#include "notmuch-private.h"
#include "database-private.h"
-#include <xapian.h>
-
-struct _notmuch_filenames {
- Xapian::TermIterator iterator;
- Xapian::TermIterator end;
- int prefix_len;
- char *filename;
-};
-
-/* We end up having to call the destructors 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
- * slightly less simple to use, (we wouldn't need
- * talloc_set_destructor at all otherwise).
- */
-static int
-_notmuch_filenames_destructor (notmuch_filenames_t *filenames)
-{
- filenames->iterator.~TermIterator ();
- filenames->end.~TermIterator ();
-
- return 0;
-}
-
/* Create an iterator to iterate over the basenames of files (or
* directories) that all share a common parent directory.
- *
- * The code here is general enough to be reused for any case of
- * iterating over the non-prefixed portion of terms sharing a common
- * prefix.
*/
static notmuch_filenames_t *
-_notmuch_filenames_create (void *ctx,
- notmuch_database_t *notmuch,
- const char *prefix)
+_create_filenames_for_terms_with_prefix (void *ctx,
+ notmuch_database_t *notmuch,
+ const char *prefix)
{
- notmuch_filenames_t *filenames;
-
- filenames = talloc (ctx, notmuch_filenames_t);
- if (unlikely (filenames == NULL))
- return NULL;
-
- new (&filenames->iterator) Xapian::TermIterator ();
- new (&filenames->end) Xapian::TermIterator ();
-
- talloc_set_destructor (filenames, _notmuch_filenames_destructor);
-
- filenames->iterator = notmuch->xapian_db->allterms_begin (prefix);
- filenames->end = notmuch->xapian_db->allterms_end (prefix);
-
- filenames->prefix_len = strlen (prefix);
-
- filenames->filename = NULL;
-
- return filenames;
-}
-
-notmuch_bool_t
-notmuch_filenames_valid (notmuch_filenames_t *filenames)
-{
- if (filenames == NULL)
+ notmuch_string_list_t *filename_list;
+ Xapian::TermIterator i, end;
+
+ i = notmuch->xapian_db->allterms_begin();
+ end = notmuch->xapian_db->allterms_end();
+ filename_list = _notmuch_database_get_terms_with_prefix (ctx, i, end,
+ prefix);
+ if (unlikely (filename_list == NULL))
return NULL;
- return (filenames->iterator != filenames->end);
-}
-
-const char *
-notmuch_filenames_get (notmuch_filenames_t *filenames)
-{
- if (filenames == NULL || filenames->iterator == filenames->end)
- return NULL;
-
- if (filenames->filename == NULL) {
- std::string term = *filenames->iterator;
-
- filenames->filename = talloc_strdup (filenames,
- term.c_str () +
- filenames->prefix_len);
- }
-
- return filenames->filename;
-}
-
-void
-notmuch_filenames_move_to_next (notmuch_filenames_t *filenames)
-{
- if (filenames == NULL)
- return;
-
- if (filenames->filename) {
- talloc_free (filenames->filename);
- filenames->filename = NULL;
- }
-
- if (filenames->iterator != filenames->end)
- filenames->iterator++;
-}
-
-void
-notmuch_filenames_destroy (notmuch_filenames_t *filenames)
-{
- if (filenames == NULL)
- return;
-
- talloc_free (filenames);
+ return _notmuch_filenames_create (ctx, filename_list);
}
struct _notmuch_directory {
return NOTMUCH_PRIVATE_STATUS_SUCCESS;
}
+/* Find or create a directory document.
+ *
+ * 'path' should be a path relative to the path of 'database', or else
+ * should be an absolute path with initial components that match the
+ * path of 'database'.
+ *
+ * If (flags & NOTMUCH_FIND_CREATE), then the directory document will
+ * be created if it does not exist. Otherwise, if the directory
+ * document does not exist, *status_ret is set to
+ * NOTMUCH_STATUS_SUCCESS and this returns NULL.
+ */
notmuch_directory_t *
_notmuch_directory_create (notmuch_database_t *notmuch,
const char *path,
+ notmuch_find_flags_t flags,
notmuch_status_t *status_ret)
{
Xapian::WritableDatabase *db;
notmuch_directory_t *directory;
notmuch_private_status_t private_status;
const char *db_path;
+ notmuch_bool_t create = (flags & NOTMUCH_FIND_CREATE);
*status_ret = NOTMUCH_STATUS_SUCCESS;
path = _notmuch_database_relative_path (notmuch, path);
- if (notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY)
+ if (create && notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY)
INTERNAL_ERROR ("Failure to ensure database is writable");
- db = static_cast <Xapian::WritableDatabase *> (notmuch->xapian_db);
-
directory = talloc (notmuch, notmuch_directory_t);
- if (unlikely (directory == NULL))
+ if (unlikely (directory == NULL)) {
+ *status_ret = NOTMUCH_STATUS_OUT_OF_MEMORY;
return NULL;
+ }
directory->notmuch = notmuch;
directory->document_id = directory->doc.get_docid ();
if (private_status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND) {
+ if (!create) {
+ notmuch_directory_destroy (directory);
+ directory = NULL;
+ *status_ret = NOTMUCH_STATUS_SUCCESS;
+ goto DONE;
+ }
+
void *local = talloc_new (directory);
const char *parent, *basename;
Xapian::docid parent_id;
_notmuch_database_split_path (local, path, &parent, &basename);
- _notmuch_database_find_directory_id (notmuch, parent, &parent_id);
+ *status_ret = _notmuch_database_find_directory_id (
+ notmuch, parent, NOTMUCH_FIND_CREATE, &parent_id);
+ if (*status_ret) {
+ notmuch_directory_destroy (directory);
+ directory = NULL;
+ goto DONE;
+ }
if (basename) {
term = talloc_asprintf (local, "%s%u:%s",
directory->doc.add_value (NOTMUCH_VALUE_TIMESTAMP,
Xapian::sortable_serialise (0));
+ db = static_cast <Xapian::WritableDatabase *> (notmuch->xapian_db);
+
directory->document_id = _notmuch_database_generate_doc_id (notmuch);
db->replace_document (directory->document_id, directory->doc);
talloc_free (local);
error.get_msg().c_str());
notmuch->exception_reported = TRUE;
notmuch_directory_destroy (directory);
+ directory = NULL;
*status_ret = NOTMUCH_STATUS_XAPIAN_EXCEPTION;
- return NULL;
}
+ DONE:
if (db_path != path)
free ((char *) db_path);
_find_prefix ("file-direntry"),
directory->document_id);
- child_files = _notmuch_filenames_create (directory,
- directory->notmuch, term);
+ child_files = _create_filenames_for_terms_with_prefix (directory,
+ directory->notmuch,
+ term);
talloc_free (term);
_find_prefix ("directory-direntry"),
directory->document_id);
- child_directories = _notmuch_filenames_create (directory,
- directory->notmuch, term);
+ child_directories = _create_filenames_for_terms_with_prefix (directory,
+ directory->notmuch, term);
talloc_free (term);
projects / notmuch / blobdiff