CPP_Module_01/ex04/sed.cpp

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   sed.cpp                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/11/07 16:45:25 by adjoly            #+#    #+#             */
/*   Updated: 2024/11/09 18:49:49 by adjoly           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include "sed.h"

Sed::Sed(std::string &inFile, std::string &s1, std::string &s2): 
	_outFileName(inFile + ".replace") {
	std::ifstream		infile(inFile.c_str());
	size_t				pos = 0;
	std::stringstream	buf;

	if (!infile) {
		std::cerr << "Could not open infile" << std::endl;
		return ;
	}
	buf << infile.rdbuf();
	_content = buf.str();
	infile.close();
	pos = _content.find(s1, pos);
	while (pos < _content.length())
	{
		_content.erase(pos, s1.length());
		_content.insert(pos, s2);
		pos = _content.find(s1, pos + s2.length());
	}
}

Sed::~Sed(void) {
	std::ofstream	outfile(this->_outFileName.c_str());

	if (!outfile) {
		std::cout << "Cannot write to outfile" << std::endl;
		return ;
	}
	outfile << _content;
	outfile.close();
}