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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parse.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/29 00:11:33 by cacharle #+# #+# */
/* Updated: 2019/11/13 08:13:02 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_vasprintf.h"
int parse(const char *format, t_flist **flist)
{
t_flist *tmp;
t_pformat *parsed;
*flist = NULL;
while (*format)
{
format++;
if (format[-1] != '%')
continue;
if ((parsed = parse_reduced(format)) == NULL)
return ((int)list_destroy(flist));
if ((tmp = list_new(parsed)) == NULL)
return ((int)list_destroy(flist));
list_push_front(flist, tmp);
format += (*flist)->content->fmt_len;
}
*flist = list_reverse(*flist);
return (1);
}
t_pformat *parse_reduced(const char *fmt)
{
t_pformat *pformat;
const char *start;
if ((pformat = (t_pformat*)malloc(sizeof(t_pformat))) == NULL)
return (NULL);
pformat->precision = -1;
pformat->width = -1;
pformat->flags = 0;
start = fmt;
fmt = extract_flags(pformat, fmt);
fmt = extract_width(pformat, fmt);
fmt = extract_precision(pformat, fmt);
fmt = extract_length_modifier(pformat, fmt);
pformat->fmt_len = fmt - start + 1;
if (*fmt == '\0' || ft_strchr(SPECIFIERS_STR, *fmt) == NULL)
{
pformat->fmt_len--;
pformat->specifier = '_';
}
else
pformat->specifier = *ft_strchr(SPECIFIERS_STR, *fmt);
return (pformat);
}
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