mirror of
https://codeberg.org/la-chouette/minishell.git
synced 2025-12-06 07:28:09 +01:00
Khaïs COLIN
6576c47b56
Execution starts out being enabled. But it can be toggled on and off by using the .exec command.
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* get_command.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: khais <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/02/19 18:03:11 by khais #+# #+# */
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/* Updated: 2025/04/09 14:03:39 by khais ### ########.fr */
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/* */
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/* ************************************************************************** */
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// stdio must be included before readline
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#include <stdio.h>
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#include <readline/history.h>
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#include <readline/readline.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "libft.h"
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#include "get_command.h"
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/*
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** remove one '\n' from the end of the string, if it exists
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*/
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static char *strip_newline(char *str)
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{
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size_t last_char_idx;
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if (str == NULL)
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return (NULL);
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last_char_idx = ft_strlen(str) - 1;
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if (str[last_char_idx] == '\n')
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str[last_char_idx] = '\0';
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return (str);
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}
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static char *handle_special_command(char *line, t_minishell *app)
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{
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if (line == NULL)
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return (NULL);
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if (ft_strcmp(".debug", line) == 0)
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{
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app->debug = !app->debug;
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ft_printf("[dbg: %d]\n", (int)app->debug);
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line[0] = '\0';
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}
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if (ft_strcmp(".exec", line) == 0)
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{
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app->exec = !app->exec;
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ft_printf("[exec: %d]\n", (int)app->exec);
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line[0] = '\0';
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}
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return (line);
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}
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/*
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** get a command line using readline.
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**
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** returned buffer must be freed by caller.
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** will add command to history if appropriate.
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**
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** Also handles special commands, which are not further processed.
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*/
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char *get_command(t_minishell *app)
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{
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char *line;
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if (isatty(STDIN_FILENO))
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line = readline("$ ");
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else
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line = strip_newline(get_next_line(STDIN_FILENO));
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if (line != NULL && line[0] != '\0')
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add_history(line);
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return (handle_special_command(line, app));
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}
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