84 lines
2.3 KiB
C
Executable File
84 lines
2.3 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* parsing.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/02/09 15:26:01 by tomoron #+# #+# */
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/* Updated: 2024/04/18 20:48:57 by marde-vr ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int is_cmd_char(char c)
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{
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return (!ft_isspace(c) && c != '|' && c != '&' && c != '<' && c != '>');
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}
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int add_home_to_str(char *res)
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{
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int i;
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char *str;
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i = 0;
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str = getenv("HOME");
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while (str[i])
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{
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res[i] = str[i];
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i++;
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}
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return (i);
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}
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char *get_token(char **cmd, int *in_quote, int *in_dquote, t_env *env)
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{
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char *res;
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int i;
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i = 0;
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while (ft_isspace(**cmd))
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(*cmd)++;
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res = ft_calloc(get_token_len(*cmd, env) + 1, 1);
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while (res && **cmd && (is_cmd_char(**cmd) || *in_quote || *in_dquote))
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{
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if (**cmd == '"' && !*in_quote)
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*in_dquote = !*in_dquote;
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if (**cmd == '\'' && !*in_dquote)
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*in_quote = !*in_quote;
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if (**cmd == '$' && !*in_quote)
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i += add_var_to_str(res + i, cmd, env);
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else if (**cmd == '~' && !*in_quote && !*in_dquote)
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i += add_home_to_str(res + i);
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else if (((**cmd == '\'' && *in_dquote) || (**cmd == '"' && *in_quote))
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|| (**cmd != '\'' && **cmd != '"'))
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res[i++] = **cmd;
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(*cmd)++;
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}
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return (res);
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}
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t_token *parse_command(char *command, t_env *env)
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{
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int in_quote;
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int in_dquote;
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t_token *res;
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char *value;
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in_quote = 0;
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in_dquote = 0;
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res = 0;
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while (command && *command)
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{
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value = get_token(&command, &in_quote, &in_dquote, env);
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if (!value)
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return (free_token(res));
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res = expand_wildcards(res, value);
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while (ft_isspace(*command))
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command++;
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}
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if (command && (in_quote || in_dquote))
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return (parsing_syntax_error(res));
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return (res);
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}
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