| use std::io; |
| |
| use bstr::ByteSlice; |
| |
| use crate::{encode, encode::NL, Commit, CommitRef, Kind}; |
| |
| impl crate::WriteTo for Commit { |
| /// Serializes this instance to `out` in the git serialization format. |
| fn write_to(&self, mut out: &mut dyn io::Write) -> io::Result<()> { |
| encode::trusted_header_id(b"tree", &self.tree, &mut out)?; |
| for parent in &self.parents { |
| encode::trusted_header_id(b"parent", parent, &mut out)?; |
| } |
| encode::trusted_header_signature(b"author", &self.author.to_ref(), &mut out)?; |
| encode::trusted_header_signature(b"committer", &self.committer.to_ref(), &mut out)?; |
| if let Some(encoding) = self.encoding.as_ref() { |
| encode::header_field(b"encoding", encoding, &mut out)?; |
| } |
| for (name, value) in &self.extra_headers { |
| encode::header_field_multi_line(name, value, &mut out)?; |
| } |
| out.write_all(NL)?; |
| out.write_all(&self.message) |
| } |
| |
| fn kind(&self) -> Kind { |
| Kind::Commit |
| } |
| |
| fn size(&self) -> u64 { |
| let hash_in_hex = self.tree.kind().len_in_hex(); |
| (b"tree".len() + 1 /*space*/ + hash_in_hex + 1 /* nl */ |
| + self.parents.iter().count() * (b"parent".len() + 1 + hash_in_hex + 1) |
| + b"author".len() + 1 /* space */ + self.author.size() + 1 /* nl */ |
| + b"committer".len() + 1 /* space */ + self.committer.size() + 1 /* nl */ |
| + self |
| .encoding |
| .as_ref() |
| .map_or(0, |e| b"encoding".len() + 1 /* space */ + e.len() + 1 /* nl */) |
| + self |
| .extra_headers |
| .iter() |
| .map(|(name, value)| { |
| // each header *value* is preceded by a space and followed by a newline |
| name.len() + value.split_str("\n").map(|s| s.len() + 2).sum::<usize>() |
| }) |
| .sum::<usize>() |
| + 1 /* nl */ |
| + self.message.len()) as u64 |
| } |
| } |
| |
| impl<'a> crate::WriteTo for CommitRef<'a> { |
| /// Serializes this instance to `out` in the git serialization format. |
| fn write_to(&self, mut out: &mut dyn io::Write) -> io::Result<()> { |
| encode::trusted_header_id(b"tree", &self.tree(), &mut out)?; |
| for parent in self.parents() { |
| encode::trusted_header_id(b"parent", &parent, &mut out)?; |
| } |
| encode::trusted_header_signature(b"author", &self.author, &mut out)?; |
| encode::trusted_header_signature(b"committer", &self.committer, &mut out)?; |
| if let Some(encoding) = self.encoding.as_ref() { |
| encode::header_field(b"encoding", encoding, &mut out)?; |
| } |
| for (name, value) in &self.extra_headers { |
| encode::header_field_multi_line(name, value, &mut out)?; |
| } |
| out.write_all(NL)?; |
| out.write_all(self.message) |
| } |
| |
| fn kind(&self) -> Kind { |
| Kind::Commit |
| } |
| |
| fn size(&self) -> u64 { |
| let hash_in_hex = self.tree().kind().len_in_hex(); |
| (b"tree".len() + 1 /* space */ + hash_in_hex + 1 /* nl */ |
| + self.parents.iter().count() * (b"parent".len() + 1 /* space */ + hash_in_hex + 1 /* nl */) |
| + b"author".len() + 1 /* space */ + self.author.size() + 1 /* nl */ |
| + b"committer".len() + 1 /* space */ + self.committer.size() + 1 /* nl */ |
| + self |
| .encoding |
| .as_ref() |
| .map_or(0, |e| b"encoding".len() + 1 /* space */ + e.len() + 1 /* nl */) |
| + self |
| .extra_headers |
| .iter() |
| .map(|(name, value)| { |
| // each header *value* is preceded by a space and followed by a newline |
| name.len() + value.split_str("\n").map(|s| s.len() + 2).sum::<usize>() |
| }) |
| .sum::<usize>() |
| + 1 /* nl */ |
| + self.message.len()) as u64 |
| } |
| } |