107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It 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 General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <vector>
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namespace Ui {
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namespace Emoji {
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using small = unsigned char;
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using medium = unsigned short;
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using utf16char = unsigned short;
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static_assert(sizeof(utf16char) == 2, "Bad UTF-16 character size.");
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class utf16string {
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public:
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utf16string() = default;
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utf16string(const utf16char *data, std::size_t size) : data_(data), size_(size) {
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}
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utf16string(const utf16string &other) = default;
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utf16string &operator=(const utf16string &other) = default;
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const utf16char *data() const {
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return data_;
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}
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std::size_t size() const {
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return size_;
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}
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utf16char operator[](int index) const {
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return data_[index];
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}
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private:
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const utf16char *data_ = nullptr;
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std::size_t size_ = 0;
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};
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inline bool operator==(utf16string a, utf16string b) {
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return (a.size() == b.size()) && (!a.size() || !memcmp(a.data(), b.data(), a.size() * sizeof(utf16char)));
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}
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namespace internal {
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using checksum = unsigned int;
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checksum countChecksum(const void *data, std::size_t size);
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utf16string GetReplacementEmoji(utf16string replacement);
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} // namespace internal
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class Suggestion {
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public:
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Suggestion() = default;
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Suggestion(utf16string emoji, utf16string label, utf16string replacement) : emoji_(emoji), label_(label), replacement_(replacement) {
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}
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Suggestion(const Suggestion &other) = default;
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Suggestion &operator=(const Suggestion &other) = default;
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utf16string emoji() const {
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return emoji_;
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}
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utf16string label() const {
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return label_;
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}
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utf16string replacement() const {
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return replacement_;
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}
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private:
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utf16string emoji_;
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utf16string label_;
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utf16string replacement_;
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};
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std::vector<Suggestion> GetSuggestions(utf16string query);
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inline utf16string GetSuggestionEmoji(utf16string replacement) {
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return internal::GetReplacementEmoji(replacement);
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}
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int GetSuggestionMaxLength();
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} // namespace Emoji
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} // namespace Ui
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