Projet de l'école 42 : Printf
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_print_opts.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/11 08:05:56 by narnaud #+# #+# */
/* Updated: 2023/04/11 08:05:58 by narnaud ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
char *zero_fill(char *nbr, t_opts *opts)
{
int len;
char *fill;
fill = NULL;
if (opts->zero)
len = opts->width - ft_strlen(nbr);
else if (opts->dot)
len = opts->precision - ft_strlen(nbr);
else
return (NULL);
if (len < 0 || (opts->zero && len == 0))
return (NULL);
if ((nbr[0] == '-' || nbr[0] == '+' || nbr[0] == ' ') && opts->dot)
fill = ft_strnew(len + 1, '0');
else
fill = ft_strnew(len, '0');
if (nbr[0] == '-' || nbr[0] == '+' || nbr[0] == ' ')
{
fill[0] = nbr[0];
nbr[0] = '0';
}
return (fill);
}
char *int_opts_transform(int n, char *nbr, t_opts *opts)
{
if (opts->plus && n >= 0)
nbr = ft_strjoin("+", nbr);
else if (opts->space && n >= 0)
nbr = ft_strjoin(" ", nbr);
else if (opts->precision == 0 && opts->dot && n == 0 && opts->len)
nbr = ft_strdup("");
else
nbr = ft_strdup(nbr);
if (opts->precision > 0)
nbr = ft_append(zero_fill(nbr, opts), nbr);
else if (opts->zero && !opts->dot)
nbr = ft_append(zero_fill(nbr, opts), nbr);
return (nbr);
}
char *uint_opts_transform(unsigned int n, char *nbr, t_opts *opts)
{
if (opts->plus)
nbr = ft_strjoin("+", nbr);
else if (opts->space)
nbr = ft_strjoin(" ", nbr);
else if (opts->precision == 0 && opts->dot && n == 0 && opts->len)
nbr = ft_strdup("");
else
nbr = ft_strdup(nbr);
if (opts->precision > 0)
nbr = ft_append(zero_fill(nbr, opts), nbr);
else if (opts->zero && !opts->dot)
nbr = ft_append(zero_fill(nbr, opts), nbr);
return (nbr);
}
char *ptr_opts_transform(char *nbr, t_opts *opts)
{
if (opts->plus)
nbr = ft_strjoin("+", nbr);
else if (opts->space)
nbr = ft_strjoin(" ", nbr);
else if (opts->precision == 0 && opts->dot && opts->len)
nbr = ft_strdup("");
else
nbr = ft_strdup(nbr);
if (opts->precision > 0)
nbr = ft_append(zero_fill(nbr, opts), nbr);
else if (opts->zero && !opts->dot)
nbr = ft_append(zero_fill(nbr, opts), nbr);
return (nbr);
}
char *str_opts_transform(char *str, t_opts *opts)
{
int len;
char *tmp;
char *sub;
tmp = NULL;
sub = NULL;
if (opts->dot)
sub = ft_substr(str, 0, opts->precision);
if (sub)
str = sub;
len = opts->width - (int)ft_strlen(str);
tmp = ft_strnew(len, ' ');
if (!opts->minus && len > 0)
str = ft_strjoin(tmp, str);
else if (opts->minus && len > 0)
str = ft_strjoin(str, tmp);
else
str = ft_strdup(str);
if (tmp)
free(tmp);
if (sub)
free(sub);
return (str);
}