50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/common.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Status.h"
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#include "td/utils/StringBuilder.h"
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#include <functional>
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#include <string>
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namespace td {
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class OptionsParser {
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class Option {
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public:
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enum Type { NoArg, Arg, OptionalArg };
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Type type;
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char short_key;
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std::string long_key;
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std::string description;
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std::function<Status(Slice)> arg_callback;
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};
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public:
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void set_description(std::string description);
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void add_option(Option::Type type, char short_key, Slice long_key, Slice description,
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std::function<Status(Slice)> callback);
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void add_option(char short_key, Slice long_key, Slice description, std::function<Status(Slice)> callback);
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void add_option(char short_key, Slice long_key, Slice description, std::function<Status(void)> callback);
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Result<int> run(int argc, char *argv[]) TD_WARN_UNUSED_RESULT;
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friend StringBuilder &operator<<(StringBuilder &sb, const OptionsParser &o);
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private:
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std::vector<Option> options_;
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std::string description_;
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};
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} // namespace td
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