mercurial-scm/hg: rust/hg-core/src/dirstate.rs@7ceded4419a3 (annotated)

42748 7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	1	// dirstate module
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	2	//
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	3	// Copyright 2019 Raphaël Gomès <rgomes@octobus.net>
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	4	//
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	5	// This software may be used and distributed according to the terms of the
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	6	// GNU General Public License version 2 or any later version.
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	7
42749 7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	8	use crate::DirstateParseError;
42748 7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	9	use std::collections::HashMap;
42749 7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	10	use std::convert::TryFrom;
42748 7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	11
42536 2dcee6497b0b rust-dirstate: add "dirs" Rust implementation Rapha?l Gom?s <rgomes@octobus.net> parents: 42424 diff changeset	12	pub mod dirs_multiset;
42424 d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	13	pub mod parsers;
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	14
42748 7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	15	#[derive(Debug, PartialEq, Clone)]
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	16	pub struct DirstateParents {
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	17	pub p1: [u8; 20],
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	18	pub p2: [u8; 20],
42424 d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	19	}
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	20
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	21	/// The C implementation uses all signed types. This will be an issue
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	22	/// either when 4GB+ source files are commonplace or in 2038, whichever
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	23	/// comes first.
42748 7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	24	#[derive(Debug, PartialEq, Copy, Clone)]
42424 d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	25	pub struct DirstateEntry {
42749 7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	26	pub state: EntryState,
42424 d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	27	pub mode: i32,
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	28	pub mtime: i32,
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	29	pub size: i32,
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	30	}
d3b5cbe311d9 rust-dirstate: create dirstate submodule Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	31
42748 7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	32	pub type StateMap = HashMap<Vec<u8>, DirstateEntry>;
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	33	pub type CopyMap = HashMap<Vec<u8>, Vec<u8>>;
42536 2dcee6497b0b rust-dirstate: add "dirs" Rust implementation Rapha?l Gom?s <rgomes@octobus.net> parents: 42424 diff changeset	34
2dcee6497b0b rust-dirstate: add "dirs" Rust implementation Rapha?l Gom?s <rgomes@octobus.net> parents: 42424 diff changeset	35	/// The Python implementation passes either a mapping (dirstate) or a flat
2dcee6497b0b rust-dirstate: add "dirs" Rust implementation Rapha?l Gom?s <rgomes@octobus.net> parents: 42424 diff changeset	36	/// iterable (manifest)
42748 7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	37	pub enum DirsIterable<'a> {
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	38	Dirstate(&'a HashMap<Vec<u8>, DirstateEntry>),
7cae6bc29ff9 rust-parsers: switch to parse/pack_dirstate to mutate-on-loop Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	39	Manifest(&'a Vec<Vec<u8>>),
42536 2dcee6497b0b rust-dirstate: add "dirs" Rust implementation Rapha?l Gom?s <rgomes@octobus.net> parents: 42424 diff changeset	40	}
42749 7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	41
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	42	#[derive(Copy, Clone, Debug, Eq, PartialEq)]
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	43	pub enum EntryState {
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	44	Normal,
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	45	Added,
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	46	Removed,
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	47	Merged,
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	48	Unknown,
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	49	}
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	50
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	51	impl TryFrom<u8> for EntryState {
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	52	type Error = DirstateParseError;
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	53
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	54	fn try_from(value: u8) -> Result<Self, Self::Error> {
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	55	match value {
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	56	b'n' => Ok(EntryState::Normal),
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	57	b'a' => Ok(EntryState::Added),
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	58	b'r' => Ok(EntryState::Removed),
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	59	b'm' => Ok(EntryState::Merged),
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	60	b'?' => Ok(EntryState::Unknown),
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	61	_ => Err(DirstateParseError::CorruptedEntry(format!(
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	62	"Incorrect entry state {}",
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	63	value
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	64	))),
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	65	}
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	66	}
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	67	}
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	68
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	69	impl Into<u8> for EntryState {
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	70	fn into(self) -> u8 {
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	71	match self {
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	72	EntryState::Normal => b'n',
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	73	EntryState::Added => b'a',
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	74	EntryState::Removed => b'r',
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	75	EntryState::Merged => b'm',
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	76	EntryState::Unknown => b'?',
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	77	}
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	78	}
7ceded4419a3 rust-dirstate: use EntryState enum instead of literals Rapha?l Gom?s <rgomes@octobus.net> parents: 42748 diff changeset	79	}

author	Rapha?l Gom?s <rgomes@octobus.net>
	Tue, 09 Jul 2019 12:15:09 +0200
changeset 42749	7ceded4419a3
parent 42748	7cae6bc29ff9
child 42753	fce6dc93a510
permissions	-rw-r--r--