init

ex00/Makefile

@@ -0,0 +1,26 @@
+CXX := c++
+CXXFLAGS := -std=c++98 -Wall -Wextra -Werror -g
+SRCDIR := src
+OBJDIR := obj
+NAME := convert
+
+SRCS := $(wildcard $(SRCDIR)/*.cpp)
+OBJS := $(patsubst $(SRCDIR)/%.cpp,$(OBJDIR)/%.o,$(SRCS))
+
+all: $(NAME)
+
+$(OBJDIR)/%.o: $(SRCDIR)/%.cpp
+	mkdir -p $(OBJDIR)
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+$(NAME): $(OBJS)
+	$(CXX) $(CXXFLAGS) $^ -o $@
+
+clean:
+	rm -rf $(OBJDIR)
+
+fclean: clean
+	rm -fr $(NAME)
+
+re: fclean
+	@make --no-print-directory all

ex00/src/ScalarConverter.cpp

@@ -0,0 +1,73 @@
+#include "ScalarConverter.hpp"
+
+#include <cctype>
+#include <cerrno>
+#include <cstdlib>
+#include <cstddef>
+#include <exception>
+#include <iostream>
+#include <string>
+
+#include <limits.h>
+
+ScalarConverter::ScalarConverter()
+{}
+
+ScalarConverter::ScalarConverter(const ScalarConverter& src)
+{
+	(void) src;
+}
+
+ScalarConverter::~ScalarConverter()
+{}
+
+ScalarConverter& ScalarConverter::operator=(const ScalarConverter& src)
+{
+	if (this != &src)
+		*this = src;
+	return *this;
+}
+
+double get_value(const std::string& str)
+{
+	char *pos;
+	double value = std::strtod(str.c_str(), &pos);
+	if (pos)
+		std::cout << pos << std::endl;
+	if (errno == ERANGE)
+		throw std::exception();
+	return value;
+}
+
+void convert2char(const double value)
+{
+	std::cout << "char: ";
+	if (isprint(static_cast<char>(value)))
+		std::cout << static_cast<char>(value);
+	else
+		std::cout << "Non displayable";
+	std::cout << std::endl;
+}
+
+void convert2int(const double value)
+{
+	std::cout << "int: ";
+	if (value > INT_MAX)
+		std::cout << "imposible";
+	else
+		std::cout << static_cast<int>(value);
+	std::cout << std::endl;
+}
+
+void ScalarConverter::convert(const std::string &str)
+{
+	double value;
+	try {
+		value = get_value(str);
+	} catch (std::exception &e) {
+		std::cout << "convert imposible" << std::endl;
+		return;
+	}
+	convert2char(value);
+	convert2int(value);
+}

ex00/src/ScalarConverter.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <string>
+
+#define CHAREX "'.{1}'"
+#define INTEX "^[+\\-]*[0-9]+$"
+#define FLOATEX "^([+\\-]*(([0-9]+(\\.[0-9]+)?)|inf|nan))f?$"
+#define DOUBLEEX "^([+\\-]*(([0-9]+(\\.[0-9]+)?)|inf|nan))f?$"
+
+class ScalarConverter
+{
+	private:
+		ScalarConverter();
+		ScalarConverter(const ScalarConverter& src);
+		~ScalarConverter();
+		ScalarConverter& operator=(const ScalarConverter& src);
+
+	public:
+		static void convert(const std::string& str);
+};

ex00/src/main.cpp

@@ -0,0 +1,14 @@
+#include "ScalarConverter.hpp"
+#include <iostream>
+
+int main(int ac, char **av) {
+
+	if (ac != 2) {
+		std::cerr << "Wrong amount of arguments."
+			" This program takes one argument: the literal to convert."
+			<< std::endl;
+		return 1;
+	}
+	ScalarConverter::convert(av[1]);
+}
+