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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* u_init.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
#include <libft.h>
#include <signal.h>
#include <string.h>
#include <term.h>
#include "b_exit.h"
#include "c_ctrls.h"
#include "c_init.h"
#include "c_keys.h"
#include "c_utils_next.h"
#include "c_input.h"
#include "c_utils.h"
#include "d_define.h"
#include "m_prompt.h"
#include "s_struct.h"
#include "s_com.h"
#include "s_line.h"
short
c_set_term_raw(char mode)
{
struct termios tios;
ft_memset(&tios, 0, sizeof(tios));
tcgetattr(STDIN_FILENO, &tios);
if (mode)
{
tios.c_lflag &= ~(ECHO | ICANON | ISIG);
tios.c_oflag &= ~(OPOST);
tios.c_cc[VMIN] = 1;
tios.c_cc[VTIME] = 0;
}
else
{
tios.c_lflag |= (ECHO | ICANON | ISIG);
tios.c_oflag |= (OPOST);
}
tcsetattr(STDIN_FILENO, TCSAFLUSH, &tios);
mode ? tputs(tgetstr("ns", NULL), 1, ft_putchar) : 0;
return (1);
}
static short
c_read_cap(char *buf, char *line, t_caps *tcaps, t_msh *msh)
{
if (((*((unsigned int *)buf)) == LEFT_K) ||
((*((unsigned int *)buf)) == CTRL_B))
return (c_key_left(tcaps->plen, tcaps));
else if (((*((unsigned int *)buf)) == RIGHT_K) ||
((*((unsigned int *)buf)) == CTRL_F))
return (c_key_right(ft_strlen(line), tcaps->plen, tcaps));
else if (((*((unsigned int *)buf)) == HOME_K) ||
((*((unsigned int *)buf)) == CTRL_A))
return (c_home_key(tcaps->plen, tcaps));
else if (((*((unsigned int *)buf)) == END_K) ||
((*((unsigned int *)buf)) == CTRL_E))
return (c_end_key(ft_strlen(line), tcaps->plen, tcaps));
else if ((*((unsigned int *)buf)) == CTRL_L)
return (c_ctrl_l(line, tcaps, msh));
else if ((*((unsigned int *)buf)) == CTRL_D &&
line[0] == '\0')
return (c_ctrl_d(msh));
return (0);
}
char
*c_set_ptr(t_bool reset, char key, t_msh *msh)
{
static char *p = NULL;
static char *context = NULL;
static t_bool sw = FALSE;
if (reset == TRUE)
{
p = msh->curr_hist_ptr + ft_strlen(msh->curr_hist_ptr);
context = msh->curr_hist_ptr;
return (NULL);
}
if (key == -1 && context == msh->curr_hist_ptr
&& p - context == 0 && msh->prev_hist != NULL)
{
p = msh->prev_hist + ft_strlen(msh->prev_hist);
context = msh->prev_hist;
}
if (key == 1 && context == msh->prev_hist
&& p == ft_strrnchr(msh->prev_hist, '\n', 2) + 1)
{
p = msh->curr_hist_ptr;
context = msh->curr_hist_ptr;
sw = TRUE;
}
if ((key == -1 && p - context != 0) || key == 1)
{
p += (key == -1) ? (2 * key) : (0);
while (sw == FALSE && ((key == -1 && p - context != 0) || key == 1)
&& *p != C_LF && *p != C_NUL)
p += key;
if (sw == TRUE)
sw = FALSE;
if (p - context != 0 && *p != C_NUL)
p += 1;
}
return (p);
}
static char
*c_process_key(char **line, char *buf, t_caps *tcaps, t_msh *msh)
{
if (ft_isprint(buf[0]))
c_add_char(line, buf, tcaps);
else if (((*((unsigned int *)buf)) == UP_K) ||
((*((unsigned int *)buf)) == CTRL_P) ||
((*((unsigned int *)buf)) == DOWN_K) ||
((*((unsigned int *)buf)) == CTRL_N))
{
tcaps->key = c_set_key(buf);
c_key_up_down(line, tcaps, msh);
}
else if ((*((unsigned int *)buf)) == DEL_K)
{
c_back_slash(line, tcaps->plen, tcaps);
if ((((tcaps->cpos) + tcaps->plen) %
tcaps->ws.ws_col) == 0)
return (NULL);
c_redraw_line(*line, tcaps);
}
else if ((*((unsigned int *)buf)) == CTRL_C)
return (c_ctrl_c(line, buf, msh));
else
c_read_cap(buf, *line, tcaps, msh);
return ((buf[0] == '\n') ? c_new_line(tcaps) : NULL);
}
short
c_gnl(int fd, char **line, char psx, t_msh *msh)
{
t_caps tcaps;
char nread[4];
c_init_line(psx, &tcaps);
tputs(tgetstr("cr", NULL), 1, ft_putchar);
m_prompt_psx(psx, msh);
ft_bzero(nread, 4);
msh->sig = 0;
tcaps.plen = (unsigned int)m_plen(msh->ps[psx - 1]);
*line = NULL;
if (*line == NULL)
if (!(*line = ft_calloc(sizeof(char), 1)))
return (-1);
if (!(c_get_win_size(&tcaps.ws)))
return (-1);
while (!(ft_strchr(nread, '\n')))
{
ft_bzero(nread, 4);
if (!(read(fd, nread, 3)))
return (0);
else
c_process_key(line, nread, &tcaps, msh);
tputs(tgetstr("ve", NULL), 1, ft_putchar);
}
return (1);
}
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