Mercurial > hg
view rust/hg-core/src/dirstate_tree/dispatch.rs @ 47332:4ee9f419c52e
rust: Return owned instead of borrowed DirstateEntry in DirstateMap APIs
This will enable the tree-based DirstateMap to not always have an actual
DirstateEntry in memory for all nodes, but construct it on demand.
Differential Revision: https://phab.mercurial-scm.org/D10746
author | Simon Sapin <simon.sapin@octobus.net> |
---|---|
date | Wed, 19 May 2021 13:15:00 +0200 |
parents | 1766130fe9ba |
children | ed1583a845d2 |
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use std::path::PathBuf; use crate::dirstate::parsers::Timestamp; use crate::matchers::Matcher; use crate::utils::hg_path::{HgPath, HgPathBuf}; use crate::CopyMapIter; use crate::DirstateEntry; use crate::DirstateError; use crate::DirstateMap; use crate::DirstateMapError; use crate::DirstateParents; use crate::DirstateStatus; use crate::EntryState; use crate::PatternFileWarning; use crate::StateMapIter; use crate::StatusError; use crate::StatusOptions; pub trait DirstateMapMethods { fn clear(&mut self); fn add_file( &mut self, filename: &HgPath, old_state: EntryState, entry: DirstateEntry, ) -> Result<(), DirstateMapError>; fn remove_file( &mut self, filename: &HgPath, old_state: EntryState, size: i32, ) -> Result<(), DirstateMapError>; fn drop_file( &mut self, filename: &HgPath, old_state: EntryState, ) -> Result<bool, DirstateMapError>; fn clear_ambiguous_times(&mut self, filenames: Vec<HgPathBuf>, now: i32); fn non_normal_entries_contains(&mut self, key: &HgPath) -> bool; fn non_normal_entries_remove(&mut self, key: &HgPath); fn non_normal_or_other_parent_paths( &mut self, ) -> Box<dyn Iterator<Item = &HgPath> + '_>; fn set_non_normal_other_parent_entries(&mut self, force: bool); fn iter_non_normal_paths( &mut self, ) -> Box<dyn Iterator<Item = &HgPath> + Send + '_>; fn iter_non_normal_paths_panic( &self, ) -> Box<dyn Iterator<Item = &HgPath> + Send + '_>; fn iter_other_parent_paths( &mut self, ) -> Box<dyn Iterator<Item = &HgPath> + Send + '_>; fn has_tracked_dir( &mut self, directory: &HgPath, ) -> Result<bool, DirstateMapError>; fn has_dir( &mut self, directory: &HgPath, ) -> Result<bool, DirstateMapError>; fn pack_v1( &mut self, parents: DirstateParents, now: Timestamp, ) -> Result<Vec<u8>, DirstateError>; fn pack_v2( &mut self, parents: DirstateParents, now: Timestamp, ) -> Result<Vec<u8>, DirstateError>; fn set_all_dirs(&mut self) -> Result<(), DirstateMapError>; fn set_dirs(&mut self) -> Result<(), DirstateMapError>; fn status<'a>( &'a mut self, matcher: &'a (dyn Matcher + Sync), root_dir: PathBuf, ignore_files: Vec<PathBuf>, options: StatusOptions, ) -> Result<(DirstateStatus<'a>, Vec<PatternFileWarning>), StatusError>; fn copy_map_len(&self) -> usize; fn copy_map_iter(&self) -> CopyMapIter<'_>; fn copy_map_contains_key(&self, key: &HgPath) -> bool; fn copy_map_get(&self, key: &HgPath) -> Option<&HgPath>; fn copy_map_remove(&mut self, key: &HgPath) -> Option<HgPathBuf>; fn copy_map_insert( &mut self, key: HgPathBuf, value: HgPathBuf, ) -> Option<HgPathBuf>; fn len(&self) -> usize; fn contains_key(&self, key: &HgPath) -> bool; fn get(&self, key: &HgPath) -> Option<DirstateEntry>; fn iter(&self) -> StateMapIter<'_>; } impl DirstateMapMethods for DirstateMap { fn clear(&mut self) { self.clear() } fn add_file( &mut self, filename: &HgPath, old_state: EntryState, entry: DirstateEntry, ) -> Result<(), DirstateMapError> { self.add_file(filename, old_state, entry) } fn remove_file( &mut self, filename: &HgPath, old_state: EntryState, size: i32, ) -> Result<(), DirstateMapError> { self.remove_file(filename, old_state, size) } fn drop_file( &mut self, filename: &HgPath, old_state: EntryState, ) -> Result<bool, DirstateMapError> { self.drop_file(filename, old_state) } fn clear_ambiguous_times(&mut self, filenames: Vec<HgPathBuf>, now: i32) { self.clear_ambiguous_times(filenames, now) } fn non_normal_entries_contains(&mut self, key: &HgPath) -> bool { let (non_normal, _other_parent) = self.get_non_normal_other_parent_entries(); non_normal.contains(key) } fn non_normal_entries_remove(&mut self, key: &HgPath) { self.non_normal_entries_remove(key) } fn non_normal_or_other_parent_paths( &mut self, ) -> Box<dyn Iterator<Item = &HgPath> + '_> { let (non_normal, other_parent) = self.get_non_normal_other_parent_entries(); Box::new(non_normal.union(other_parent).map(|p| &**p)) } fn set_non_normal_other_parent_entries(&mut self, force: bool) { self.set_non_normal_other_parent_entries(force) } fn iter_non_normal_paths( &mut self, ) -> Box<dyn Iterator<Item = &HgPath> + Send + '_> { let (non_normal, _other_parent) = self.get_non_normal_other_parent_entries(); Box::new(non_normal.iter().map(|p| &**p)) } fn iter_non_normal_paths_panic( &self, ) -> Box<dyn Iterator<Item = &HgPath> + Send + '_> { let (non_normal, _other_parent) = self.get_non_normal_other_parent_entries_panic(); Box::new(non_normal.iter().map(|p| &**p)) } fn iter_other_parent_paths( &mut self, ) -> Box<dyn Iterator<Item = &HgPath> + Send + '_> { let (_non_normal, other_parent) = self.get_non_normal_other_parent_entries(); Box::new(other_parent.iter().map(|p| &**p)) } fn has_tracked_dir( &mut self, directory: &HgPath, ) -> Result<bool, DirstateMapError> { self.has_tracked_dir(directory) } fn has_dir( &mut self, directory: &HgPath, ) -> Result<bool, DirstateMapError> { self.has_dir(directory) } fn pack_v1( &mut self, parents: DirstateParents, now: Timestamp, ) -> Result<Vec<u8>, DirstateError> { self.pack(parents, now) } fn pack_v2( &mut self, _parents: DirstateParents, _now: Timestamp, ) -> Result<Vec<u8>, DirstateError> { panic!( "should have used dirstate_tree::DirstateMap to use the v2 format" ) } fn set_all_dirs(&mut self) -> Result<(), DirstateMapError> { self.set_all_dirs() } fn set_dirs(&mut self) -> Result<(), DirstateMapError> { self.set_dirs() } fn status<'a>( &'a mut self, matcher: &'a (dyn Matcher + Sync), root_dir: PathBuf, ignore_files: Vec<PathBuf>, options: StatusOptions, ) -> Result<(DirstateStatus<'a>, Vec<PatternFileWarning>), StatusError> { crate::status(self, matcher, root_dir, ignore_files, options) } fn copy_map_len(&self) -> usize { self.copy_map.len() } fn copy_map_iter(&self) -> CopyMapIter<'_> { Box::new(self.copy_map.iter().map(|(key, value)| (&**key, &**value))) } fn copy_map_contains_key(&self, key: &HgPath) -> bool { self.copy_map.contains_key(key) } fn copy_map_get(&self, key: &HgPath) -> Option<&HgPath> { self.copy_map.get(key).map(|p| &**p) } fn copy_map_remove(&mut self, key: &HgPath) -> Option<HgPathBuf> { self.copy_map.remove(key) } fn copy_map_insert( &mut self, key: HgPathBuf, value: HgPathBuf, ) -> Option<HgPathBuf> { self.copy_map.insert(key, value) } fn len(&self) -> usize { (&**self).len() } fn contains_key(&self, key: &HgPath) -> bool { (&**self).contains_key(key) } fn get(&self, key: &HgPath) -> Option<DirstateEntry> { (&**self).get(key).cloned() } fn iter(&self) -> StateMapIter<'_> { Box::new((&**self).iter().map(|(key, value)| (&**key, *value))) } }