X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fmessage.cc;h=71f5619fe0c04435cc5a5996ff48d995288fe5a0;hp=1cda55a1e1b67b9573f7994018cc97bb73d08acc;hb=98845fdbb2a4acaa0036f8e2e998e726b18e6b13;hpb=d12801c8b4d04a50fcb912b75017244fb09658e8 diff --git a/lib/message.cc b/lib/message.cc index 1cda55a1..71f5619f 100644 --- a/lib/message.cc +++ b/lib/message.cc @@ -35,6 +35,7 @@ struct _notmuch_message { char *thread_id; char *in_reply_to; char *filename; + char *author; notmuch_message_file_t *message_file; notmuch_message_list_t *replies; unsigned long flags; @@ -42,13 +43,6 @@ struct _notmuch_message { Xapian::Document doc; }; -/* "128 bits of thread-id ought to be enough for anybody" */ -#define NOTMUCH_THREAD_ID_BITS 128 -#define NOTMUCH_THREAD_ID_DIGITS (NOTMUCH_THREAD_ID_BITS / 4) -typedef struct _thread_id { - char str[NOTMUCH_THREAD_ID_DIGITS + 1]; -} thread_id_t; - /* We end up having to call the destructor explicitly because we had * to use "placement new" in order to initialize C++ objects within a * block that we allocated with talloc. So C++ is making talloc @@ -63,35 +57,12 @@ _notmuch_message_destructor (notmuch_message_t *message) return 0; } -/* Create a new notmuch_message_t object for an existing document in - * the database. - * - * Here, 'talloc owner' is an optional talloc context to which the new - * message will belong. This allows for the caller to not bother - * calling notmuch_message_destroy on the message, and no that all - * memory will be reclaimed with 'talloc_owner' is free. The caller - * still can call notmuch_message_destroy when finished with the - * message if desired. - * - * The 'talloc_owner' argument can also be NULL, in which case the - * caller *is* responsible for calling notmuch_message_destroy. - * - * If no document exists in the database with document ID of 'doc_id' - * then this function returns NULL and optionally sets *status to - * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND. - * - * This function can also fail to due lack of available memory, - * returning NULL and optionally setting *status to - * NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY. - * - * The caller can pass NULL for status if uninterested in - * distinguishing these two cases. - */ -notmuch_message_t * -_notmuch_message_create (const void *talloc_owner, - notmuch_database_t *notmuch, - unsigned int doc_id, - notmuch_private_status_t *status) +static notmuch_message_t * +_notmuch_message_create_for_document (const void *talloc_owner, + notmuch_database_t *notmuch, + unsigned int doc_id, + Xapian::Document doc, + notmuch_private_status_t *status) { notmuch_message_t *message; @@ -117,6 +88,7 @@ _notmuch_message_create (const void *talloc_owner, message->in_reply_to = NULL; message->filename = NULL; message->message_file = NULL; + message->author = NULL; message->replies = _notmuch_message_list_create (message); if (unlikely (message->replies == NULL)) { @@ -135,16 +107,53 @@ _notmuch_message_create (const void *talloc_owner, talloc_set_destructor (message, _notmuch_message_destructor); + message->doc = doc; + + return message; +} + +/* Create a new notmuch_message_t object for an existing document in + * the database. + * + * Here, 'talloc owner' is an optional talloc context to which the new + * message will belong. This allows for the caller to not bother + * calling notmuch_message_destroy on the message, and no that all + * memory will be reclaimed with 'talloc_owner' is free. The caller + * still can call notmuch_message_destroy when finished with the + * message if desired. + * + * The 'talloc_owner' argument can also be NULL, in which case the + * caller *is* responsible for calling notmuch_message_destroy. + * + * If no document exists in the database with document ID of 'doc_id' + * then this function returns NULL and optionally sets *status to + * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND. + * + * This function can also fail to due lack of available memory, + * returning NULL and optionally setting *status to + * NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY. + * + * The caller can pass NULL for status if uninterested in + * distinguishing these two cases. + */ +notmuch_message_t * +_notmuch_message_create (const void *talloc_owner, + notmuch_database_t *notmuch, + unsigned int doc_id, + notmuch_private_status_t *status) +{ + Xapian::Document doc; + try { - message->doc = notmuch->xapian_db->get_document (doc_id); + doc = notmuch->xapian_db->get_document (doc_id); } catch (const Xapian::DocNotFoundError &error) { - talloc_free (message); if (status) *status = NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND; return NULL; } - return message; + return _notmuch_message_create_for_document (talloc_owner, notmuch, + doc_id, doc, status); } /* Create a new notmuch_message_t object for a specific message ID, @@ -153,11 +162,24 @@ _notmuch_message_create (const void *talloc_owner, * The 'notmuch' database will be the talloc owner of the returned * message. * - * If there is already a document with message ID 'message_id' in the - * database, then the returned message can be used to query/modify the - * document. Otherwise, a new document will be inserted into the - * database before this function returns, (and *status will be set - * to NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND). + * This function returns a valid notmuch_message_t whether or not + * there is already a document in the database with the given message + * ID. These two cases can be distinguished by the value of *status: + * + * + * NOTMUCH_PRIVATE_STATUS_SUCCESS: + * + * There is already a document with message ID 'message_id' in the + * database. The returned message can be used to query/modify the + * document. + * 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. * * If an error occurs, this function will return NULL and *status * will be set as appropriate. (The status pointer argument must @@ -192,12 +214,12 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch, db = static_cast (notmuch->xapian_db); try { - doc.add_term (term); + doc.add_term (term, 0); talloc_free (term); doc.add_value (NOTMUCH_VALUE_MESSAGE_ID, message_id); - doc_id = db->add_document (doc); + doc_id = _notmuch_database_generate_doc_id (notmuch); } catch (const Xapian::Error &error) { fprintf (stderr, "A Xapian exception occurred creating message: %s\n", error.get_msg().c_str()); @@ -206,8 +228,8 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch, return NULL; } - message = _notmuch_message_create (notmuch, notmuch, - doc_id, status_ret); + message = _notmuch_message_create_for_document (notmuch, notmuch, + doc_id, doc, status_ret); /* We want to inform the caller that we had to create a new * document. */ @@ -386,7 +408,7 @@ notmuch_message_get_replies (notmuch_message_t *message) /* Add an additional 'filename' for 'message'. * * This change will not be reflected in the database until the next - * call to _notmuch_message_set_sync. */ + * call to _notmuch_message_sync. */ notmuch_status_t _notmuch_message_add_filename (notmuch_message_t *message, const char *filename) @@ -434,7 +456,7 @@ notmuch_message_get_filename (notmuch_message_t *message) const char *prefix = _find_prefix ("file-direntry"); int prefix_len = strlen (prefix); Xapian::TermIterator i; - char *direntry, *colon; + char *colon, *direntry = NULL; const char *db_path, *directory, *basename; unsigned int directory_id; void *local = talloc_new (message); @@ -540,6 +562,22 @@ notmuch_message_get_tags (notmuch_message_t *message) return _notmuch_convert_tags(message, i, end); } +const char * +notmuch_message_get_author (notmuch_message_t *message) +{ + return message->author; +} + +void +notmuch_message_set_author (notmuch_message_t *message, + const char *author) +{ + if (message->author) + talloc_free(message->author); + message->author = talloc_strdup(message, author); + return; +} + void _notmuch_message_set_date (notmuch_message_t *message, const char *date) @@ -557,45 +595,6 @@ _notmuch_message_set_date (notmuch_message_t *message, Xapian::sortable_serialise (time_value)); } -static void -thread_id_generate (thread_id_t *thread_id) -{ - static int seeded = 0; - FILE *dev_random; - uint32_t value; - char *s; - int i; - - if (! seeded) { - dev_random = fopen ("/dev/random", "r"); - if (dev_random == NULL) { - srand (time (NULL)); - } else { - fread ((void *) &value, sizeof (value), 1, dev_random); - srand (value); - fclose (dev_random); - } - seeded = 1; - } - - s = thread_id->str; - for (i = 0; i < NOTMUCH_THREAD_ID_DIGITS; i += 8) { - value = rand (); - sprintf (s, "%08x", value); - s += 8; - } -} - -void -_notmuch_message_ensure_thread_id (notmuch_message_t *message) -{ - /* If not part of any existing thread, generate a new thread_id. */ - thread_id_t thread_id; - - thread_id_generate (&thread_id); - _notmuch_message_add_term (message, "thread", thread_id.str); -} - /* Synchronize changes made to message->doc out into the database. */ void _notmuch_message_sync (notmuch_message_t *message) @@ -628,7 +627,7 @@ _notmuch_message_close (notmuch_message_t *message) * names to prefix values. * * This change will not be reflected in the database until the next - * call to _notmuch_message_set_sync. */ + * call to _notmuch_message_sync. */ notmuch_private_status_t _notmuch_message_add_term (notmuch_message_t *message, const char *prefix_name, @@ -646,7 +645,7 @@ _notmuch_message_add_term (notmuch_message_t *message, if (strlen (term) > NOTMUCH_TERM_MAX) return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG; - message->doc.add_term (term); + message->doc.add_term (term, 0); talloc_free (term); @@ -685,7 +684,7 @@ _notmuch_message_gen_terms (notmuch_message_t *message, * names to prefix values. * * This change will not be reflected in the database until the next - * call to _notmuch_message_set_sync. */ + * call to _notmuch_message_sync. */ notmuch_private_status_t _notmuch_message_remove_term (notmuch_message_t *message, const char *prefix_name, @@ -785,8 +784,8 @@ notmuch_message_remove_all_tags (notmuch_message_t *message) return status; for (tags = notmuch_message_get_tags (message); - notmuch_tags_has_more (tags); - notmuch_tags_advance (tags)) + notmuch_tags_valid (tags); + notmuch_tags_move_to_next (tags)) { tag = notmuch_tags_get (tags);