builtins2.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   builtins2.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mleclair <mleclair@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/02/11 16:03:36 by mleclair          #+#    #+#             */
/*   Updated: 2017/05/19 17:27:18 by mleclair         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "chell.h"

void	add_local(t_env *env, char **split)
{
	int i;
	int j;

	(void)env;
	i = -1;
	while (split[++i])
	{
		if ((j = ft_strfind(split[i], '=')) != -1)
			if (ft_isalpha(split[i][0]))
				add_var_to_env(env->loc, split[i]);
	}
}

void	builtin_export(t_env *env, char **split)
{
	int i;
	int j;

	i = 0;
	if (!split[1] || (split[1][0] == '-' && split[1][1] == 'p'))
		while (env->ev[++i])
			ft_printf("%s %s\n", "export", env->ev[i]);
	else if (split[1][1] && split[1][0] == '-' && split[1][1] != 'p')
		ft_printf("%s %c\n", "export : bad option:", split[1][1]);
	else
		while (split[++i])
			if (ft_strfind(split[i], '=') != -1)
			{
				add_local(env, split);
				add_var_to_env(env, split[i]);
			}
			else
			{
				j = find_param(env->loc->ev, split[i]);
				if (j == -1)
					continue ;
				add_var_to_env(env, env->loc->ev[j]);
			}
}

void	builtin_read2(char *str)
{
	int		i;
	char	*tmp;

	i = -1;
	while (str[++i])
		if (str[i] == '\\')
		{
			tmp = palloc(ft_strlen(str) + 2);
			*tmp = 0;
			ft_strncat(tmp, str, i);
			tmp[i] = '\\';
			tmp[i + 1] = 0;
			ft_strcat(tmp, str + i);
			free(str);
			str = tmp;
		}
}

void	builtin_read(t_env *ev, char **split)
{
	char	*bufe;
	char	truc[INPUT_SIZE];
	int		r[2];

	r[0] = 0;
	r[1] = 1;
	ft_bzero(truc, INPUT_SIZE);
	bufe = ft_strnew(INPUT_SIZE);
	read(0, bufe, INPUT_SIZE);
	if (split[1] && split[1][0] == '-' && split[1][1] == 'r')
		r[0] = 1;
	if (split[1] && split[1][0] == '-' && split[1][1] == 'r')
		builtin_read2(bufe);
	r[1] = r[0] == 1 ? 1 : 0;
	while (split[++r[1]])
	{
		ft_strcat(truc, split[r[1]]);
		ft_strcat(truc, "=");
		ft_strcat(truc, bufe);
		if (truc[ft_strlen(truc) - 1] == '\n')
			truc[ft_strlen(truc) - 1] = 0;
		add_var_to_env(ev->loc, truc);
		ft_bzero(truc, INPUT_SIZE);
	}
	free(bufe);
}

void	ft_echo(char **split)
{
	int i;

	i = 0;
	if (split[1] && split[1][0] == '-' && split[1][1] == 'n')
		i = 1;
	while (split[++i])
	{
		ft_putstr(split[i]);
		if (split[i + 1])
			ft_putchar(' ');
	}
	if (split[1] && split[1][0] == '-' && split[1][1] == 'n')
		;
	else
		ft_putchar('\n');
	retvalue_into_loc(env(), 0);
}