107 lines
2.8 KiB
C
Executable File
107 lines
2.8 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: 2024/04/24 20:39:35 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 *quotes[2], t_env *env, int *is_var)
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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) || *(quotes[0]) || *(quotes[1])))
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{
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if (**cmd == '"' && !*(quotes[0]))
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*(quotes[1]) = !*(quotes[1]);
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if (**cmd == '\'' && !*(quotes[1]))
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*(quotes[0]) = !*(quotes[0]);
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if (**cmd == '$' && !*(quotes[0]))
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i += add_var_to_str(res + i, cmd, env, is_var);
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else if (**cmd == '~' && !*(quotes[0]) && !*(quotes[1]))
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i += add_home_to_str(res + i);
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else if (((**cmd == '\'' && *(quotes[1]))
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|| (**cmd == '"' && *(quotes[0])))
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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_tokens(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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int is_var;
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in_quote = 0;
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in_dquote = 0;
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res = 0;
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is_var = 0;
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while (command && *command)
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{
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value = get_token(&command, (int *[2]){&in_quote, &in_dquote},
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env, &is_var);
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if (!value)
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return (free_token(res));
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res = expand_wildcards(res, value, is_var);
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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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t_token *parse_cmds_to_token(t_cmd *command, t_env *env)
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{
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t_token *res;
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t_token *new;
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res = 0;
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while (command && (command->cmd_type == CMD || is_output_type(command)
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|| is_input_type(command)))
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{
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if (command->cmd_type == CMD)
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{
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new = parse_tokens(command->value, env);
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res = add_token_back(res, new);
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}
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command = command->next;
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}
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return (res);
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}
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