117 lines
2.5 KiB
C
117 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_parser.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mdenys <mdenys@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2020/11/23 18:47:42 by mdenys #+# #+# */
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/* Updated: 2020/12/16 05:50:42 by mdenys ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../ft_printf.h"
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void szero(t_printf *params)
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{
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params->is_left = 0;
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params->is_prec = 0;
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params->is_zero = 0;
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params->prec = 0;
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params->rec_prec = 0;
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params->to_up = 0;
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params->wh = 0;
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params->v_min = 0;
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params->count = 0;
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}
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int ft_parser(char **str, va_list *arg)
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{
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t_printf params;
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int result;
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result = 0;
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szero(¶ms);
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if (**str == '%')
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{
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result += write(1, "%", 1);
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(*str) += 1;
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return (result);
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}
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while (**str)
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{
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if (is_flag(str, ¶ms))
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continue ;
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else if (is_star(str, arg, ¶ms))
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continue ;
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else if (is_digit(str, ¶ms))
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continue ;
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else if (is_type(str, &result, arg, ¶ms))
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break ;
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else
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(*str) += 1 && result++;
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}
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return (result);
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}
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int is_flag(char **str, t_printf *params)
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{
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int result;
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result = 0;
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if (**str == '-' && ++result)
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{
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if (params->rec_prec)
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{
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params->is_prec = 0;
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params->rec_prec = 0;
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}
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params->is_left = 1;
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}
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else if (**str == '.' && ++result)
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{
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params->prec = 0;
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params->is_prec = 1;
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params->rec_prec = 1;
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}
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(*str) += result;
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return (result);
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}
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void is_star2(int *value, t_printf *params)
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{
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if (params->rec_prec)
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{
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if (*value < 0)
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params->is_prec = 0;
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else
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params->prec = *value;
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params->rec_prec = 0;
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}
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else
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{
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if (*value < 0)
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{
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params->is_left = 1;
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params->wh = *value * -1;
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}
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else
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params->wh = *value;
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}
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}
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int is_star(char **str, va_list *arg, t_printf *params)
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{
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int result;
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int value;
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result = 0;
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if (**str == '*' && ++result)
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{
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value = va_arg(*arg, int);
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is_star2(&value, params);
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}
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(*str) += result;
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return (result);
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}
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