOTMUCH_TERM_MAX)
1495 return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
1498 message->doc.remove_term (term);
1499 message->modified = true;
1500 } catch (const Xapian::InvalidArgumentError) {
1501 /* We'll let the philosophers try to wrestle with the
1502 * question of whether failing to remove that which was not
1503 * there in the first place is failure. For us, we'll silently
1504 * consider it all good. */
1509 _notmuch_message_invalidate_metadata (message, prefix_name);
1511 return NOTMUCH_PRIVATE_STATUS_SUCCESS;
1514 notmuch_private_status_t
1515 _notmuch_message_has_term (notmuch_message_t *message,
1516 const char *prefix_name,
1522 notmuch_private_status_t status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
1525 return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
1527 term = talloc_asprintf (message, "%s%s",
1528 _find_prefix (prefix_name), value);
1530 if (strlen (term) > NOTMUCH_TERM_MAX)
1531 return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
1534 /* Look for the exact term */
1535 Xapian::TermIterator i = message->doc.termlist_begin ();
1537 if (i != message->doc.termlist_end () &&
1538 !strcmp ((*i).c_str (), term))
1540 } catch (Xapian::Error &error) {
1541 status = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
1550 notmuch_message_add_tag (notmuch_message_t *message, const char *tag)
1552 notmuch_private_status_t private_status;
1553 notmuch_status_t status;
1555 status = _notmuch_database_ensure_writable (message->notmuch);
1560 return NOTMUCH_STATUS_NULL_POINTER;
1562 if (strlen (tag) > NOTMUCH_TAG_MAX)
1563 return NOTMUCH_STATUS_TAG_TOO_LONG;
1565 private_status = _notmuch_message_add_term (message, "tag", tag);
1566 if (private_status) {
1567 INTERNAL_ERROR ("_notmuch_message_add_term return unexpected value: %d\n",
1571 if (! message->frozen)
1572 _notmuch_message_sync (message);
1574 return NOTMUCH_STATUS_SUCCESS;
1578 notmuch_message_remove_tag (notmuch_message_t *message, const char *tag)
1580 notmuch_private_status_t private_status;
1581 notmuch_status_t status;
1583 status = _notmuch_database_ensure_writable (message->notmuch);
1588 return NOTMUCH_STATUS_NULL_POINTER;
1590 if (strlen (tag) > NOTMUCH_TAG_MAX)
1591 return NOTMUCH_STATUS_TAG_TOO_LONG;
1593 private_status = _notmuch_message_remove_term (message, "tag", tag);
1594 if (private_status) {
1595 INTERNAL_ERROR ("_notmuch_message_remove_term return unexpected value: %d\n",
1599 if (! message->frozen)
1600 _notmuch_message_sync (message);
1602 return NOTMUCH_STATUS_SUCCESS;
1605 /* Is the given filename within a maildir directory?
1607 * Specifically, is the final directory component of 'filename' either
1608 * "cur" or "new". If so, return a pointer to that final directory
1609 * component within 'filename'. If not, return NULL.
1611 * A non-NULL return value is guaranteed to be a valid string pointer
1612 * pointing to the characters "new/" or "cur/", (but not
1616 _filename_is_in_maildir (const char *filename)
1618 const char *slash, *dir = NULL;
1620 /* Find the last '/' separating directory from filename. */
1621 slash = strrchr (filename, '/');
1625 /* Jump back 4 characters to where the previous '/' will be if the
1626 * directory is named "cur" or "new". */
1627 if (slash - filename < 4)
1637 if (STRNCMP_LITERAL (dir, "cur/") == 0 ||
1638 STRNCMP_LITERAL (dir, "new/") == 0)
1647 _ensure_maildir_flags (notmuch_message_t *message, bool force)
1650 notmuch_filenames_t *filenames;
1651 const char *filename, *dir;
1652 char *combined_flags = talloc_strdup (message, "");
1653 int seen_maildir_info = 0;
1655 if (message->maildir_flags) {
1657 talloc_free (message->maildir_flags);
1658 message->maildir_flags = NULL;
1662 for (filenames = notmuch_message_get_filenames (message);
1663 notmuch_filenames_valid (filenames);
1664 notmuch_filenames_move_to_next (filenames))
1666 filename = notmuch_filenames_get (filenames);
1667 dir = _filename_is_in_maildir (filename);
1672 flags = strstr (filename, ":2,");
1674 seen_maildir_info = 1;
1676 combined_flags = talloc_strdup_append (combined_flags, flags);
1677 } else if (STRNCMP_LITERAL (dir, "new/") == 0) {
1678 /* Messages are delivered to new/ with no "info" part, but
1679 * they effectively have default maildir flags. According
1680 * to the spec, we should ignore the info part for
1681 * messages in new/, but some MUAs (mutt) can set maildir
1682 * flags on messages in new/, so we're liberal in what we
1684 seen_maildir_info = 1;
1687 if (seen_maildir_info)
1688 message->maildir_flags = combined_flags;
1692 notmuch_message_has_maildir_flag (notmuch_message_t *message, char flag)
1694 _ensure_maildir_flags (message, false);
1695 return message->maildir_flags && (strchr (message->maildir_flags, flag) != NULL);
1699 notmuch_message_maildir_flags_to_tags (notmuch_message_t *message)
1701 notmuch_status_t status;
1704 _ensure_maildir_flags (message, true);
1705 /* If none of the filenames have any maildir info field (not even
1706 * an empty info with no flags set) then there's no information to
1707 * go on, so do nothing. */
1708 if (! message->maildir_flags)
1709 return NOTMUCH_STATUS_SUCCESS;
1711 status = notmuch_message_freeze (message);
1715 for (i = 0; i < ARRAY_SIZE(flag2tag); i++) {
1716 if ((strchr (message->maildir_flags, flag2tag[i].flag) != NULL)
1718 flag2tag[i].inverse)
1720 status = notmuch_message_add_tag (message, flag2tag[i].tag);
1722 status = notmuch_message_remove_tag (message, flag2tag[i].tag);
1727 status = notmuch_message_thaw (message);
1732 /* From the set of tags on 'message' and the flag2tag table, compute a
1733 * set of maildir-flag actions to be taken, (flags that should be
1734 * either set or cleared).
1736 * The result is returned as two talloced strings: to_set, and to_clear
1739 _get_maildir_flag_actions (notmuch_message_t *message,
1741 char **to_clear_ret)
1743 char *to_set, *to_clear;
1744 notmuch_tags_t *tags;
1748 to_set = talloc_strdup (message, "");
1749 to_clear = talloc_strdup (message, "");
1751 /* First, find flags for all set tags. */
1752 for (tags = notmuch_message_get_tags (message);
1753 notmuch_tags_valid (tags);
1754 notmuch_tags_move_to_next (tags))
1756 tag = notmuch_tags_get (tags);
1758 for (i = 0; i < ARRAY_SIZE (flag2tag); i++) {
1759 if (strcmp (tag, flag2tag[i].tag) == 0) {
1760 if (flag2tag[i].inverse)
1761 to_clear = talloc_asprintf_append (to_clear,
1765 to_set = talloc_asprintf_append (to_set,
1772 /* Then, find the flags for all tags not present. */
1773 for (i = 0; i < ARRAY_SIZE (flag2tag); i++) {
1774 if (flag2tag[i].inverse) {
1775 if (strchr (to_clear, flag2tag[i].flag) == NULL)
1776 to_set = talloc_asprintf_append (to_set, "%c", flag2tag[i].flag);
1778 if (strchr (to_set, flag2tag[i].flag) == NULL)
1779 to_clear = talloc_asprintf_append (to_clear, "%c", flag2tag[i].flag);
1783 *to_set_ret = to_set;
1784 *to_clear_ret = to_clear;
1787 /* Given 'filename' and a set of maildir flags to set and to clear,
1788 * compute the new maildir filename.
1790 * If the existing filename is in the directory "new", the new
1791 * filename will be in the directory "cur", except for the case when
1792 * no flags are changed and the existing filename does not contain
1793 * maildir info (starting with ",2:").
1795 * After a sequence of ":2," in the filename, any subsequent
1796 * single-character flags will be added or removed according to the
1797 * characters in flags_to_set and flags_to_clear. Any existing flags
1798 * not mentioned in either string will remain. The final list of flags
1799 * will be in ASCII order.
1801 * If the original flags seem invalid, (repeated characters or
1802 * non-ASCII ordering of flags), this function will return NULL
1803 * (meaning that renaming would not be safe and should not occur).
1806 _new_maildir_filename (void *ctx,
1807 const char *filename,
1808 const char *flags_to_set,
1809 const char *flags_to_clear)
1811 const char *info, *flags;
1812 unsigned int flag, last_flag;
1813 char *filename_new, *dir;
1815 int flags_in_map = 0;
1816 bool flags_changed = false;
1820 memset (flag_map, 0, sizeof (flag_map));
1822 info = strstr (filename, ":2,");
1825 info = filename + strlen(filename);
1827 /* Loop through existing flags in filename. */
1828 for (flags = info + 3, last_flag = 0;
1830 last_flag = flag, flags++)
1834 /* Original flags not in ASCII order. Abort. */
1835 if (flag < last_flag)
1838 /* Non-ASCII flag. Abort. */
1839 if (flag > sizeof(flag_map) - 1)
1842 /* Repeated flag value. Abort. */
1851 /* Then set and clear our flags from tags. */
1852 for (flags = flags_to_set; *flags; flags++) {
1854 if (flag_map[flag] == 0) {
1857 flags_changed = true;
1861 for (flags = flags_to_clear; *flags; flags++) {
1863 if (flag_map[flag]) {
1866 flags_changed = true;
1870 /* Messages in new/ without maildir info can be kept in new/ if no
1871 * flags have changed. */
1872 dir = (char *) _filename_is_in_maildir (filename);
1873 if (dir && STRNCMP_LITERAL (dir, "new/") == 0 && !*info && !flags_changed)
1874 return talloc_strdup (ctx, filename);
1876 filename_new = (char *) talloc_size (ctx,
1878 strlen (":2,") + flags_in_map + 1);
1879 if (unlikely (filename_new == NULL))
1882 strncpy (filename_new, filename, info - filename);
1883 filename_new[info - filename] = '\0';
1885 strcat (filename_new, ":2,");
1887 s = filename_new + strlen (filename_new);
1888 for (i = 0; i < sizeof (flag_map); i++)
1897 /* If message is in new/ move it under cur/. */
1898 dir = (char *) _filename_is_in_maildir (filename_new);
1899 if (dir && STRNCMP_LITERAL (dir, "new/") == 0)
1900 memcpy (dir, "cur/", 4);
1902 return filename_new;
1906 notmuch_message_tags_to_maildir_flags (notmuch_message_t *message)
1908 notmuch_filenames_t *filenames;
1909 const char *filename;
1911 char *to_set, *to_clear;
1912 notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
1914 _get_maildir_flag_actions (message, &to_set, &to_clear);
1916 for (filenames = notmuch_message_get_filenames (message);
1917 notmuch_filenames_valid (filenames);
1918 notmuch_filenames_move_to_next (filenames))
1920 filename = notmuch_filenames_get (filenames);
1922 if (! _filename_is_in_maildir (filename))
1925 filename_new = _new_maildir_filename (message, filename,
1927 if (filename_new == NULL)
1930 if (strcmp (filename, filename_new)) {
1932 notmuch_status_t new_status;
1934 err = rename (filename, filename_new);
1938 new_status = _notmuch_message_remove_filename (message,
1940 /* Hold on to only the first error. */
1941 if (! status && new_status
1942 && new_status != NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
1943 status = new_status;
1947 new_status = _notmuch_message_add_filename (message,
1949 /* Hold on to only the first error. */
1950 if (! status && new_status) {
1951 status = new_status;
1955 _notmuch_message_sync (message);
1958 talloc_free (filename_new);
1961 talloc_free (to_set);
1962 talloc_free (to_clear);
1968 notmuch_message_remove_all_tags (notmuch_message_t *message)
1970 notmuch_private_status_t private_status;
1971 notmuch_status_t status;
1972 notmuch_tags_t *tags;
1975 status = _notmuch_database_ensure_writable (message->notmuch);
1979 for (tags = notmuch_message_get_tags (message);
1980 notmuch_tags_valid (tags);
1981 notmuch_tags_move_to_next (tags))
1983 tag = notmuch_tags_get (tags);
1985 private_status = _notmuch_message_remove_term (message, "tag", tag);
1986 if (private_status) {
1987 INTERNAL_ERROR ("_notmuch_message_remove_term return unexpected value: %d\n",
1992 if (! message->frozen)
1993 _notmuch_message_sync (message);
1996 return NOTMUCH_STATUS_SUCCESS;
2000 notmuch_message_freeze (notmuch_message_t *message)
2002 notmuch_status_t status;
2004 status = _notmuch_database_ensure_writable (message->notmuch);
2010 return NOTMUCH_STATUS_SUCCESS;
2014 notmuch_message_thaw (notmuch_message_t *message)
2016 notmuch_status_t status;
2018 status = _notmuch_database_ensure_writable (message->notmuch);
2022 if (message->frozen > 0) {
2024 if (message->frozen == 0)
2025 _notmuch_message_sync (message);
2026 return NOTMUCH_STATUS_SUCCESS;
2028 return NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW;
2033 notmuch_message_destroy (notmuch_message_t *message)
2035 talloc_free (message);
2038 notmuch_database_t *
2039 notmuch_message_get_database (const notmuch_message_t *message)
2041 return message->notmuch;
2045 _notmuch_message_ensure_property_map (notmuch_message_t *message)
2047 notmuch_string_node_t *node;
2049 if (message->property_map)
2052 _notmuch_message_ensure_metadata (message, message->property_term_list);
2054 message->property_map = _notmuch_string_map_create (message);
2056 for (node = message->property_term_list->head; node; node = node->next) {
2060 value = strchr(node->string, '=');
2062 INTERNAL_ERROR ("malformed property term");
2068 _notmuch_string_map_append (message->property_map, key, value);
2072 talloc_free (message->property_term_list);
2073 message->property_term_list = NULL;
2076 notmuch_string_map_t *
2077 _notmuch_message_property_map (notmuch_message_t *message)
2079 _notmuch_message_ensure_property_map (message);
2081 return message->property_map;
2085 _notmuch_message_frozen (notmuch_message_t *message)
2087 return message->frozen;
2091 notmuch_message_reindex (notmuch_message_t *message,
2092 notmuch_indexopts_t *indexopts)
2094 notmuch_database_t *notmuch = NULL;
2095 notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
2096 notmuch_private_status_t private_status;
2097 notmuch_filenames_t *orig_filenames = NULL;
2098 const char *orig_thread_id = NULL;
2099 notmuch_message_file_t *message_file = NULL;
2103 if (message == NULL)
2104 return NOTMUCH_STATUS_NULL_POINTER;
2106 /* Save in case we need to delete message */
2107 orig_thread_id = notmuch_message_get_thread_id (message);
2108 if (!orig_thread_id) {
2109 /* XXX TODO: make up new error return? */
2110 INTERNAL_ERROR ("message without thread-id");
2113 /* strdup it because the metadata may be invalidated */
2114 orig_thread_id = talloc_strdup (message, orig_thread_id);
2116 notmuch = notmuch_message_get_database (message);
2118 ret = _notmuch_database_ensure_writable (notmuch);
2122 orig_filenames = notmuch_message_get_filenames (message);
2124 private_status = _notmuch_message_remove_indexed_terms (message);
2125 if (private_status) {
2126 ret = COERCE_STATUS(private_status, "error removing terms");
2130 ret = notmuch_message_remove_all_properties_with_prefix (message, "index.");
2132 goto DONE; /* XXX TODO: distinguish from other error returns above? */
2133 if (indexopts && notmuch_indexopts_get_decrypt_policy (indexopts) == NOTMUCH_DECRYPT_FALSE) {
2134 ret = notmuch_message_remove_all_properties (message, "session-key");
2139 /* re-add the filenames with the associated indexopts */
2140 for (; notmuch_filenames_valid (orig_filenames);
2141 notmuch_filenames_move_to_next (orig_filenames)) {
2144 const char *from, *to, *subject;
2145 char *message_id = NULL;
2146 const char *thread_id = NULL;
2148 const char *filename = notmuch_filenames_get (orig_filenames);
2150 message_file = _notmuch_message_file_open (notmuch, filename);
2151 if (message_file == NULL)
2154 ret = _notmuch_message_file_get_headers (message_file,
2155 &from, &subject, &to, &date,
2160 /* XXX TODO: deal with changing message id? */
2162 _notmuch_message_add_filename (message, filename);
2164 ret = _notmuch_database_link_message_to_parents (notmuch, message,
2170 if (thread_id == NULL)
2171 thread_id = orig_thread_id;
2173 _notmuch_message_add_term (message, "thread", thread_id);
2174 /* Take header values only from first filename */
2176 _notmuch_message_set_header_values (message, date, from, subject);
2178 ret = _notmuch_message_index_file (message, indexopts, message_file);
2180 if (ret == NOTMUCH_STATUS_FILE_ERROR)
2186 _notmuch_message_file_close (message_file);
2187 message_file = NULL;
2190 /* put back thread id to help cleanup */
2191 _notmuch_message_add_term (message, "thread", orig_thread_id);
2192 ret = _notmuch_message_delete (message);
2194 _notmuch_message_sync (message);
2199 _notmuch_message_file_close (message_file);
2201 /* XXX TODO destroy orig_filenames? */