path-tree 0.0.5

Path-based routing tree
Documentation

path-tree

Path-based routing tree.

A compressing dynamic trie (radix tree) structure is used for efficient matching.

Build Status Latest version Documentation License

Features

  • Fast!

  • Named parameters. e.g. :name.

  • Catch-All parameters. e.g. *any.

  • Supports multiple naming for the same path segment. e.g. /users/:id and /users/:user_id/repos.

  • Don't care about routes orders, we will automatically need to find them.

Usage

use path_tree::PathTree;

let mut tree = PathTree::<usize>::new();

tree.insert("/", 0);
tree.insert("/users", 1);
tree.insert("/users/:id", 2);
tree.insert("/users/:id/:org", 3);
tree.insert("/users/:user_id/repos", 4);
tree.insert("/users/:user_id/repos/:id", 5);
tree.insert("/users/:user_id/repos/:id/*any", 6);
tree.insert("/:username", 7);
tree.insert("/*any", 8);
tree.insert("/about", 9);
tree.insert("/about/", 10);
tree.insert("/about/us", 11);
tree.insert("/users/repos/*any", 12);

// Matched "/"
let node = tree.find("/");
assert_eq!(node.is_some(), true);
let res = node.unwrap();
assert_eq!(*res.0, 0);
assert_eq!(res.1, []); // Params

// Matched "/:username"
let node = tree.find("/username");
assert_eq!(node.is_some(), true);
let res = node.unwrap();
assert_eq!(*res.0, 1);
assert_eq!(res.1, [("username", "username")]); // Params


// Matched "/*any"
let node = tree.find("/user/s");
let res = node.unwrap();
assert_eq!(*res.0, 8);
assert_eq!(res.1, [("any", "user/s")]);

// Matched "/users/:id"
let node = tree.find("/users/fundon");
let res = node.unwrap();
assert_eq!(*res.0, 2);
assert_eq!(res.1, [("id", "fundon")]); // Params

// Matched "/users/:user_id/repos/:id"
let node = tree.find("/users/fundon/repos/trek-rs");
let res = node.unwrap();
assert_eq!(*res.0, 5);
assert_eq!(res.1, [("user_id", "fundon"), ("id", "trek-rs")]); // Params

// Matched "/users/:user_id/repos/:id/*any"
let node = tree.find("/users/fundon/repos/trek-rs/noder/issues");
let res = node.unwrap();
assert_eq!(*res.0, 6);
assert_eq!(
    res.1,
    [
        ("user_id", "fundon"),
        ("id", "trek-rs"),
        ("any", "noder/issues"),
    ]
); // Params


// Matched "/users/repos/*any"
let node = tree.find("/users/repos/");
let res = node.unwrap();
assert_eq!(*res.0, 12);
assert_eq!(res.1, []);

Acknowledgements

It is inspired by the:

License

This project is licensed under either of