X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fmessage.cc;h=c4261e614d4eb83b605bd2312cad727a57b9ab95;hp=43f8e700c089398757c2e3b320b9b6c64826fbc3;hb=a7bf045fb178b5ed48e71269427cec42c21f8cd6;hpb=f271071330fed2947abfa7e9956a85a978924548 diff --git a/lib/message.cc b/lib/message.cc index 43f8e700..c4261e61 100644 --- a/lib/message.cc +++ b/lib/message.cc @@ -25,13 +25,14 @@ #include -struct _notmuch_message { +struct visible _notmuch_message { notmuch_database_t *notmuch; Xapian::docid doc_id; int frozen; char *message_id; char *thread_id; char *in_reply_to; + notmuch_string_list_t *tag_list; notmuch_string_list_t *filename_term_list; notmuch_string_list_t *filename_list; char *author; @@ -48,16 +49,16 @@ struct _notmuch_message { struct maildir_flag_tag { char flag; const char *tag; - bool inverse; + notmuch_bool_t inverse; }; /* ASCII ordered table of Maildir flags and associated tags */ static struct maildir_flag_tag flag2tag[] = { - { 'D', "draft", false}, - { 'F', "flagged", false}, - { 'P', "passed", false}, - { 'R', "replied", false}, - { 'S', "unread", true } + { 'D', "draft", FALSE}, + { 'F', "flagged", FALSE}, + { 'P', "passed", FALSE}, + { 'R', "replied", FALSE}, + { 'S', "unread", TRUE } }; /* We end up having to call the destructor explicitly because we had @@ -103,6 +104,7 @@ _notmuch_message_create_for_document (const void *talloc_owner, message->message_id = NULL; message->thread_id = NULL; message->in_reply_to = NULL; + message->tag_list = NULL; message->filename_term_list = NULL; message->filename_list = NULL; message->message_file = NULL; @@ -211,15 +213,16 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch, { notmuch_message_t *message; Xapian::Document doc; - Xapian::WritableDatabase *db; unsigned int doc_id; char *term; - *status_ret = NOTMUCH_PRIVATE_STATUS_SUCCESS; - - message = notmuch_database_find_message (notmuch, message_id); + *status_ret = (notmuch_private_status_t) notmuch_database_find_message (notmuch, + message_id, + &message); if (message) return talloc_steal (notmuch, message); + else if (*status_ret) + return NULL; term = talloc_asprintf (NULL, "%s%s", _find_prefix ("id"), message_id); @@ -231,7 +234,6 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch, if (notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY) INTERNAL_ERROR ("Failure to ensure database is writable."); - db = static_cast (notmuch->xapian_db); try { doc.add_term (term, 0); talloc_free (term); @@ -264,18 +266,18 @@ _notmuch_message_get_term (notmuch_message_t *message, const char *prefix) { int prefix_len = strlen (prefix); - const char *term = NULL; char *value; i.skip_to (prefix); - if (i != end) - term = (*i).c_str (); + if (i == end) + return NULL; - if (!term || strncmp (term, prefix, prefix_len)) + std::string term = *i; + if (strncmp (term.c_str(), prefix, prefix_len)) return NULL; - value = talloc_strdup (message, term + prefix_len); + value = talloc_strdup (message, term.c_str() + prefix_len); #if DEBUG_DATABASE_SANITY i++; @@ -295,6 +297,7 @@ _notmuch_message_ensure_metadata (notmuch_message_t *message) { Xapian::TermIterator i, end; const char *thread_prefix = _find_prefix ("thread"), + *tag_prefix = _find_prefix ("tag"), *id_prefix = _find_prefix ("id"), *filename_prefix = _find_prefix ("file-direntry"), *replyto_prefix = _find_prefix ("replyto"); @@ -313,8 +316,17 @@ _notmuch_message_ensure_metadata (notmuch_message_t *message) message->thread_id = _notmuch_message_get_term (message, i, end, thread_prefix); + /* Get tags */ + assert (strcmp (thread_prefix, tag_prefix) < 0); + if (!message->tag_list) { + message->tag_list = + _notmuch_database_get_terms_with_prefix (message, i, end, + tag_prefix); + _notmuch_string_list_sort (message->tag_list); + } + /* Get id */ - assert (strcmp (thread_prefix, id_prefix) < 0); + assert (strcmp (tag_prefix, id_prefix) < 0); if (!message->message_id) message->message_id = _notmuch_message_get_term (message, i, end, id_prefix); @@ -348,6 +360,11 @@ _notmuch_message_invalidate_metadata (notmuch_message_t *message, message->thread_id = NULL; } + if (strcmp ("tag", prefix_name) == 0) { + talloc_unlink (message, message->tag_list); + message->tag_list = NULL; + } + if (strcmp ("file-direntry", prefix_name) == 0) { talloc_free (message->filename_term_list); talloc_free (message->filename_list); @@ -395,6 +412,21 @@ _notmuch_message_ensure_message_file (notmuch_message_t *message) const char * notmuch_message_get_header (notmuch_message_t *message, const char *header) { + std::string value; + + /* Fetch header from the appropriate xapian value field if + * available */ + if (strcasecmp (header, "from") == 0) + value = message->doc.get_value (NOTMUCH_VALUE_FROM); + else if (strcasecmp (header, "subject") == 0) + value = message->doc.get_value (NOTMUCH_VALUE_SUBJECT); + else if (strcasecmp (header, "message-id") == 0) + value = message->doc.get_value (NOTMUCH_VALUE_MESSAGE_ID); + + if (!value.empty()) + return talloc_strdup (message, value.c_str ()); + + /* Otherwise fall back to parsing the file */ _notmuch_message_ensure_message_file (message); if (message->message_file == NULL) return NULL; @@ -430,9 +462,9 @@ notmuch_message_get_thread_id (notmuch_message_t *message) void _notmuch_message_add_reply (notmuch_message_t *message, - notmuch_message_node_t *reply) + notmuch_message_t *reply) { - _notmuch_message_list_append (message->replies, reply); + _notmuch_message_list_add_message (message->replies, reply); } notmuch_messages_t * @@ -463,9 +495,8 @@ _notmuch_message_add_filename (notmuch_message_t *message, if (status) return status; - status = _notmuch_database_filename_to_direntry (local, - message->notmuch, - filename, &direntry); + status = _notmuch_database_filename_to_direntry ( + local, message->notmuch, filename, NOTMUCH_FIND_CREATE, &direntry); if (status) return status; @@ -486,6 +517,9 @@ _notmuch_message_add_filename (notmuch_message_t *message, * This change will not be reflected in the database until the next * call to _notmuch_message_sync. * + * If this message still has other filenames, returns + * NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID. + * * Note: This function does not remove a document from the database, * even if the specified filename is the only filename for this * message. For that functionality, see @@ -499,14 +533,16 @@ _notmuch_message_remove_filename (notmuch_message_t *message, const char *folder_prefix = _find_prefix ("folder"); int folder_prefix_len = strlen (folder_prefix); void *local = talloc_new (message); + char *zfolder_prefix = talloc_asprintf(local, "Z%s", folder_prefix); + int zfolder_prefix_len = strlen (zfolder_prefix); char *direntry; notmuch_private_status_t private_status; notmuch_status_t status; Xapian::TermIterator i, last; - status = _notmuch_database_filename_to_direntry (local, message->notmuch, - filename, &direntry); - if (status) + status = _notmuch_database_filename_to_direntry ( + local, message->notmuch, filename, NOTMUCH_FIND_LOOKUP, &direntry); + if (status || !direntry) return status; /* Unlink this file from its parent directory. */ @@ -514,10 +550,15 @@ _notmuch_message_remove_filename (notmuch_message_t *message, "file-direntry", direntry); status = COERCE_STATUS (private_status, "Unexpected error from _notmuch_message_remove_term"); + if (status) + return status; + + /* Re-synchronize "folder:" terms for this message. This requires: + * 1. removing all "folder:" terms + * 2. removing all "folder:" stemmed terms + * 3. adding back terms for all remaining filenames of the message. */ - /* Re-synchronize "folder:" terms for this message. This requires - * first removing all "folder:" terms, then adding back terms for - * all remaining filenames of the message. */ + /* 1. removing all "folder:" terms */ while (1) { i = message->doc.termlist_begin (); i.skip_to (folder_prefix); @@ -536,6 +577,26 @@ _notmuch_message_remove_filename (notmuch_message_t *message, } } + /* 2. removing all "folder:" stemmed terms */ + while (1) { + i = message->doc.termlist_begin (); + i.skip_to (zfolder_prefix); + + /* Terminate loop when no terms remain with desired prefix. */ + if (i == message->doc.termlist_end () || + strncmp ((*i).c_str (), zfolder_prefix, zfolder_prefix_len)) + { + break; + } + + try { + message->doc.remove_term ((*i)); + } catch (const Xapian::InvalidArgumentError) { + /* Ignore failure to remove non-existent term. */ + } + } + + /* 3. adding back terms for all remaining filenames of the message. */ i = message->doc.termlist_begin (); i.skip_to (direntry_prefix); @@ -548,6 +609,9 @@ _notmuch_message_remove_filename (notmuch_message_t *message, if (strncmp ((*i).c_str (), direntry_prefix, direntry_prefix_len)) break; + /* Indicate that there are filenames remaining. */ + status = NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID; + direntry = (*i).c_str (); direntry += direntry_prefix_len; @@ -712,14 +776,22 @@ notmuch_message_get_date (notmuch_message_t *message) notmuch_tags_t * notmuch_message_get_tags (notmuch_message_t *message) { - Xapian::TermIterator i, end; - notmuch_string_list_t *tags; - i = message->doc.termlist_begin(); - end = message->doc.termlist_end(); - tags = _notmuch_database_get_terms_with_prefix (message, i, end, - _find_prefix ("tag")); - _notmuch_string_list_sort (tags); - return _notmuch_tags_create (message, tags); + notmuch_tags_t *tags; + + if (!message->tag_list) + _notmuch_message_ensure_metadata (message); + + tags = _notmuch_tags_create (message, message->tag_list); + /* _notmuch_tags_create steals the reference to the tag_list, but + * in this case it's still used by the message, so we add an + * *additional* talloc reference to the list. As a result, it's + * possible to modify the message tags (which talloc_unlink's the + * current list from the message) while still iterating because + * the iterator will keep the current list alive. */ + if (!talloc_reference (message, message->tag_list)) + return NULL; + + return tags; } const char * @@ -739,8 +811,10 @@ notmuch_message_set_author (notmuch_message_t *message, } void -_notmuch_message_set_date (notmuch_message_t *message, - const char *date) +_notmuch_message_set_header_values (notmuch_message_t *message, + const char *date, + const char *from, + const char *subject) { time_t time_value; @@ -753,6 +827,8 @@ _notmuch_message_set_date (notmuch_message_t *message, message->doc.add_value (NOTMUCH_VALUE_TIMESTAMP, Xapian::sortable_serialise (time_value)); + message->doc.add_value (NOTMUCH_VALUE_FROM, from); + message->doc.add_value (NOTMUCH_VALUE_SUBJECT, subject); } /* Synchronize changes made to message->doc out into the database. */ @@ -768,6 +844,22 @@ _notmuch_message_sync (notmuch_message_t *message) db->replace_document (message->doc_id, message->doc); } +/* Delete a message document from the database. */ +notmuch_status_t +_notmuch_message_delete (notmuch_message_t *message) +{ + notmuch_status_t status; + Xapian::WritableDatabase *db; + + status = _notmuch_database_ensure_writable (message->notmuch); + if (status) + return status; + + db = static_cast (message->notmuch->xapian_db); + db->delete_document (message->doc_id); + return NOTMUCH_STATUS_SUCCESS; +} + /* Ensure that 'message' is not holding any file object open. Future * calls to various functions will still automatically open the * message file as needed. @@ -816,7 +908,7 @@ _notmuch_message_add_term (notmuch_message_t *message, /* Parse 'text' and add a term to 'message' for each parsed word. Each * term will be added both prefixed (if prefix_name is not NULL) and - * also unprefixed). */ + * also non-prefixed). */ notmuch_private_status_t _notmuch_message_gen_terms (notmuch_message_t *message, const char *prefix_name, @@ -937,13 +1029,54 @@ notmuch_message_remove_tag (notmuch_message_t *message, const char *tag) return NOTMUCH_STATUS_SUCCESS; } +/* Is the given filename within a maildir directory? + * + * Specifically, is the final directory component of 'filename' either + * "cur" or "new". If so, return a pointer to that final directory + * component within 'filename'. If not, return NULL. + * + * A non-NULL return value is guaranteed to be a valid string pointer + * pointing to the characters "new/" or "cur/", (but not + * NUL-terminated). + */ +static const char * +_filename_is_in_maildir (const char *filename) +{ + const char *slash, *dir = NULL; + + /* Find the last '/' separating directory from filename. */ + slash = strrchr (filename, '/'); + if (slash == NULL) + return NULL; + + /* Jump back 4 characters to where the previous '/' will be if the + * directory is named "cur" or "new". */ + if (slash - filename < 4) + return NULL; + + slash -= 4; + + if (*slash != '/') + return NULL; + + dir = slash + 1; + + if (STRNCMP_LITERAL (dir, "cur/") == 0 || + STRNCMP_LITERAL (dir, "new/") == 0) + { + return dir; + } + + return NULL; +} + notmuch_status_t notmuch_message_maildir_flags_to_tags (notmuch_message_t *message) { const char *flags; notmuch_status_t status; notmuch_filenames_t *filenames; - const char *filename; + const char *filename, *dir; char *combined_flags = talloc_strdup (message, ""); unsigned i; int seen_maildir_info = 0; @@ -953,15 +1086,25 @@ notmuch_message_maildir_flags_to_tags (notmuch_message_t *message) notmuch_filenames_move_to_next (filenames)) { filename = notmuch_filenames_get (filenames); + dir = _filename_is_in_maildir (filename); - flags = strstr (filename, ":2,"); - if (! flags) + if (! dir) continue; - seen_maildir_info = 1; - flags += 3; - - combined_flags = talloc_strdup_append (combined_flags, flags); + flags = strstr (filename, ":2,"); + if (flags) { + seen_maildir_info = 1; + flags += 3; + combined_flags = talloc_strdup_append (combined_flags, flags); + } else if (STRNCMP_LITERAL (dir, "new/") == 0) { + /* Messages are delivered to new/ with no "info" part, but + * they effectively have default maildir flags. According + * to the spec, we should ignore the info part for + * messages in new/, but some MUAs (mutt) can set maildir + * flags on messages in new/, so we're liberal in what we + * accept. */ + seen_maildir_info = 1; + } } /* If none of the filenames have any maildir info field (not even @@ -993,47 +1136,6 @@ notmuch_message_maildir_flags_to_tags (notmuch_message_t *message) return status; } -/* Is the given filename within a maildir directory? - * - * Specifically, is the final directory component of 'filename' either - * "cur" or "new". If so, return a pointer to that final directory - * component within 'filename'. If not, return NULL. - * - * A non-NULL return value is guaranteed to be a valid string pointer - * pointing to the characters "new/" or "cur/", (but not - * NUL-terminated). - */ -static const char * -_filename_is_in_maildir (const char *filename) -{ - const char *slash, *dir = NULL; - - /* Find the last '/' separating directory from filename. */ - slash = strrchr (filename, '/'); - if (slash == NULL) - return NULL; - - /* Jump back 4 characters to where the previous '/' will be if the - * directory is named "cur" or "new". */ - if (slash - filename < 4) - return NULL; - - slash -= 4; - - if (*slash != '/') - return NULL; - - dir = slash + 1; - - if (STRNCMP_LITERAL (dir, "cur/") == 0 || - STRNCMP_LITERAL (dir, "new/") == 0) - { - return dir; - } - - return NULL; -} - /* From the set of tags on 'message' and the flag2tag table, compute a * set of maildir-flag actions to be taken, (flags that should be * either set or cleared). @@ -1126,8 +1228,6 @@ _new_maildir_filename (void *ctx, if (info == NULL) { info = filename + strlen(filename); } else { - flags = info + 3; - /* Loop through existing flags in filename. */ for (flags = info + 3, last_flag = 0; *flags; @@ -1234,7 +1334,8 @@ notmuch_message_tags_to_maildir_flags (notmuch_message_t *message) new_status = _notmuch_message_remove_filename (message, filename); /* Hold on to only the first error. */ - if (! status && new_status) { + if (! status && new_status + && new_status != NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) { status = new_status; continue; } @@ -1287,6 +1388,7 @@ notmuch_message_remove_all_tags (notmuch_message_t *message) if (! message->frozen) _notmuch_message_sync (message); + talloc_free (tags); return NOTMUCH_STATUS_SUCCESS; }