X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fmessage.cc;h=a91e69e0283f7fcbf02fe19c3f7108e19d35ad2a;hp=7aff4ae5111a800a4204c0255e2b070c86164fce;hb=930920d5106e01d511dc339171ec3254e3d8771e;hpb=4d150eba6775d9c34276547c7ae248a8ec4e6107 diff --git a/lib/message.cc b/lib/message.cc index 7aff4ae5..a91e69e0 100644 --- a/lib/message.cc +++ b/lib/message.cc @@ -13,13 +13,14 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program. If not, see http://www.gnu.org/licenses/ . + * along with this program. If not, see https://www.gnu.org/licenses/ . * * Author: Carl Worth */ #include "notmuch-private.h" #include "database-private.h" +#include "message-private.h" #include @@ -37,8 +38,16 @@ struct visible _notmuch_message { notmuch_string_list_t *filename_list; char *author; notmuch_message_file_t *message_file; + notmuch_string_list_t *property_term_list; + notmuch_string_map_t *property_map; notmuch_message_list_t *replies; unsigned long flags; + /* For flags that are initialized on-demand, lazy_flags indicates + * if each flag has been initialized. */ + unsigned long lazy_flags; + + /* Message document modified since last sync */ + notmuch_bool_t modified; Xapian::Document doc; Xapian::termcount termpos; @@ -99,6 +108,7 @@ _notmuch_message_create_for_document (const void *talloc_owner, message->frozen = 0; message->flags = 0; + message->lazy_flags = 0; /* Each of these will be lazily created as needed. */ message->message_id = NULL; @@ -109,6 +119,8 @@ _notmuch_message_create_for_document (const void *talloc_owner, message->filename_list = NULL; message->message_file = NULL; message->author = NULL; + message->property_term_list = NULL; + message->property_map = NULL; message->replies = _notmuch_message_list_create (message); if (unlikely (message->replies == NULL)) { @@ -192,15 +204,17 @@ _notmuch_message_create (const void *talloc_owner, * * There is already a document with message ID 'message_id' in the * database. The returned message can be used to query/modify the - * document. + * document. The message may be a ghost message. + * * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND: * * No document with 'message_id' exists in the database. The * returned message contains a newly created document (not yet * added to the database) and a document ID that is known not to - * exist in the database. The caller can modify the message, and a - * call to _notmuch_message_sync will add * the document to the - * database. + * exist in the database. This message is "blank"; that is, it + * contains only a message ID and no other metadata. The caller + * can modify the message, and a call to _notmuch_message_sync + * will add the document to the database. * * If an error occurs, this function will return NULL and *status * will be set as appropriate. (The status pointer argument must @@ -224,6 +238,10 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch, else if (*status_ret) return NULL; + /* If the message ID is too long, substitute its sha1 instead. */ + if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX) + message_id = _notmuch_message_id_compressed (message, message_id); + term = talloc_asprintf (NULL, "%s%s", _find_prefix ("id"), message_id); if (term == NULL) { @@ -242,7 +260,7 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch, doc_id = _notmuch_database_generate_doc_id (notmuch); } catch (const Xapian::Error &error) { - fprintf (stderr, "A Xapian exception occurred creating message: %s\n", + _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred creating message: %s\n", error.get_msg().c_str()); notmuch->exception_reported = TRUE; *status_ret = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION; @@ -273,7 +291,7 @@ _notmuch_message_get_term (notmuch_message_t *message, if (i == end) return NULL; - std::string term = *i; + const std::string &term = *i; if (strncmp (term.c_str(), prefix, prefix_len)) return NULL; @@ -299,7 +317,9 @@ _notmuch_message_ensure_metadata (notmuch_message_t *message) const char *thread_prefix = _find_prefix ("thread"), *tag_prefix = _find_prefix ("tag"), *id_prefix = _find_prefix ("id"), + *type_prefix = _find_prefix ("type"), *filename_prefix = _find_prefix ("file-direntry"), + *property_prefix = _find_prefix ("property"), *replyto_prefix = _find_prefix ("replyto"); /* We do this all in a single pass because Xapian decompresses the @@ -331,27 +351,52 @@ _notmuch_message_ensure_metadata (notmuch_message_t *message) message->message_id = _notmuch_message_get_term (message, i, end, id_prefix); + /* Get document type */ + assert (strcmp (id_prefix, type_prefix) < 0); + if (! NOTMUCH_TEST_BIT (message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST)) { + i.skip_to (type_prefix); + /* "T" is the prefix "type" fields. See + * BOOLEAN_PREFIX_INTERNAL. */ + if (*i == "Tmail") + NOTMUCH_CLEAR_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST); + else if (*i == "Tghost") + NOTMUCH_SET_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST); + else + INTERNAL_ERROR ("Message without type term"); + NOTMUCH_SET_BIT (&message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST); + } + /* Get filename list. Here we get only the terms. We lazily * expand them to full file names when needed in * _notmuch_message_ensure_filename_list. */ - assert (strcmp (id_prefix, filename_prefix) < 0); + assert (strcmp (type_prefix, filename_prefix) < 0); if (!message->filename_term_list && !message->filename_list) message->filename_term_list = _notmuch_database_get_terms_with_prefix (message, i, end, filename_prefix); + + /* Get property terms. Mimic the setup with filenames above */ + assert (strcmp (filename_prefix, property_prefix) < 0); + if (!message->property_map && !message->property_term_list) + message->property_term_list = + _notmuch_database_get_terms_with_prefix (message, i, end, + property_prefix); + /* Get reply to */ - assert (strcmp (filename_prefix, replyto_prefix) < 0); + assert (strcmp (property_prefix, replyto_prefix) < 0); if (!message->in_reply_to) message->in_reply_to = _notmuch_message_get_term (message, i, end, replyto_prefix); + + /* It's perfectly valid for a message to have no In-Reply-To * header. For these cases, we return an empty string. */ if (!message->in_reply_to) message->in_reply_to = talloc_strdup (message, ""); } -static void +void _notmuch_message_invalidate_metadata (notmuch_message_t *message, const char *prefix_name) { @@ -365,12 +410,29 @@ _notmuch_message_invalidate_metadata (notmuch_message_t *message, message->tag_list = NULL; } + if (strcmp ("type", prefix_name) == 0) { + NOTMUCH_CLEAR_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST); + NOTMUCH_CLEAR_BIT (&message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST); + } + if (strcmp ("file-direntry", prefix_name) == 0) { talloc_free (message->filename_term_list); talloc_free (message->filename_list); message->filename_term_list = message->filename_list = NULL; } + if (strcmp ("property", prefix_name) == 0) { + + if (message->property_term_list) + talloc_free (message->property_term_list); + message->property_term_list = NULL; + + if (message->property_map) + talloc_unlink (message, message->property_map); + + message->property_map = NULL; + } + if (strcmp ("replyto", prefix_name) == 0) { talloc_free (message->in_reply_to); message->in_reply_to = NULL; @@ -406,32 +468,42 @@ _notmuch_message_ensure_message_file (notmuch_message_t *message) if (unlikely (filename == NULL)) return; - message->message_file = _notmuch_message_file_open_ctx (message, filename); + message->message_file = _notmuch_message_file_open_ctx ( + _notmuch_message_database (message), message, filename); } const char * notmuch_message_get_header (notmuch_message_t *message, const char *header) { - try { - 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()) + Xapian::valueno slot = Xapian::BAD_VALUENO; + + /* Fetch header from the appropriate xapian value field if + * available */ + if (strcasecmp (header, "from") == 0) + slot = NOTMUCH_VALUE_FROM; + else if (strcasecmp (header, "subject") == 0) + slot = NOTMUCH_VALUE_SUBJECT; + else if (strcasecmp (header, "message-id") == 0) + slot = NOTMUCH_VALUE_MESSAGE_ID; + + if (slot != Xapian::BAD_VALUENO) { + try { + std::string value = message->doc.get_value (slot); + + /* If we have NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES, then + * empty values indicate empty headers. If we don't, then + * it could just mean we didn't record the header. */ + if ((message->notmuch->features & + NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES) || + ! value.empty()) return talloc_strdup (message, value.c_str ()); - } catch (Xapian::Error &error) { - fprintf (stderr, "A Xapian exception occurred when reading header: %s\n", - error.get_msg().c_str()); - message->notmuch->exception_reported = TRUE; - return NULL; + } catch (Xapian::Error &error) { + _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred when reading header: %s\n", + error.get_msg().c_str()); + message->notmuch->exception_reported = TRUE; + return NULL; + } } /* Otherwise fall back to parsing the file */ @@ -439,7 +511,7 @@ notmuch_message_get_header (notmuch_message_t *message, const char *header) if (message->message_file == NULL) return NULL; - return notmuch_message_file_get_header (message->message_file, header); + return _notmuch_message_file_get_header (message->message_file, header); } /* Return the message ID from the In-Reply-To header of 'message'. @@ -481,7 +553,7 @@ notmuch_message_get_replies (notmuch_message_t *message) return _notmuch_messages_create (message->replies); } -static void +void _notmuch_message_remove_terms (notmuch_message_t *message, const char *prefix) { Xapian::TermIterator i; @@ -498,12 +570,97 @@ _notmuch_message_remove_terms (notmuch_message_t *message, const char *prefix) try { message->doc.remove_term ((*i)); + message->modified = TRUE; } catch (const Xapian::InvalidArgumentError) { /* Ignore failure to remove non-existent term. */ } } } +/* Return true if p points at "new" or "cur". */ +static bool is_maildir (const char *p) +{ + return strcmp (p, "cur") == 0 || strcmp (p, "new") == 0; +} + +/* Add "folder:" term for directory. */ +static notmuch_status_t +_notmuch_message_add_folder_terms (notmuch_message_t *message, + const char *directory) +{ + char *folder, *last; + + folder = talloc_strdup (NULL, directory); + if (! folder) + return NOTMUCH_STATUS_OUT_OF_MEMORY; + + /* + * If the message file is in a leaf directory named "new" or + * "cur", presume maildir and index the parent directory. Thus a + * "folder:" prefix search matches messages in the specified + * maildir folder, i.e. in the specified directory and its "new" + * and "cur" subdirectories. + * + * Note that this means the "folder:" prefix can't be used for + * distinguishing between message files in "new" or "cur". The + * "path:" prefix needs to be used for that. + * + * Note the deliberate difference to _filename_is_in_maildir(). We + * don't want to index different things depending on the existence + * or non-existence of all maildir sibling directories "new", + * "cur", and "tmp". Doing so would be surprising, and difficult + * for the user to fix in case all subdirectories were not in + * place during indexing. + */ + last = strrchr (folder, '/'); + if (last) { + if (is_maildir (last + 1)) + *last = '\0'; + } else if (is_maildir (folder)) { + *folder = '\0'; + } + + _notmuch_message_add_term (message, "folder", folder); + + talloc_free (folder); + + return NOTMUCH_STATUS_SUCCESS; +} + +#define RECURSIVE_SUFFIX "/**" + +/* Add "path:" terms for directory. */ +static notmuch_status_t +_notmuch_message_add_path_terms (notmuch_message_t *message, + const char *directory) +{ + /* Add exact "path:" term. */ + _notmuch_message_add_term (message, "path", directory); + + if (strlen (directory)) { + char *path, *p; + + path = talloc_asprintf (NULL, "%s%s", directory, RECURSIVE_SUFFIX); + if (! path) + return NOTMUCH_STATUS_OUT_OF_MEMORY; + + /* Add recursive "path:" terms for directory and all parents. */ + for (p = path + strlen (path) - 1; p > path; p--) { + if (*p == '/') { + strcpy (p, RECURSIVE_SUFFIX); + _notmuch_message_add_term (message, "path", path); + } + } + + talloc_free (path); + } + + /* Recursive all-matching path:** for consistency. */ + _notmuch_message_add_term (message, "path", "**"); + + return NOTMUCH_STATUS_SUCCESS; +} + /* Add directory based terms for all filenames of the message. */ static notmuch_status_t _notmuch_message_add_directory_terms (void *ctx, notmuch_message_t *message) @@ -517,15 +674,16 @@ _notmuch_message_add_directory_terms (void *ctx, notmuch_message_t *message) unsigned int directory_id; const char *direntry, *directory; char *colon; + const std::string &term = *i; /* Terminate loop at first term without desired prefix. */ - if (strncmp ((*i).c_str (), direntry_prefix, direntry_prefix_len)) + if (strncmp (term.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 = term.c_str (); direntry += direntry_prefix_len; directory_id = strtol (direntry, &colon, 10); @@ -536,8 +694,9 @@ _notmuch_message_add_directory_terms (void *ctx, notmuch_message_t *message) directory = _notmuch_database_get_directory_path (ctx, message->notmuch, directory_id); - if (strlen (directory)) - _notmuch_message_gen_terms (message, "folder", directory); + + _notmuch_message_add_folder_terms (message, directory); + _notmuch_message_add_path_terms (message, directory); } return status; @@ -559,6 +718,10 @@ _notmuch_message_add_filename (notmuch_message_t *message, if (filename == NULL) INTERNAL_ERROR ("Message filename cannot be NULL."); + if (! (message->notmuch->features & NOTMUCH_FEATURE_FILE_TERMS) || + ! (message->notmuch->features & NOTMUCH_FEATURE_BOOL_FOLDER)) + return NOTMUCH_STATUS_UPGRADE_REQUIRED; + relative = _notmuch_database_relative_path (message->notmuch, filename); status = _notmuch_database_split_path (local, relative, &directory, NULL); @@ -574,8 +737,8 @@ _notmuch_message_add_filename (notmuch_message_t *message, * notmuch_directory_get_child_files() . */ _notmuch_message_add_term (message, "file-direntry", direntry); - /* New terms allow user to search with folder: specification. */ - _notmuch_message_gen_terms (message, "folder", directory); + _notmuch_message_add_folder_terms (message, directory); + _notmuch_message_add_path_terms (message, directory); talloc_free (local); @@ -593,18 +756,20 @@ _notmuch_message_add_filename (notmuch_message_t *message, * 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 - * _notmuch_database_remove_message. */ + * notmuch_database_remove_message. */ notmuch_status_t _notmuch_message_remove_filename (notmuch_message_t *message, const char *filename) { void *local = talloc_new (message); - const char *folder_prefix = _find_prefix ("folder"); - char *zfolder_prefix = talloc_asprintf(local, "Z%s", folder_prefix); char *direntry; notmuch_private_status_t private_status; notmuch_status_t status; + if (! (message->notmuch->features & NOTMUCH_FEATURE_FILE_TERMS) || + ! (message->notmuch->features & NOTMUCH_FEATURE_BOOL_FOLDER)) + return NOTMUCH_STATUS_UPGRADE_REQUIRED; + status = _notmuch_database_filename_to_direntry ( local, message->notmuch, filename, NOTMUCH_FIND_LOOKUP, &direntry); if (status || !direntry) @@ -618,18 +783,15 @@ _notmuch_message_remove_filename (notmuch_message_t *message, 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:" and "path:" terms for this message. */ - /* 1. removing all "folder:" terms */ - _notmuch_message_remove_terms (message, folder_prefix); + /* Remove all "folder:" terms. */ + _notmuch_message_remove_terms (message, _find_prefix ("folder")); - /* 2. removing all "folder:" stemmed terms */ - _notmuch_message_remove_terms (message, zfolder_prefix); + /* Remove all "path:" terms. */ + _notmuch_message_remove_terms (message, _find_prefix ("path")); - /* 3. adding back terms for all remaining filenames of the message. */ + /* Add back terms for all remaining filenames of the message. */ status = _notmuch_message_add_directory_terms (local, message); talloc_free (local); @@ -637,6 +799,22 @@ _notmuch_message_remove_filename (notmuch_message_t *message, return status; } +/* Upgrade the "folder:" prefix from V1 to V2. */ +#define FOLDER_PREFIX_V1 "XFOLDER" +#define ZFOLDER_PREFIX_V1 "Z" FOLDER_PREFIX_V1 +void +_notmuch_message_upgrade_folder (notmuch_message_t *message) +{ + /* Remove all old "folder:" terms. */ + _notmuch_message_remove_terms (message, FOLDER_PREFIX_V1); + + /* Remove all old "folder:" stemmed terms. */ + _notmuch_message_remove_terms (message, ZFOLDER_PREFIX_V1); + + /* Add new boolean "folder:" and "path:" terms. */ + _notmuch_message_add_directory_terms (message, message); +} + char * _notmuch_message_talloc_copy_data (notmuch_message_t *message) { @@ -647,6 +825,7 @@ void _notmuch_message_clear_data (notmuch_message_t *message) { message->doc.set_data (""); + message->modified = TRUE; } static void @@ -670,9 +849,9 @@ _notmuch_message_ensure_filename_list (notmuch_message_t *message) * * It would be nice to do the upgrade of the document directly * here, but the database is likely open in read-only mode. */ - const char *data; - data = message->doc.get_data ().c_str (); + std::string datastr = message->doc.get_data (); + const char *data = datastr.c_str (); if (data == NULL) INTERNAL_ERROR ("message with no filename"); @@ -750,7 +929,11 @@ notmuch_bool_t notmuch_message_get_flag (notmuch_message_t *message, notmuch_message_flag_t flag) { - return message->flags & (1 << flag); + if (flag == NOTMUCH_MESSAGE_FLAG_GHOST && + ! NOTMUCH_TEST_BIT (message->lazy_flags, flag)) + _notmuch_message_ensure_metadata (message); + + return NOTMUCH_TEST_BIT (message->flags, flag); } void @@ -758,9 +941,10 @@ notmuch_message_set_flag (notmuch_message_t *message, notmuch_message_flag_t flag, notmuch_bool_t enable) { if (enable) - message->flags |= (1 << flag); + NOTMUCH_SET_BIT (&message->flags, flag); else - message->flags &= ~(1 << flag); + NOTMUCH_CLEAR_BIT (&message->flags, flag); + NOTMUCH_SET_BIT (&message->lazy_flags, flag); } time_t @@ -771,12 +955,15 @@ notmuch_message_get_date (notmuch_message_t *message) try { value = message->doc.get_value (NOTMUCH_VALUE_TIMESTAMP); } catch (Xapian::Error &error) { - fprintf (stderr, "A Xapian exception occurred when reading date: %s\n", + _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred when reading date: %s\n", error.get_msg().c_str()); message->notmuch->exception_reported = TRUE; return 0; } + if (value.empty ()) + /* sortable_unserialise is undefined on empty string */ + return 0; return Xapian::sortable_unserialise (value); } @@ -802,13 +989,13 @@ notmuch_message_get_tags (notmuch_message_t *message) } const char * -notmuch_message_get_author (notmuch_message_t *message) +_notmuch_message_get_author (notmuch_message_t *message) { return message->author; } void -notmuch_message_set_author (notmuch_message_t *message, +_notmuch_message_set_author (notmuch_message_t *message, const char *author) { if (message->author) @@ -836,6 +1023,17 @@ _notmuch_message_set_header_values (notmuch_message_t *message, Xapian::sortable_serialise (time_value)); message->doc.add_value (NOTMUCH_VALUE_FROM, from); message->doc.add_value (NOTMUCH_VALUE_SUBJECT, subject); + message->modified = TRUE; +} + +/* Upgrade a message to support NOTMUCH_FEATURE_LAST_MOD. The caller + * must call _notmuch_message_sync. */ +void +_notmuch_message_upgrade_last_mod (notmuch_message_t *message) +{ + /* _notmuch_message_sync will update the last modification + * revision; we just have to ask it to. */ + message->modified = TRUE; } /* Synchronize changes made to message->doc out into the database. */ @@ -847,24 +1045,128 @@ _notmuch_message_sync (notmuch_message_t *message) if (message->notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY) return; + if (! message->modified) + return; + + /* Update the last modification of this message. */ + if (message->notmuch->features & NOTMUCH_FEATURE_LAST_MOD) + /* sortable_serialise gives a reasonably compact encoding, + * which directly translates to reduced IO when scanning the + * value stream. Since it's built for doubles, we only get 53 + * effective bits, but that's still enough for the database to + * last a few centuries at 1 million revisions per second. */ + message->doc.add_value (NOTMUCH_VALUE_LAST_MOD, + Xapian::sortable_serialise ( + _notmuch_database_new_revision ( + message->notmuch))); + db = static_cast (message->notmuch->xapian_db); db->replace_document (message->doc_id, message->doc); + message->modified = FALSE; } -/* Delete a message document from the database. */ +/* Delete a message document from the database, leaving a ghost + * message in its place */ notmuch_status_t _notmuch_message_delete (notmuch_message_t *message) { notmuch_status_t status; Xapian::WritableDatabase *db; + const char *mid, *tid, *query_string; + notmuch_message_t *ghost; + notmuch_private_status_t private_status; + notmuch_database_t *notmuch; + notmuch_query_t *query; + unsigned int count = 0; + notmuch_bool_t is_ghost; + + mid = notmuch_message_get_message_id (message); + tid = notmuch_message_get_thread_id (message); + notmuch = message->notmuch; status = _notmuch_database_ensure_writable (message->notmuch); if (status) return status; - db = static_cast (message->notmuch->xapian_db); + db = static_cast (notmuch->xapian_db); db->delete_document (message->doc_id); - return NOTMUCH_STATUS_SUCCESS; + + /* if this was a ghost to begin with, we are done */ + private_status = _notmuch_message_has_term (message, "type", "ghost", &is_ghost); + if (private_status) + return COERCE_STATUS (private_status, + "Error trying to determine whether message was a ghost"); + if (is_ghost) + return NOTMUCH_STATUS_SUCCESS; + + query_string = talloc_asprintf (message, "thread:%s", tid); + query = notmuch_query_create (notmuch, query_string); + if (query == NULL) + return NOTMUCH_STATUS_OUT_OF_MEMORY; + status = notmuch_query_count_messages_st (query, &count); + if (status) { + notmuch_query_destroy (query); + return status; + } + + if (count > 0) { + /* reintroduce a ghost in its place because there are still + * other active messages in this thread: */ + ghost = _notmuch_message_create_for_message_id (notmuch, mid, &private_status); + if (private_status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND) { + private_status = _notmuch_message_initialize_ghost (ghost, tid); + if (! private_status) + _notmuch_message_sync (ghost); + } else if (private_status == NOTMUCH_PRIVATE_STATUS_SUCCESS) { + /* this is deeply weird, and we should not have gotten + into this state. is there a better error message to + return here? */ + status = NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID; + } + + notmuch_message_destroy (ghost); + status = COERCE_STATUS (private_status, "Error converting to ghost message"); + } else { + /* the thread is empty; drop all ghost messages from it */ + notmuch_messages_t *messages; + status = _notmuch_query_search_documents (query, + "ghost", + &messages); + if (status == NOTMUCH_STATUS_SUCCESS) { + notmuch_status_t last_error = NOTMUCH_STATUS_SUCCESS; + while (notmuch_messages_valid (messages)) { + message = notmuch_messages_get (messages); + status = _notmuch_message_delete (message); + if (status) /* we'll report the last failure we see; + * if there is more than one failure, we + * forget about previous ones */ + last_error = status; + notmuch_message_destroy (message); + notmuch_messages_move_to_next (messages); + } + status = last_error; + } + } + notmuch_query_destroy (query); + return status; +} + +/* Transform a blank message into a ghost message. The caller must + * _notmuch_message_sync the message. */ +notmuch_private_status_t +_notmuch_message_initialize_ghost (notmuch_message_t *message, + const char *thread_id) +{ + notmuch_private_status_t status; + + status = _notmuch_message_add_term (message, "type", "ghost"); + if (status) + return status; + status = _notmuch_message_add_term (message, "thread", thread_id); + if (status) + return status; + + return NOTMUCH_PRIVATE_STATUS_SUCCESS; } /* Ensure that 'message' is not holding any file object open. Future @@ -875,7 +1177,7 @@ void _notmuch_message_close (notmuch_message_t *message) { if (message->message_file) { - notmuch_message_file_close (message->message_file); + _notmuch_message_file_close (message->message_file); message->message_file = NULL; } } @@ -905,6 +1207,7 @@ _notmuch_message_add_term (notmuch_message_t *message, return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG; message->doc.add_term (term, 0); + message->modified = TRUE; talloc_free (term); @@ -927,16 +1230,23 @@ _notmuch_message_gen_terms (notmuch_message_t *message, return NOTMUCH_PRIVATE_STATUS_NULL_POINTER; term_gen->set_document (message->doc); - term_gen->set_termpos (message->termpos); if (prefix_name) { const char *prefix = _find_prefix (prefix_name); + term_gen->set_termpos (message->termpos); term_gen->index_text (text, 1, prefix); - message->termpos = term_gen->get_termpos (); + /* Create a gap between this an the next terms so they don't + * appear to be a phrase. */ + message->termpos = term_gen->get_termpos () + 100; + + _notmuch_message_invalidate_metadata (message, prefix_name); } + term_gen->set_termpos (message->termpos); term_gen->index_text (text); + /* Create a term gap, as above. */ + message->termpos = term_gen->get_termpos () + 100; return NOTMUCH_PRIVATE_STATUS_SUCCESS; } @@ -966,8 +1276,9 @@ _notmuch_message_remove_term (notmuch_message_t *message, try { message->doc.remove_term (term); + message->modified = TRUE; } catch (const Xapian::InvalidArgumentError) { - /* We'll let the philosopher's try to wrestle with the + /* We'll let the philosophers try to wrestle with the * question of whether failing to remove that which was not * there in the first place is failure. For us, we'll silently * consider it all good. */ @@ -980,6 +1291,41 @@ _notmuch_message_remove_term (notmuch_message_t *message, return NOTMUCH_PRIVATE_STATUS_SUCCESS; } +notmuch_private_status_t +_notmuch_message_has_term (notmuch_message_t *message, + const char *prefix_name, + const char *value, + notmuch_bool_t *result) +{ + char *term; + notmuch_bool_t out = FALSE; + notmuch_private_status_t status = NOTMUCH_PRIVATE_STATUS_SUCCESS; + + if (value == NULL) + return NOTMUCH_PRIVATE_STATUS_NULL_POINTER; + + term = talloc_asprintf (message, "%s%s", + _find_prefix (prefix_name), value); + + if (strlen (term) > NOTMUCH_TERM_MAX) + return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG; + + try { + /* Look for the exact term */ + Xapian::TermIterator i = message->doc.termlist_begin (); + i.skip_to (term); + if (i != message->doc.termlist_end () && + !strcmp ((*i).c_str (), term)) + out = TRUE; + } catch (Xapian::Error &error) { + status = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION; + } + talloc_free (term); + + *result = out; + return status; +} + notmuch_status_t notmuch_message_add_tag (notmuch_message_t *message, const char *tag) { @@ -1126,7 +1472,7 @@ notmuch_message_maildir_flags_to_tags (notmuch_message_t *message) for (i = 0; i < ARRAY_SIZE(flag2tag); i++) { if ((strchr (combined_flags, flag2tag[i].flag) != NULL) - ^ + ^ flag2tag[i].inverse) { status = notmuch_message_add_tag (message, flag2tag[i].tag); @@ -1375,7 +1721,7 @@ notmuch_message_tags_to_maildir_flags (notmuch_message_t *message) talloc_free (to_set); talloc_free (to_clear); - return NOTMUCH_STATUS_SUCCESS; + return status; } notmuch_status_t @@ -1448,3 +1794,56 @@ notmuch_message_destroy (notmuch_message_t *message) { talloc_free (message); } + +notmuch_database_t * +_notmuch_message_database (notmuch_message_t *message) +{ + return message->notmuch; +} + +void +_notmuch_message_ensure_property_map (notmuch_message_t *message) +{ + notmuch_string_node_t *node; + + if (message->property_map) + return; + + if (!message->property_term_list) + _notmuch_message_ensure_metadata (message); + + message->property_map = _notmuch_string_map_create (message); + + for (node = message->property_term_list->head; node; node = node->next) { + const char *key; + char *value; + + value = index(node->string, '='); + if (!value) + INTERNAL_ERROR ("malformed property term"); + + *value = '\0'; + value++; + key = node->string; + + _notmuch_string_map_append (message->property_map, key, value); + + } + + talloc_free (message->property_term_list); + message->property_term_list = NULL; +} + +notmuch_string_map_t * +_notmuch_message_property_map (notmuch_message_t *message) +{ + _notmuch_message_ensure_property_map (message); + + return message->property_map; +} + +notmuch_bool_t +_notmuch_message_frozen (notmuch_message_t *message) +{ + return message->frozen; +}