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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* printer.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/28 23:19:24 by cacharle #+# #+# */
/* Updated: 2019/11/14 10:22:04 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include "libft.h"
#include "ft_vasprintf.h"
char *convert(t_pformat *pformat, va_list ap)
{
char *str;
if (pformat == NULL)
return (NULL);
if (pformat->flags & FLAG_WIDTH_WILDCARD)
{
if (pformat->flags & FLAG_WIDTH_OVERWRITE)
(void)va_arg(ap, int);
else
pformat->width = va_arg(ap, int);
if (pformat->width < 0)
{
pformat->flags |= FLAG_MINUS;
pformat->width *= -1;
}
}
if (pformat->flags & FLAG_PRECISION_WILDCARD)
pformat->precision = va_arg(ap, int);
if ((str = convert_specifier(ap, pformat)) == NULL)
return (NULL);
return (str);
}
char *convert_specifier(va_list ap, t_pformat *pformat)
{
if (pformat->specifier == 'c')
return (convert_char(ap, pformat));
if (pformat->specifier == 's')
return (convert_str(ap, pformat));
if (pformat->specifier == 'p')
return (convert_ptr(ap, pformat));
if (pformat->specifier == 'd' || pformat->specifier == 'i')
return (convert_int(ap, pformat));
if (pformat->specifier == 'u')
return (convert_uint(ap, pformat));
if (pformat->specifier == 'x')
return (convert_hex(ap, pformat));
if (pformat->specifier == 'X')
return (convert_hex(ap, pformat));
if (pformat->specifier == '%')
return (convert_percent(ap, pformat));
if (pformat->specifier == 'n')
return (convert_written(ap, pformat));
else
return (convert_none(ap, pformat));
return (NULL);
}
char *handle_width(t_pformat *pformat, char *str)
{
char *tmp;
int len;
int i;
if ((len = ft_strlen(str)) >= pformat->width)
return (str);
if ((tmp = (char*)malloc(sizeof(char) * (pformat->width + 1))) == NULL)
return (NULL);
if (pformat->flags & FLAG_MINUS)
{
i = len;
ft_strcpy(tmp, str);
while (i < pformat->width)
tmp[i++] = ' ';
tmp[i] = 0;
}
else
{
i = 0;
while (i <= pformat->width - len)
tmp[i++] = pformat->flags & FLAG_ZERO ? '0' : ' ';
ft_strcpy(tmp + i - 1, str);
}
free(str);
return (tmp);
}
char *handle_precision(t_pformat *pformat, char *str)
{
int len;
char *tmp;
if (pformat == NULL || str == NULL)
return (NULL);
if (ft_strchr("diuxX", pformat->specifier) && pformat->precision >= 0)
pformat->flags &= ~FLAG_ZERO;
len = ft_strlen(str);
if (pformat->precision == 0 && str[0] == '0')
{
free(str);
return (ft_strdup(""));
}
if (!ft_strchr("diuxXp", pformat->specifier) || len >= pformat->precision)
return (str);
if ((tmp = (char*)malloc(sizeof(char) * (pformat->precision + 1))) == NULL)
return (NULL);
ft_strcpy(tmp + pformat->precision - len, str);
while (pformat->precision-- > len)
tmp[pformat->precision - len] = '0';
free(str);
return (tmp);
}
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