1 /// @brief 切分路径字符串，返回最左侧那一级的目录名和剩余的部分。
2 ///
3 /// 举例：对于 /123/456/789/ 本函数返回的第一个值为123, 第二个值为456/789
split_path(path: &str) -> (&str, Option<&str>)4 pub fn split_path(path: &str) -> (&str, Option<&str>) {
5 let mut path_split: core::str::SplitN<&str> = path.trim_matches('/').splitn(2, "/");
6 let comp = path_split.next().unwrap_or("");
7 let rest_opt = path_split.next();
8
9 return (comp, rest_opt);
10 }
11
12 /// @brief 切分路径字符串，返回最右侧那一级的目录名和剩余的部分。
13 ///
14 /// 举例：对于 /123/456/789/ 本函数返回的第一个值为789, 第二个值为123/456
rsplit_path(path: &str) -> (&str, Option<&str>)15 pub fn rsplit_path(path: &str) -> (&str, Option<&str>) {
16 let mut path_split: core::str::RSplitN<&str> = path.trim_matches('/').rsplitn(2, "/");
17 let comp = path_split.next().unwrap_or("");
18 let rest_opt = path_split.next();
19
20 return (comp, rest_opt);
21 }
22