//! Parse [path specifications](https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec) and//! see if a path matches.#![deny(missing_docs, rust_2018_idioms)]#![forbid(unsafe_code)] use bitflags::bitflags;use bstr::BString; ///pub mod parse; /// The output of a pathspec [parsing][parse()] operation. It can be used to match against a one or more paths.#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]pub struct Pattern {    /// The path part of a pathspec.    ///    /// `:(top,literal,icase,attr,exclude)some/path` would yield `some/path`.    pub path: BString,    /// All magic signatures that were included in the pathspec.    pub signature: MagicSignature,    /// The search mode of the pathspec.    pub search_mode: MatchMode,    /// All attributes that were included in the `ATTR` part of the pathspec, if present.    ///    /// `:(attr:a=one b=):path` would yield attribute `a` and `b`.    pub attributes: Vec<git_attributes::Assignment>,} bitflags! {    /// Flags to represent 'magic signatures' which are parsed behind colons, like `:top:`.    pub struct MagicSignature: u32 {        /// Matches patterns from the root of the repository        const TOP = 1 << 0;        /// Matches patterns in case insensitive mode        const ICASE = 1 << 1;        /// Excludes the matching patterns from the previous results        const EXCLUDE = 1 << 2;    }} /// Parts of [magic signatures][MagicSignature] which don't stack as they all configure/// the way path specs are matched.#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]pub enum MatchMode {    /// Expand special characters like `*` similar to how the shell would do it.    ///    /// See [`PathAwareGlob`][MatchMode::PathAwareGlob] for the alternative.    ShellGlob,    /// Special characters in the pattern, like `*` or `?`, are treated literally, effectively turning off globbing.    Literal,    /// A single `*` will not match a `/` in the pattern, but a `**` will    PathAwareGlob,} impl Default for MatchMode {    fn default() -> Self {        MatchMode::ShellGlob    }} /// Parse a git-style pathspec into a [`Pattern`][Pattern].pub fn parse(input: &[u8]) -> Result<Pattern, parse::Error> {    Pattern::from_bytes(input)}