#include <gmime/gmime.h>
-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_filename_list_t *filename_list;
+ notmuch_string_list_t *tag_list;
+ notmuch_string_list_t *filename_term_list;
+ notmuch_string_list_t *filename_list;
char *author;
notmuch_message_file_t *message_file;
notmuch_message_list_t *replies;
unsigned long flags;
Xapian::Document doc;
+ Xapian::termcount termpos;
};
#define ARRAY_SIZE(arr) (sizeof (arr) / sizeof (arr[0]))
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;
message->author = NULL;
talloc_set_destructor (message, _notmuch_message_destructor);
message->doc = doc;
+ message->termpos = 0;
return message;
}
{
notmuch_message_t *message;
Xapian::Document doc;
- Xapian::WritableDatabase *db;
unsigned int doc_id;
char *term;
if (notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY)
INTERNAL_ERROR ("Failure to ensure database is writable.");
- db = static_cast<Xapian::WritableDatabase *> (notmuch->xapian_db);
try {
doc.add_term (term, 0);
talloc_free (term);
return message;
}
-unsigned int
-_notmuch_message_get_doc_id (notmuch_message_t *message)
+static char *
+_notmuch_message_get_term (notmuch_message_t *message,
+ Xapian::TermIterator &i, Xapian::TermIterator &end,
+ const char *prefix)
{
- return message->doc_id;
-}
+ int prefix_len = strlen (prefix);
+ const char *term = NULL;
+ char *value;
-const char *
-notmuch_message_get_message_id (notmuch_message_t *message)
-{
- Xapian::TermIterator i;
+ i.skip_to (prefix);
- if (message->message_id)
- return message->message_id;
+ if (i != end)
+ term = (*i).c_str ();
- i = message->doc.termlist_begin ();
- i.skip_to (_find_prefix ("id"));
-
- if (i == message->doc.termlist_end ())
- INTERNAL_ERROR ("Message with document ID of %d has no message ID.\n",
- message->doc_id);
+ if (!term || strncmp (term, prefix, prefix_len))
+ return NULL;
- message->message_id = talloc_strdup (message, (*i).c_str () + 1);
+ value = talloc_strdup (message, term + prefix_len);
#if DEBUG_DATABASE_SANITY
i++;
- if (i != message->doc.termlist_end () &&
- strncmp ((*i).c_str (), _find_prefix ("id"),
- strlen (_find_prefix ("id"))) == 0)
- {
- INTERNAL_ERROR ("Mail (doc_id: %d) has duplicate message IDs",
- message->doc_id);
+ if (i != end && strncmp ((*i).c_str (), prefix, prefix_len) == 0) {
+ INTERNAL_ERROR ("Mail (doc_id: %d) has duplicate %s terms: %s and %s\n",
+ message->doc_id, prefix, value,
+ (*i).c_str () + prefix_len);
}
#endif
+ return value;
+}
+
+void
+_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");
+
+ /* We do this all in a single pass because Xapian decompresses the
+ * term list every time you iterate over it. Thus, while this is
+ * slightly more costly than looking up individual fields if only
+ * one field of the message object is actually used, it's a huge
+ * win as more fields are used. */
+
+ i = message->doc.termlist_begin ();
+ end = message->doc.termlist_end ();
+
+ /* Get thread */
+ if (!message->thread_id)
+ 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 (tag_prefix, id_prefix) < 0);
+ if (!message->message_id)
+ message->message_id =
+ _notmuch_message_get_term (message, i, end, id_prefix);
+
+ /* 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);
+ if (!message->filename_term_list && !message->filename_list)
+ message->filename_term_list =
+ _notmuch_database_get_terms_with_prefix (message, i, end,
+ filename_prefix);
+
+ /* Get reply to */
+ assert (strcmp (filename_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
+_notmuch_message_invalidate_metadata (notmuch_message_t *message,
+ const char *prefix_name)
+{
+ if (strcmp ("thread", prefix_name) == 0) {
+ talloc_free (message->thread_id);
+ 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);
+ message->filename_term_list = message->filename_list = NULL;
+ }
+
+ if (strcmp ("replyto", prefix_name) == 0) {
+ talloc_free (message->in_reply_to);
+ message->in_reply_to = NULL;
+ }
+}
+
+unsigned int
+_notmuch_message_get_doc_id (notmuch_message_t *message)
+{
+ return message->doc_id;
+}
+
+const char *
+notmuch_message_get_message_id (notmuch_message_t *message)
+{
+ if (!message->message_id)
+ _notmuch_message_ensure_metadata (message);
+ if (!message->message_id)
+ INTERNAL_ERROR ("Message with document ID of %u has no message ID.\n",
+ message->doc_id);
return message->message_id;
}
const char *
_notmuch_message_get_in_reply_to (notmuch_message_t *message)
{
- const char *prefix = _find_prefix ("replyto");
- int prefix_len = strlen (prefix);
- Xapian::TermIterator i;
- std::string in_reply_to;
-
- if (message->in_reply_to)
- return message->in_reply_to;
-
- i = message->doc.termlist_begin ();
- i.skip_to (prefix);
-
- if (i != message->doc.termlist_end ())
- in_reply_to = *i;
-
- /* It's perfectly valid for a message to have no In-Reply-To
- * header. For these cases, we return an empty string. */
- if (i == message->doc.termlist_end () ||
- strncmp (in_reply_to.c_str (), prefix, prefix_len))
- {
- message->in_reply_to = talloc_strdup (message, "");
- return message->in_reply_to;
- }
-
- message->in_reply_to = talloc_strdup (message,
- in_reply_to.c_str () + prefix_len);
-
-#if DEBUG_DATABASE_SANITY
- i++;
-
- in_reply_to = *i;
-
- if (i != message->doc.termlist_end () &&
- strncmp ((*i).c_str (), prefix, prefix_len) == 0)
- {
- INTERNAL_ERROR ("Message %s has duplicate In-Reply-To IDs: %s and %s\n",
- notmuch_message_get_message_id (message),
- message->in_reply_to,
- (*i).c_str () + prefix_len);
- }
-#endif
-
+ if (!message->in_reply_to)
+ _notmuch_message_ensure_metadata (message);
return message->in_reply_to;
}
const char *
notmuch_message_get_thread_id (notmuch_message_t *message)
{
- const char *prefix = _find_prefix ("thread");
- Xapian::TermIterator i;
- std::string id;
-
- /* This code is written with the assumption that "thread" has a
- * single-character prefix. */
- assert (strlen (prefix) == 1);
-
- if (message->thread_id)
- return message->thread_id;
-
- i = message->doc.termlist_begin ();
- i.skip_to (prefix);
-
- if (i != message->doc.termlist_end ())
- id = *i;
-
- if (i == message->doc.termlist_end () || id[0] != *prefix)
- INTERNAL_ERROR ("Message with document ID of %d has no thread ID.\n",
+ if (!message->thread_id)
+ _notmuch_message_ensure_metadata (message);
+ if (!message->thread_id)
+ INTERNAL_ERROR ("Message with document ID of %u has no thread ID.\n",
message->doc_id);
-
- message->thread_id = talloc_strdup (message, id.c_str () + 1);
-
-#if DEBUG_DATABASE_SANITY
- i++;
- id = *i;
-
- if (i != message->doc.termlist_end () && id[0] == *prefix)
- {
- INTERNAL_ERROR ("Message %s has duplicate thread IDs: %s and %s\n",
- notmuch_message_get_message_id (message),
- message->thread_id,
- id.c_str () + 1);
- }
-#endif
-
return message->thread_id;
}
_notmuch_message_add_filename (notmuch_message_t *message,
const char *filename)
{
+ const char *relative, *directory;
notmuch_status_t status;
void *local = talloc_new (message);
char *direntry;
- if (message->filename_list) {
- _notmuch_filename_list_destroy (message->filename_list);
- message->filename_list = NULL;
- }
-
if (filename == NULL)
INTERNAL_ERROR ("Message filename cannot be NULL.");
+ relative = _notmuch_database_relative_path (message->notmuch, filename);
+
+ status = _notmuch_database_split_path (local, relative, &directory, NULL);
+ if (status)
+ return status;
+
status = _notmuch_database_filename_to_direntry (local,
message->notmuch,
filename, &direntry);
if (status)
return status;
+ /* New file-direntry allows navigating to this message with
+ * 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);
+
talloc_free (local);
return NOTMUCH_STATUS_SUCCESS;
}
-/* Change a particular filename for 'message' from 'old_filename' to
- * 'new_filename'
+/* Remove a particular 'filename' from 'message'.
*
* This change will not be reflected in the database until the next
* call to _notmuch_message_sync.
- */
-static notmuch_status_t
-_notmuch_message_rename (notmuch_message_t *message,
- const char *old_filename,
- const char *new_filename)
+ *
+ * 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
+ * _notmuch_database_remove_message. */
+notmuch_status_t
+_notmuch_message_remove_filename (notmuch_message_t *message,
+ const char *filename)
{
+ const char *direntry_prefix = _find_prefix ("file-direntry");
+ int direntry_prefix_len = strlen (direntry_prefix);
+ 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;
-
- status = _notmuch_message_add_filename (message, new_filename);
- if (status)
- return status;
+ Xapian::TermIterator i, last;
status = _notmuch_database_filename_to_direntry (local, message->notmuch,
- old_filename, &direntry);
+ filename, &direntry);
if (status)
return status;
+ /* Unlink this file from its parent directory. */
private_status = _notmuch_message_remove_term (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. */
+
+ /* 1. removing all "folder:" terms */
+ while (1) {
+ i = message->doc.termlist_begin ();
+ i.skip_to (folder_prefix);
+
+ /* Terminate loop when no terms remain with desired prefix. */
+ if (i == message->doc.termlist_end () ||
+ strncmp ((*i).c_str (), folder_prefix, folder_prefix_len))
+ {
+ break;
+ }
+
+ try {
+ message->doc.remove_term ((*i));
+ } catch (const Xapian::InvalidArgumentError) {
+ /* Ignore failure to remove non-existent term. */
+ }
+ }
+
+ /* 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);
+
+ for (; i != message->doc.termlist_end (); i++) {
+ unsigned int directory_id;
+ const char *direntry, *directory;
+ char *colon;
+
+ /* Terminate loop at first term without desired prefix. */
+ 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;
+
+ directory_id = strtol (direntry, &colon, 10);
+
+ if (colon == NULL || *colon != ':')
+ INTERNAL_ERROR ("malformed direntry");
+
+ directory = _notmuch_database_get_directory_path (local,
+ message->notmuch,
+ directory_id);
+ if (strlen (directory))
+ _notmuch_message_gen_terms (message, "folder", directory);
+ }
talloc_free (local);
static void
_notmuch_message_ensure_filename_list (notmuch_message_t *message)
{
- const char *prefix = _find_prefix ("file-direntry");
- int prefix_len = strlen (prefix);
- Xapian::TermIterator i;
+ notmuch_string_node_t *node;
if (message->filename_list)
return;
- message->filename_list = _notmuch_filename_list_create (message);
+ if (!message->filename_term_list)
+ _notmuch_message_ensure_metadata (message);
- i = message->doc.termlist_begin ();
- i.skip_to (prefix);
+ message->filename_list = _notmuch_string_list_create (message);
+ node = message->filename_term_list->head;
- if (i == message->doc.termlist_end () ||
- strncmp ((*i).c_str (), prefix, prefix_len))
- {
+ if (!node) {
/* A message document created by an old version of notmuch
* (prior to rename support) will have the filename in the
* data of the document rather than as a file-direntry term.
if (data == NULL)
INTERNAL_ERROR ("message with no filename");
- _notmuch_filename_list_add_filename (message->filename_list, data);
+ _notmuch_string_list_append (message->filename_list, data);
return;
}
- for (; i != message->doc.termlist_end (); i++) {
+ for (; node; node = node->next) {
void *local = talloc_new (message);
const char *db_path, *directory, *basename, *filename;
char *colon, *direntry = NULL;
unsigned int directory_id;
- /* Terminate loop at first term without desired prefix. */
- if (strncmp ((*i).c_str (), prefix, prefix_len))
- break;
-
- direntry = talloc_strdup (local, (*i).c_str ());
-
- direntry += prefix_len;
+ direntry = node->string;
directory_id = strtol (direntry, &colon, 10);
filename = talloc_asprintf (message, "%s/%s",
db_path, basename);
- _notmuch_filename_list_add_filename (message->filename_list,
- filename);
+ _notmuch_string_list_append (message->filename_list, filename);
talloc_free (local);
}
+
+ talloc_free (message->filename_term_list);
+ message->filename_term_list = NULL;
}
const char *
return NULL;
if (message->filename_list->head == NULL ||
- message->filename_list->head->filename == NULL)
+ message->filename_list->head->string == NULL)
{
INTERNAL_ERROR ("message with no filename");
}
- return message->filename_list->head->filename;
+ return message->filename_list->head->string;
}
notmuch_filenames_t *
notmuch_tags_t *
notmuch_message_get_tags (notmuch_message_t *message)
{
- Xapian::TermIterator i, end;
- i = message->doc.termlist_begin();
- end = message->doc.termlist_end();
- return _notmuch_convert_tags(message, i, end);
+ 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. */
+ talloc_reference (message, message->tag_list);
+ return tags;
}
const char *
talloc_free (term);
+ _notmuch_message_invalidate_metadata (message, prefix_name);
+
return NOTMUCH_PRIVATE_STATUS_SUCCESS;
}
/* 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,
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->index_text (text, 1, prefix);
+ message->termpos = term_gen->get_termpos ();
}
term_gen->index_text (text);
talloc_free (term);
+ _notmuch_message_invalidate_metadata (message, prefix_name);
+
return NOTMUCH_PRIVATE_STATUS_SUCCESS;
}
if (err)
continue;
- new_status = _notmuch_message_rename (message,
- filename, filename_new);
+ new_status = _notmuch_message_remove_filename (message,
+ filename);
+ /* Hold on to only the first error. */
+ if (! status && new_status
+ && new_status != NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
+ status = new_status;
+ continue;
+ }
+
+ new_status = _notmuch_message_add_filename (message,
+ filename_new);
/* Hold on to only the first error. */
if (! status && new_status) {
status = new_status;
if (! message->frozen)
_notmuch_message_sync (message);
+ talloc_free (tags);
return NOTMUCH_STATUS_SUCCESS;
}
projects / notmuch / blobdiff