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https://github.com/viz-rs/path-tree
path-tree is a lightweight high performance HTTP request router for Rust
https://github.com/viz-rs/path-tree
Last synced: 23 days ago
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path-tree is a lightweight high performance HTTP request router for Rust
- Host: GitHub
- URL: https://github.com/viz-rs/path-tree
- Owner: viz-rs
- License: apache-2.0
- Created: 2019-03-02T10:26:41.000Z (over 5 years ago)
- Default Branch: main
- Last Pushed: 2024-05-12T03:58:32.000Z (about 2 months ago)
- Last Synced: 2024-05-13T04:03:11.818Z (about 2 months ago)
- Language: Rust
- Homepage:
- Size: 335 KB
- Stars: 113
- Watchers: 4
- Forks: 16
- Open Issues: 9
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE-APACHE
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- awesome - viz-rs/path-tree - path-tree is a lightweight high performance HTTP request router for Rust (Rust)
- awesome-stars - path-tree - path-tree is a lightweight high performance HTTP request router for Rust (Rust)
- awesome-stars - viz-rs/path-tree - path-tree is a lightweight high performance HTTP request router for Rust (Rust)
README
path-tree
A lightweight high performance HTTP request router for Rust
## Parameters Syntax
| Pattern | Kind | Description |
| ------------------------------- | ------------------- | ------------------------------------------------------------------------------ |
| `:name` | `Normal` | Matches a path piece, excludes `/` |
| `:name?` | `Optional` | Matches an optional path piece, excludes `/` |
| `/:name?/` `/:name?` | `OptionalSegment` | Matches an optional path segment, excludes `/`, prefix or suffix should be `/` |
| `+` `:name+` | `OneOrMore` | Matches a path piece, includes `/` |
| `*` `:name*` | `ZeroOrMore` | Matches an optional path piece, includes `/` |
| `/*/` `/*` `/:name*/` `/:name*` | `ZeroOrMoreSegment` | Matches zero or more path segments, prefix or suffix should be `/` |
## Supports
| Case | Parameters |
| ----------------------- | ----------- |
| `:a:b` | `a` `b` |
| `:a:b?` | `a` `b` |
| `:a-:b` `:a.:b` `:a~:b` | `a` `b` |
| `:a_a-:b_b` | `a_a` `b_b` |
| `:a\\:` `:a\\_` | `a` |
| `:a\\::b` `:a\\_:b` | `a` `b` |
| `:a*` | `a` |
| `*` | `*1` |
| `*.*` | `*1` `*2` |
| `:a+` | `a` |
| `+` | `+1` |
| `+.+` | `+1` `+2` |
| `/*/abc/+/def/g` | `*1` `+2` |
## Examples
```rust
use path_tree::PathTree;
/*
/ •0
├── api/
│ └── + •13
├── login •1
├── public/
│ └── ** •7
├── s
│ ├── ettings •3
│ │ └── /
│ │ └── : •4
│ └── ignup •2
└── : •5
└── /
└── : •6
└── /
├── actions/
│ └── :
│ └── \:
│ └── : •10
├── releases/download/
│ └── :
│ └── /
│ └── :
│ └── .
│ └── : •8
├── tags/
│ └── :
│ └── -
│ └── :
│ └── -
│ └── : •9
├── : •11
└── ** •12
*/
let mut tree = PathTree::new();
tree.insert("/", 0);
tree.insert("/login", 1);
tree.insert("/signup", 2);
tree.insert("/settings", 3);
tree.insert("/settings/:page", 4);
tree.insert("/:user", 5);
tree.insert("/:user/:repo", 6);
tree.insert("/public/:any*", 7);
tree.insert("/:org/:repo/releases/download/:tag/:filename.:ext", 8);
tree.insert("/:org/:repo/tags/:day-:month-:year", 9);
tree.insert("/:org/:repo/actions/:name\\::verb", 10);
tree.insert("/:org/:repo/:page", 11);
tree.insert("/:org/:repo/*", 12);
tree.insert("/api/+", 13);
let (h, p) = tree.find("/").unwrap();
assert_eq!(h, &0);
assert_eq!(p.params(), vec![]);
let (h, p) = tree.find("/login").unwrap();
assert_eq!(h, &1);
assert_eq!(p.params(), vec![]);
let (h, p) = tree.find("/settings/admin").unwrap();
assert_eq!(h, &4);
assert_eq!(p.params(), vec![("page", "admin")]);
let (h, p) = tree.find("/viz-rs").unwrap();
assert_eq!(h, &5);
assert_eq!(p.params(), vec![("user", "viz-rs")]);
let (h, p) = tree.find("/viz-rs/path-tree").unwrap();
assert_eq!(h, &6);
assert_eq!(p.params(), vec![("user", "viz-rs"), ("repo", "path-tree")]);
let (h, p) = tree.find("/rust-lang/rust-analyzer/releases/download/2022-09-12/rust-analyzer-aarch64-apple-darwin.gz").unwrap();
assert_eq!(h, &8);
assert_eq!(
p.params(),
vec![
("org", "rust-lang"),
("repo", "rust-analyzer"),
("tag", "2022-09-12"),
("filename", "rust-analyzer-aarch64-apple-darwin"),
("ext", "gz")
]
);
let (h, p) = tree.find("/rust-lang/rust-analyzer/tags/2022-09-12").unwrap();
assert_eq!(h, &9);
assert_eq!(
p.params(),
vec![
("org", "rust-lang"),
("repo", "rust-analyzer"),
("day", "2022"),
("month", "09"),
("year", "12")
]
);
let (h, p) = tree.find("/rust-lang/rust-analyzer/actions/ci:bench").unwrap();
assert_eq!(h, &10);
assert_eq!(
p.params(),
vec![
("org", "rust-lang"),
("repo", "rust-analyzer"),
("name", "ci"),
("verb", "bench"),
]
);
let (h, p) = tree.find("/rust-lang/rust-analyzer/stargazers").unwrap();
assert_eq!(h, &11);
assert_eq!(p.params(), vec![("org", "rust-lang"), ("repo", "rust-analyzer"), ("page", "stargazers")]);
let (h, p) = tree.find("/rust-lang/rust-analyzer/stargazers/404").unwrap();
assert_eq!(h, &12);
assert_eq!(p.params(), vec![("org", "rust-lang"), ("repo", "rust-analyzer"), ("*1", "stargazers/404")]);
let (h, p) = tree.find("/public/js/main.js").unwrap();
assert_eq!(h, &7);
assert_eq!(p.params(), vec![("any", "js/main.js")]);
let (h, p) = tree.find("/api/v1").unwrap();
assert_eq!(h, &13);
assert_eq!(p.params(), vec![("+1", "v1")]);
```
Hyper hello example can be found [here](examples/hello.rs).
## Benchmark
```shell
$ cargo bench
```
## Acknowledgements
It is inspired by the:
- [rax]
- [httprouter]
- [echo] router
- [path-to-regexp]
- [gofiber] router
- [trekjs] router
## Other languages
Wrappers for path-tree in other languages:
- Python: https://github.com/adriangb/routrie
## License
Licensed under either of Apache License, Version
2.0 or MIT license at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
be dual licensed as above, without any additional terms or conditions.
[radix tree]: https://github.com/viz-rs/radix-tree
[rax]: https://github.com/antirez/rax
[httprouter]: https://github.com/julienschmidt/httprouter
[path-to-regexp]: https://github.com/pillarjs/path-to-regexp
[echo]: https://github.com/labstack/echo
[gofiber]: https://github.com/gofiber/fiber
[trekjs]: https://github.com/trekjs/router