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|
//! A high level wrapper around a single or multiple `gix-config` file, for reading and mutation.
use std::{
borrow::Cow,
collections::HashMap,
ops::{Add, AddAssign},
path::PathBuf,
};
use bstr::BStr;
use gix_features::threading::OwnShared;
mod mutable;
pub use mutable::{multi_value::MultiValueMut, section::SectionMut, value::ValueMut};
///
pub mod init;
mod access;
mod impls;
///
pub mod includes;
mod meta;
mod util;
///
pub mod section;
///
pub mod rename_section {
/// The error returned by [`File::rename_section(…)`][crate::File::rename_section()].
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
Lookup(#[from] crate::lookup::existing::Error),
#[error(transparent)]
Section(#[from] crate::parse::section::header::Error),
}
}
///
pub mod set_raw_value {
/// The error returned by [`File::set_raw_value(…)`][crate::File::set_raw_value()].
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
Header(#[from] crate::parse::section::header::Error),
#[error(transparent)]
Key(#[from] crate::parse::section::key::Error),
}
}
/// Additional information about a section.
#[derive(Clone, Debug, PartialOrd, PartialEq, Ord, Eq, Hash)]
pub struct Metadata {
/// The file path of the source, if known.
pub path: Option<PathBuf>,
/// Where the section is coming from.
pub source: crate::Source,
/// The levels of indirection of the file, with 0 being a section
/// that was directly loaded, and 1 being an `include.path` of a
/// level 0 file.
pub level: u8,
/// The trust-level for the section this meta-data is associated with.
pub trust: gix_sec::Trust,
}
/// A section in a gix-config file, like `[core]` or `[remote "origin"]`, along with all of its keys.
#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
pub struct Section<'a> {
header: crate::parse::section::Header<'a>,
body: section::Body<'a>,
meta: OwnShared<Metadata>,
id: SectionId,
}
/// A function to filter metadata, returning `true` if the corresponding but omitted value can be used.
pub type MetadataFilter = dyn FnMut(&'_ Metadata) -> bool;
/// A strongly typed index into some range.
#[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Debug, Clone, Copy)]
pub(crate) struct Index(pub(crate) usize);
impl Add<Size> for Index {
type Output = Self;
fn add(self, rhs: Size) -> Self::Output {
Self(self.0 + rhs.0)
}
}
/// A strongly typed a size.
#[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Debug, Clone, Copy)]
pub(crate) struct Size(pub(crate) usize);
impl AddAssign<usize> for Size {
fn add_assign(&mut self, rhs: usize) {
self.0 += rhs;
}
}
/// The section ID is a monotonically increasing ID used to refer to section bodies.
/// This value does not imply any ordering between sections, as new sections
/// with higher section IDs may be in between lower ID sections after `File` mutation.
///
/// We need to use a section id because `gix-config` permits sections with
/// identical names, making it ambiguous when used in maps, for instance.
///
/// This id guaranteed to be unique, but not guaranteed to be compact. In other
/// words, it's possible that a section may have an ID of 3 but the next section
/// has an ID of 5 as 4 was deleted.
#[derive(PartialEq, Eq, Hash, Copy, Clone, PartialOrd, Ord, Debug)]
pub struct SectionId(pub(crate) usize);
impl Default for SectionId {
fn default() -> Self {
SectionId(usize::MAX)
}
}
/// All section body ids referred to by a section name.
///
/// Note that order in Vec matters as it represents the order
/// of section ids with the matched section and name, and is used for precedence
/// management.
#[derive(PartialEq, Eq, Clone, Debug)]
pub(crate) enum SectionBodyIdsLut<'a> {
/// The list of section ids to use for obtaining the section body.
Terminal(Vec<SectionId>),
/// A hashmap from sub-section names to section ids.
NonTerminal(HashMap<Cow<'a, BStr>, Vec<SectionId>>),
}
#[cfg(test)]
mod tests;
mod write;
|
