122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* set_var.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2022/04/19 15:02:01 by apommier #+# #+# */
|
|
/* Updated: 2022/04/19 19:55:04 by apommier ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "../../includes/minishell.h"
|
|
|
|
char *del_char(char *str, int *index)
|
|
{
|
|
char *swap;
|
|
char *swap2;
|
|
|
|
swap = 0;
|
|
swap = ft_strdup(str + *index + 1);
|
|
str[*index] = 0;
|
|
swap2 = str;
|
|
str = ft_strjoin(str, swap);
|
|
free(swap2);
|
|
free(swap);
|
|
return (str);
|
|
}
|
|
|
|
char *get_var(t_cmd *cmd, char *var_name)
|
|
{
|
|
char *line;
|
|
char **split_line;
|
|
int index;
|
|
|
|
line = 0;
|
|
if (!ft_strcmp(var_name, "?"))
|
|
return (ft_itoa(cmd->err_var));
|
|
index = find_it(cmd->env, var_name);
|
|
if (index >= 0)
|
|
{
|
|
line = cmd->env[index];
|
|
split_line = ft_split(line, '=');
|
|
if (split_line[1])
|
|
line = ft_strdup(split_line[1]);
|
|
else
|
|
return (0);
|
|
free_double(split_line);
|
|
}
|
|
return (line);
|
|
}
|
|
|
|
char *change_var(t_cmd *big_cmd, char *cmd, int *index)
|
|
{
|
|
int i;
|
|
char *swap;
|
|
char *swap2;
|
|
char *ret;
|
|
char *var;
|
|
|
|
i = *index + 1;
|
|
while (cmd[i] && (ft_isalnum(cmd[i]) || cmd[i] == '_' || cmd[i] == '?'))
|
|
i++;
|
|
swap = ft_substr(cmd, *index + 1, i - *index - 1);
|
|
var = get_var(big_cmd, swap);
|
|
free(swap);
|
|
swap2 = ft_strdup(cmd + i);
|
|
cmd[*index] = 0;
|
|
ret = ft_strjoin(cmd, var);
|
|
free(cmd);
|
|
*index += ft_strlen(var) - 1;
|
|
free(var);
|
|
var = ret;
|
|
ret = ft_strjoin(ret, swap2);
|
|
free(var);
|
|
free(swap2);
|
|
return (ret);
|
|
}
|
|
|
|
char *check_quote(t_cmd *big_cmd, char *cmd, int *i)
|
|
{
|
|
cmd = del_char(cmd, i);
|
|
if (cmd[*i])
|
|
{
|
|
while (cmd[*i] != '"')
|
|
{
|
|
if (cmd[*i] == '$')
|
|
cmd = change_var(big_cmd, cmd, i);
|
|
(*i)++;
|
|
}
|
|
cmd = del_char(cmd, i);
|
|
}
|
|
return (cmd);
|
|
}
|
|
|
|
char *set_var(t_cmd *big_cmd, char *cmd)
|
|
{
|
|
int i;
|
|
|
|
i = 0;
|
|
while (cmd[i])
|
|
{
|
|
if (cmd[i] == '\'')
|
|
{
|
|
cmd = del_char(cmd, &i);
|
|
if (cmd[i])
|
|
{
|
|
while (cmd[i] != '\'')
|
|
i++;
|
|
cmd = del_char(cmd, &i);
|
|
}
|
|
}
|
|
else if (cmd[i] == '"')
|
|
cmd = check_quote(big_cmd, cmd, &i);
|
|
else if (cmd[i] == '$')
|
|
cmd = change_var(big_cmd, cmd, &i);
|
|
else
|
|
i++;
|
|
}
|
|
return (cmd);
|
|
}
|