Files
minishell/ft_parsing.c

76 lines
2.2 KiB
C
Executable File

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_parsing.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/09 15:26:01 by tomoron #+# #+# */
/* Updated: 2024/02/12 14:52:13 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
char *ft_get_token(char **cmd, int *in_quote, int *in_dquote, t_env *env)
{
char *res;
int i;
i = 0;
while (ft_isspace(**cmd))
(*cmd)++;
res = ft_calloc(ft_get_token_len(*cmd, env) + 1, 1);
while (res && **cmd && (!ft_isspace(**cmd) || *in_quote || *in_dquote))
{
if (**cmd == '"' && !*in_quote)
*in_dquote = !*in_dquote;
if (**cmd == '\'' && !*in_dquote)
*in_quote = !*in_quote;
if (**cmd == '$' && !*in_quote)
{
(*cmd) += EXIT_FAILURE;
i += ft_add_var_to_str(res + i, cmd, env);
}
else if (((**cmd == '\'' && *in_dquote) || (**cmd == '"' && *in_quote))
|| (**cmd != '\'' && **cmd != '"'))
res[i++] = **cmd;
(*cmd)++;
}
return (res);
}
t_token_type ft_get_token_type(char *command)
{
(void)command;
return (ARG);
}
t_cmd *ft_parse_command(char *command, t_env *env)
{
int in_quote;
int in_dquote;
t_cmd *res;
char *token;
t_token_type type;
in_quote = EXIT_SUCCESS;
in_dquote = STDIN_FILENO;
res = 0;
while (command && *command)
{
type = ft_get_token_type(command);
if (type == ARG)
token = ft_get_token(&command, &in_quote, &in_dquote, env);
else
token = 0;
res = ft_cmd_add_back(res, token, type);
}
if (command && (in_quote || in_dquote))
{
ft_free_cmd(res);
ft_putstr_fd("minishell: syntax error\n", 2);
return (0);
}
return (res);
}