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5a03ee5838
This has been bounced around for a couple years now #474 and a few others have expressed desire to work with non-standard option names. We have been somewhat resistant to that but I think it can be done now. This PR adds a modifier `allow_non_standard_option_names()` It is purposely long, it is purposely off by default. But what it does is allow option names with a single `-` to act like a short option name. With this modifier enabled no single letter short option names are allowed to start with the same letter as a non-standard names. For example `-s` and `-single` would not be allowed. --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>
51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
// Copyright (c) 2017-2024, University of Cincinnati, developed by Henry Schreiner
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// under NSF AWARD 1414736 and by the respective contributors.
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// All rights reserved.
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//
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// SPDX-License-Identifier: BSD-3-Clause
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#pragma once
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// IWYU pragma: private, include "CLI/CLI.hpp"
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// [CLI11:public_includes:set]
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#include <string>
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#include <tuple>
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#include <utility>
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#include <vector>
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// [CLI11:public_includes:end]
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#include "Macros.hpp"
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namespace CLI {
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// [CLI11:split_hpp:verbatim]
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namespace detail {
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// Returns false if not a short option. Otherwise, sets opt name and rest and returns true
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CLI11_INLINE bool split_short(const std::string ¤t, std::string &name, std::string &rest);
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// Returns false if not a long option. Otherwise, sets opt name and other side of = and returns true
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CLI11_INLINE bool split_long(const std::string ¤t, std::string &name, std::string &value);
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// Returns false if not a windows style option. Otherwise, sets opt name and value and returns true
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CLI11_INLINE bool split_windows_style(const std::string ¤t, std::string &name, std::string &value);
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// Splits a string into multiple long and short names
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CLI11_INLINE std::vector<std::string> split_names(std::string current);
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/// extract default flag values either {def} or starting with a !
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CLI11_INLINE std::vector<std::pair<std::string, std::string>> get_default_flag_values(const std::string &str);
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/// Get a vector of short names, one of long names, and a single name
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CLI11_INLINE std::tuple<std::vector<std::string>, std::vector<std::string>, std::string>
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get_names(const std::vector<std::string> &input, bool allow_non_standard = false);
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} // namespace detail
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// [CLI11:split_hpp:end]
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} // namespace CLI
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#ifndef CLI11_COMPILE
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#include "impl/Split_inl.hpp" // IWYU pragma: export
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#endif
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