114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* readline.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: gwojda <gwojda@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/12/15 14:19:48 by gwojda #+# #+# */
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/* Updated: 2017/03/03 18:29:03 by wescande ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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void ft_init_line(void)
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{
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data_singleton()->line.input = NULL;
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data_singleton()->line.copy_tmp = NULL;
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data_singleton()->line.pos = 0;
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data_singleton()->line.prompt_size = 0;
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data_singleton()->line.list_size = 0;
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data_singleton()->line.list_end = NULL;
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data_singleton()->line.list_beg = NULL;
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data_singleton()->line.opt = 0;
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}
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void ft_init_history(void)
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{
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int fd;
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char *str;
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char *home;
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char *path;
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if (!(home = ft_getenv(data_singleton()->env, "HOME")))
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return ;
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path = ft_str3join(home, "/", ".42sh_history");
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fd = open(path, O_RDONLY);
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if (fd == -1)
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return ;
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while (get_next_line(fd, &str) > 0)
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{
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ft_push_back_history(&data_singleton()->line.list_beg,
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ft_create_history_list(str));
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free(str);
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}
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free(path);
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free(str);
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close(fd);
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}
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struct termios *ft_save_termios(int save)
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{
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static struct termios *term_save = NULL;
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if (save < 0)
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{
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free(term_save);
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return (NULL);
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}
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if (save > 0)
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{
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term_save = (struct termios *)malloc(sizeof(struct termios));
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tcgetattr(0, term_save);
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}
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return (term_save);
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}
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void ft_init_termios(void)
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{
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struct termios term;
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tcgetattr(0, &term);
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term.c_lflag &= ~(ECHO | ICANON | ISIG);
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term.c_cc[VMIN] = 1;
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term.c_cc[VTIME] = 0;
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tcsetattr(0, TCSANOW, &term);
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}
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void readline_init(int prompt)
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{
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static int beg = 0;
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if (!beg)
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{
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ft_init_line();
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ft_init_history();
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ft_save_termios(1);
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beg = 1;
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}
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ft_init_termios();
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if (STR)
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ft_strdel(&STR);
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data_singleton()->line.list_cur = data_singleton()->line.list_beg;
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POS = 0;
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prompt ? ft_putstr("> ") : ft_prompt();
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}
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int readline(int fd, int prompt, char **input)
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{
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if (!SH_IS_INTERACTIVE(data_singleton()->opts))
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{
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if (get_next_line(fd, input) == 0)
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return (1);
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return (0);
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}
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readline_init(prompt);
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*input = ft_read_stdin();
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ft_putchar('\n');
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if (!prompt)
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*input = ft_history_parsing();
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if (tcsetattr(0, TCSANOW, ft_save_termios(0)) == -1)
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return (-1);
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return (0);
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}
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