minishell/prompt/prompt_input.c
2025-06-04 14:58:04 +02:00

129 lines
4.0 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* prompt_input.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: anarama <anarama@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/07 19:40:20 by vvobis #+# #+# */
/* Updated: 2024/08/27 17:38:01 by vvobis ### ########.fr */
/* */
/* ************************************************************************** */
#include "../minishell.h"
#include <stdbool.h>
#include <stdint.h>
static void handle_accepted_input( t_prompt *prompt, \
uint32_t cursor_position[2], \
char **input, \
char buffer[])
{
bool do_refresh;
do_refresh = true;
if (buffer[0] == ESC)
do_refresh = handle_escape_sequence(prompt, &buffer[1], \
input, cursor_position);
else if (buffer[0] == '\t')
handle_tab(input, prompt);
else if (buffer[0] == DEL)
handle_backspace(*input, cursor_position, \
ft_strlen(*input));
else if (buffer[0] == '\n')
{
handle_new_character_to_input(input, buffer[0], cursor_position, \
ft_strlen(*input));
prompt->prompt_display_func(prompt->prompt);
cursor_position[0]++;
return ;
}
else
handle_single_char_input(input, buffer, cursor_position, &do_refresh);
if (do_refresh == true && g_signal_flag != 2)
prompt_refresh_line(*input, prompt->prompt_length, cursor_position);
}
static bool is_delimiter(char *input, const char *delimiter)
{
char *tmp;
uint32_t delimiter_length;
if (*delimiter == '\n')
return (true);
delimiter_length = ft_strlen(delimiter);
tmp = ft_strrchr(input - (*input == '\n' && ft_strlen(input) > 0), '\n');
if (tmp)
if (tmp++ && ((*tmp == *delimiter && delimiter_length == 1) \
|| ft_strncmp(tmp, delimiter, delimiter_length) == 0))
return (*tmp = 0, true);
if ((*input == *delimiter && delimiter_length == 1) \
|| ft_strncmp(input, delimiter, delimiter_length) == 0)
return (*input = 0, true);
return (false);
}
static char *handle_input( t_prompt *prompt, \
char *input, \
uint32_t cursor_position[2], \
const char *delimiter)
{
char buffer[100];
int64_t bytes_read;
while (1)
{
ft_bzero(buffer, 100);
bytes_read = ft_read(0, buffer, 20);
if (g_signal_flag == 1)
return (ft_putstr_fd("^C\n", 1), NULL);
if (bytes_read > 3)
handle_rapid_input(buffer, cursor_position, &input, \
prompt->prompt_length);
else if (bytes_read >= 1)
{
bytes_read = ft_strlen(buffer);
if (buffer[bytes_read - (bytes_read > 0)] == '\n')
if (is_delimiter(input, delimiter))
break ;
handle_accepted_input(prompt, cursor_position, &input, buffer);
}
if (g_signal_flag == 2)
return (NULL);
}
return (input);
}
static void prompt_handle_history(t_history_buffer *buffer, char *input)
{
buffer->buffer[buffer->write++] = input;
buffer->write %= buffer->buffer_capacity;
buffer->buffer[buffer->write] = 0;
buffer->read = buffer->write;
}
char *prompt_get_input( t_prompt *prompt, \
uint32_t prompt_initial_size, \
const char *delimiter)
{
char *input;
input = ft_calloc(prompt_initial_size, sizeof(*input));
if (!input)
return (perror("malloc"), NULL);
lst_memory(input, free, ADD);
terminal_raw_mode_enable(ECHOCTL | ICANON);
prompt->prompt_display_func(prompt->prompt);
cursor_position_get(prompt->cursor_position);
prompt->cursor_position[1] = 0;
if (!delimiter)
delimiter = "\n";
input = handle_input(prompt, input, prompt->cursor_position, delimiter);
prompt_handle_history(&prompt->history, input);
terminal_raw_mode_disable(ECHO | ECHOCTL | ICANON);
if (!input)
return (NULL);
prompt->command = input;
return (input);
}