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f3c1eebfaf
This replaces the guts of the filename list and tag list, making those interfaces simple iterators over the generic string list. The directory, message filename, and tags-related code now build generic string lists and then wraps them in specific iterators. The real wins come in later patches, when we use these for even more generic functionality. As a nice side-effect, this also eliminates the annoying dependency on GList in the tag list.
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* filenames.c - Iterator for a list of filenames
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*
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* Copyright © 2010 Intel Corporation
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/ .
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*
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* Author: Carl Worth <cworth@cworth.org>
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*/
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#include "notmuch-private.h"
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struct _notmuch_filenames {
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notmuch_string_node_t *iterator;
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};
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/* The notmuch_filenames_t iterates over a notmuch_string_list_t of
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* file names */
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notmuch_filenames_t *
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_notmuch_filenames_create (const void *ctx,
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notmuch_string_list_t *list)
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{
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notmuch_filenames_t *filenames;
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filenames = talloc (ctx, notmuch_filenames_t);
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if (unlikely (filenames == NULL))
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return NULL;
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filenames->iterator = list->head;
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(void) talloc_reference (filenames, list);
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return filenames;
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}
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notmuch_bool_t
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notmuch_filenames_valid (notmuch_filenames_t *filenames)
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{
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if (filenames == NULL)
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return FALSE;
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return (filenames->iterator != NULL);
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}
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const char *
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notmuch_filenames_get (notmuch_filenames_t *filenames)
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{
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if (filenames->iterator == NULL)
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return NULL;
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return filenames->iterator->string;
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}
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void
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notmuch_filenames_move_to_next (notmuch_filenames_t *filenames)
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{
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if (filenames->iterator == NULL)
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return;
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filenames->iterator = filenames->iterator->next;
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}
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void
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notmuch_filenames_destroy (notmuch_filenames_t *filenames)
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{
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talloc_free (filenames);
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}
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