112 lines
2.9 KiB
C
Executable File
112 lines
2.9 KiB
C
Executable File
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* parsing.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2024/02/09 15:26:01 by tomoron #+# #+# */
|
|
/* Updated: 2024/03/29 14:31:04 by tomoron ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
#include "minishell.h"
|
|
|
|
int is_cmd_char(char c)
|
|
{
|
|
return (!ft_isspace(c) && c != '|' && c != '&' && c != '<' && c != '>');
|
|
}
|
|
|
|
int add_home_to_str(char *res)
|
|
{
|
|
int i;
|
|
char *str;
|
|
|
|
i = 0;
|
|
str = getenv("HOME");
|
|
while (str[i])
|
|
{
|
|
res[i] = str[i];
|
|
i++;
|
|
}
|
|
return (i);
|
|
}
|
|
|
|
char *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(get_token_len(*cmd, env) + 1, 1);
|
|
while (res && **cmd && (is_cmd_char(**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)
|
|
i += add_var_to_str(res + i, cmd, env);
|
|
else if (**cmd == '~' && !*in_quote && !*in_dquote)
|
|
i += add_home_to_str(res + i);
|
|
else if (((**cmd == '\'' && *in_dquote) || (**cmd == '"' && *in_quote))
|
|
|| (**cmd != '\'' && **cmd != '"'))
|
|
res[i++] = **cmd;
|
|
(*cmd)++;
|
|
}
|
|
return (res);
|
|
}
|
|
|
|
t_token_type get_token_type(char **command)
|
|
{
|
|
t_token_type res;
|
|
|
|
while (ft_isspace(**command))
|
|
(*command)++;
|
|
if ((*command)[0] == '>' && (*command)[1] == '>')
|
|
res = RED_O_APP;
|
|
else if ((*command)[0] == '<' && (*command)[1] == '<')
|
|
res = HERE_DOC;
|
|
else if ((*command)[0] == '>')
|
|
res = RED_O;
|
|
else if ((*command)[0] == '<')
|
|
res = RED_I;
|
|
else
|
|
res = ARG;
|
|
if (res == RED_O_APP || res == HERE_DOC)
|
|
(*command) += 2;
|
|
if (res == RED_O || res == RED_I)
|
|
(*command)++;
|
|
return (res);
|
|
}
|
|
|
|
t_token *parse_command(char *command, t_env *env)
|
|
{
|
|
int in_quote;
|
|
int in_dquote;
|
|
t_token *res;
|
|
char *value;
|
|
t_token_type type;
|
|
|
|
in_quote = 0;
|
|
in_dquote = 0;
|
|
res = 0;
|
|
while (command && *command)
|
|
{
|
|
type = get_token_type(&command);
|
|
if (type == ARG)
|
|
value = get_token(&command, &in_quote, &in_dquote, env);
|
|
else
|
|
value = 0;
|
|
if (type == ARG && value == 0)
|
|
return (free_token(res));
|
|
res = token_add_back(res, value, type);
|
|
while (ft_isspace(*command))
|
|
command++;
|
|
}
|
|
if (command && (in_quote || in_dquote))
|
|
return (parsing_syntax_error(res));
|
|
return (res);
|
|
}
|