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2cedb48de2
With C++20 the custom container PS:span, which was a backport of std::span is no longer needed. Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/* Copyright (C) 2025 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_CMDLINEARGS
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#define INCLUDED_CMDLINEARGS
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#include "lib/os_path.h"
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#include "ps/CStr.h"
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#include <span>
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#include <utility>
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#include <vector>
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namespace PS { template <typename T> class span; }
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class CmdLineArgs
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{
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public:
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using ArgsT = std::vector<std::pair<CStr, CStr>>;
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CmdLineArgs() {}
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/**
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* Parse the command-line options, for future processing.
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* All arguments are required to be of the form <tt>-name</tt> or
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* <tt>-name=value</tt> - anything else is ignored.
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*
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* @param argv span of arguments; argv[0] should be the program's name
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*/
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CmdLineArgs(const std::span<const char* const> argv);
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/**
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* Test whether the given name was specified, as either <tt>-name</tt> or
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* <tt>-name=value</tt>
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*/
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bool Has(const CStr& name) const;
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/**
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* Get the value of the named parameter. If it was not specified, returns
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* the empty string. If it was specified multiple times, returns the value
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* from the first occurrence.
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*/
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CStr Get(const CStr& name) const;
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/**
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* Get all the values given to the named parameter. Returns values in the
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* same order as they were given in argv.
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*/
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std::vector<CStr> GetMultiple(const CStr& name) const;
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/**
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* Get the value of argv[0], which is typically meant to be the name/path of
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* the program (but the actual value is up to whoever executed the program).
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*/
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OsPath GetArg0() const;
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/**
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* Returns all arguments that don't have a name (string started with '-').
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*/
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const ArgsT& GetArgs() const;
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/**
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* Returns all arguments that don't have a name (string started with '-').
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*/
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std::vector<CStr> GetArgsWithoutName() const;
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private:
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ArgsT m_Args;
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OsPath m_Arg0;
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std::vector<CStr> m_ArgsWithoutName;
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};
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extern CmdLineArgs g_CmdLineArgs;
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#endif // INCLUDED_CMDLINEARGS
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