predicates-core-1.0.6/.cargo_vcs_info.json0000644000000001510000000000100141060ustar { "git": { "sha1": "7b72b706abbf1509fc74ee18e363d2bc7e8520a6" }, "path_in_vcs": "crates/core" }predicates-core-1.0.6/Cargo.toml0000644000000040060000000000100121070ustar # 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 = "2021" rust-version = "1.64.0" name = "predicates-core" version = "1.0.6" authors = ["Nick Stevens "] include = [ "build.rs", "src/**/*", "Cargo.toml", "LICENSE*", "README.md", "benches/**/*", "examples/**/*", ] description = "An API for boolean-valued predicate functions." homepage = "https://github.com/assert-rs/predicates-rs/tree/master/crates/core" documentation = "https://docs.rs/predicates-core" readme = "README.md" keywords = [ "predicate", "boolean", "combinatorial", "match", "logic", ] categories = [ "data-structures", "rust-patterns", ] license = "MIT OR Apache-2.0" repository = "https://github.com/assert-rs/predicates-rs/tree/master/crates/core" [[package.metadata.release.pre-release-replacements]] file = "CHANGELOG.md" search = "Unreleased" replace = "{{version}}" min = 1 [[package.metadata.release.pre-release-replacements]] file = "CHANGELOG.md" search = '\.\.\.HEAD' replace = "...{{tag_name}}" exactly = 1 [[package.metadata.release.pre-release-replacements]] file = "CHANGELOG.md" search = "ReleaseDate" replace = "{{date}}" min = 1 [[package.metadata.release.pre-release-replacements]] file = "CHANGELOG.md" search = "" replace = """ ## [Unreleased] - ReleaseDate """ exactly = 1 [[package.metadata.release.pre-release-replacements]] file = "CHANGELOG.md" search = "" replace = """ [Unreleased]: https://github.com/assert-rs/predicates-rs/compare/{{tag_name}}...HEAD""" exactly = 1 predicates-core-1.0.6/Cargo.toml.orig000064400000000000000000000023161046102023000155720ustar 00000000000000[package] name = "predicates-core" version = "1.0.6" description = "An API for boolean-valued predicate functions." authors = ["Nick Stevens "] readme = "README.md" repository = "https://github.com/assert-rs/predicates-rs/tree/master/crates/core" homepage = "https://github.com/assert-rs/predicates-rs/tree/master/crates/core" documentation = "https://docs.rs/predicates-core" categories = ["data-structures", "rust-patterns"] keywords = ["predicate", "boolean", "combinatorial", "match", "logic"] license.workspace = true edition.workspace = true rust-version.workspace = true include.workspace = true [package.metadata.release] pre-release-replacements = [ {file="CHANGELOG.md", search="Unreleased", replace="{{version}}", min=1}, {file="CHANGELOG.md", search="\\.\\.\\.HEAD", replace="...{{tag_name}}", exactly=1}, {file="CHANGELOG.md", search="ReleaseDate", replace="{{date}}", min=1}, {file="CHANGELOG.md", search="", replace="\n## [Unreleased] - ReleaseDate\n", exactly=1}, {file="CHANGELOG.md", search="", replace="\n[Unreleased]: https://github.com/assert-rs/predicates-rs/compare/{{tag_name}}...HEAD", exactly=1}, ] predicates-core-1.0.6/LICENSE-APACHE000064400000000000000000000236751046102023000146420ustar 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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END OF TERMS AND CONDITIONS predicates-core-1.0.6/LICENSE-MIT000064400000000000000000000020561046102023000143400ustar 00000000000000MIT License Copyright (c) 2017 Nick Stevens 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. predicates-core-1.0.6/README.md000064400000000000000000000017751046102023000141720ustar 00000000000000# predicates-core > Traits for **boolean-valued predicate functions** in Rust. [![Build Status](https://dev.azure.com/assert-rs/assert-rs/_apis/build/status/predicates-rs?branchName=master)](https://dev.azure.com/assert-rs/assert-rs/_build/latest?definitionId=1&branchName=master) [![Documentation](https://img.shields.io/badge/docs-master-blue.svg)](https://docs.rs/predicates-core) ![License](https://img.shields.io/crates/l/predicates-core.svg) [![Crates.io](https://img.shields.io/crates/v/predicates-core.svg?maxAge=2592000)](https://crates.io/crates/predicates-core) [Changelog](https://github.com/assert-rs/predicates-rs/blob/master/crates/core/CHANGELOG.md) ## License `predicates-core` is distributed under the terms of both the MIT license and the Apache License (Version 2.0). See LICENSE-APACHE, and LICENSE-MIT for details. ## Credits Big thanks to [futures-rs](https://github.com/alexcrichton/futures-rs), whose slick API design informed a lot of decisions made on the API design of this library. predicates-core-1.0.6/src/core.rs000064400000000000000000000025051046102023000147700ustar 00000000000000// Copyright (c) 2018 The predicates-rs Project Developers. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use crate::reflection; /// Trait for generically evaluating a type against a dynamically created /// predicate function. /// /// The exact meaning of `eval` depends on the situation, but will usually /// mean that the evaluated item is in some sort of pre-defined set. This is /// different from `Ord` and `Eq` in that an `item` will almost never be the /// same type as the implementing `Predicate` type. pub trait Predicate: reflection::PredicateReflection { /// Execute this `Predicate` against `variable`, returning the resulting /// boolean. fn eval(&self, variable: &Item) -> bool; /// Find a case that proves this predicate as `expected` when run against `variable`. fn find_case<'a>(&'a self, expected: bool, variable: &Item) -> Option> { let actual = self.eval(variable); if expected == actual { Some(reflection::Case::new(None, actual)) } else { None } } } predicates-core-1.0.6/src/lib.rs000064400000000000000000000022621046102023000146060ustar 00000000000000// Copyright (c) 2018 The predicates-rs Project Developers. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. //! Composable first-order predicate trait. //! //! This library implements an interface to "predicates" - boolean-valued //! functions of one argument. This allows combinatorial logic to be created and //! assembled at runtime and then used one or more times for evaluating values. //! This sort of object is really useful when creating filters and checks that //! can be changed at runtime with user interaction - it allows a clean //! separation of concerns where the configuration code can be used to build up //! a predicate, and then that predicate can be given to the code that does the //! actual filtering without the filtering code knowing anything about user //! configuration. See the examples for how this can work. #![warn(missing_docs, missing_debug_implementations)] mod core; pub use crate::core::*; pub mod reflection; predicates-core-1.0.6/src/reflection.rs000064400000000000000000000147101046102023000161730ustar 00000000000000// Copyright (c) 2018 The predicates-rs Project Developers. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. //! Introspect into the state of a `Predicate`. use std::borrow; use std::fmt; use std::slice; /// Introspect the state of a `Predicate`. pub trait PredicateReflection: fmt::Display { /// Parameters of the current `Predicate`. fn parameters<'a>(&'a self) -> Box> + 'a> { let params = vec![]; Box::new(params.into_iter()) } /// Nested `Predicate`s of the current `Predicate`. fn children<'a>(&'a self) -> Box> + 'a> { let params = vec![]; Box::new(params.into_iter()) } } /// A view of a `Predicate` parameter, provided by reflection. /// /// ```rust /// use predicates_core; /// /// let param = predicates_core::reflection::Parameter::new("key", &10); /// println!("{}", param); /// ``` pub struct Parameter<'a>(&'a str, &'a dyn fmt::Display); impl<'a> Parameter<'a> { /// Create a new `Parameter`. pub fn new(key: &'a str, value: &'a dyn fmt::Display) -> Self { Self(key, value) } /// Access the `Parameter` name. pub fn name(&self) -> &str { self.0 } /// Access the `Parameter` value. pub fn value(&self) -> &dyn fmt::Display { self.1 } } impl<'a> fmt::Display for Parameter<'a> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{}: {}", self.0, self.1) } } impl<'a> fmt::Debug for Parameter<'a> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "({:?}, {})", self.0, self.1) } } /// A view of a `Predicate` child, provided by reflection. pub struct Child<'a>(&'a str, &'a dyn PredicateReflection); impl<'a> Child<'a> { /// Create a new `Predicate` child. pub fn new(key: &'a str, value: &'a dyn PredicateReflection) -> Self { Self(key, value) } /// Access the `Child`'s name. pub fn name(&self) -> &str { self.0 } /// Access the `Child` `Predicate`. pub fn value(&self) -> &dyn PredicateReflection { self.1 } } impl<'a> fmt::Display for Child<'a> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{}: {}", self.0, self.1) } } impl<'a> fmt::Debug for Child<'a> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "({:?}, {})", self.0, self.1) } } /// A descriptive explanation for why a predicate failed. pub struct Case<'a> { predicate: Option<&'a dyn PredicateReflection>, result: bool, products: Vec, children: Vec>, } impl<'a> Case<'a> { /// Create a new `Case` describing the result of a `Predicate`. pub fn new(predicate: Option<&'a dyn PredicateReflection>, result: bool) -> Self { Self { predicate, result, products: Default::default(), children: Default::default(), } } /// Add an additional by product to a `Case`. pub fn add_product(mut self, product: Product) -> Self { self.products.push(product); self } /// Add an additional by product to a `Case`. pub fn add_child(mut self, child: Case<'a>) -> Self { self.children.push(child); self } /// The `Predicate` that produced this case. pub fn predicate(&self) -> Option<&dyn PredicateReflection> { self.predicate } /// The result of this case. pub fn result(&self) -> bool { self.result } /// Access the by-products from determining this case. pub fn products(&self) -> CaseProducts<'_> { CaseProducts(self.products.iter()) } /// Access the sub-cases. pub fn children(&self) -> CaseChildren<'_> { CaseChildren(self.children.iter()) } } impl<'a> fmt::Debug for Case<'a> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let predicate = if let Some(ref predicate) = self.predicate { format!("Some({})", predicate) } else { "None".to_owned() }; f.debug_struct("Case") .field("predicate", &predicate) .field("result", &self.result) .field("products", &self.products) .field("children", &self.children) .finish() } } /// Iterator over a `Case`s by-products. #[derive(Debug, Clone)] pub struct CaseProducts<'a>(slice::Iter<'a, Product>); impl<'a> Iterator for CaseProducts<'a> { type Item = &'a Product; fn next(&mut self) -> Option<&'a Product> { self.0.next() } fn size_hint(&self) -> (usize, Option) { self.0.size_hint() } fn count(self) -> usize { self.0.count() } } /// Iterator over a `Case`s sub-cases. #[derive(Debug, Clone)] pub struct CaseChildren<'a>(slice::Iter<'a, Case<'a>>); impl<'a> Iterator for CaseChildren<'a> { type Item = &'a Case<'a>; fn next(&mut self) -> Option<&'a Case<'a>> { self.0.next() } fn size_hint(&self) -> (usize, Option) { self.0.size_hint() } fn count(self) -> usize { self.0.count() } } /// A by-product of a predicate evaluation. /// /// ```rust /// use predicates_core; /// /// let product = predicates_core::reflection::Product::new("key", "value"); /// println!("{}", product); /// let product = predicates_core::reflection::Product::new(format!("key-{}", 5), 30); /// println!("{}", product); /// ``` pub struct Product(borrow::Cow<'static, str>, Box); impl Product { /// Create a new `Product`. pub fn new(key: S, value: D) -> Self where S: Into>, D: fmt::Display + 'static, { Self(key.into(), Box::new(value)) } /// Access the `Product` name. pub fn name(&self) -> &str { self.0.as_ref() } /// Access the `Product` value. pub fn value(&self) -> &dyn fmt::Display { &self.1 } } impl fmt::Display for Product { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{}: {}", self.0, self.1) } } impl fmt::Debug for Product { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "({:?}, {})", self.0, self.1) } }