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