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/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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static void completion_check_cache (GCompletion* cmp,
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g_completion_new (GCompletionFunc func)
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gcomp = g_new (GCompletion, 1);
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gcomp->strncmp_func = strncmp;
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g_completion_add_items (GCompletion* cmp,
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g_return_if_fail (cmp != NULL);
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/* optimize adding to cache? */
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g_list_free (cmp->cache);
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cmp->items = g_list_prepend (cmp->items, it->data);
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g_completion_remove_items (GCompletion* cmp,
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g_return_if_fail (cmp != NULL);
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while (cmp->items && it)
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cmp->items = g_list_remove (cmp->items, it->data);
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while (cmp->cache && it)
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cmp->cache = g_list_remove(cmp->cache, it->data);
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g_completion_clear_items (GCompletion* cmp)
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g_return_if_fail (cmp != NULL);
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g_list_free (cmp->items);
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g_list_free (cmp->cache);
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g_free (cmp->prefix);
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completion_check_cache (GCompletion* cmp,
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register GList* list;
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len = strlen(cmp->prefix);
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s = cmp->func ? cmp->func (list->data) : (gchar*) list->data;
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plen = strlen (postfix);
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s = cmp->func ? cmp->func (list->data) : (gchar*) list->data;
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for (i = 0; i < plen; ++i)
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if (postfix[i] != s[i])
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*new_prefix = g_new0 (gchar, len + plen + 1);
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strncpy (*new_prefix, cmp->prefix, len);
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strncpy (*new_prefix + len, postfix, plen);
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* g_completion_complete_utf8:
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* @cmp: the #GCompletion
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* @prefix: the prefix string, typically used by the user, which is compared
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* with each of the items
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* @new_prefix: if non-%NULL, returns the longest prefix which is common to all
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* items that matched @prefix, or %NULL if no items matched @prefix.
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* This string should be freed when no longer needed.
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* Attempts to complete the string @prefix using the #GCompletion target items.
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* In contrast to g_completion_complete(), this function returns the largest common
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* prefix that is a valid UTF-8 string, omitting a possible common partial
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* You should use this function instead of g_completion_complete() if your
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* items are UTF-8 strings.
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* Return value: the list of items whose strings begin with @prefix. This should
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g_completion_complete_utf8 (GCompletion *cmp,
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list = g_completion_complete (cmp, prefix, new_prefix);
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if (new_prefix && *new_prefix)
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p = *new_prefix + strlen (*new_prefix);
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q = g_utf8_find_prev_char (*new_prefix, p);
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switch (g_utf8_get_char_validated (q, p - q))
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g_completion_complete (GCompletion* cmp,
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gboolean done = FALSE;
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g_return_val_if_fail (cmp != NULL, NULL);
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g_return_val_if_fail (prefix != NULL, NULL);
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len = strlen (prefix);
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if (cmp->prefix && cmp->cache)
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plen = strlen (cmp->prefix);
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if (plen <= len && ! cmp->strncmp_func (prefix, cmp->prefix, plen))
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GList *next = list->next;
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if (cmp->strncmp_func (prefix,
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cmp->func ? cmp->func (list->data) : (gchar*) list->data,
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cmp->cache = g_list_delete_link (cmp->cache, list);
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g_list_free (cmp->cache);
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while (*prefix && list)
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if (!cmp->strncmp_func (prefix,
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cmp->func ? cmp->func (list->data) : (gchar*) list->data,
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cmp->cache = g_list_prepend (cmp->cache, list->data);
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g_free (cmp->prefix);
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cmp->prefix = g_strdup (prefix);
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completion_check_cache (cmp, new_prefix);
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return *prefix ? cmp->cache : cmp->items;
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g_completion_free (GCompletion* cmp)
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g_return_if_fail (cmp != NULL);
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g_completion_clear_items (cmp);
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g_completion_set_compare(GCompletion *cmp,
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GCompletionStrncmpFunc strncmp_func)
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cmp->strncmp_func = strncmp_func;
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#ifdef TEST_COMPLETION
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g_warning ("Usage: %s filename prefix1 [prefix2 ...]\n", argv[0]);
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file = fopen (argv[1], "r");
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g_warning ("Cannot open %s\n", argv[1]);
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cmp = g_completion_new (NULL);
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list = g_list_alloc ();
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while (fgets (buf, 1024, file))
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list->data = g_strdup (buf);
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g_completion_add_items (cmp, list);
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for (i = 2; i < argc; ++i)
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printf ("COMPLETING: %s\n", argv[i]);
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result = g_completion_complete (cmp, argv[i], &longp);
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g_list_foreach (result, (GFunc) printf, NULL);
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printf ("LONG MATCH: %s\n", longp);
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g_list_foreach (cmp->items, (GFunc) g_free, NULL);
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g_completion_free (cmp);
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#define __G_COMPLETION_C__
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#include "galiasdef.c"