ft_printf/srcs/pf_getflags.c
2019-02-11 14:06:37 +01:00

74 lines
2.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* pf_getflags.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/02/07 14:14:38 by tmaze #+# #+# */
/* Updated: 2019/02/11 11:34:27 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
#include "libftprintf.h"
void pf_initflags(t_flags *flags)
{
flags->convtype = none;
flags->minus = '\0';
flags->sign = '\0';
flags->hash = '\0';
flags->width = 0;
flags->precision = 0;
flags->size = '\0';
}
void pf_putflags(t_flags *flags)
{
printf("--- putflags ---\nconvtype-> %d\nminus-> %c\nsign-> %c\nhash-> %c\nwidth-> %d\nprecision-> %d\nsize-> %c\nbuffer-> '%s'\n", flags->convtype, flags->minus, flags->sign, flags->hash, flags->width, flags->precision, flags->size, flags->buffer);
}
size_t pf_getflags(const char *format, t_flags *flags)
{
size_t i;
size_t j;
static char convs[12] = "%cspdiouxXf\0";
pf_initflags(flags);
i = 0;
while (format[++i] && pf_strchr(convs, format[i]) == NULL)
{
if (format[i] == '-')
flags->minus = '-';
if (format[i] == '#')
flags->hash = '#';
if (format[i] == ' ' || format[i] == '+')
flags->sign = format[i];
if (pf_isdigit(format[i])
|| (format[i] == '.' && pf_isdigit(format[i + 1])))
{
if (pf_isdigit(format[i]))
flags->width = pf_atoi(&format[i]);
else
flags->precision = pf_atoi(&format[i + 1]);
while (format[i + 1] && pf_isdigit(format[i + 1]))
i++;
continue ;
}
if (format[i] == 'h' || format[i] == 'l')
{
flags->size = format[i];
if (format[i + 1] && format[i + 1] == format[i])
flags->size = pf_toupper(format[++i]);
}
}
j = 0;
while (convs[j])
{
if (format[i] == convs[j])
flags->convtype = j;
j++;
}
return (i + 1);
}