117 lines
2.4 KiB
C++
117 lines
2.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/value_ordering.h"
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class History;
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namespace Data {
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class Feed;
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} // namespace Data
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namespace Dialogs {
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class Entry;
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class Key {
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public:
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Key() = default;
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Key(History *history) : _value(history) {
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}
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Key(not_null<History*> history) : _value(history) {
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}
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Key(Data::Feed *feed) : _value(feed) {
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}
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Key(not_null<Data::Feed*> feed) : _value(feed) {
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}
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explicit operator bool() const {
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return !!_value;
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}
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not_null<Entry*> entry() const;
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History *history() const;
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Data::Feed *feed() const;
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PeerData *peer() const;
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inline bool operator<(const Key &other) const {
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return _value < other._value;
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}
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inline bool operator>(const Key &other) const {
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return (other < *this);
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}
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inline bool operator<=(const Key &other) const {
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return !(other < *this);
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}
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inline bool operator>=(const Key &other) const {
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return !(*this < other);
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}
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inline bool operator==(const Key &other) const {
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return _value == other._value;
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}
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inline bool operator!=(const Key &other) const {
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return !(*this == other);
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}
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base::optional_variant<
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not_null<History*>,
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not_null<Data::Feed*>> raw() const {
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return _value;
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}
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// Not working :(
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//friend inline auto value_ordering_helper(const Key &key) {
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// return key.value;
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//}
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private:
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base::optional_variant<not_null<History*>, not_null<Data::Feed*>> _value;
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};
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struct RowDescriptor {
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RowDescriptor() = default;
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RowDescriptor(Key key, FullMsgId fullId) : key(key), fullId(fullId) {
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}
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Key key;
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FullMsgId fullId;
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};
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inline bool operator==(const RowDescriptor &a, const RowDescriptor &b) {
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return (a.key == b.key)
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&& ((a.fullId == b.fullId) || (!a.fullId.msg && !b.fullId.msg));
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}
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inline bool operator!=(const RowDescriptor &a, const RowDescriptor &b) {
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return !(a == b);
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}
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inline bool operator<(const RowDescriptor &a, const RowDescriptor &b) {
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if (a.key < b.key) {
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return true;
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} else if (a.key > b.key) {
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return false;
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}
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return a.fullId < b.fullId;
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}
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inline bool operator>(const RowDescriptor &a, const RowDescriptor &b) {
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return (b < a);
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}
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inline bool operator<=(const RowDescriptor &a, const RowDescriptor &b) {
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return !(b < a);
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}
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inline bool operator>=(const RowDescriptor &a, const RowDescriptor &b) {
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return !(a < b);
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}
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} // namespace Dialogs
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