133 lines
2.9 KiB
C
133 lines
2.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* heredoc.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/02/11 09:01:14 by lderidde #+# #+# */
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/* Updated: 2025/02/15 09:28:28 by lderidde ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../../../includes/minishell.h"
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static void remove_quote(char **new, char *limiter, char c)
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{
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int i;
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int k;
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int len;
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i = 0;
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k = 0;
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len = ft_strlen(limiter);
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*(new) = ft_calloc(len - 1, sizeof(char));
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while (i < len - 2)
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{
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if ((&(limiter[k]) == ft_strchr(limiter, c))
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|| (&(limiter[k]) == ft_strrchr(limiter, c)))
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{
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k++;
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}
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else
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(*new)[i++] = limiter[k++];
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}
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}
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static int ifremove_quote(char **new, char *limiter)
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{
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char c;
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int ret;
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ret = 0;
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if (!ft_strchr(limiter, '\'') && !ft_strchr(limiter, '\"'))
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c = 0;
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else if (!ft_strchr(limiter, '\"'))
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c = '\'';
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else if (!ft_strchr(limiter, '\''))
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c = '\"';
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else if (ft_strchr(limiter, '\'') < ft_strchr(limiter, '\"'))
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c = '\'';
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else
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c = '\"';
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if (c && (ft_strchr(limiter, c) != ft_strrchr(limiter, c)))
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remove_quote(new, limiter, c);
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else
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*new = ft_strdup(limiter);
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if (c)
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ret = 1;
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return (ret);
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}
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void read_hereinput(char *limiter, t_node *lst, t_msh *msh)
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{
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char buf[100000];
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char c;
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int r;
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int i;
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r = 0;
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i = 0;
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ft_fprintf(2, "heredoc> ");
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r = read(0, &c, 1);
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if (r == 0)
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exit_heredoc(limiter, msh, lst);
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while (r && c != '\n' && c != '\0')
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{
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if (c != '\n' && c != '\0')
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buf[i++] = c;
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r = read(0, &c, 1);
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}
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buf[i] = '\0';
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if (ft_strncmp(buf, limiter, -1) == 0)
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end_heredoc(buf, msh, lst, limiter);
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buf[i++] = '\n';
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buf[i] = '\0';
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ft_fprintf(1, "%s", buf);
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}
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void parse_heredoc(char *limiter, t_node *lst, t_msh *msh)
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{
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int fd;
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pid_t pid;
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char *new;
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fd = open(".heredoc", O_WRONLY | O_CREAT | O_APPEND, 0666);
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pid = fork();
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if (pid == 0)
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{
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ifremove_quote(&new, limiter);
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dup2(fd, STDOUT_FILENO);
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close(fd);
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while (1)
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read_hereinput(new, lst, msh);
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}
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else if (pid > 0)
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{
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waitpid(pid, NULL, 0);
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close(fd);
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}
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else
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{
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close(fd);
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perror("fork");
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exit(EXIT_FAILURE);
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}
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}
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void create_heredoc(t_node *lst, t_msh *msh)
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{
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t_node *tmp;
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tmp = lst;
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while (lst)
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{
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if (lst->pressision == HEREDOC && lst->next && lst->next->pressision)
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{
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lst = lst->next;
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parse_heredoc(lst->val, tmp, msh);
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}
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lst = lst->next;
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}
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}
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