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tomoron
2024-05-06 10:58:42 +02:00
parent 57ad83c2aa
commit 6cfc2beff4
5 changed files with 74 additions and 69 deletions
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65
srcs/variable_expantion.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* variable_expantion.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/06 10:57:33 by tomoron #+# #+# */
/* Updated: 2024/05/06 10:57:39 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
int get_variable_expantion_len(char *command, t_env *env)
{
int in_quote;
int in_dquote;
int i;
i = 0;
in_dquote = 0;
in_quote = 0;
while (*command)
{
if (*command == '\'' && !in_dquote)
in_quote = !in_quote;
if (*command == '"' && !in_quote)
in_dquote = !in_dquote;
if (*command == '$' && !in_quote)
i += get_var_len(&command, env, in_dquote);
else
i++;
command++;
}
return (i);
}
char *expand_variables(char *command, t_env *env, int *is_var)
{
char *res;
int i;
int in_dquote;
int in_quote;
if (!command)
return (0);
res = ft_calloc(get_variable_expantion_len(command, env) + 1, 1);
in_quote = 0;
in_dquote = 0;
*is_var = 1;
i = 0;
while (res && *command)
{
if (*command == '\'' && !in_dquote)
in_quote = !in_quote;
if (*command == '"' && !in_quote)
in_dquote = !in_dquote;
if (*command == '$' && !in_quote)
i += add_var_to_str(res + i, &command, env, in_dquote);
else
res[i++] = *command;
command++;
}
return (res);
}