author | Raphaël Gomès <rgomes@octobus.net> |
Thu, 22 Aug 2019 14:31:07 +0200 | |
changeset 42850 | b1b984f9c01d |
parent 42818 | 2e1f74cc3350 |
child 42892 | 7083ac37314f |
permissions | -rw-r--r-- |
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// dirstate module |
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// |
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// Copyright 2019 Raphaël Gomès <rgomes@octobus.net> |
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// |
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// This software may be used and distributed according to the terms of the |
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// GNU General Public License version 2 or any later version. |
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use crate::DirstateParseError; |
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use std::collections::HashMap; |
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use std::convert::TryFrom; |
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pub mod dirs_multiset; |
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pub mod dirstate_map; |
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pub mod parsers; |
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#[derive(Debug, PartialEq, Clone)] |
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pub struct DirstateParents { |
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pub p1: [u8; 20], |
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pub p2: [u8; 20], |
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} |
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/// The C implementation uses all signed types. This will be an issue |
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/// either when 4GB+ source files are commonplace or in 2038, whichever |
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/// comes first. |
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#[derive(Debug, PartialEq, Copy, Clone)] |
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pub struct DirstateEntry { |
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pub state: EntryState, |
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pub mode: i32, |
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pub mtime: i32, |
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pub size: i32, |
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} |
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pub type StateMap = HashMap<Vec<u8>, DirstateEntry>; |
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pub type CopyMap = HashMap<Vec<u8>, Vec<u8>>; |
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#[derive(Copy, Clone, Debug, Eq, PartialEq)] |
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pub enum EntryState { |
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Normal, |
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Added, |
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Removed, |
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Merged, |
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Unknown, |
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} |
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impl TryFrom<u8> for EntryState { |
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type Error = DirstateParseError; |
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fn try_from(value: u8) -> Result<Self, Self::Error> { |
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match value { |
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b'n' => Ok(EntryState::Normal), |
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b'a' => Ok(EntryState::Added), |
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b'r' => Ok(EntryState::Removed), |
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b'm' => Ok(EntryState::Merged), |
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b'?' => Ok(EntryState::Unknown), |
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_ => Err(DirstateParseError::CorruptedEntry(format!( |
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"Incorrect entry state {}", |
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value |
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))), |
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} |
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} |
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} |
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impl Into<u8> for EntryState { |
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fn into(self) -> u8 { |
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match self { |
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EntryState::Normal => b'n', |
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EntryState::Added => b'a', |
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EntryState::Removed => b'r', |
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EntryState::Merged => b'm', |
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EntryState::Unknown => b'?', |
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} |
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} |
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} |