type-map-0.5.1/.cargo_vcs_info.json0000644000000001360000000000100125730ustar { "git": { "sha1": "d3ab3e642736d87f3fa8b1e6c8f13a93fcfb72e1" }, "path_in_vcs": "" }type-map-0.5.1/.gitignore000064400000000000000000000000361046102023000133520ustar 00000000000000/target **/*.rs.bk Cargo.lock type-map-0.5.1/Cargo.toml0000644000000017160000000000100105760ustar # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO # # When uploading crates to the registry Cargo will automatically # "normalize" Cargo.toml files for maximal compatibility # with all versions of Cargo and also rewrite `path` dependencies # to registry (e.g., crates.io) dependencies. # # If you are reading this file be aware that the original Cargo.toml # will likely look very different (and much more reasonable). # See Cargo.toml.orig for the original contents. [package] edition = "2018" name = "type-map" version = "0.5.1" authors = ["Jacob Brown "] build = false autobins = false autoexamples = false autotests = false autobenches = false description = "Provides a typemap container with FxHashMap" readme = "README.md" keywords = [ "typemap", "extensions", "hashmap", ] license = "MIT/Apache-2.0" repository = "https://github.com/kardeiz/type-map" [lib] name = "type_map" path = "src/lib.rs" [dependencies.rustc-hash] version = "2" type-map-0.5.1/Cargo.toml.orig000064400000000000000000000005361046102023000142560ustar 00000000000000[package] name = "type-map" version = "0.5.1" authors = ["Jacob Brown "] edition = "2018" license = "MIT/Apache-2.0" repository = "https://github.com/kardeiz/type-map" readme = "README.md" keywords = ["typemap", "extensions", "hashmap"] description = "Provides a typemap container with FxHashMap" [dependencies] rustc-hash = "2" type-map-0.5.1/LICENSE-APACHE000064400000000000000000000541101046102023000133100ustar 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. "Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. 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While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives. Copyright [yyyy] [name of copyright owner] Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --- Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. "Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. 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While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "{}" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives. Copyright 2017-NOW Actix Team Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.type-map-0.5.1/LICENSE-MIT000064400000000000000000000062311046102023000130210ustar 00000000000000Copyright (c) 2022 Jacob Brown Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. --- Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. --- Copyright (c) 2017-NOW Actix Team Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.type-map-0.5.1/README.md000064400000000000000000000013161046102023000126430ustar 00000000000000# type-map [![Docs](https://docs.rs/type-map/badge.svg)](https://docs.rs/crate/type-map/) [![Crates.io](https://img.shields.io/crates/v/type-map.svg)](https://crates.io/crates/type-map) `TypeMap` is a typed `HashMap` for `Any` values, similar to [`typemap`](https://github.com/reem/rust-typemap), [`http::Extensions`](https://docs.rs/http/*/http/struct.Extensions.html), and [`actix-http::Extensions`](https://docs.rs/actix-http/*/actix_http/struct.Extensions.html). Provides the best of both `http::Extensions` and `actix_http::Extensions`, with some code and tests drawn directly from `actix-http::Extensions`. Useful when you need a typemap container, but not in the context of `actix-web` or an `http` project.type-map-0.5.1/src/lib.rs000064400000000000000000000331621046102023000132730ustar 00000000000000use std::any::{Any, TypeId}; use rustc_hash::FxHashMap; use std::collections::hash_map; use std::marker::PhantomData; /// Prepared key-value pair pub struct KvPair(TypeId, Box); impl KvPair { pub fn new(value: T) -> Self { KvPair(TypeId::of::(), Box::new(value)) } pub fn extract(self) -> Result { let KvPair(key, value) = self; value .downcast() .map(|boxed| *boxed) .map_err(|e| KvPair(key, e)) } } /// A view into an occupied entry in a `TypeMap`. #[derive(Debug)] pub struct OccupiedEntry<'a, T> { data: hash_map::OccupiedEntry<'a, TypeId, Box>, marker: PhantomData, } impl<'a, T: 'static> OccupiedEntry<'a, T> { /// Gets a reference to the value in the entry. pub fn get(&self) -> &T { self.data.get().downcast_ref().unwrap() } ///Gets a mutable reference to the value in the entry. pub fn get_mut(&mut self) -> &mut T { self.data.get_mut().downcast_mut().unwrap() } /// Converts the `OccupiedEntry` into a mutable reference to the value in the entry /// with a lifetime bound to the map itself. pub fn into_mut(self) -> &'a mut T { self.data.into_mut().downcast_mut().unwrap() } /// Sets the value of the entry, and returns the entry's old value. pub fn insert(&mut self, value: T) -> T { self.data .insert(Box::new(value)) .downcast() .map(|boxed| *boxed) .unwrap() } /// Takes the value out of the entry, and returns it. pub fn remove(self) -> T { self.data.remove().downcast().map(|boxed| *boxed).unwrap() } } /// A view into a vacant entry in a `TypeMap`. #[derive(Debug)] pub struct VacantEntry<'a, T> { data: hash_map::VacantEntry<'a, TypeId, Box>, marker: PhantomData, } impl<'a, T: 'static> VacantEntry<'a, T> { /// Sets the value of the entry with the key of the `VacantEntry`, and returns a mutable reference to it. pub fn insert(self, value: T) -> &'a mut T { self.data.insert(Box::new(value)).downcast_mut().unwrap() } } /// A view into a single entry in a map, which may either be vacant or occupied. #[derive(Debug)] pub enum Entry<'a, T> { Occupied(OccupiedEntry<'a, T>), Vacant(VacantEntry<'a, T>), } impl<'a, T: 'static> Entry<'a, T> { /// Ensures a value is in the entry by inserting the default if empty, and returns /// a mutable reference to the value in the entry. pub fn or_insert(self, default: T) -> &'a mut T { match self { Entry::Occupied(inner) => inner.into_mut(), Entry::Vacant(inner) => inner.insert(default), } } /// Ensures a value is in the entry by inserting the result of the default function if empty, and returns /// a mutable reference to the value in the entry. pub fn or_insert_with T>(self, default: F) -> &'a mut T { match self { Entry::Occupied(inner) => inner.into_mut(), Entry::Vacant(inner) => inner.insert(default()), } } } #[derive(Debug, Default)] /// The typemap container pub struct TypeMap { map: Option>>, } impl TypeMap { /// Create an empty `TypeMap`. #[inline] pub fn new() -> Self { Self { map: None } } /// Insert a prepared `KvPair` into this `TypeMap`. /// /// If a value of this type already exists, it will be returned. pub fn insert_kv_pair(&mut self, KvPair(key, value): KvPair) -> Option { self.map .get_or_insert_with(FxHashMap::default) .insert(key, value) .map(|old_value| KvPair(key, old_value)) } /// Insert a value into this `TypeMap`. /// /// If a value of this type already exists, it will be returned. pub fn insert(&mut self, val: T) -> Option { self.map .get_or_insert_with(FxHashMap::default) .insert(TypeId::of::(), Box::new(val)) .and_then(|boxed| boxed.downcast().ok().map(|boxed| *boxed)) } /// Check if container contains value for type pub fn contains(&self) -> bool { self.map .as_ref() .and_then(|m| m.get(&TypeId::of::())) .is_some() } /// Get a reference to a value previously inserted on this `TypeMap`. pub fn get(&self) -> Option<&T> { self.map .as_ref() .and_then(|m| m.get(&TypeId::of::())) .and_then(|boxed| boxed.downcast_ref()) } /// Get a mutable reference to a value previously inserted on this `TypeMap`. pub fn get_mut(&mut self) -> Option<&mut T> { self.map .as_mut() .and_then(|m| m.get_mut(&TypeId::of::())) .and_then(|boxed| boxed.downcast_mut()) } /// Remove a value from this `TypeMap`. /// /// If a value of this type exists, it will be returned. pub fn remove(&mut self) -> Option { self.map .as_mut() .and_then(|m| m.remove(&TypeId::of::())) .and_then(|boxed| boxed.downcast().ok().map(|boxed| *boxed)) } /// Clear the `TypeMap` of all inserted values. #[inline] pub fn clear(&mut self) { self.map = None; } /// Get an entry in the `TypeMap` for in-place manipulation. pub fn entry(&mut self) -> Entry { match self .map .get_or_insert_with(FxHashMap::default) .entry(TypeId::of::()) { hash_map::Entry::Occupied(e) => Entry::Occupied(OccupiedEntry { data: e, marker: PhantomData, }), hash_map::Entry::Vacant(e) => Entry::Vacant(VacantEntry { data: e, marker: PhantomData, }), } } } /// Provides the same `TypeMap` container, but with `Send` + `Sync` bounds on values pub mod concurrent { use std::any::{Any, TypeId}; use rustc_hash::FxHashMap; use std::collections::hash_map; use std::marker::PhantomData; /// Prepared key-value pair pub struct KvPair(TypeId, Box); impl KvPair { pub fn new(value: T) -> Self { KvPair(TypeId::of::(), Box::new(value)) } pub fn extract(self) -> Result { let KvPair(key, value) = self; if value.is::() { Ok((value as Box) .downcast() .map(|boxed| *boxed) .unwrap()) } else { Err(KvPair(key, value)) } } } /// A view into an occupied entry in a `TypeMap`. #[derive(Debug)] pub struct OccupiedEntry<'a, T> { data: hash_map::OccupiedEntry<'a, TypeId, Box>, marker: PhantomData, } impl<'a, T: 'static + Send + Sync> OccupiedEntry<'a, T> { /// Gets a reference to the value in the entry. pub fn get(&self) -> &T { self.data.get().downcast_ref().unwrap() } ///Gets a mutable reference to the value in the entry. pub fn get_mut(&mut self) -> &mut T { self.data.get_mut().downcast_mut().unwrap() } /// Converts the `OccupiedEntry` into a mutable reference to the value in the entry /// with a lifetime bound to the map itself. pub fn into_mut(self) -> &'a mut T { self.data.into_mut().downcast_mut().unwrap() } /// Sets the value of the entry, and returns the entry's old value. pub fn insert(&mut self, value: T) -> T { (self.data.insert(Box::new(value)) as Box) .downcast() .map(|boxed| *boxed) .unwrap() } /// Takes the value out of the entry, and returns it. pub fn remove(self) -> T { (self.data.remove() as Box) .downcast() .map(|boxed| *boxed) .unwrap() } } /// A view into a vacant entry in a `TypeMap`. #[derive(Debug)] pub struct VacantEntry<'a, T> { data: hash_map::VacantEntry<'a, TypeId, Box>, marker: PhantomData, } impl<'a, T: 'static + Send + Sync> VacantEntry<'a, T> { /// Sets the value of the entry with the key of the `VacantEntry`, and returns a mutable reference to it. pub fn insert(self, value: T) -> &'a mut T { self.data.insert(Box::new(value)).downcast_mut().unwrap() } } /// A view into a single entry in a map, which may either be vacant or occupied. #[derive(Debug)] pub enum Entry<'a, T> { Occupied(OccupiedEntry<'a, T>), Vacant(VacantEntry<'a, T>), } impl<'a, T: 'static + Send + Sync> Entry<'a, T> { /// Ensures a value is in the entry by inserting the default if empty, and returns /// a mutable reference to the value in the entry. pub fn or_insert(self, default: T) -> &'a mut T { match self { Entry::Occupied(inner) => inner.into_mut(), Entry::Vacant(inner) => inner.insert(default), } } /// Ensures a value is in the entry by inserting the result of the default function if empty, and returns /// a mutable reference to the value in the entry. pub fn or_insert_with T>(self, default: F) -> &'a mut T { match self { Entry::Occupied(inner) => inner.into_mut(), Entry::Vacant(inner) => inner.insert(default()), } } } #[derive(Debug, Default)] /// The typemap container pub struct TypeMap { map: Option>>, } impl TypeMap { /// Create an empty `TypeMap`. #[inline] pub fn new() -> Self { Self { map: None } } /// Insert a prepared `KvPair` into this `TypeMap`. /// /// If a value of this type already exists, it will be returned. pub fn insert_kv_pair(&mut self, KvPair(key, value): KvPair) -> Option { self.map .get_or_insert_with(FxHashMap::default) .insert(key, value) .map(|old_value| KvPair(key, old_value)) } /// Insert a value into this `TypeMap`. /// /// If a value of this type already exists, it will be returned. pub fn insert(&mut self, val: T) -> Option { self.map .get_or_insert_with(FxHashMap::default) .insert(TypeId::of::(), Box::new(val)) .and_then(|boxed| (boxed as Box).downcast().ok().map(|boxed| *boxed)) } /// Check if container contains value for type pub fn contains(&self) -> bool { self.map .as_ref() .and_then(|m| m.get(&TypeId::of::())) .is_some() } /// Get a reference to a value previously inserted on this `TypeMap`. pub fn get(&self) -> Option<&T> { self.map .as_ref() .and_then(|m| m.get(&TypeId::of::())) .and_then(|boxed| boxed.downcast_ref()) } /// Get a mutable reference to a value previously inserted on this `TypeMap`. pub fn get_mut(&mut self) -> Option<&mut T> { self.map .as_mut() .and_then(|m| m.get_mut(&TypeId::of::())) .and_then(|boxed| boxed.downcast_mut()) } /// Remove a value from this `TypeMap`. /// /// If a value of this type exists, it will be returned. pub fn remove(&mut self) -> Option { self.map .as_mut() .and_then(|m| m.remove(&TypeId::of::())) .and_then(|boxed| (boxed as Box).downcast().ok().map(|boxed| *boxed)) } /// Clear the `TypeMap` of all inserted values. #[inline] pub fn clear(&mut self) { self.map = None; } /// Get an entry in the `TypeMap` for in-place manipulation. pub fn entry(&mut self) -> Entry { match self .map .get_or_insert_with(FxHashMap::default) .entry(TypeId::of::()) { hash_map::Entry::Occupied(e) => Entry::Occupied(OccupiedEntry { data: e, marker: PhantomData, }), hash_map::Entry::Vacant(e) => Entry::Vacant(VacantEntry { data: e, marker: PhantomData, }), } } } } #[test] fn test_type_map() { #[derive(Debug, PartialEq)] struct MyType(i32); #[derive(Debug, PartialEq, Default)] struct MyType2(String); let mut map = TypeMap::new(); map.insert(5i32); map.insert(MyType(10)); assert_eq!(map.get(), Some(&5i32)); assert_eq!(map.get_mut(), Some(&mut 5i32)); assert_eq!(map.remove::(), Some(5i32)); assert!(map.get::().is_none()); assert_eq!(map.get::(), None); assert_eq!(map.get(), Some(&MyType(10))); let entry = map.entry::(); let v = entry.or_insert_with(MyType2::default); v.0 = "Hello".into(); assert_eq!(map.get(), Some(&MyType2("Hello".into()))); }