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Thomas Rieg 2025-11-28 19:50:58 +01:00
commit 42653de246
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115
libft/ft_printf/ft_case_lowx_bonus.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_case_lowx_bonus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: thrieg <thrieg@student.42mulhouse.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/25 17:09:37 by thrieg #+# #+# */
/* Updated: 2025/02/16 19:07:46 by thrieg ### ########.fr */
/* */
/* ************************************************************************** */
#include "../libft.h"
#include "ft_printf.h"
#include "ft_printf_bonus.h"
int padding_if_needed_before(
t_arglist *arglist,
char caller,
size_t len,
t_vector *vec);
int padding_if_needed_after(
t_arglist *arglist,
char caller,
size_t len,
t_vector *vec);
static int handle_hashtag_prefix(
t_vector *vec,
t_arglist *arglist,
unsigned int nbr,
int flag_zero)
{
if (arglist->flag_hashtag && !flag_zero && nbr != 0)
{
if (!ft_vector_concat(vec, "0x", 2))
return (0);
}
return (1);
}
static int apply_precision_padding(t_vector *vec, size_t *size, int precision)
{
while ((int)(*size)++ < precision)
{
if (!ft_vector_pushback(vec, '0'))
return (0);
}
(*size)--;
return (1);
}
static char *init_str_to_cat(t_arglist *arglist, unsigned int nbr)
{
if (nbr == 0 && arglist->precision == 0)
return (ft_strdup(""));
return (ft_utoa_base(nbr, "0123456789abcdef"));
}
static int handle_padding_and_prefix(
t_vector *vec,
t_arglist *arglist,
size_t size,
unsigned int nbr)
{
if (arglist->flag_hashtag && arglist->flag_zero && nbr != 0)
{
if (!ft_vector_concat(vec, "0x", 2))
return (0);
}
if (((int)size < arglist->precision) && (arglist->precision >= 0))
{
if (padding_if_needed_before(arglist, 'x', arglist->precision
+ (arglist->flag_hashtag * 2 * (nbr != 0)), vec) < 0)
return (0);
if (!handle_hashtag_prefix(vec, arglist, nbr, arglist->flag_zero))
return (0);
}
else
{
if (arglist->flag_hashtag && nbr != 0)
size += 2;
if (padding_if_needed_before(arglist, 'x', size, vec) < 0)
return (0);
if (!handle_hashtag_prefix(vec, arglist, nbr, arglist->flag_zero))
return (0);
}
return (1);
}
int ft_case_x_bonus(t_vector *vec, va_list *args, t_arglist *arglist)
{
char *str_to_cat;
size_t size;
unsigned int nbr;
nbr = va_arg(*args, unsigned int);
str_to_cat = init_str_to_cat(arglist, nbr);
if (!str_to_cat)
return (0);
size = ft_strlen(str_to_cat);
if (!handle_padding_and_prefix(vec, arglist, size, nbr))
return (free(str_to_cat), 0);
if (((int)size < arglist->precision) && (arglist->precision >= 0))
{
if (!apply_precision_padding(vec, &size, arglist->precision))
return (free(str_to_cat), 0);
}
if (!ft_vector_concat(vec, str_to_cat, ft_strlen(str_to_cat)))
return (free(str_to_cat), 0);
free(str_to_cat);
if (padding_if_needed_after(arglist, 'x', size, vec) < 0)
return (0);
return (1);
}