b_final-/new.c at main · yuhyoon/b_final- · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   new.c                                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: hyeyeom <hyeyeom@42student.gyeongsan.kr    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/04/12 23:40:21 by hyeyeom           #+#    #+#             */
/*   Updated: 2025/04/14 00:42:35 by hyeyeom          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

char	**create_newsrc(t_ready *rdy, char *src, char *mask, t_minish *sh)
{
	int		i;
	int		size;
	int		newsrc_len;
	char	**cmd;

	i = 0;
	while (mask[i] != '\n' && mask[i] != PIPE)
		i++;
	rdy->subsrc = ft_substr(src, 0, i);
	rdy->submsk = get_submask(rdy->subsrc, mask);
	newsrc_len = e(sh, rdy);
	size = pipex_get_size(rdy->newsrc, newsrc_len);
	cmd = (char **)malloc(sizeof(char *) * (size + 1));
	if (!cmd)
		return (NULL);
	cmd = pipex_splited(rdy->newsrc, size, cmd);
	return (cmd);
}

int	e(t_minish *sh, t_ready *rdy)
{
	int				newsrc_fd;
	t_char_state	char_state;
	int				len;

	newsrc_fd = open("newsrc_fd", O_RDWR | O_CREAT | O_TRUNC, 0644);
	init_char_state(&char_state, rdy->submsk);
	f(rdy->submsk, rdy->subsrc, newsrc_fd, sh);
	close(newsrc_fd);
	newsrc_fd = open("newsrc_fd", O_RDONLY);
	rdy->newsrc = read_maskfd(newsrc_fd, &len);
	close(newsrc_fd);
	unlink("newsrc_fd");
	return (len);
}

void	f(char *submsk, char *subsrc, int fd, t_minish *sh)
{
	int		i;
	char	*env_value;

	i = 0;
	while (submsk[i] != '\0')
	{
		if (submsk[i] - 48 == NONE)
			i += write(fd, "", 1);
		else if (submsk[i] - 48 == TEXT)
			i += write(fd, &subsrc[i], 1);
		else if (submsk[i] - 48 == DOLLAR)
		{
			env_value = get_variable_new(&submsk[i], &subsrc[i], sh);
			i += check_env_value(env_value, fd, &submsk[i], &subsrc[i]);
			free(env_value);
		}
		else if (submsk[i] - 48 == QUOTE || \
			(submsk[i] - 48 > TEXT && submsk[i] - 48 < DOLLAR))
			i++;
	}
}

int	check_env_value(char *env_value, int fd, char *submsk, char *subsrc)
{
	int	i;

	i = 0;
	if (ft_strlen(env_value) == 1 && *env_value == '$')
		i += write(fd, env_value, ft_strlen(env_value));
	else if (ft_strlen(env_value) == 0)
		i += ft_strcspn(&submsk[i], "0");
	else
	{
		ft_putstr_fd(env_value, fd);
		if (subsrc[i + 1] == '?')
			i += 2;
		else
			i += ft_strcspn(&submsk[i], "0");
	}
	return (i);
}

char	*get_variable_new(char *mask, char *src, t_minish *sh)
{
	int		i;
	char	*rsult;

	i = 1;
	if (src[i] == '\0' || \
			src[i] == ' ' || \
			src[i] == '\n' || \
			(src[i] == '\"' && mask[i + 1] - 48 != TEXT))
		rsult = ft_substr(src, 0, 1);
	else if (src[i++] == '?')
		rsult = ft_itoa(*f_exitcode());
	else if (mask[--i] - 48 == QUOTE)
	{
		++i;
		rsult = ft_substr(src, i, (ft_strspn(&mask[i], "1")));
	}
	else
	{
		while (mask[i] - 48 == 1)
			i++;
		rsult = valid_env(ft_substr(src, 1, i - 1), sh);
	}
	return (rsult);
}