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/*
* Copyright (C) 2012-2017 Robin Haberkorn
*
* 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#include "sciteco.h"
#include "rbtree.h"
#include "interface.h"
#include "string-utils.h"
namespace SciTECO {
template <StringCmpFunc StringCmp, StringNCmpFunc StringNCmp>
gchar *
RBTreeStringT<StringCmp, StringNCmp>::
auto_complete(const gchar *key, gchar completed, gsize restrict_len)
{
gsize key_len;
RBEntryString *first = NULL;
gsize prefix_len = 0;
gint prefixed_entries = 0;
gchar *insert = NULL;
if (!key)
key = "";
key_len = strlen(key);
for (RBEntryString *cur = nfind(key);
cur && !StringNCmp(cur->key, key, key_len);
cur = cur->next()) {
if (restrict_len && strlen(cur->key) != restrict_len)
continue;
if (!first)
first = cur;
gsize len = String::diff(first->key + key_len,
cur->key + key_len);
if (!prefix_len || len < prefix_len)
prefix_len = len;
prefixed_entries++;
}
if (prefix_len > 0)
insert = g_strndup(first->key + key_len, prefix_len);
if (!insert && prefixed_entries > 1) {
for (RBEntryString *cur = first;
cur && !StringNCmp(cur->key, key, key_len);
cur = cur->next()) {
if (restrict_len && strlen(cur->key) != restrict_len)
continue;
interface.popup_add(InterfaceCurrent::POPUP_PLAIN,
cur->key);
}
interface.popup_show();
} else if (prefixed_entries == 1) {
String::append(insert, completed);
}
return insert;
}
template class RBTreeStringT<strcmp, strncmp>;
template class RBTreeStringT<g_ascii_strcasecmp, g_ascii_strncasecmp>;
} /* namespace SciTECO */
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