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