1 // Copyright (C) 2024 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 use std::collections::BTreeMap; 16 17 use crates_index::Dependency; 18 use semver::VersionReq; 19 20 mod android_target; 21 pub use android_target::AndroidTarget; 22 23 mod dependency_diff; 24 pub use dependency_diff::DependencyDiffer; 25 26 mod feature; 27 pub use feature::{FeatureRef, FeaturesAndOptionalDeps}; 28 29 mod feature_diff; 30 pub use feature_diff::{FeatureDiff, FeatureDiffer}; 31 32 mod feature_resolver; 33 pub use feature_resolver::FeatureResolver; 34 35 mod index; 36 pub use index::CratesIoIndex; 37 38 type DepSet<'a> = BTreeMap<&'a str, &'a Dependency>; 39 40 pub trait ParsedVersionReq { parsed_version_req(&self) -> Result<VersionReq, semver::Error>41 fn parsed_version_req(&self) -> Result<VersionReq, semver::Error>; 42 } 43 44 impl ParsedVersionReq for Dependency { parsed_version_req(&self) -> Result<VersionReq, semver::Error>45 fn parsed_version_req(&self) -> Result<VersionReq, semver::Error> { 46 VersionReq::parse(self.requirement()) 47 } 48 } 49 50 /// Error types for the 'crates_io_util' crate. 51 #[derive(thiserror::Error, Debug)] 52 pub enum Error { 53 /// Crate not found in crates.io 54 #[error("Crate {0} not found in crates.io")] 55 CrateNotFound(String), 56 /// Feature not found for crate 57 #[error("Feature {0} not found for crate {1}")] 58 FeatureNotFound(String, String), 59 /// Dependency not found for crate 60 #[error("Dependency {0} not found for crate {1}")] 61 DepNotFound(String, String), 62 /// Failed to get HTTP headers 63 #[error("Failed to get HTTP headers")] 64 HttpHeader, 65 /// Error fetching HTTP data 66 #[error(transparent)] 67 HttpFetch(#[from] ureq::Error), 68 /// Propagated crates_index::Error 69 #[error(transparent)] 70 CratesIndex(#[from] crates_index::Error), 71 /// Propagated crates_index::http::Error 72 #[error(transparent)] 73 CratesIndexHttp(#[from] crates_index::http::Error), 74 } 75