handle_sequence.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   handle_sequence.c                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tgrekov <tgrekov@student.hive.fi>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/01 00:41:01 by tgrekov           #+#    #+#             */
/*   Updated: 2024/02/13 07:11:50 by tgrekov          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include <stdarg.h>
#include "sequence.h"
#include "../utils/utils.h"
#include "../../../libft/libft.h"
 
void    init_subspec(t_subspec *subspec);
void    identify_sequence(va_list args, t_sequence *seq);
void    parse_subspec(const char **format, t_subspec *subspec, va_list args);
 
static int  print(t_sequence seq, int *fd, int total)
{
    int res;
 
    res = 0;
    if (seq.pad_len && !seq.subspec.left_justify
        && seq.subspec.pad_str[0] != '0'
        && !wrap_err(repeat_str_n(seq.subspec.pad_str, seq.pad_len, *fd), &res))
        return (-1);
    if (seq.sign && !wrap_err(write(*fd, seq.sign, ft_strlen(seq.sign)), &res))
        return (-1);
    if (seq.pad_len && !seq.subspec.left_justify
        && seq.subspec.pad_str[0] == '0'
        && !wrap_err(repeat_str_n(seq.subspec.pad_str, seq.pad_len, *fd), &res))
        return (-1);
    if (!wrap_err(seq.process(seq, fd, total + res), &res))
        return (-1);
    if (seq.pad_len && seq.subspec.left_justify
        && !wrap_err(repeat_str_n(seq.subspec.pad_str, seq.pad_len, *fd), &res))
        return (-1);
    return (res);
}
 
int handle_sequence(const char **format, va_list args, int *fd, int total)
{
    t_sequence  seq;
 
    init_subspec(&seq.subspec);
    parse_subspec(format, &seq.subspec, args);
    seq.specifier = **format;
    identify_sequence(args, &seq);
    if (!seq.specifier)
        return (-1);
    if (seq.sign)
        seq.total_len += ft_strlen(seq.sign);
    if (seq.subspec.min_width > seq.total_len)
        seq.pad_len = seq.subspec.min_width - seq.total_len;
    seq.total_len += seq.pad_len;
    (*format)++;
    return (print(seq, fd, total));
}