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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* m_loop.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 <libft.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include "e_line.h"
#include "m_loop_next.h"
#include "m_prompt.h"
#include "p_line.h"
#include "s_line.h"
#include "u_vars.h"
static void
m_parse_and_run_line(char line[], t_msh *msh)
{
p_line(line, msh);
ft_memdel((void*)&line);
e_line(msh);
s_line_clear(&msh->curr);
}
void
m_dump_hist(t_msh *msh)
{
int32_t fd;
char *histfile_path;
if (ft_strlen(msh->hist) > 0 &&
(histfile_path = u_get_var_value("$HISTFILE", msh)) != NULL)
{
if ((fd = open(histfile_path,
O_WRONLY | O_CREAT | O_APPEND, 0644)) != -1)
{
write(fd, msh->hist, ft_strlen(msh->hist));
close(fd);
}
ft_memdel((void*)&histfile_path);
}
}
static void
m_handle_hist(char line[], t_msh *msh)
{
static uint16_t hist_i = 0;
if (hist_i == 0)
msh->hist[0] = '\0';
ft_strlcpy(msh->hist + ft_strlen(msh->hist), line, 4096);
msh->hist[ft_strlen(msh->hist) + 1] = '\0';
msh->hist[ft_strlen(msh->hist)] = '\n';
hist_i += 1;
if (hist_i == 255)
{
m_dump_hist(msh);
hist_i = 0;
}
}
uint8_t
m_loop(int32_t fd, t_msh *msh)
{
char *line;
int8_t gnl;
msh->fd = fd;
gnl = 1;
while (gnl > 0)
{
if (fd == STDIN_FILENO)
m_prompt_psx(1, msh);
gnl = get_next_line(fd, &line);
if (line[0] != '\0')
{
line = m_check_multi_backslash(fd, line, msh);
line = m_check_multi_pipe(fd, line, msh);
if (fd == STDIN_FILENO)
m_handle_hist(line, msh);
m_parse_and_run_line(line, msh);
/* TODO: (null): Bad address on "msh ~> echo a > asd; cat < asd" but not on "msh ~> echo a > asd; cat asd" */
/* TODO: "msh ~> some command \": re GNL into ft_nrealloc */
/* TODO: a histfile would be nice */
}
else
{
ft_memdel((void*)&line);
}
}
if (fd == STDIN_FILENO)
m_dump_hist(msh);
return (msh->ret);
}
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