woothee-rust

The Rust implementation of Project Woothee, which is multi-language user-agent strings parsers.

Usage

parsing user-agent.

extern crate woothee;

use woothee::parser::Parser;

fn main() {
    let parser = Parser::new();
    let result = parser.parse("Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)");
    println!("{:?}", result);
}

run

Some(WootheeResult { name: "Internet Explorer", category: "pc", os: "Windows 7", os_version: "NT 6.1", browser_type: "UNKNOWN", version: "8.0", vendor: "Microsoft" })

Benchmark

$ cargo +nightly bench
running 8 tests
test bench_stabilizer       ... bench:          22 ns/iter (+/- 1)
test create_parser_uap      ... bench: 190,983,237 ns/iter (+/- 18,726,783)
test create_parser_uaparser ... bench: 331,963,075 ns/iter (+/- 20,320,543)
test create_parser_woothee  ... bench:           0 ns/iter (+/- 0)
test parse_fast_uaparser    ... bench:     423,632 ns/iter (+/- 42,520)
test parse_uap              ... bench:     606,682 ns/iter (+/- 65,967)
test parse_uaparser         ... bench:     826,622 ns/iter (+/- 105,940)
test parse_woothee          ... bench:       6,814 ns/iter (+/- 1,924)

benchmark script

for Maintainer

generate code from woothee/woothee dataset & testsets.

$ cargo build --features=generate
$ cargo +nightly fmt
$ cargo test    # and code review!!!

with clippy lints (optional)

$ rustup component add clippy-preview && cargo clippy

Links

• on crates.io
• Documentation