| // Copyright (C) 2020-2025 Free Software Foundation, Inc. |
| |
| // This file is part of GCC. |
| |
| // GCC 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, or (at your option) any later |
| // version. |
| |
| // GCC 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 GCC; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #ifndef RUST_PUNYCODE_H |
| #define RUST_PUNYCODE_H |
| |
| #include "rust-unicode.h" |
| #include "optional.h" |
| |
| namespace Rust { |
| |
| /* Encode a string as punycode. Returns a string if encoding is successful. |
| * Returns nullopt otherwise. Note that a returned string contains only ASCII |
| * characters and does not start with `xn--`. */ |
| tl::optional<std::string> |
| encode_punycode (const Utf8String &src); |
| |
| } // namespace Rust |
| |
| #if CHECKING_P |
| |
| namespace selftest { |
| |
| void |
| rust_punycode_encode_test (); |
| |
| } // namespace selftest |
| |
| #endif // CHECKING_P |
| |
| #endif |
