mirror of
https://github.com/BeamMP/BeamMP-Server.git
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68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
// BeamMP, the BeamNG.drive multiplayer mod.
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// Copyright (C) 2024 BeamMP Ltd., BeamMP team and contributors.
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//
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// BeamMP Ltd. can be contacted by electronic mail via contact@beammp.com.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by 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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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include <initializer_list>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <vector>
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/*
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* Allows syntax:
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* --help : long flags
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* --path=/home/lion : long assignments
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*/
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class ArgsParser {
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public:
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enum Flags : int {
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NONE = 0,
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REQUIRED = 1, // argument is required
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HAS_VALUE = 2, // argument must have a value
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};
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ArgsParser() = default;
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void Parse(const std::vector<std::string_view>& ArgList);
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// prints errors if any errors occurred, in that case also returns false
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bool Verify();
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void RegisterArgument(std::vector<std::string>&& ArgumentNames, int Flags);
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// pass all possible names for this argument (short, long, etc)
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bool FoundArgument(const std::vector<std::string>& Names);
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std::optional<std::string> GetValueOfArgument(const std::vector<std::string>& Names);
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private:
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void ConsumeLongAssignment(const std::string& Arg);
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void ConsumeLongFlag(const std::string& Arg);
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bool IsRegistered(const std::string& Name);
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struct Argument {
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std::string Name;
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std::optional<std::string> Value;
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};
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struct RegisteredArgument {
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std::vector<std::string> Names;
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int Flags;
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};
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std::vector<RegisteredArgument> mRegisteredArguments;
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std::vector<Argument> mFoundArgs;
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};
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