ft_printf_bonus.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_printf_bonus.c                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmendes- <tmendes-@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/06/26 13:31:44 by tmendes-          #+#    #+#             */
/*   Updated: 2020/08/07 08:15:21 by tmendes-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libftprintf_bonus.h"

static char			*str_srch(char *begin, char *set)
{
	int		i;
	char	*conv;

	i = 0;
	while (*(begin + i))
	{
		conv = ft_strchr(set, *(begin + i));
		if (conv)
			return (begin + i);
		i++;
	}
	return (NULL);
}

static t_printf		ptf_loop(t_printf ptf, va_list ap)
{
	*ptf.begin = 0;
	ptf.begin++;
	if (!(ptf.final = ft_concat(ptf.final, ptf.ptr)) ||
	!(ptf.end = str_srch(ptf.begin, "cspdiuxX%nfgeo")))
	{
		ptf.rtrn = -1;
		return (ptf);
	}
	ptf = format_txt(ptf, ap);
	if (!(ptf.final = ft_concat(ptf.final, ptf.txt)) ||
	!(ptf.ptr = ft_memmove(ptf.ptr, (ptf.end + 1),
	ft_strlen(ptf.end + 1) + 1)))
	{
		ptf.rtrn = -1;
		return (ptf);
	}
	free(ptf.txt);
	ptf.txt = NULL;
	return (ptf);
}

static t_printf		printf_str(const char *format, t_printf ptf, va_list ap)
{
	ptf.ptr = ft_strdup(format);
	ptf.final = ft_strdup("");
	while (ft_strlen(ptf.ptr))
	{
		if ((ptf.begin = ft_strchr(ptf.ptr, '%')))
			ptf = ptf_loop(ptf, ap);
		else
		{
			ptf.final = ft_concat(ptf.final, ptf.ptr);
			*ptf.ptr = 0;
		}
	}
	return (ptf);
}

static t_printf		write_ptf(t_printf ptf)
{
	int	k;

	ptf.len = ft_strlen(ptf.final);
	if (ptf.pstn)
	{
		k = 0;
		while (*(ptf.pstn + k) != -1)
		{
			ptf.final[*(ptf.pstn + k)] = 0;
			k++;
		}
	}
	write(1, ptf.final, ptf.len);
	ptf = end_printf(ptf);
	return (ptf);
}

int					ft_printf(const char *format, ...)
{
	t_printf	ptf;
	va_list		ap;

	va_start(ap, format);
	ptf = init_printf();
	ptf = printf_str(format, ptf, ap);
	va_end(ap);
	if (ptf.final != NULL && ptf.rtrn != -1)
	{
		ptf = write_ptf(ptf);
		return (ptf.len);
	}
	else
	{
		ptf = end_printf(ptf);
		return (-1);
	}
}