90 lines
2.6 KiB
C
Executable File
90 lines
2.6 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_parse_arg.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/03 11:43:10 by tomoron #+# #+# */
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/* Updated: 2023/11/15 14:32:59 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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int ft_is_char_in_flags(char *s, char c)
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{
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int i;
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i = 0;
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while (s[i] == '-' || s[i] == '0' || s[i] == '#'
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|| s[i] == ' ' || s[i] == '+')
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{
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if (s[i] == c)
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return (1);
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i++;
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}
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return (0);
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}
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void ft_get_width_precision(char **s, va_list args, t_flags *flags, int *err)
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{
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if (**s == '*')
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flags->min_width = va_arg(args, int);
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else
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flags->min_width = ft_protected_atoi(*s);
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while (ft_isdigit(**s) || **s == '*')
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(*s)++;
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flags->precision = -1;
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if (**s == '.' && *(*s + 1) == '*')
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flags->precision = va_arg(args, int);
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else if (**s == '.')
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{
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if (ft_isdigit(*(*s + 1)))
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flags->precision = ft_protected_atoi(*s + 1);
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else
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flags->precision = 0;
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(*s)++;
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}
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while (ft_isdigit(**s) || **s == '.' || **s == '*')
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(*s)++;
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if (flags->min_width == -2 || flags->precision == -2)
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*err = 3;
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}
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void ft_get_flags(char **s, va_list args, t_flags *flags, int *err)
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{
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flags->left_justify = ft_is_char_in_flags(*s, '-');
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flags->zero_padding = ft_is_char_in_flags(*s, '0');
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flags->always_sign_number = ft_is_char_in_flags(*s, '+');
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flags->blank_positive = ft_is_char_in_flags(*s, ' ');
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flags->zero_x_prefix = ft_is_char_in_flags(*s, '#');
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while (**s == '-' || **s == '0' || **s == '#'
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|| **s == ' ' || **s == '+')
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{
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(*s)++;
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}
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return (ft_get_width_precision(s, args, flags, err));
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}
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size_t ft_parse_arg(char **s, va_list args, int *err)
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{
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t_flags flags;
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size_t res;
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res = 0;
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if (**s == '%')
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{
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(*s)++;
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ft_get_flags(s, args, &flags, err);
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if (*err == 3)
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return (0);
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res += ft_convert(*s, flags, args, *err);
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if (**s == 'c' || **s == 's' || **s == 'p' || **s == 'd'
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|| **s == 'i' || **s == 'u' || **s == 'x'
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|| **s == 'X' || **s == '%')
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(*s)++;
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}
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return (res);
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}
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