/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_vprintf.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/03/20 15:52:57 by jhalford          #+#    #+#             */
/*   Updated: 2017/03/21 16:34:06 by jhalford         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

t_conv	g_convs[] =
{
	{'d', "0- +", "0123456789", &ft_signed_conversion, NULL},
	{'i', "0- +", "0123456789", &ft_signed_conversion, NULL},
	{'u', "0-", "0123456789", &ft_unsigned_conversion, NULL},
	{'o', "#0-", "01234567", &ft_unsigned_conversion, &ft_pad_sharp_o},
	{'x', "#0-", "0123456789abcdef", &ft_unsigned_conversion, &ft_pad_sharp_xb},
	{'X', "#0-", "0123456789ABCDEF", &ft_unsigned_conversion, &ft_pad_sharp_xb},
	{'b', "#0-", "01", &ft_unsigned_conversion, &ft_pad_sharp_xb},
	{'s', "-", "", &ft_str_conversion, NULL},
	{'c', "-", "", &ft_char_conversion, NULL},
};

int	ft_vdprintf(int fd, const char *format, va_list ap)
{
	char	*ret;
	char	size;

	ret = NULL;
	size = ft_vasprintf(&ret, format, ap);
	if (size != -1)
		ft_putstr_fd(ret, fd);
	ft_strdel(&ret);
	return (size);
}

int	ft_vasprintf(char **ret, const char *format, va_list ap)
{
	char	*str;
	char	*tmp;
	char	*final;

	str = (char *)format;
	final = ft_strnew(1);
	while (*str)
	{
		tmp = final;
		if (*str == '{')
			ft_printf_color(&final, &str, ap);
		else if (*str == '%')
		{
			if (ft_fmtcalc(&final, &str, ap))
				return (-1);
		}
		else if (!(final = ft_strjoin(final, (char[]){*str++, 0})))
				return (-1);
		ft_strdel(&tmp);
	}
	*ret = final;
	return (ft_strlen(final));
}

int	ft_fmtcalc(char **final, char **str, va_list ap)
{
	t_fmt	*fmt;
	char	*transform;

	*str += 1;
	if (!(fmt = ft_printf_parse(str, ap)))
		return (1);
	if (!fmt->valid)
		ft_strncat(*final, &fmt->conversion, 1);
	else
	{
		transform = ft_transform(fmt, ap);
		*final = ft_strjoin(*final, transform);
		ft_strdel(&transform);
	}
	free(fmt);
	return (0);
}