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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* s_lcom.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 <stdlib.h>
#include <stdint.h>
#include "p_lcom.h"
#include "p_lcom_next.h"
#include "s_struct.h"
static int8_t
fill_lcom(char *words[],
t_lcom **lcom)
{
/* TODO: norme */
uint64_t i;
uint64_t j;
i = 0;
if (words[0])
{
if (!((*lcom)->com = (char*)malloc((ft_strlen(words[0]) + 1) *
sizeof(char))))
return (-1);
ft_strlcpy((*lcom)->com, words[0], ft_strlen(words[0]) + 1);
}
else
return (0);
while(words[i])
{
/* TODO: cut fd number "msh ~> echo a 2>file" */
/* ^ */
if (ft_ischarset("<>", words[i][0]))
break ;
i++;
}
if (!((*lcom)->argv = (char**)malloc((i + 1) * sizeof(char*))))
return (-1);
j = 0;
while (i > 0 && j < i)
{
if (!((*lcom)->argv[j] = ft_strdup(words[j])))
return (-1);
j++;
}
(*lcom)->argv[j] = 0;
return (0);
}
t_lcom
*lcom_last(t_lcom *lcom)
{
while (lcom->next != NULL)
lcom = lcom->next;
return (lcom);
}
void
lcom_add_back(t_lcom **alcom,
t_lcom *new)
{
t_lcom *tmp;
if (!*alcom)
*alcom = new;
else
{
tmp = lcom_last(*alcom);
tmp->next = new;
}
}
void
lcom_clear(t_lcom **lcom)
{
t_lcom *tmp;
t_lcom *renext;
if (!lcom)
return ;
tmp = *lcom;
while (tmp)
{
renext = tmp->next;
ft_memdel((void*)&tmp->com);
if (tmp->argv)
ft_delwords(tmp->argv);
if (tmp->redir != 0)
ft_memdel((void*)&tmp->rdrpath);
ft_memdel((void*)&tmp);
tmp = renext;
}
*lcom = NULL;
}
t_lcom
*lcom_new(const char word[],
t_msh *msh)
{
/* TODO: norme */
t_lcom *link;
char **words;
if (!(link = (t_lcom*)malloc(sizeof(t_lcom))))
return (NULL);
link->redir = 0;
link->com = NULL;
link->argv = NULL;
link->rdrfd = 0;
link->rdrpath = NULL;
link->pipes = NULL;
if (!word)
{
link->next = NULL;
return (link);
}
link->pipes = NULL;
if (get_redir(word, &link) != 0)
return (NULL);
if (!(words = p_subst_args(word, link->redir)))
return (NULL);
if (!(words = p_subst_vars(words, msh)))
return (NULL);
words = p_check_args_equals(words, msh);
if (fill_lcom(words, &link) < 0)
{
ft_delwords(words);
return (NULL);
}
link->next = NULL;
if (words[0] != NULL)
ft_delwords(words);
return (link);
}
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