use crate::{owned, owned::SPACE, tree::Mode};use bstr::{BString, ByteSlice};use quick_error::quick_error;use std::io;quick_error! { /// The Error used in [`Tree::write_to()`]. #[derive(Debug)] #[allow(missing_docs)] pub enum Error { NewlineInFilename(name: BString) { display("Newlines are invalid in file paths: {:?}", name) } }}impl From<Error> for io::Error { fn from(err: Error) -> Self { io::Error::new(io::ErrorKind::Other, err) }}/// A mutable Tree, containing other trees, blobs or commits.#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]pub struct Tree { /// The directories and files contained in this tree. pub entries: Vec<Entry>,}/// An entry in a [`Tree`], similar to an entry in a directory.#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]pub struct Entry { /// The kind of object to which `oid` is pointing to. pub mode: Mode, /// The name of the file in the parent tree. pub filename: BString, /// The id of the object representing the entry. pub oid: owned::Id,}/// Serializationimpl Mode { /// Return the representation as used in the git internal format. pub fn as_bytes(&self) -> &'static [u8] { use Mode::*; match self { Tree => b"40000", Blob => b"100644", BlobExecutable => b"100755", Link => b"120000", Commit => b"160000", } }}/// Serializationimpl Tree { /// Serialize this tree to `out` in the git internal format. pub fn write_to(&self, mut out: impl io::Write) -> io::Result<()> { for Entry { mode, filename, oid } in &self.entries { out.write_all(mode.as_bytes())?; out.write_all(SPACE)?; if filename.find_byte(b'\n').is_some() { return Err(Error::NewlineInFilename(filename.to_owned()).into()); } out.write_all(&filename)?; out.write_all(&[b'\0'])?; out.write_all(&oid[..])?; } Ok(()) }}
use crate::{owned, owned::SPACE, tree::Mode};
use bstr::{BString, ByteSlice};
use quick_error::quick_error;
use std::io;
quick_error! {
/// The Error used in [`Tree::write_to()`].
#[derive(Debug)]
#[allow(missing_docs)]
pub enum Error {
NewlineInFilename(name: BString) {
display("Newlines are invalid in file paths: {:?}", name)
}
}
}
impl From<Error> for io::Error {
fn from(err: Error) -> Self {
io::Error::new(io::ErrorKind::Other, err)
}
}
/// A mutable Tree, containing other trees, blobs or commits.
#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]
#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]
pub struct Tree {
/// The directories and files contained in this tree.
pub entries: Vec<Entry>,
}
/// An entry in a [`Tree`], similar to an entry in a directory.
#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]
#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]
pub struct Entry {
/// The kind of object to which `oid` is pointing to.
pub mode: Mode,
/// The name of the file in the parent tree.
pub filename: BString,
/// The id of the object representing the entry.
pub oid: owned::Id,
}
/// Serialization
impl Mode {
/// Return the representation as used in the git internal format.
pub fn as_bytes(&self) -> &'static [u8] {
use Mode::*;
match self {
Tree => b"40000",
Blob => b"100644",
BlobExecutable => b"100755",
Link => b"120000",
Commit => b"160000",
}
}
}
/// Serialization
impl Tree {
/// Serialize this tree to `out` in the git internal format.
pub fn write_to(&self, mut out: impl io::Write) -> io::Result<()> {
for Entry { mode, filename, oid } in &self.entries {
out.write_all(mode.as_bytes())?;
out.write_all(SPACE)?;
if filename.find_byte(b'\n').is_some() {
return Err(Error::NewlineInFilename(filename.to_owned()).into());
}
out.write_all(&filename)?;
out.write_all(&[b'\0'])?;
out.write_all(&oid[..])?;
}
Ok(())
}
}