Files
mmoat/srcs/parsing/tokenizer/tokenizer.c
gazhonsepaskwa dcb9bde568 norm
2025-02-18 11:59:16 +01:00

120 lines
2.7 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* tokenizer.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nalebrun <nalebrun@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/15 13:27:57 by lderidde #+# #+# */
/* Updated: 2025/02/11 16:31:30 by nalebrun ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../../includes/minishell.h"
static t_node *tokenize_base(char *str)
{
t_node *lst;
char *tmp;
int i;
int len;
lst = NULL;
tmp = NULL;
i = 0;
while (str[i])
{
len = goto_nxt_space(&(str[i]));
tmp = ft_substr(&str[i], 0, len);
add_node_back(&lst, tmp, 0, 0);
ft_free(&tmp);
i += len;
}
return (lst);
}
void unstick_main(t_node *it)
{
char *first_str;
char *second_str;
int copied;
if (is_meta(it->val[0]))
first_str = copy_meta(it->val, &copied);
else
first_str = copy_unmeta(it->val, &copied);
second_str = ft_substr(it->val, copied, ft_strlen(it->val)
- copied);
ft_free(&it->val);
it->val = ft_strdup(first_str);
create_node_after(it, second_str);
ft_free(&first_str);
ft_free(&second_str);
}
static int unstick_nodes(t_node *head)
{
t_node *it;
it = head;
while (it != NULL)
{
if (unstick_quote(quote_sticked(it->val), it))
break ;
if (is_sticked(it->val))
unstick_main(it);
it = it->next;
}
return (1);
}
static void del_void_nodes(t_node **head)
{
t_node *cpy;
t_node *tmp;
cpy = *head;
if (ft_strlen((*head)->val) == 0)
{
cpy = (*head)->next;
free((*head)->val);
free(*head);
}
*head = cpy;
while (cpy)
{
if (cpy->next && ft_strlen(cpy->next->val) == 0)
{
tmp = cpy->next->next;
free(cpy->next->val);
free(cpy->next);
cpy->next = tmp;
}
cpy = cpy->next;
}
}
t_node *tokenize(char *str)
{
t_node *head;
head = tokenize_base(str);
if (!head)
return (NULL);
debug_token_list(head, "base");
if (!trim_nodes(head))
return (NULL);
debug_token_list(head, "trim");
del_void_nodes(&head);
debug_token_list(head, "del void");
unstick_nodes(head);
debug_token_list(head, "unstick");
del_void_nodes(&head);
debug_token_list(head, "del void");
set_token(head);
debug_token_list(head, "set token");
if (syntax_error(head))
return (free_linked_list(head), NULL);
return (head);
}