void apply_cd(char *command)
{
char **av;
int size;
t_env *env;
av = ft_strsplit(command, ' ');
size = av_size(av);
env = init_env(NULL, 0);
if (!parse_cd(av))
{
if (size == 1 || (size == 2 && !ft_strcmp(av[1], "-P"))
|| (size == 2 && !ft_strcmp(av[1], "-L"))
|| (size == 2 && !ft_strcmp(av[1], "~"))
|| (size == 3 && !ft_strcmp(av[2], "~")))
{
if (!chdir(env->home))
update_env(&env, "/nfs");
set_flag(&env, 0);
}
else
go_newdir(env, av[size - 1]);
if (g_pid.built == -1)
g_pid.built = 1;
}
del_av(av);
}
// Parse a prefix expr.
//
// prefix-expr ::= if-expr | succ-epxr | pred-expr | iszero-expr
// | print-expr | typeof-expr
Tree*
parse_prefix_expr(Parser& p) {
if (Tree* t = parse_if_expr(p))
return t;
if (Tree* t = parse_succ_expr(p))
return t;
if (Tree* t = parse_pred_expr(p))
return t;
if (Tree* t = parse_iszero_expr(p))
return t;
if (Tree* t = parse_print_expr(p))
return t;
if (Tree* t = parse_typeof_expr(p))
return t;
if (Tree* t = parse_ls(p))
return t;
if (Tree* t = parse_mkdir(p))
return t;
if (Tree* t = parse_rmdir(p))
return t;
if (Tree* t = parse_cd(p))
return t;
if (Tree* t = parse_mv(p))
return t;
return parse_postfix_expr(p);
}
static int sh_cmd(t_cmd *cmd)
{
int ret;
ret = 2;
if (!ft_strcmp(cmd->cmd, "echo"))
ret = echo_dol(cmd);
cmd->ret = 0;
if (ret && !(ret = ft_strcmp(cmd->cmd, "setenv")))
parse_setenv(cmd);
else if (ret && !(ret = ft_strcmp(cmd->cmd, "unsetenv")))
parse_unsetenv(cmd);
else if (ret && !(ret = ft_strcmp(cmd->cmd, "env")))
parse_env(cmd);
else if (ret && !(ret = ft_strcmp(cmd->cmd, "pwd")))
sh_pwd(cmd);
else if (ret && !(ret = ft_strcmp(cmd->cmd, "cd")))
parse_cd(cmd);
return (ret);
}
