Files
42_INT_07_minishell/srcs/parsing/expansions/expansions.c
2021-12-20 15:54:07 +01:00

83 lines
2.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* expansions.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/07 02:01:33 by lperrey #+# #+# */
/* Updated: 2021/12/20 15:51:18 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
t_list *expand_token(char *content);
char *rejoin_after_expand(t_list *expand_lst);
int new_token_for_each_field(char **fields, t_token *t);
/*
* 1 - chaque bout dans un element d'une t_list
* (telle quelle si non expand, ou VARIABLE de env)
* 2 - strjoin() le tout
* 3 - split avec un ft_strplit() modifié (ne splitant pas dans les quotes)
* 4 - quotes removal, ft_strdup_quotes() le tableau split
* 5 - creer un token T_WORD pour chaque *string du **split_arr
* (ft_lstadd_front() sur le token original, puis set le token orignal à :
* t->id = 0 ;
* free(t->content) ;
* t->content = NULL ;
* pour qu'il soit ignoré sur la suite du parsing)
*/
int expansions(t_token *t, t_cmd **pipeline)
{
int i;
t_token *next_token;
i = 0;
while (t)
{
if (t->id == '|')
i++;
if (!pipeline[i]->error && t->id == T_WORD)
{
next_token = t->next;
if (!token_expansions(t))
{
pipeline[i]->error = EXIT_EXPANSION;
}
while (t != next_token)
t = t->next;
}
else
t = t->next;
}
return (1);
}
int token_expansions(t_token *t)
{
void *tmp;
char **tmp_split;
tmp = (t_list *)expand_token(t->content);
if (!tmp)
return (0);
tmp = (char *)rejoin_after_expand(tmp);
if (!tmp)
return (0);
tmp_split = ft_split_quotes(tmp, ' ');
free(tmp);
if (!tmp_split)
return (0);
tmp = tmp_split;
tmp_split = ft_dup_2d_arr(tmp_split, (t_dup_f)ft_strdup_quotes);
ft_free_2d_arr(tmp);
if (!tmp_split)
return (0);
if (!new_token_for_each_field(tmp_split, t))
return (0);
return (1);
}