/* This file is part of TON Blockchain Library. TON Blockchain Library is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version. TON Blockchain Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with TON Blockchain Library. If not, see . Copyright 2017-2019 Telegram Systems LLP */ #pragma once #include "td/utils/common.h" namespace td { enum class UnicodeSimpleCategory { Unknown, Letter, DecimalNumber, Number, Separator }; UnicodeSimpleCategory get_unicode_simple_category(uint32 code); /** * Prepares unicode character for search, leaving only digits and lowercased letters. * Return code of replacing character or 0 if the character should be skipped. */ uint32 prepare_search_character(uint32 code); /** * Converts unicode character to lower case. */ uint32 unicode_to_lower(uint32 code); /** * Removes diacritics from a unicode character. */ uint32 remove_diacritics(uint32 code); } // namespace td