151 lines
3.3 KiB
C++
151 lines
3.3 KiB
C++
// This file Copyright © 2021-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#include <string_view>
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#include "transmission.h"
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#include "quark.h"
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/**
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* Helper functions wrapped around tr_quark
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*/
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class tr_interned_string
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{
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public:
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tr_interned_string() = default;
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explicit tr_interned_string(tr_quark quark)
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: quark_{ quark }
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{
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}
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explicit tr_interned_string(std::string_view sv)
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: tr_interned_string{ tr_quark_new(sv) }
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{
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}
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explicit tr_interned_string(char const* c_str)
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: tr_interned_string{ std::string_view{ c_str ? c_str : "" } }
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{
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}
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tr_interned_string& operator=(tr_quark quark)
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{
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quark_ = quark;
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return *this;
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}
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tr_interned_string& operator=(std::string_view sv)
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{
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return *this = tr_quark_new(sv);
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}
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tr_interned_string& operator=(char const* c_str)
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{
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return *this = std::string_view{ c_str != nullptr ? c_str : "" };
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}
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[[nodiscard]] tr_quark quark() const
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{
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return quark_;
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}
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[[nodiscard]] char const* c_str() const
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{
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return tr_quark_get_string(quark_);
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}
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[[nodiscard]] std::string_view sv() const
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{
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return tr_quark_get_string_view(quark_);
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}
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[[nodiscard]] auto data() const
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{
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return std::data(this->sv());
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}
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[[nodiscard]] auto empty() const
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{
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return quark_ == TR_KEY_NONE;
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}
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[[nodiscard]] auto size() const
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{
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return std::size(this->sv());
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}
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void clear()
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{
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*this = TR_KEY_NONE;
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}
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[[nodiscard]] auto begin() const
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{
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return std::begin(this->sv());
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}
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[[nodiscard]] auto end() const
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{
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return std::end(this->sv());
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}
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[[nodiscard]] auto rbegin() const
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{
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return std::rbegin(this->sv());
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}
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[[nodiscard]] auto rend() const
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{
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return std::rend(this->sv());
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}
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[[nodiscard]] auto compare(tr_interned_string const& that) const // <=>
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{
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if (this->quark() < that.quark())
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{
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return -1;
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}
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if (this->quark() > that.quark())
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{
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return 1;
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}
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return 0;
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}
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[[nodiscard]] bool operator<(tr_interned_string const& that) const
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{
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return this->compare(that) < 0;
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}
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[[nodiscard]] bool operator>(tr_interned_string const& that) const
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{
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return this->compare(that) > 0;
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}
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[[nodiscard]] bool operator==(tr_interned_string const& that) const
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{
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return this->compare(that) == 0;
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}
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[[nodiscard]] bool operator!=(tr_interned_string const& that) const
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{
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return this->compare(that) != 0;
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}
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[[nodiscard]] bool operator==(std::string_view that) const
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{
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return this->sv() == that;
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}
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[[nodiscard]] bool operator!=(std::string_view that) const
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{
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return this->sv() != that;
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}
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[[nodiscard]] bool operator==(char const* that) const
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{
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return *this == std::string_view{ that != nullptr ? that : "" };
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}
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[[nodiscard]] bool operator!=(char const* that) const
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{
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return *this != std::string_view{ that != nullptr ? that : "" };
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}
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private:
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tr_quark quark_ = TR_KEY_NONE;
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};
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