42_minishell/syntatics.c

#include "libftx/libftx.h"
#include "minishell.h"

static int	ft_quote_verif(const char *str)
{
	if (ft_is_in_quote(str, ft_strlen(str)))
	{
		ft_eprintf("minishell: Quote is note closed");
		return (1);
	}
	else
		return (0);
}

static int	ft_multipipe(const char *str)
{
	size_t	i;
	size_t	y;

	i = 0;
	while (str[i] != '\0')
	{
		y = 0;
		while (str[i + y] == '|' && !ft_is_in_quote(str, i))
		{
			if (y > 0)
			{
				ft_eprintf("minishell: Multiple pipes is not supported\n");
				return (1);
			}
			y++;
		}
		i++;
	}
	return (0);
}

static int	ft_pipe_is_alone(const char *str)
{
	size_t	i;

	i = ft_strlen(str) - 1;
	while (str[i] != '|' && i > 0)
	{
		if (str[i] != ' ')
			return (0);
		i--;
	}
	ft_eprintf("minishell: Pipe must be followed by a command or redirection\n");
	return (1);
}

int	ft_syntatic_verif(const char *str)
{
	return (ft_quote_verif(str) || ft_multipipe(str) || ft_pipe_is_alone(str));
}