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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parse.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/29 00:11:33 by cacharle #+# #+# */
/* Updated: 2019/10/30 03:41:02 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
#include "header.h"
#define STRRCHR_CONVERSIONS(c) (ft_strrchr(CONVERSIONS_STR, c))
/*
** %(?:\d+\$)?[-]?(?:[0]|'.{1})?-?\d*(?:\.\d+)?[cdusxX]
*/
int parse(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 (list_destroy(flist));
if ((tmp = list_new(parsed)) == NULL)
return (list_destroy(flist));
list_push_front(flist, tmp);
format += (*flist)->content->len;
}
*flist = list_reverse(*flist);
return (1);
}
t_pformat *parse_reduced(char *fmt)
{
t_pformat *pformat;
int i;
char *start;
i = 0;
while (strrchr_index(CONVERSIONS_STR, fmt[i]) == -1)
i++;
if ((start = ft_strndup(fmt, i + 1)) == NULL)
return (NULL);
if ((pformat = (t_pformat*)malloc(sizeof(t_pformat))) == NULL)
return (NULL);
fmt = start;
pformat->precision = -1;
pformat->min_width = -1;
pformat->flags = 0;
pformat->len = ft_strlen(fmt);
pformat->type = fmt[pformat->len - 1];
fmt[pformat->len - 1] = '\0';
fmt = extract_standalone_flags(pformat, fmt);
fmt = extract_min_width(pformat, fmt);
fmt = extract_precision(pformat, fmt);
extract_length_modifier(pformat, fmt);
free(start);
return (pformat);
}
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