147 lines
3.0 KiB
C
147 lines
3.0 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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//
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// char *get_til_nxt_quote(char **str, char quote)
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// {
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// char *base;
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// char *tmp;
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// char *out;
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// int len;
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//
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// base = *str;
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// len = 1;
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// tmp = NULL;
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// if (**str)
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// (*str)++;
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// while ((**str) && **str != quote)
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// {
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// len++;
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// (*str)++;
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// }
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// out = ft_substr(base, 0, len + 1);
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// if (**str)
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// (*str)++;
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// if (**str && *(*str) && (*(*str) == '"' || *(*str) == '\''))
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// {
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// tmp = get_til_nxt_quote(str, **str);
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// }
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// out = ft_strfjoin(out, tmp);
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// ft_free(&tmp);
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// return (out);
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// }
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//
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bool is_space(char c)
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{
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if ((c >= 9 && c <= 13) || c == 32)
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return (true);
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else
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return (false);
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}
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int skip_quote(char *str)
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{
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int i;
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if (!str[1])
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return 0;
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i = 1;
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while(str[i] && str[i] != '\'' && str[i] != '"')
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i++;
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return (i);
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}
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int goto_nxt_space(char *str)
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{
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int i;
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i = 0;
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while (is_space(str[i]))
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i++;
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while (str[i] && !is_space(str[i]))
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{
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if (str[i] == '\'' || str[i] == '"')
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i += skip_quote(&(str[i]));
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i++;
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}
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return (i);
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}
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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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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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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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