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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_p_lcom_next.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 "ft_s_struct.h"
#include "ft_u_vars.h"
static int8_t
ft_subst_those_vars(int64_t i,
char **p_words,
t_msh *msh)
{
size_t varlen;
char *s_varname;
char *varval;
varval = NULL;
s_varname = NULL;
varlen = i + 1;
while ((*p_words)[varlen] != '\0' &&
!ft_ischarset("$=/#@%^*+{}[],.?-", (*p_words)[varlen]))
varlen += 1;
if (!(s_varname = ft_substr(*p_words, (uint32_t)i, varlen - i)))
return (-1);
varval = ft_subst_var_value(s_varname, msh);
*p_words = ft_strsubst(*p_words, s_varname, varval);
ft_memdel((void*)&s_varname);
ft_memdel((void*)&varval);
return (0);
}
char
**ft_subst_vars(char *words[],
t_msh *msh)
{
char **p_words;
int64_t i;
p_words = words;
i = 0;
while (*p_words)
{
while ((i = ft_strlchr((*p_words), '$')) != -1)
{
if (*(*p_words) + i - 1 != '\\')
{
if (ft_subst_those_vars(i, p_words, msh) != 0)
return (NULL);
}
}
p_words += 1;
}
return (words);
}
char
**ft_subst_args(const char word[],
int8_t redir)
{
char **words;
char *subst;
size_t i;
if (redir == 0)
{
if (!(words = ft_split(word, ' ')))
return (NULL);
return (words);
}
i = 0;
while (word[i] && !ft_ischarset("<>", word[i]))
i++;
while (redir > 0 && ft_isdigit(word[i]))
i--;
if (!(subst = ft_substr(word, 0, i)))
return (NULL);
if (!(words = ft_split(subst, ' ')))
{
ft_memdel((void*)&subst);
return (NULL);
}
ft_memdel((void*)&subst);
return (words);
}
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