* 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 <cworth@cworth.org>
*/
#include "database-private.h"
#include <gmime/gmime.h>
-#include <glib.h> /* GHashTable */
+#include <glib.h> /* GHashTable */
-struct visible _notmuch_thread {
+#ifdef DEBUG_THREADING
+#define THREAD_DEBUG(format, ...) fprintf (stderr, "DT: " format " (%s).\n", ##__VA_ARGS__, \
+ __location__)
+#else
+#define THREAD_DEBUG(format, ...) do {} while (0) /* ignored */
+#endif
+
+struct _notmuch_thread {
notmuch_database_t *notmuch;
char *thread_id;
char *subject;
char *authors;
GHashTable *tags;
+ /* All messages, oldest first. */
notmuch_message_list_t *message_list;
+ /* Top-level messages, oldest first. */
+ notmuch_message_list_t *toplevel_list;
+
GHashTable *message_hash;
int total_messages;
+ int total_files;
int matched_messages;
time_t oldest;
time_t newest;
g_hash_table_unref (thread->message_hash);
if (thread->authors_array) {
- g_ptr_array_free (thread->authors_array, TRUE);
+ g_ptr_array_free (thread->authors_array, true);
thread->authors_array = NULL;
}
if (thread->matched_authors_array) {
- g_ptr_array_free (thread->matched_authors_array, TRUE);
+ g_ptr_array_free (thread->matched_authors_array, true);
thread->matched_authors_array = NULL;
}
first_non_matched_author = 0;
}
- g_ptr_array_free (thread->authors_array, TRUE);
+ g_ptr_array_free (thread->authors_array, true);
thread->authors_array = NULL;
- g_ptr_array_free (thread->matched_authors_array, TRUE);
+ g_ptr_array_free (thread->matched_authors_array, true);
thread->matched_authors_array = NULL;
+
+ if (! thread->authors)
+ thread->authors = talloc_strdup (thread, "");
}
/* clean up the ugly "Lastname, Firstname" format that some mail systems
_thread_cleanup_author (notmuch_thread_t *thread,
const char *author, const char *from)
{
- char *clean_author,*test_author;
+ char *clean_author, *test_author;
const char *comma;
char *blank;
- int fname,lname;
+ int fname, lname;
if (author == NULL)
return NULL;
- clean_author = talloc_strdup(thread, author);
+ clean_author = talloc_strdup (thread, author);
if (clean_author == NULL)
return NULL;
/* check if there's a comma in the name and that there's a
* one character long ",\0").
* Otherwise just return the copy of the original author name that
* we just made*/
- comma = strchr(author,',');
- if (comma && strlen(comma) > 1) {
+ comma = strchr (author, ',');
+ if (comma && strlen (comma) > 1) {
/* let's assemble what we think is the correct name */
lname = comma - author;
- fname = strlen(author) - lname - 2;
- strncpy(clean_author, comma + 2, fname);
- *(clean_author+fname) = ' ';
- strncpy(clean_author + fname + 1, author, lname);
- *(clean_author+fname+1+lname) = '\0';
+
+ /* Skip all the spaces after the comma */
+ fname = strlen (author) - lname - 1;
+ comma += 1;
+ while (*comma == ' ') {
+ fname -= 1;
+ comma += 1;
+ }
+ strncpy (clean_author, comma, fname);
+
+ *(clean_author + fname) = ' ';
+ strncpy (clean_author + fname + 1, author, lname);
+ *(clean_author + fname + 1 + lname) = '\0';
/* make a temporary copy and see if it matches the email */
- test_author = talloc_strdup(thread,clean_author);
+ test_author = talloc_strdup (thread, clean_author);
- blank=strchr(test_author,' ');
+ blank = strchr (test_author, ' ');
while (blank != NULL) {
*blank = '.';
- blank=strchr(test_author,' ');
+ blank = strchr (test_author, ' ');
}
- if (strcasestr(from, test_author) == NULL)
+ if (strcasestr (from, test_author) == NULL)
/* we didn't identify this as part of the email address
- * so let's punt and return the original author */
+ * so let's punt and return the original author */
strcpy (clean_author, author);
}
return clean_author;
static void
_thread_add_message (notmuch_thread_t *thread,
notmuch_message_t *message,
- notmuch_string_list_t *exclude_terms)
+ notmuch_string_list_t *exclude_terms,
+ notmuch_exclude_t omit_exclude)
{
notmuch_tags_t *tags;
const char *tag;
InternetAddress *address;
const char *from, *author;
char *clean_author;
+ bool message_excluded = false;
+
+ if (omit_exclude != NOTMUCH_EXCLUDE_FALSE) {
+ for (tags = notmuch_message_get_tags (message);
+ notmuch_tags_valid (tags);
+ notmuch_tags_move_to_next (tags)) {
+ tag = notmuch_tags_get (tags);
+ /* Is message excluded? */
+ for (notmuch_string_node_t *term = exclude_terms->head;
+ term != NULL;
+ term = term->next) {
+ /* Check for an empty string, and then ignore initial 'K'. */
+ if (*(term->string) && strcmp (tag, (term->string + 1)) == 0) {
+ message_excluded = true;
+ break;
+ }
+ }
+ }
+ }
+
+ if (message_excluded && omit_exclude == NOTMUCH_EXCLUDE_ALL)
+ return;
_notmuch_message_list_add_message (thread->message_list,
talloc_steal (thread, message));
thread->total_messages++;
+ thread->total_files += notmuch_message_count_files (message);
g_hash_table_insert (thread->message_hash,
xstrdup (notmuch_message_get_message_id (message)),
from = notmuch_message_get_header (message, "from");
if (from)
- list = internet_address_list_parse_string (from);
+ list = internet_address_list_parse (NULL, from);
if (list) {
address = internet_address_list_get_address (list, 0);
if (address) {
author = internet_address_get_name (address);
- if (author == NULL) {
+ /* We treat quoted empty names as if they were empty. */
+ if (author == NULL || author[0] == '\0') {
InternetAddressMailbox *mailbox;
mailbox = INTERNET_ADDRESS_MAILBOX (address);
author = internet_address_mailbox_get_addr (mailbox);
}
clean_author = _thread_cleanup_author (thread, author, from);
_thread_add_author (thread, clean_author);
- notmuch_message_set_author (message, clean_author);
+ _notmuch_message_set_author (message, clean_author);
}
g_object_unref (G_OBJECT (list));
}
for (tags = notmuch_message_get_tags (message);
notmuch_tags_valid (tags);
- notmuch_tags_move_to_next (tags))
- {
+ notmuch_tags_move_to_next (tags)) {
tag = notmuch_tags_get (tags);
- /* Mark excluded messages. */
- for (notmuch_string_node_t *term = exclude_terms->head; term;
- term = term->next) {
- /* We ignore initial 'K'. */
- if (strcmp(tag, (term->string + 1)) == 0) {
- notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED, TRUE);
- break;
- }
- }
g_hash_table_insert (thread->tags, xstrdup (tag), NULL);
}
+
+ /* Mark excluded messages. */
+ if (message_excluded)
+ notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED, true);
}
static void
cleaned_subject = talloc_strndup (thread,
subject + 4,
- strlen(subject) - 4);
+ strlen (subject) - 4);
} else {
cleaned_subject = talloc_strdup (thread, subject);
}
- if (thread->subject)
- talloc_free (thread->subject);
+ if (! EMPTY_STRING (cleaned_subject)) {
+ if (thread->subject)
+ talloc_free (thread->subject);
- thread->subject = talloc_strdup (thread, cleaned_subject);
+ thread->subject = talloc_strdup (thread, cleaned_subject);
+ }
}
/* Add a message to this thread which is known to match the original
* search specification. The 'sort' parameter controls whether the
* oldest or newest matching subject is applied to the thread as a
- * whole. */
-static void
+ * whole. Returns 0 on success.
+ */
+static int
_thread_add_matched_message (notmuch_thread_t *thread,
notmuch_message_t *message,
notmuch_sort_t sort)
{
time_t date;
notmuch_message_t *hashed_message;
+ notmuch_bool_t is_set;
date = notmuch_message_get_date (message);
if (date > thread->newest || ! thread->matched_messages) {
thread->newest = date;
- if (sort != NOTMUCH_SORT_OLDEST_FIRST)
+ const char *cur_subject = notmuch_thread_get_subject (thread);
+ if (sort != NOTMUCH_SORT_OLDEST_FIRST || EMPTY_STRING (cur_subject))
_thread_set_subject_from_message (thread, message);
}
- if (!notmuch_message_get_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED))
+ if (notmuch_message_get_flag_st (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED, &is_set))
+ return -1;
+ if (! is_set)
thread->matched_messages++;
if (g_hash_table_lookup_extended (thread->message_hash,
- notmuch_message_get_message_id (message), NULL,
- (void **) &hashed_message)) {
+ notmuch_message_get_message_id (message), NULL,
+ (void **) &hashed_message)) {
notmuch_message_set_flag (hashed_message,
NOTMUCH_MESSAGE_FLAG_MATCH, 1);
}
- _thread_add_matched_author (thread, notmuch_message_get_author (hashed_message));
+ _thread_add_matched_author (thread, _notmuch_message_get_author (hashed_message));
+ return 0;
}
-static void
-_resolve_thread_relationships (unused (notmuch_thread_t *thread))
+static bool
+_parent_via_in_reply_to (notmuch_thread_t *thread, notmuch_message_t *message)
{
- notmuch_message_node_t **prev, *node;
- notmuch_message_t *message, *parent;
+ notmuch_message_t *parent;
const char *in_reply_to;
- prev = &thread->message_list->head;
- while ((node = *prev)) {
+ in_reply_to = _notmuch_message_get_in_reply_to (message);
+ THREAD_DEBUG ("checking message = %s in_reply_to=%s",
+ notmuch_message_get_message_id (message), in_reply_to);
+
+ if (in_reply_to && (! EMPTY_STRING (in_reply_to)) &&
+ g_hash_table_lookup_extended (thread->message_hash,
+ in_reply_to, NULL,
+ (void **) &parent)) {
+ _notmuch_message_add_reply (parent, message);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+static void
+_parent_or_toplevel (notmuch_thread_t *thread, notmuch_message_t *message)
+{
+ size_t max_depth = 0;
+ notmuch_message_t *new_parent;
+ notmuch_message_t *parent = NULL;
+ const notmuch_string_list_t *references =
+ _notmuch_message_get_references (message);
+
+ THREAD_DEBUG ("trying to reparent via references: %s",
+ notmuch_message_get_message_id (message));
+
+ for (notmuch_string_node_t *ref_node = references->head;
+ ref_node; ref_node = ref_node->next) {
+ THREAD_DEBUG ("checking reference=%s", ref_node->string);
+ if ((g_hash_table_lookup_extended (thread->message_hash,
+ ref_node->string, NULL,
+ (void **) &new_parent))) {
+ size_t new_depth = _notmuch_message_get_thread_depth (new_parent);
+ THREAD_DEBUG ("got depth %lu", new_depth);
+ if (new_depth > max_depth || ! parent) {
+ THREAD_DEBUG ("adding at depth %lu parent=%s", new_depth, ref_node->string);
+ max_depth = new_depth;
+ parent = new_parent;
+ }
+ }
+ }
+ if (parent) {
+ THREAD_DEBUG ("adding reply %s to parent=%s",
+ notmuch_message_get_message_id (message),
+ notmuch_message_get_message_id (parent));
+ _notmuch_message_add_reply (parent, message);
+ } else {
+ THREAD_DEBUG ("adding as toplevel %s",
+ notmuch_message_get_message_id (message));
+ _notmuch_message_list_add_message (thread->toplevel_list, message);
+ }
+}
+
+static void
+_resolve_thread_relationships (notmuch_thread_t *thread)
+{
+ notmuch_message_node_t *node, *first_node;
+ notmuch_message_t *message;
+ void *local;
+ notmuch_message_list_t *maybe_toplevel_list;
+
+ first_node = thread->message_list->head;
+ if (! first_node)
+ return;
+
+ local = talloc_new (thread);
+ maybe_toplevel_list = _notmuch_message_list_create (local);
+
+ for (node = first_node->next; node; node = node->next) {
message = node->message;
- in_reply_to = _notmuch_message_get_in_reply_to (message);
- if (in_reply_to && strlen (in_reply_to) &&
- g_hash_table_lookup_extended (thread->message_hash,
- in_reply_to, NULL,
- (void **) &parent))
- {
- *prev = node->next;
- if (thread->message_list->tail == &node->next)
- thread->message_list->tail = prev;
- node->next = NULL;
- _notmuch_message_add_reply (parent, node);
- } else {
- prev = &((*prev)->next);
+ if (! _parent_via_in_reply_to (thread, message))
+ _notmuch_message_list_add_message (maybe_toplevel_list, message);
+ }
+
+ /*
+ * if we reach the end of the list without finding a top-level
+ * message, that means the thread is a cycle (or set of cycles)
+ * and any message can be considered top-level. Choose the oldest
+ * message, which happens to be first in our list.
+ */
+ if (first_node) {
+ message = first_node->message;
+ THREAD_DEBUG ("checking first message %s",
+ notmuch_message_get_message_id (message));
+
+ if (_notmuch_message_list_empty (maybe_toplevel_list) ||
+ ! _parent_via_in_reply_to (thread, message)) {
+
+ THREAD_DEBUG ("adding first message as toplevel = %s",
+ notmuch_message_get_message_id (message));
+ _notmuch_message_list_add_message (maybe_toplevel_list, message);
}
}
- /* XXX: After scanning through the entire list looking for parents
- * via "In-Reply-To", we should do a second pass that looks at the
- * list of messages IDs in the "References" header instead. (And
- * for this the parent would be the "deepest" message of all the
- * messages found in the "References" list.)
- *
- * Doing this will allow messages and sub-threads to be positioned
- * correctly in the thread even when an intermediate message is
- * missing from the thread.
+ for (notmuch_messages_t *messages = _notmuch_messages_create (maybe_toplevel_list);
+ notmuch_messages_valid (messages);
+ notmuch_messages_move_to_next (messages)) {
+ notmuch_message_t *message = notmuch_messages_get (messages);
+ _notmuch_message_label_depths (message, 0);
+ }
+
+ for (notmuch_messages_t *roots = _notmuch_messages_create (maybe_toplevel_list);
+ notmuch_messages_valid (roots);
+ notmuch_messages_move_to_next (roots)) {
+ notmuch_message_t *message = notmuch_messages_get (roots);
+ if (_notmuch_messages_has_next (roots) || ! _notmuch_message_list_empty (
+ thread->toplevel_list))
+ _parent_or_toplevel (thread, message);
+ else
+ _notmuch_message_list_add_message (thread->toplevel_list, message);
+ }
+
+ /* XXX this could be made conditional on messages being inserted
+ * (out of order) in later passes
*/
+ thread->toplevel_list = _notmuch_message_sort_subtrees (thread, thread->toplevel_list);
+
+ talloc_free (local);
}
/* Create a new notmuch_thread_t object by finding the thread
unsigned int seed_doc_id,
notmuch_doc_id_set_t *match_set,
notmuch_string_list_t *exclude_terms,
+ notmuch_exclude_t omit_excluded,
notmuch_sort_t sort)
{
- notmuch_thread_t *thread;
+ void *local = talloc_new (ctx);
+ notmuch_thread_t *thread = NULL;
notmuch_message_t *seed_message;
const char *thread_id;
char *thread_id_query_string;
notmuch_messages_t *messages;
notmuch_message_t *message;
+ notmuch_status_t status;
- seed_message = _notmuch_message_create (ctx, notmuch, seed_doc_id, NULL);
+ seed_message = _notmuch_message_create (local, notmuch, seed_doc_id, NULL);
if (! seed_message)
INTERNAL_ERROR ("Thread seed message %u does not exist", seed_doc_id);
thread_id = notmuch_message_get_thread_id (seed_message);
- thread_id_query_string = talloc_asprintf (ctx, "thread:%s", thread_id);
+ thread_id_query_string = talloc_asprintf (local, "thread:%s", thread_id);
if (unlikely (thread_id_query_string == NULL))
- return NULL;
+ goto DONE;
- thread_id_query = notmuch_query_create (notmuch, thread_id_query_string);
+ thread_id_query = talloc_steal (
+ local, notmuch_query_create (notmuch, thread_id_query_string));
if (unlikely (thread_id_query == NULL))
- return NULL;
-
- talloc_free (thread_id_query_string);
+ goto DONE;
- thread = talloc (ctx, notmuch_thread_t);
+ thread = talloc (local, notmuch_thread_t);
if (unlikely (thread == NULL))
- return NULL;
+ goto DONE;
talloc_set_destructor (thread, _notmuch_thread_destructor);
free, NULL);
thread->message_list = _notmuch_message_list_create (thread);
- if (unlikely (thread->message_list == NULL))
- return NULL;
+ thread->toplevel_list = _notmuch_message_list_create (thread);
+ if (unlikely (thread->message_list == NULL ||
+ thread->toplevel_list == NULL)) {
+ thread = NULL;
+ goto DONE;
+ }
thread->message_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
free, NULL);
thread->total_messages = 0;
+ thread->total_files = 0;
thread->matched_messages = 0;
thread->oldest = 0;
thread->newest = 0;
* oldest or newest subject is desired. */
notmuch_query_set_sort (thread_id_query, NOTMUCH_SORT_OLDEST_FIRST);
- for (messages = notmuch_query_search_messages (thread_id_query);
+ status = notmuch_query_search_messages (thread_id_query, &messages);
+ if (status)
+ goto DONE;
+
+ for (;
notmuch_messages_valid (messages);
- notmuch_messages_move_to_next (messages))
- {
+ notmuch_messages_move_to_next (messages)) {
unsigned int doc_id;
message = notmuch_messages_get (messages);
if (doc_id == seed_doc_id)
message = seed_message;
- _thread_add_message (thread, message, exclude_terms);
+ _thread_add_message (thread, message, exclude_terms, omit_excluded);
if ( _notmuch_doc_id_set_contains (match_set, doc_id)) {
_notmuch_doc_id_set_remove (match_set, doc_id);
- _thread_add_matched_message (thread, message, sort);
+ if (_thread_add_matched_message (thread, message, sort)) {
+ thread = NULL;
+ goto DONE;
+ }
}
_notmuch_message_close (message);
}
- notmuch_query_destroy (thread_id_query);
-
_resolve_thread_authors_string (thread);
_resolve_thread_relationships (thread);
+ /* Commit to returning thread. */
+ (void) talloc_steal (ctx, thread);
+
+ DONE:
+ talloc_free (local);
return thread;
}
notmuch_messages_t *
notmuch_thread_get_toplevel_messages (notmuch_thread_t *thread)
+{
+ return _notmuch_messages_create (thread->toplevel_list);
+}
+
+notmuch_messages_t *
+notmuch_thread_get_messages (notmuch_thread_t *thread)
{
return _notmuch_messages_create (thread->message_list);
}
return thread->total_messages;
}
+int
+notmuch_thread_get_total_files (notmuch_thread_t *thread)
+{
+ return thread->total_files;
+}
+
int
notmuch_thread_get_matched_messages (notmuch_thread_t *thread)
{
projects / notmuch / blobdiff