start changing parsing of arguments to add settings and start a render with no input

srcs/class/Arguments.cpp

@@ -0,0 +1,141 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   Arguments.cpp                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/02/04 01:05:44 by tomoron           #+#    #+#             */
+/*   Updated: 2025/02/04 03:16:25 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "RT.hpp"
+
+Arguments::Arguments(int argc, char **argv)
+{
+	initArguments();
+	_headless = 0;
+	_err = 0;
+
+	if(argc <= 1)
+	{
+		_err = 1;
+		printUsage();
+		return ;
+	}
+	
+	for(int i = 1; i < argc; i++)
+	{
+		if(!handleArg(argv, argc, &i))
+		{
+			_err = 1;
+			return ;
+		}
+	}
+	if(_values.find("sceneName") == _values.end())
+	{
+		std::cerr << "missing scene name" << std::endl;
+		_err = 1;
+	}
+}
+
+void	Arguments::printUsage(void)
+{
+	std::cerr << "usage : [options] <scene name> [options]" << std::endl;
+	std::cerr << R""""(options :
+	-r | --renderpath : filename for the renderer path
+	-h | --headless : does the program need to start rendering as soon as it starts(and close automatically)
+)"""";	
+}
+
+bool	Arguments::error(void) const
+{
+	return(_err);
+}
+
+std::string &Arguments::getSceneName(void) 
+{
+	return(_values["sceneName"]);
+}
+
+void	Arguments::addArgument(char shortName, std::string longName, int isFlag)
+{
+	t_arg arg;
+
+	arg.shortName = shortName;
+	arg.longName = longName;
+	arg.isFlag = isFlag;
+	_args.push_back(arg);
+}
+
+void Arguments::initArguments()
+{
+	addArgument('r', "renderPath", 0);
+	addArgument('h', "headless", 1);
+}
+
+int Arguments::handleArg(char **argv, int argc, int *i)
+{
+	std::string arg(argv[*i]);
+
+	(void)i;
+	if(!arg.size())
+		return(1);
+	if(arg.size() >= 2 && arg[0] == '-' && arg[1] == '-')
+	{
+		for(std::vector<t_arg>::iterator it = _args.begin(); it != _args.end(); it++)
+		{
+			if((*it).longName == arg.substr(2))
+			{
+				if((*it).isFlag)
+					_values[(*it).longName] = "yes";
+				else if(*i == argc - 1)
+				{
+					std::cerr << "missing option" << std::endl;
+					return(0);
+				}
+				else
+					_values[(*it).longName] = argv[++(*i)];
+				return(1);
+			}
+		}
+		std::cerr<< "unrecognized option : " << arg << std::endl;
+		return(0);
+	}
+	else if(arg[0] == '-')
+	{
+		for(size_t j = 1; j < arg.size(); j++)
+		{
+			for(std::vector<t_arg>::iterator it = _args.begin(); it != _args.end(); it++)
+			{
+				if((*it).shortName == arg[j])
+				{
+					if((*it).isFlag)
+						_values[(*it).longName] = "yes";
+					else if(*i == argc - 1)
+					{
+						std::cerr << "missing option" << std::endl;
+						return(0);
+					}
+					else
+						_values[(*it).longName] = argv[++(*i)];
+					return(1);
+				}
+			}
+			std::cerr << "unrecognized option : -" << arg[j] << std::endl;
+			return(0);
+		}
+	}
+	else
+	{
+		if(_values.find("sceneName") == _values.end())
+			_values["sceneName"] = arg;
+		else
+		{
+			std::cerr << "unrecognized option : " << arg << std::endl;
+			return(0);
+		}
+	}
+	return(1);
+}