123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_parse.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/11/07 13:33:24 by jhalford #+# #+# */
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/* Updated: 2017/03/20 15:55:08 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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static void ft_printf_parse_flags(t_fmt *fmt, char **format)
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{
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int i;
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char *str;
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i = 0;
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str = *format;
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while (str[i])
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{
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if (ft_strchr(ALL_FLAGS, (int)str[i]))
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{
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if (!ft_strchr(fmt->flags, (int)str[i]))
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ft_strncat(fmt->flags, str + i, 1);
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}
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else
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break ;
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i++;
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}
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*format += i;
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}
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static void ft_printf_parse_width(t_fmt *fmt, char **format, va_list ap)
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{
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int i;
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char buf[10];
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char *str;
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i = 0;
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str = *format;
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if (str[i] == '*')
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{
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i++;
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fmt->width = va_arg(ap, int);
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}
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else
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{
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ft_strcpy(buf, "0");
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while (ft_isdigit((int)(str[i])))
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ft_strncat(buf, str + i++, 1);
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fmt->width = ft_atoi(buf);
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}
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*format += i;
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}
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static void ft_printf_parse_precision(t_fmt *fmt, char **format, va_list ap)
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{
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int i;
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char buf[10];
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char *str;
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i = 0;
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str = *format;
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if (str[i] == '.')
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{
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if (str[++i] == '*')
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{
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i++;
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fmt->precision = va_arg(ap, int);
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}
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else
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{
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ft_strcpy(buf, "0");
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while (ft_isdigit(str[i]))
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ft_strncat(buf, str + i++, 1);
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fmt->precision = ft_atoi(buf);
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}
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}
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*format += i;
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}
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static void ft_printf_parse_modifiers(t_fmt *fmt, char **format)
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{
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char *str;
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str = *format;
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if (str[0] == 'h' && str[1] == 'h')
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ft_strcpy(fmt->modifier, "hh");
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else if (str[0] == 'h' && str[1] != 'h')
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ft_strcpy(fmt->modifier, "h");
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else if (str[0] == 'l' && str[1] == 'l')
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ft_strcpy(fmt->modifier, "ll");
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else if (str[0] == 'l' && str[1] != 'l')
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ft_strcpy(fmt->modifier, "l");
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else if (str[0] == 'j')
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ft_strcpy(fmt->modifier, "j");
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else if (str[0] == 'z')
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ft_strcpy(fmt->modifier, "z");
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else
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ft_strcpy(fmt->modifier, "");
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*format += ft_strlen(fmt->modifier);
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}
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t_fmt *ft_printf_parse(char **format, va_list ap)
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{
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t_fmt *fmt;
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fmt = ft_fmt_init();
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ft_printf_parse_flags(fmt, format);
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ft_printf_parse_width(fmt, format, ap);
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ft_printf_parse_precision(fmt, format, ap);
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ft_printf_parse_modifiers(fmt, format);
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fmt->conversion = **format;
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(*format)++;
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ft_fmt_validate_mod(fmt);
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ft_fmt_validate_flags(fmt);
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ft_fmt_simplify(fmt);
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fmt->valid = ft_fmt_validate_conv(fmt) ? 0 : 1;
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return (fmt);
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}
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