* Author: Carl Worth <cworth@cworth.org>
*/
-#include "notmuch-private-cxx.h"
+#include "notmuch-private.h"
#include "database-private.h"
#include <xapian.h>
notmuch_tags_t *
notmuch_message_get_tags (notmuch_message_t *message)
{
- return _notmuch_tags_create_terms (message, message->doc, "tag");
+ const char *prefix = _find_prefix ("tag");
+ Xapian::TermIterator i, end;
+ notmuch_tags_t *tags;
+ std::string tag;
+
+ /* Currently this iteration is written with the assumption that
+ * "tag" has a single-character prefix. */
+ assert (strlen (prefix) == 1);
+
+ tags = _notmuch_tags_create (message);
+ if (unlikely (tags == NULL))
+ return NULL;
+
+ i = message->doc.termlist_begin ();
+ end = message->doc.termlist_end ();
+
+ i.skip_to (prefix);
+
+ while (1) {
+ tag = *i;
+
+ if (tag.empty () || tag[0] != *prefix)
+ break;
+
+ _notmuch_tags_add_tag (tags, tag.c_str () + 1);
+
+ i++;
+ }
+
+ _notmuch_tags_sort (tags);
+
+ _notmuch_tags_reset (tags);
+
+ return tags;
}
void
+++ /dev/null
-/* notmuch-private-cxx.h - Internal, C++ interfaces for notmuch.
- *
- * Copyright © 2009 Carl Worth
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * 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/ .
- *
- * Author: Carl Worth <cworth@cworth.org>
- */
-
-#ifndef NOTMUCH_PRIVATE_CXX_H
-#define NOTMUCH_PRIVATE_CXX_H
-
-/* It's a bit annoying to have a separate C++ private header, but I
- * don't yet have C wrappers for types like Xapian::Document and
- * Xapian::PostingIterator. Maybe I'll write those to be able to fold
- * this stuff back into notmuch-private.h */
-
-#include "notmuch-private.h"
-
-#include <xapian.h>
-
-/***********/
-/* tags.cc */
-/***********/
-
-notmuch_tags_t *
-_notmuch_tags_create_terms (void *ctx,
- Xapian::Document doc,
- const char *prefix_name);
-
-#endif
char *
notmuch_sha1_of_file (const char *filename);
+/* tags.c */
+
+notmuch_tags_t *
+_notmuch_tags_create (void *ctx);
+
+void
+_notmuch_tags_add_tag (notmuch_tags_t *tags, const char *tag);
+
+void
+_notmuch_tags_sort (notmuch_tags_t *tags);
+
+void
+_notmuch_tags_reset (notmuch_tags_t *tags);
+
NOTMUCH_END_DECLS
#endif
strcmp (argv[1], "--help") == 0)
{
fprintf (stderr, "The notmuch mail system.\n\n");
+ usage ();
+ return 0;
} else {
fprintf (stderr, "Error: Unknown command '%s'\n\n", argv[1]);
+ usage ();
+ return 1;
}
- usage ();
- exit (1);
-
- return 0;
}
--- /dev/null
+/* tags.c - Iterator for tags returned from message or thread
+ *
+ * Copyright © 2009 Carl Worth
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * 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/ .
+ *
+ * Author: Carl Worth <cworth@cworth.org>
+ */
+
+#include "notmuch-private.h"
+
+#include <glib.h> /* GList */
+
+struct _notmuch_tags {
+ GList *tags;
+ GList *iterator;
+};
+
+/* XXX: Should write some talloc-friendly list to avoid the need for
+ * this. */
+static int
+_notmuch_tags_destructor (notmuch_tags_t *tags)
+{
+ g_list_free (tags->tags);
+
+ return 0;
+}
+
+/* Create a new notmuch_tags_t object, with 'ctx' as its talloc owner.
+ *
+ * This function can return NULL in case of out-of-memory.
+ */
+notmuch_tags_t *
+_notmuch_tags_create (void *ctx)
+{
+ notmuch_tags_t *tags;
+
+ tags = talloc (ctx, notmuch_tags_t);
+ if (unlikely (tags == NULL))
+ return NULL;
+
+ talloc_set_destructor (tags, _notmuch_tags_destructor);
+
+ tags->tags = NULL;
+ tags->iterator = NULL;
+
+ return tags;
+}
+
+void
+_notmuch_tags_add_tag (notmuch_tags_t *tags, const char *tag)
+{
+ tags->tags = g_list_prepend (tags->tags, talloc_strdup (tags, tag));
+}
+
+void
+_notmuch_tags_sort (notmuch_tags_t *tags)
+{
+ tags->tags = g_list_sort (tags->tags, (GCompareFunc) strcmp);
+}
+
+void
+_notmuch_tags_reset (notmuch_tags_t *tags)
+{
+ tags->iterator = tags->tags;
+}
+
+notmuch_bool_t
+notmuch_tags_has_more (notmuch_tags_t *tags)
+{
+ return tags->iterator != NULL;
+}
+
+const char *
+notmuch_tags_get (notmuch_tags_t *tags)
+{
+ if (tags->iterator)
+ return (char *) tags->iterator->data;
+ else
+ return NULL;
+}
+
+void
+notmuch_tags_advance (notmuch_tags_t *tags)
+{
+ tags->iterator = tags->iterator->next;
+}
+
+void
+notmuch_tags_destroy (notmuch_tags_t *tags)
+{
+ talloc_free (tags);
+}
+++ /dev/null
-/* tags.cc - Iterator for tags returned from message or thread
- *
- * Copyright © 2009 Carl Worth
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * 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/ .
- *
- * Author: Carl Worth <cworth@cworth.org>
- */
-
-#include "notmuch-private-cxx.h"
-#include "database-private.h"
-
-#include <xapian.h>
-
-typedef struct _notmuch_terms {
- char prefix_char;
- Xapian::TermIterator iterator;
- Xapian::TermIterator iterator_end;
-} notmuch_terms_t;
-
-struct _notmuch_tags {
- notmuch_terms_t terms;
-};
-
-notmuch_terms_t *
-_notmuch_terms_create (void *ctx,
- Xapian::Document doc,
- const char *prefix_name);
-
-/* The assertion is to ensure that 'type' is a derivative of
- * notmuch_terms_t in that it contains a notmuch_terms_t as its first
- * member. We do this by name of 'terms' as opposed to type, because
- * that's as clever as I've been so far. */
-#define _notmuch_terms_create_type(ctx, doc, prefix_name, type) \
- (COMPILE_TIME_ASSERT(offsetof(type, terms) == 0), \
- (type *) _notmuch_terms_create (ctx, doc, prefix_name))
-
-/* 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_terms_destructor (notmuch_terms_t *terms)
-{
- terms->iterator.~TermIterator ();
- terms->iterator_end.~TermIterator ();
-
- return 0;
-}
-
-notmuch_terms_t *
-_notmuch_terms_create (void *ctx,
- Xapian::Document doc,
- const char *prefix_name)
-{
- notmuch_terms_t *terms;
- const char *prefix = _find_prefix (prefix_name);
-
- /* Currently, notmuch_terms_t is written with the assumption that
- * any prefix its derivatives use will be only a single
- * character. */
- assert (strlen (prefix) == 1);
-
- terms = talloc (ctx, notmuch_terms_t);
- if (unlikely (terms == NULL))
- return NULL;
-
- terms->prefix_char = *prefix;
- new (&terms->iterator) Xapian::TermIterator;
- new (&terms->iterator_end) Xapian::TermIterator;
-
- talloc_set_destructor (terms, _notmuch_terms_destructor);
-
- terms->iterator = doc.termlist_begin ();
- terms->iterator.skip_to (prefix);
- terms->iterator_end = doc.termlist_end ();
-
- return terms;
-}
-
-static notmuch_bool_t
-_notmuch_terms_has_more (notmuch_terms_t *terms)
-{
- std::string s;
-
- if (terms->iterator == terms->iterator_end)
- return FALSE;
-
- s = *terms->iterator;
- if (! s.empty () && s[0] == terms->prefix_char)
- return TRUE;
- else
- return FALSE;
-}
-
-static const char *
-_notmuch_terms_get (notmuch_terms_t *terms)
-{
- return talloc_strdup (terms, (*terms->iterator).c_str () + 1);
-}
-
-static void
-_notmuch_terms_advance (notmuch_terms_t *terms)
-{
- terms->iterator++;
-}
-
-static void
-_notmuch_terms_destroy (notmuch_terms_t *terms)
-{
- talloc_free (terms);
-}
-
-notmuch_tags_t *
-_notmuch_tags_create_terms (void *ctx,
- Xapian::Document doc,
- const char *prefix_name)
-{
- return _notmuch_terms_create_type (ctx, doc, prefix_name, notmuch_tags_t);
-}
-
-notmuch_bool_t
-notmuch_tags_has_more (notmuch_tags_t *tags)
-{
- return _notmuch_terms_has_more (&tags->terms);
-}
-
-const char *
-notmuch_tags_get (notmuch_tags_t *tags)
-{
- return _notmuch_terms_get (&tags->terms);
-}
-
-void
-notmuch_tags_advance (notmuch_tags_t *tags)
-{
- return _notmuch_terms_advance (&tags->terms);
-}
-
-void
-notmuch_tags_destroy (notmuch_tags_t *tags)
-{
- return _notmuch_terms_destroy (&tags->terms);
-}
projects / notmuch.git / commitdiff