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Thomas Rieg 2025-11-28 19:50:58 +01:00
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104
libft/ft_printf/ft_arglist_bonus.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_arglist_bonus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: thrieg <thrieg@student.42mulhouse.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/27 17:04:47 by thrieg #+# #+# */
/* Updated: 2025/02/16 19:07:39 by thrieg ### ########.fr */
/* */
/* ************************************************************************** */
#include "../libft.h"
#include "ft_printf.h"
#include "ft_printf_bonus.h"
static void ft_set_default_flag_values(t_arglist *arglist)
{
arglist->width_mini = 0;
arglist->precision = -1;
arglist->flag_hashtag = 0;
arglist->flag_zero = 0;
arglist->flag_justified_left = 0;
arglist->flag_space = 0;
arglist->flag_plus = 0;
}
static void ft_handle_overriding_arguments(t_arglist *arglist)
{
if ((arglist->precision >= 0) || arglist->flag_justified_left)
arglist->flag_zero = 0;
if (arglist->flag_plus)
arglist->flag_space = 0;
}
static void ft_handle_width_precision(
t_arglist *arglist,
int *i,
const char *str,
va_list *args)
{
if (ft_isdigit(str[*i]))
{
arglist->width_mini = ft_atoi(&str[*i], NULL);
while (ft_isdigit(str[*i]))
(*i)++;
}
else if (str[*i] == '*')
{
arglist->width_mini = va_arg(*args, int);
(*i)++;
}
if (str[*i] == '.')
{
(*i)++;
if (str[*i] == '*')
{
arglist->precision = va_arg(*args, int);
(*i)++;
}
else
arglist->precision = ft_atoi(&str[*i], NULL);
while (ft_isdigit(str[*i]))
(*i)++;
}
}
static void ft_handle_flags(t_arglist *arglist, int *i, const char *str)
{
while (str[*i] == '#' || str[*i] == '0' || str[*i] == '-'
|| str[*i] == ' ' || str[*i] == '+')
{
if (str[*i] == '#')
arglist->flag_hashtag = 1;
if (str[*i] == '0')
arglist->flag_zero = 1;
if (str[*i] == '-')
arglist->flag_justified_left = 1;
if (str[*i] == ' ')
arglist->flag_space = 1;
if (str[*i] == '+')
arglist->flag_plus = 1;
(*i)++;
}
}
t_arglist *ft_create_arglist(const char *str, va_list *args)
{
t_arglist *arglist;
int i;
arglist = malloc(sizeof(t_arglist));
if (!arglist)
return (NULL);
ft_set_default_flag_values(arglist);
i = 0;
if (str[i] == '%')
i++;
ft_handle_flags(arglist, &i, str);
ft_handle_width_precision(arglist, &i, str, args);
arglist->size_of_argument_string = i;
ft_handle_overriding_arguments(arglist);
return (arglist);
}