1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
34 static void completion_check_cache (GCompletion* cmp,
38 g_completion_new (GCompletionFunc func)
42 gcomp = g_new (GCompletion, 1);
52 g_completion_add_items (GCompletion* cmp,
57 g_return_if_fail (cmp != NULL);
58 g_return_if_fail (items != NULL);
60 /* optimize adding to cache? */
63 g_list_free (cmp->cache);
76 cmp->items = g_list_prepend (cmp->items, it->data);
82 g_completion_remove_items (GCompletion* cmp,
87 g_return_if_fail (cmp != NULL);
88 g_return_if_fail (items != NULL);
91 while (cmp->items && it)
93 cmp->items = g_list_remove (cmp->items, it->data);
98 while (cmp->cache && it)
100 cmp->cache = g_list_remove(cmp->cache, it->data);
106 g_completion_clear_items (GCompletion* cmp)
108 g_return_if_fail (cmp != NULL);
110 g_list_free (cmp->items);
112 g_list_free (cmp->cache);
114 g_free (cmp->prefix);
119 completion_check_cache (GCompletion* cmp,
122 register GList* list;
137 len = strlen(cmp->prefix);
139 s = cmp->func ? cmp->func (list->data) : (gchar*) list->data;
141 plen = strlen (postfix);
146 s = cmp->func ? cmp->func (list->data) : (gchar*) list->data;
148 for (i = 0; i < plen; ++i)
150 if (postfix[i] != s[i])
157 *new_prefix = g_new0 (gchar, len + plen + 1);
158 strncpy (*new_prefix, cmp->prefix, len);
159 strncpy (*new_prefix + len, postfix, plen);
163 g_completion_complete (GCompletion* cmp,
171 g_return_val_if_fail (cmp != NULL, NULL);
172 g_return_val_if_fail (prefix != NULL, NULL);
174 len = strlen (prefix);
175 if (cmp->prefix && cmp->cache)
177 plen = strlen (cmp->prefix);
178 if (plen <= len && !strncmp (prefix, cmp->prefix, plen))
185 cmp->func ? cmp->func (list->data) : (gchar*) list->data,
188 list = g_list_remove_link (cmp->cache, list);
189 if (list != cmp->cache)
202 g_list_free (cmp->cache);
205 while (*prefix && list)
207 if (!strncmp (prefix,
208 cmp->func ? cmp->func (list->data) : (gchar*) list->data,
210 cmp->cache = g_list_prepend (cmp->cache, list->data);
216 g_free (cmp->prefix);
220 cmp->prefix = g_strdup (prefix);
221 completion_check_cache (cmp, new_prefix);
223 return *prefix ? cmp->cache : cmp->items;
227 g_completion_free (GCompletion* cmp)
229 g_return_if_fail (cmp != NULL);
231 g_completion_clear_items (cmp);
235 #ifdef TEST_COMPLETION
252 g_warning ("Usage: %s filename prefix1 [prefix2 ...]\n", argv[0]);
256 file = fopen (argv[1], "r");
259 g_warning ("Cannot open %s\n", argv[1]);
263 cmp = g_completion_new (NULL);
264 list = g_list_alloc ();
265 while (fgets (buf, 1024, file))
267 list->data = g_strdup (buf);
268 g_completion_add_items (cmp, list);
272 for (i = 2; i < argc; ++i)
274 printf ("COMPLETING: %s\n", argv[i]);
275 result = g_completion_complete (cmp, argv[i], &longp);
276 g_list_foreach (result, (GFunc) printf, NULL);
277 printf ("LONG MATCH: %s\n", longp);
282 g_list_foreach (cmp->items, (GFunc) g_free, NULL);
283 g_completion_free (cmp);