mirror of https://github.com/rwf2/Rocket.git
112 lines
3.9 KiB
Markdown
112 lines
3.9 KiB
Markdown
# Rocket [](https://travis-ci.com/SergioBenitez/Rocket)
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Rocket is a work-in-progress web framework for Rust (nightly) with a focus on
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ease-of-use, expressability, and speed. Here's an example of a complete Rocket
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application:
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```rust
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#![feature(plugin)]
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#![plugin(rocket_codegen)]
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extern crate rocket;
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use rocket::Rocket;
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#[get("/<name>/<age>")]
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fn hello(name: &str, age: u8) -> String {
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format!("Hello, {} year old named {}!", age, name)
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}
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fn main() {
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Rocket::new("localhost", 8000).mount_and_launch("/hello", routes![hello]);
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}
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```
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Visiting `localhost:8000/hello/John/58`, for example, will trigger the `hello`
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route resulting in the string `Hello, 58 year old named John!` being sent to the
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browser. If an `<age>` string was passed in that can't be parsed as a `u8`, the
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route won't get called, resulting in a 404 error.
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## Documentation
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Rocket is extensively documented:
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* [Quickstart](guide/quickstart): How to get started as quickly as possible.
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* [Getting Started](guide/getting_started): How to start your first project.
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* [Overview](overview): A brief introduction.
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* [Guide](guide): A detailed guide and reference to every component.
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* [API Documentation](api): The "rustdocs" (API documentation).
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## Building
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### Nightly
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Rocket requires a nightly version of Rust as it makes heavy use of syntax
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extensions. This means that the first two unwieldly lines in the introductory
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example above are required.
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### Core, Codegen, and Contrib
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All of the Rocket libraries are managed by Cargo. As a result, compiling them is
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simple.
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* Core: `cd lib && cargo build`
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* Codegen: `cd codegen && cargo build`
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* Contrib: `cd contrib && cargo build`
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### Examples
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Rocket ships with an extensive number of examples in the `examples/` directory
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which can be compiled and run with Cargo. For instance, the following sequence
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of commands builds and runs the `Hello, world!` example:
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```
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cd examples/hello_world
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cargo run
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```
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You should see `Hello, world!` by visiting `http://localhost:8000`.
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## Testing
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To test Rocket, simply run `./scripts/test.sh` from the root of the source tree.
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This will build and test the `core`, `codegen`, and `contrib` libraries as well
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as all of the examples. This is the script that gets run by Travis CI.
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### Core
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Testing for the core library is done inline in the corresponding module. For
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example, the tests for routing can be found at the bottom of the
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`lib/src/router/mod.rs` file.
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### Codegen
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Code generation tests can be found in `codegen/tests`. We use the
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[compiletest](https://crates.io/crates/compiletest_rs) library, which was
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extracted from `rustc`, for testing. See the [compiler test
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documentation](https://github.com/rust-lang/rust/blob/master/COMPILER_TESTS.md)
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for information on how to write compiler tests.
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## Contributing
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Contributions are absolutely, positively welcome and encouraged! Contributions
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come in many forms. You could:
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1. Submit a feature request or bug report as an [issue](https://github.com/SergioBenitez/Rocket/issues).
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2. Comment on [issues that require
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feedback](https://github.com/SergioBenitez/Rocket/issues?q=is%3Aissue+is%3Aopen+label%3A%22feedback+wanted%22).
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3. Contribute code via [pull requests](https://github.com/SergioBenitez/Rocket/pulls).
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We aim to keep Rocket's code quality at the highest level. This means that any
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code you contribute must be:
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* **Commented:** Public items _must_ be commented.
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* **Documented:** Exposed items _must_ have rustdoc comments with
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examples, if applicable.
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* **Styled:** Your code should be `rustfmt`'d when possible.
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* **Simple:** Your code should accomplish its task as simply and
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idiomatically as possible.
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* **Tested:** You must add (and pass) convincing tests for any functionality you add.
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* **Focused:** Your code should do what it's supposed to do and nothing more.
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All pull requests are code reviewed and tested by the CI.
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