112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* redirection.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2023/03/27 13:44:22 by cchauvet #+# #+# */
|
|
/* Updated: 2023/03/29 17:58:57 by cchauvet ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "redirection_private.h"
|
|
|
|
int ft_replace_file(t_data *data, char **tab)
|
|
{
|
|
size_t i;
|
|
char *redirection;
|
|
|
|
i = 0;
|
|
while (tab[i] != NULL)
|
|
{
|
|
if (ft_is_in("<>", tab[i][0]))
|
|
{
|
|
i++;
|
|
redirection = ft_env_filler(data, tab[i]);
|
|
if (redirection == NULL)
|
|
return (1);
|
|
free(tab[i]);
|
|
tab[i] = redirection;
|
|
ft_quote_remover(tab[i]);
|
|
}
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void ft_skip(char *str, size_t *i, ssize_t *start)
|
|
{
|
|
while (str[*i] == str[*start])
|
|
(*i)++;
|
|
while (str[*i] == ' ')
|
|
(*i)++;
|
|
while (str[*i] != '\0' && (str[*i] != ' '
|
|
|| ft_is_in_quote(str, *i)))
|
|
(*i)++;
|
|
}
|
|
|
|
static void ft_remove_redirection(char *cmd_str)
|
|
{
|
|
size_t i;
|
|
ssize_t start;
|
|
|
|
i = 0;
|
|
while (cmd_str[i] != '\0')
|
|
{
|
|
start = -1;
|
|
while ((ft_is_in_quote(cmd_str, i) || !ft_is_in("<>", cmd_str[i]))
|
|
&& cmd_str[i] != '\0')
|
|
i++;
|
|
if (ft_is_in("<>", cmd_str[i]))
|
|
start = i;
|
|
else
|
|
continue ;
|
|
ft_skip(cmd_str, &i, &start);
|
|
if (start != -1)
|
|
{
|
|
ft_strshift(cmd_str + start, -1 * (i - start));
|
|
i = start;
|
|
}
|
|
}
|
|
}
|
|
|
|
int ft_set_redirection(t_data *data, t_cmd *cmd, char **tab)
|
|
{
|
|
size_t i;
|
|
|
|
i = 0;
|
|
while (tab[i + 1] != NULL)
|
|
{
|
|
ft_quote_remover(tab[i + 1]);
|
|
if (ft_check_redirection(data, cmd, tab[i], tab[i + 1]) == 2)
|
|
return (1);
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int ft_redirection(t_data *data, t_cmd *cmd, char *cmd_str)
|
|
{
|
|
char **tab;
|
|
|
|
cmd->fd_in[0] = -1;
|
|
cmd->fd_in[1] = -1;
|
|
cmd->fd_out[0] = -1;
|
|
cmd->fd_out[1] = -1;
|
|
tab = ft_split_quoted(cmd_str, ' ');
|
|
if (tab == NULL)
|
|
{
|
|
ft_eprintf("minishell: malloc failed\n");
|
|
return (1);
|
|
}
|
|
ft_remove_redirection(cmd_str);
|
|
if (ft_set_redirection(data, cmd, tab))
|
|
{
|
|
ft_freer_tab_ultimate(1, tab);
|
|
return (1);
|
|
}
|
|
ft_freer_tab_ultimate(1, tab);
|
|
return (0);
|
|
}
|