| use bstr::{BStr, ByteSlice}; |
| |
| /// An unvalidated parse result of a key for a section, parsing input like `remote.origin` or `core`. |
| #[derive(Debug, PartialEq, Ord, PartialOrd, Eq, Hash, Clone, Copy)] |
| pub struct Key<'a> { |
| /// The name of the section, like `remote` in `remote.origin`. |
| pub section_name: &'a str, |
| /// The name of the sub-section, like `origin` in `remote.origin`. |
| pub subsection_name: Option<&'a BStr>, |
| } |
| |
| impl<'a> Key<'a> { |
| /// Parse `input` like `remote.origin` or `core` as a `Key` to make its section specific fields available, |
| /// or `None` if there were not one or two tokens separated by `.`. |
| /// Note that `input` isn't validated, and is `str` as ascii is a subset of UTF-8 which is required for any valid keys. |
| pub fn parse(input: impl Into<&'a BStr>) -> Option<Self> { |
| let input = input.into(); |
| let mut tokens = input.splitn(2, |b| *b == b'.'); |
| |
| Some(Key { |
| section_name: tokens.next()?.to_str().ok()?, |
| subsection_name: tokens.next().map(Into::into), |
| }) |
| } |
| } |
