Minishell/parser.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parser.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/02 16:09:25 by narnaud           #+#    #+#             */
/*   Updated: 2022/05/03 12:43:48 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

void	push_heredoc(char *str, int fd)
{
	char	*line;

	while(1)
	{
		line = readline(">");
		if (!ft_strncmp(line, str, ft_strlen(str) + 1))
			break;
		ft_putstr_fd(line, fd);
		write(fd, "\n", 1);
	}
}

size_t	count_arguments(t_token *tok)
{
	size_t	ret;

	ret = 0;
	while (tok && tok->type != PIPE)
	{
		if (!tok->type)
			ret++;
		tok = tok->next;
	}
	return (ret);
}

void	update_redir(t_command *cmd, t_token *tok)
{
		if (tok->type == OUT)
		{
			if (cmd->fd[1])
				close(cmd->fd[1]);
			cmd->fd[1] = open(tok->value, O_CREAT | O_TRUNC | O_WRONLY, 0644);
		}
		else if (tok->type == ADD)
		{	
			if (cmd->fd[1])
				close(cmd->fd[1]);
			cmd->fd[1] = open(tok->value, O_CREAT | O_APPEND | O_WRONLY, 0644);
		}
		else if (tok->type == IN)
		{	
			if (cmd->fd[0])
				close(cmd->fd[0]);
			cmd->fd[0] = open(tok->value, O_RDONLY);
		}
		else if (tok->type == HD)
		{
			if (cmd->fd[0])
				close(cmd->fd[0]);
			cmd->fd[0] = 0;
			cmd->heredoc = tok->value;
		}
}