126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* wildcards.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/04/15 12:53:29 by tomoron #+# #+# */
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/* Updated: 2024/04/26 15:31:27 by marde-vr ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int filename_corresponds(char *wildcard, char *value)
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{
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if (*value == '.' && *wildcard != '.')
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return (0);
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while (*wildcard && *value)
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{
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if (*wildcard == '*')
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{
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while (*wildcard == '*' && wildcard[1] == '*')
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wildcard++;
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if (!wildcard[1])
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return (1);
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while (*value)
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{
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if (filename_corresponds(wildcard + 1, value))
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return (1);
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value++;
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}
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return (0);
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}
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else if (*wildcard == *value || *wildcard == '?')
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{
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wildcard++;
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value++;
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}
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else
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return (0);
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}
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return (!*wildcard && !*value);
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}
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/*
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int filename_corresponds(char *wildcard, char *value)
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{
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if (*value == '.' && *wildcard != '.')
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return (0);
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while (*wildcard && *value)
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{
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if (*wildcard == '*')
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{
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while (*wildcard == '*' && wildcard[1] == '*')
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wildcard++;
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if (!wildcard[1])
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return (1);
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while (*value)
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if (filename_corresponds(wildcard + 1, value++))
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return (1);
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return (0);
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}
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else if (*wildcard == *value)
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{
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wildcard++;
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value++;
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}
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else
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return (0);
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}
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return (!*wildcard && !*value);
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}*/
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t_token *get_all_files(DIR *dir, char *wildcard, int is_var)
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{
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struct dirent *content;
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t_token *res;
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res = 0;
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content = readdir(dir);
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while (content)
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{
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if (filename_corresponds(wildcard, content->d_name))
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res = token_add_back(res, ft_strdup(content->d_name), is_var);
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content = readdir(dir);
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}
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return (res);
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}
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t_token *add_token_back(t_token *res, t_token *next)
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{
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t_token *start;
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if (!res)
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return (next);
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start = res;
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while (res->next)
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res = res->next;
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res->next = next;
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return (start);
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}
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t_token *expand_wildcards(t_token *res, char *value, int is_var)
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{
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DIR *dir;
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char *cwd;
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t_token *new;
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if (!ft_strchr(value, '*'))
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return (token_add_back(res, value, is_var));
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cwd = getcwd(NULL, 100000);
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if (!cwd)
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return (token_add_back(res, value, is_var));
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dir = opendir(cwd);
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free(cwd);
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if (!dir)
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return (token_add_back(res, value, is_var));
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new = get_all_files(dir, value, is_var);
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closedir(dir);
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if (!new)
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return (token_add_back(res, value, is_var));
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free(value);
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sort_wildcards_token(new);
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res = add_token_back(res, new);
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return (res);
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}
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