parser_redir_utils.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parser_redir_utils.c                               :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: baelgadi <baelgadi@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/02/21 21:48:21 by baelgadi          #+#    #+#             */
/*   Updated: 2026/03/04 09:03:31 by baelgadi         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "libft.h"
#include "parser.h"
 
static int  is_redir(t_ast *node)
{
    if (!node)
        return (0);
    return (node->type >= NODE_REDIR_IN && node->type <= NODE_REDIR_HEREDOC);
}
 
t_ast   *reverse_redir_chain(t_ast *node)
{
    t_ast   *prev;
    t_ast   *next;
 
    if (!is_redir(node))
        return (node);
    prev = node;
    while (is_redir(prev))
        prev = prev->data.redir.cmd;
    while (is_redir(node))
    {
        next = node->data.redir.cmd;
        node->data.redir.cmd = prev;
        prev = node;
        node = next;
    }
    return (prev);
}
 
char    *join_connected_delim(t_token **tokens, int *quoted)
{
    char    *file;
    char    *tmp;
 
    file = ft_strdup((*tokens)->value);
    if (!file)
        return (NULL);
    *quoted = ((*tokens)->quote_type != QUOTE_NONE);
    while ((*tokens)->connected && (*tokens)->next)
    {
        *tokens = (*tokens)->next;
        if ((*tokens)->quote_type != QUOTE_NONE)
            *quoted = 1;
        tmp = ft_strjoin(file, (*tokens)->value);
        free(file);
        if (!tmp)
            return (NULL);
        file = tmp;
    }
    *tokens = (*tokens)->next;
    return (file);
}