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cppargparse.hh
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			/**
			* @file cppargparse.hh
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date creation: Thu Apr 03 2014
			* @date last modification: Mon Sep 15 2014
			*
			* @brief Get the commandline options and store them as short, long and others
			*
			* @section LICENSE
			*
			* Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
			* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
			*
			* Akantu is free software: you can redistribute it and/or modify it under the
			* terms of the GNU Lesser General Public License as published by the Free
			* Software Foundation, either version 3 of the License, or (at your option) any
			* later version.
			*
			* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
			* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
			* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
			* details.
			*
			* You should have received a copy of the GNU Lesser General Public License
			* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
			*
			*/

			/* -------------------------------------------------------------------------- */
			#include <map>
			#include <string>
			#include <iostream>
			#include <vector>

			#ifndef __CPPARGPARSE_HH__
			#define __CPPARGPARSE_HH__

			namespace cppargparse {

			enum ArgumentType { _string, _integer, _float, _boolean };

			enum ArgumentNargs { _one_if_possible = -1, _at_least_one = -2, _any = -3 };

			enum ParseFlags {
			_no_flags = 0x0,
			_stop_on_not_parsed = 0x1,
			_remove_parsed = 0x2
			};

			inline ParseFlags operator\|(const ParseFlags & a, const ParseFlags & b) {
			ParseFlags tmp = ParseFlags(int(a) \| int(b));
			return tmp;
			}

			class ArgumentParser {
			public:
			class Argument {
			public:
			Argument() : name(std::string()) {}
			virtual ~Argument() {}
			virtual void printself(std::ostream & stream) const = 0;
			template <class T> operator T() const;
			std::string name;
			};

			/// constructor
			ArgumentParser();

			/// destroy everything
			~ArgumentParser();

			/// add an argument with a description
			void addArgument(const std::string & name_or_flag, const std::string & help,
			int nargs = 1, ArgumentType type = _string);

			/// add an argument with an help and a default value
			template <class T>
			void addArgument(const std::string & name_or_flag, const std::string & help,
			int nargs, ArgumentType type, T def);

			/// add an argument with an help and a default + const value
			template <class T>
			void addArgument(const std::string & name_or_flag, const std::string & help,
			int nargs, ArgumentType type, T def, T cons);

			/// parse argc, argv
			void parse(int & argc, char **& argv, int flags = _stop_on_not_parsed,
			bool parse_help = true);

			/// get the last argc parsed
			int & getARGC() { return *argc; }

			/// get the last argv parsed
			char** & getARGV() { return *argv; }

			/// print the content in the stream
			void printself(std::ostream & stream) const;

			/// print the help text
			void print_help(std::ostream & stream = std::cout) const;

			/// print the usage text
			void print_usage(std::ostream & stream = std::cout) const;

			/// set an external function to replace the exit function from the stdlib
			void setExternalExitFunction(void (*external_exit)(int)) {
			this->external_exit = external_exit;
			}

			/// accessor for a registered argument that was parsed, throw an exception if
			/// the argument does not exist or was not set (parsed or default value)
			const Argument & operator[](const std::string & name) const;

			/// is the argument present
			bool has(const std::string &) const;

			/// set the parallel context to avoid multiple help messages in
			/// multiproc/thread cases
			void setParallelContext(int prank, int psize);

			public:
			class _Argument;
			template <class T> class ArgumentStorage;

			private:
			_Argument & _addArgument(const std::string & name_or_flag,
			const std::string & description, int nargs,
			ArgumentType type);

			void _exit(const std::string & msg = "", int status = 0);
			bool checkType(ArgumentType type, const std::string & value) const;

			void print_usage_nargs(std::ostream & stream,
			const _Argument & argument) const;
			void print_help_argument(std::ostream & stream,
			const _Argument & argument) const;

			private:
			typedef std::map<std::string, _Argument *> _Arguments;
			typedef std::map<std::string, Argument *> Arguments;
			typedef std::map<std::string, _Argument *> ArgumentKeyMap;
			typedef std::vector<_Argument *> PositionalArgument;

			/// internal view of arguments
			_Arguments arguments;

			ArgumentKeyMap key_args;

			/// positional arguments to parse
			PositionalArgument pos_args;

			/// Success fully parsed arguments
			Arguments success_parsed;

			/// program name
			std::string program_name;

			/// exit function to use
			void (*external_exit)(int);

			/// Parallel context, rank and size of communicator
			int prank, psize;

			/// The last argc parsed (those are the modified version after parse)
			int * argc;

			/// The last argv parsed (those are the modified version after parse)
			char *** argv;
			};
			}

			inline std::ostream & operator<<(std::ostream & stream,
			const cppargparse::ArgumentParser & argparse) {
			argparse.printself(stream);
			return stream;
			}

			#endif /* __CPPARGPARSE_HH__ */

			#include "cppargparse_tmpl.hh"

rAKA/src/io/parser/cppargparse/cppargparse.hh1f6d3d2a449fbugfixes/ci_deploy_fixes

cppargparse.hhView Options

rAKA/src/io/parser/cppargparse/cppargparse.hh
1f6d3d2a449fbugfixes/ci_deploy_fixes

cppargparse.hh
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