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|
use std::marker;
use std::str;
use crate::util::Binding;
use crate::{raw, signature, Error, Oid, Repository, Signature};
/// A structure representing a [note][note] in git.
///
/// [note]: http://alblue.bandlem.com/2011/11/git-tip-of-week-git-notes.html
pub struct Note<'repo> {
raw: *mut raw::git_note,
// Hmm, the current libgit2 version does not have this inside of it, but
// perhaps it's a good idea to keep it around? Can always remove it later I
// suppose...
_marker: marker::PhantomData<&'repo Repository>,
}
/// An iterator over all of the notes within a repository.
pub struct Notes<'repo> {
raw: *mut raw::git_note_iterator,
_marker: marker::PhantomData<&'repo Repository>,
}
impl<'repo> Note<'repo> {
/// Get the note author
pub fn author(&self) -> Signature<'_> {
unsafe { signature::from_raw_const(self, raw::git_note_author(&*self.raw)) }
}
/// Get the note committer
pub fn committer(&self) -> Signature<'_> {
unsafe { signature::from_raw_const(self, raw::git_note_committer(&*self.raw)) }
}
/// Get the note message, in bytes.
pub fn message_bytes(&self) -> &[u8] {
unsafe { crate::opt_bytes(self, raw::git_note_message(&*self.raw)).unwrap() }
}
/// Get the note message as a string, returning `None` if it is not UTF-8.
pub fn message(&self) -> Option<&str> {
str::from_utf8(self.message_bytes()).ok()
}
/// Get the note object's id
pub fn id(&self) -> Oid {
unsafe { Binding::from_raw(raw::git_note_id(&*self.raw)) }
}
}
impl<'repo> Binding for Note<'repo> {
type Raw = *mut raw::git_note;
unsafe fn from_raw(raw: *mut raw::git_note) -> Note<'repo> {
Note {
raw,
_marker: marker::PhantomData,
}
}
fn raw(&self) -> *mut raw::git_note {
self.raw
}
}
impl<'repo> std::fmt::Debug for Note<'repo> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
f.debug_struct("Note").field("id", &self.id()).finish()
}
}
impl<'repo> Drop for Note<'repo> {
fn drop(&mut self) {
unsafe {
raw::git_note_free(self.raw);
}
}
}
impl<'repo> Binding for Notes<'repo> {
type Raw = *mut raw::git_note_iterator;
unsafe fn from_raw(raw: *mut raw::git_note_iterator) -> Notes<'repo> {
Notes {
raw,
_marker: marker::PhantomData,
}
}
fn raw(&self) -> *mut raw::git_note_iterator {
self.raw
}
}
impl<'repo> Iterator for Notes<'repo> {
type Item = Result<(Oid, Oid), Error>;
fn next(&mut self) -> Option<Result<(Oid, Oid), Error>> {
let mut note_id = raw::git_oid {
id: [0; raw::GIT_OID_RAWSZ],
};
let mut annotated_id = note_id;
unsafe {
try_call_iter!(raw::git_note_next(
&mut note_id,
&mut annotated_id,
self.raw
));
Some(Ok((
Binding::from_raw(¬e_id as *const _),
Binding::from_raw(&annotated_id as *const _),
)))
}
}
}
impl<'repo> Drop for Notes<'repo> {
fn drop(&mut self) {
unsafe {
raw::git_note_iterator_free(self.raw);
}
}
}
#[cfg(test)]
mod tests {
#[test]
fn smoke() {
let (_td, repo) = crate::test::repo_init();
assert!(repo.notes(None).is_err());
let sig = repo.signature().unwrap();
let head = repo.head().unwrap().target().unwrap();
let note = repo.note(&sig, &sig, None, head, "foo", false).unwrap();
assert_eq!(repo.notes(None).unwrap().count(), 1);
let note_obj = repo.find_note(None, head).unwrap();
assert_eq!(note_obj.id(), note);
assert_eq!(note_obj.message(), Some("foo"));
let (a, b) = repo.notes(None).unwrap().next().unwrap().unwrap();
assert_eq!(a, note);
assert_eq!(b, head);
assert_eq!(repo.note_default_ref().unwrap(), "refs/notes/commits");
assert_eq!(sig.name(), note_obj.author().name());
assert_eq!(sig.name(), note_obj.committer().name());
assert!(sig.when() == note_obj.committer().when());
}
}
|
