95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
// Copyright 2022, FOSS-VG Developers and Contributers
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, version 3.
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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
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the 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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// version 3 along with this program.
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// If not, see https://www.gnu.org/licenses/agpl-3.0.en.html
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#pragma once
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#include <string>
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#include <vector>
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#include <map>
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#include "error.hpp"
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namespace CLI {
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struct Flag {
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char shortName;
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std::string longName;
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// used for automatic usage generation
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std::string description;
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bool present;
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Flag();
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Flag(char shortName, std::string longName, std::string description);
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};
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struct Option {
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char shortName;
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std::string longName;
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// used for automatic usage generation
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std::string description;
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std::string placeholder; // the "COUNT" in "ping [-c <COUNT>] <HOST>"
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bool present;
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std::string value;
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Option();
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Option(char shortName, std::string longName, std::string placeholder, std::string description);
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};
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struct Argument {
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// used for automatic usage generation
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std::string description;
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std::string placeholder; // the "HOST" in "ping [-c <COUNT>] <HOST>"
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bool present;
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std::string value;
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Argument();
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Argument(std::string placeholder, std::string description);
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};
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class ArgumentsParser {
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private:
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std::map<char, Flag*> flagsByShortName;
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std::map<std::string, Flag*> flagsByLongName;
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std::map<char, Option*> optionsByShortName;
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std::map<std::string, Option*> optionsByLongName;
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std::vector<Argument> arguments;
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std::string description;
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std::string additionalInfo;
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public:
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std::string programName;
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bool wrongUsage;
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std::vector<std::string> wrongUsageMessages;
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// using int here bc that's how main() is defined
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ArgumentsParser(int argc, const char* const argv[], std::vector<Flag> flags, std::vector<Option> options, std::vector<Argument> arguments);
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ArgumentsParser(int argc, const char* const argv[], std::vector<Flag> flags, std::vector<Option> options, std::vector<Argument> arguments, std::string description);
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ArgumentsParser(int argc, const char* const argv[], std::vector<Flag> flags, std::vector<Option> options, std::vector<Argument> arguments, std::string description, std::string additionalInfo);
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~ArgumentsParser();
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ErrorOr<bool> getFlag(char shortName);
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ErrorOr<bool> getFlag(std::string longName);
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ErrorOr<std::string> getArgument(std::vector<CLI::Argument>::size_type position);
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ErrorOr<std::string> getOption(char shortName);
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ErrorOr<std::string> getOption(std::string longName);
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std::string getUsage();
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};
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}
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