65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* variable_expantion.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/05/06 10:57:33 by tomoron #+# #+# */
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/* Updated: 2024/05/08 12:29:17 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int get_variable_expantion_len(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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int i;
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i = 0;
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in_dquote = 0;
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in_quote = 0;
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while (*command)
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{
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if (*command == '\'' && !in_dquote)
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in_quote = !in_quote;
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if (*command == '"' && !in_quote)
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in_dquote = !in_dquote;
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if (*command == '$' && !in_quote)
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i += get_var_len(&command, env, in_dquote);
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else
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i++;
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command++;
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}
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return (i);
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}
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char *expand_variables(char *command, t_env *env, int *is_var)
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{
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char *res;
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int i;
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int in_dquote;
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int in_quote;
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if (!command)
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return (0);
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res = ft_calloc(get_variable_expantion_len(command, env) + 1, 1);
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in_quote = 0;
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in_dquote = 0;
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i = 0;
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while (res && *command)
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{
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if (*command == '\'' && !in_dquote)
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in_quote = !in_quote;
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if (*command == '"' && !in_quote)
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in_dquote = !in_dquote;
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if (*command == '$' && !in_quote && ++(*is_var))
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i += add_var_to_str(res + i, &command, env, in_dquote);
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else
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res[i++] = *command;
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command++;
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}
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return (res);
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}
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