Fix tg_termpos1 for 64-bit termpos
[xapian.git] / xapian-applications / omega / utf8convert.h
blob8dd491fb8be0cd422edfaf002227403da5f88392
1 /** @file
2 * @brief convert a string to UTF-8 encoding.
3 */
4 /* Copyright (C) 2006,2021,2023 Olly Betts
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef OMEGA_INCLUDED_UTF8CONVERT_H
22 #define OMEGA_INCLUDED_UTF8CONVERT_H
24 #include <string>
25 #include <string_view>
27 // Internal helper.
28 bool convert_to_utf8_(std::string_view text, const std::string& charset,
29 std::string& output);
31 // Convert in-place (avoids copy if already UTF-8).
32 inline void convert_to_utf8(std::string& text, const std::string& charset)
34 (void)convert_to_utf8_(text, charset, text);
37 inline void convert_to_utf8(std::string_view text, const std::string& charset,
38 std::string& output)
40 if (!convert_to_utf8_(text, charset, output))
41 output = text;
44 #endif // OMEGA_INCLUDED_UTF8CONVERT_H