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user guide spelling

This commit is contained in:
Nikolay Kim 2018-01-13 11:17:48 -08:00
parent c043fd7912
commit bc6bb9984f
13 changed files with 50 additions and 45 deletions

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@ -1,5 +1,9 @@
# Changes
## 0.3.1 (2018-01-xx)
*
## 0.3.0 (2018-01-12)

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@ -1,6 +1,6 @@
[package]
name = "actix-web"
version = "0.3.0"
version = "0.3.1"
authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
description = "Actix web framework"
readme = "README.md"
@ -11,7 +11,8 @@ documentation = "https://docs.rs/actix-web/"
categories = ["network-programming", "asynchronous",
"web-programming::http-server", "web-programming::websocket"]
license = "MIT/Apache-2.0"
exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
exclude = [".gitignore", ".travis.yml", ".cargo/config",
"appveyor.yml", "examples/static"]
build = "build.rs"
[badges]
@ -55,10 +56,10 @@ smallvec = "0.6"
bitflags = "1.0"
num_cpus = "1.0"
flate2 = "1.0"
cookie = { version="0.10", features=["percent-encode", "secure"] }
# ring nightly compilation bug
# cookie = { git="https://github.com/alexcrichton/cookie-rs.git", features=["percent-encode", "secure"] }
# cookie = { version="0.10", features=["percent-encode", "secure"] }
cookie = { git="https://github.com/alexcrichton/cookie-rs.git", features=["percent-encode", "secure"] }
# io
mio = "0.6"

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@ -17,7 +17,7 @@ If you already have rustup installed, run this command to ensure you have the la
rustup update
```
Actix web framework requies rust version 1.20 and up.
Actix web framework requires rust version 1.20 and up.
## Running Examples

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@ -1,7 +1,7 @@
# Middlewares
Actix middlewares system allows to add additional behaviour to request/response processing.
Middleware can hook into incomnig request process and modify request or halt request
Actix middlewares system allows to add additional behavior to request/response processing.
Middleware can hook into incoming request process and modify request or halt request
processing and return response early. Also it can hook into response processing.
Typically middlewares involves in following actions:
@ -12,9 +12,9 @@ Typically middlewares involves in following actions:
* Access external services (redis, logging, sessions)
Middlewares are registered for each application and get executed in same order as
registraton order. In general, *middleware* is a type that implements
registration order. In general, *middleware* is a type that implements
[*Middleware trait*](../actix_web/middlewares/trait.Middleware.html). Each method
in this trait has default implementation. Each method can return result immidietly
in this trait has default implementation. Each method can return result immediately
or *future* object.
Here is example of simple middleware that adds request and response headers:
@ -148,7 +148,7 @@ fn main() {
## User sessions
Actix provides general solution for session management.
[*Session storage*](../actix_web/middleware/struct.SessionStorage.html) middleare can be
[*Session storage*](../actix_web/middleware/struct.SessionStorage.html) middleware can be
use with different backend types to store session data in different backends.
By default only cookie session backend is implemented. Other backend implementations
could be added later.
@ -162,7 +162,7 @@ You need to pass a random value to the constructor of *CookieSessionBackend*.
This is private key for cookie session. When this value is changed, all session data is lost.
Note that whatever you write into your session is visible by the user (but not modifiable).
In general case, you cretate
In general case, you create
[*Session storage*](../actix_web/middleware/struct.SessionStorage.html) middleware
and initializes it with specific backend implementation, like *CookieSessionBackend*.
To access session data

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@ -4,7 +4,7 @@ Actix web automatically upgrades connection to *HTTP/2.0* if possible.
## Negotiation
*HTTP/2.0* protocol over tls without prior knowlage requires
*HTTP/2.0* protocol over tls without prior knowledge requires
[tls alpn](https://tools.ietf.org/html/rfc7301). At the moment only
`rust-openssl` has support. Turn on `alpn` feature to enable `alpn` negotiation.
With enable `alpn` feature `HttpServer` provides

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@ -36,8 +36,9 @@ We can send `CreateUser` message to `DbExecutor` actor, and as result we get
```rust,ignore
impl Handler<CreateUser> for DbExecutor {
type Result = Result<User, Error>
fn handle(&mut self, msg: CreateUser, _: &mut Self::Context) -> Response<Self, CreateUser>
fn handle(&mut self, msg: CreateUser, _: &mut Self::Context) -> Self::Result
{
use self::schema::users::dsl::*;
@ -59,7 +60,7 @@ impl Handler<CreateUser> for DbExecutor {
.load::<models::User>(&self.0)
.expect("Error loading person");
Self::reply(items.pop().unwrap())
Ok(items.pop().unwrap())
}
}
```
@ -77,7 +78,7 @@ struct State {
fn main() {
let sys = actix::System::new("diesel-example");
// Start 3 parallele db executors
// Start 3 parallel db executors
let addr = SyncArbiter::start(3, || {
DbExecutor(SqliteConnection::establish("test.db").unwrap())
});
@ -94,7 +95,7 @@ fn main() {
}
```
And finally we can use address in a requst handler. We get message response
And finally we can use address in a request handler. We get message response
asynchronously, so handler needs to return future object, also `Route::a()` needs to be
used for async handler registration.

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@ -2,7 +2,7 @@
Actix web provides some primitives to build web servers and applications with Rust.
It provides routing, middlewares, pre-processing of requests, and post-processing of responses,
websocket protcol handling, multipart streams, etc.
websocket protocol handling, multipart streams, etc.
All actix web server is built around `Application` instance.
It is used for registering routes for resources, middlewares.
@ -10,9 +10,9 @@ Also it stores application specific state that is shared across all handlers
within same application.
Application acts as namespace for all routes, i.e all routes for specific application
has same url path prefix. Application prefix always contains laading "/" slash.
has same url path prefix. Application prefix always contains leading "/" slash.
If supplied prefix does not contain leading slash, it get inserted.
Prefix should consists of valud path segments. i.e for application with prefix `/app`
Prefix should consists of value path segments. i.e for application with prefix `/app`
any request with following paths `/app`, `/app/` or `/app/test` would match,
but path `/application` would not match.

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@ -2,7 +2,7 @@
[*HttpServer*](../actix_web/struct.HttpServer.html) type is responsible for
serving http requests. *HttpServer* accept application factory as a parameter,
Application factory must have `Send` + `Sync` bounderies. More about that in
Application factory must have `Send` + `Sync` boundaries. More about that in
*multi-threading* section. To bind to specific socket address `bind()` must be used.
This method could be called multiple times. To start http server one of the *start*
methods could be used. `start()` method start simple server, `start_tls()` or `start_ssl()`

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@ -5,7 +5,7 @@ and [`ResponseError` trait](../actix_web/error/trait.ResponseError.html)
for handling handler's errors.
Any error that implements `ResponseError` trait can be returned as error value.
*Handler* can return *Result* object, actix by default provides
`Responder` implemenation for compatible result object. Here is implementation
`Responder` implementation for compatible result object. Here is implementation
definition:
```rust,ignore

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@ -2,15 +2,15 @@
URL dispatch provides a simple way to map URLs to `Handler` code using a simple pattern matching
language. *Regex* crate and it's
[*RegexSet*](https://doc.rust-lang.org/regex/regex/struct.RegexSet.html) is beeing used for
[*RegexSet*](https://doc.rust-lang.org/regex/regex/struct.RegexSet.html) is being used for
pattern matching. If one of the patterns matches the path information associated with a request,
a particular handler object is invoked. A handler is a specific object that implements
`Handler` trait, defined in your application, that receives the request and returns
a response object. More informatin is available in [handler section](../qs_4.html).
a response object. More information is available in [handler section](../qs_4.html).
## Resource configuration
Resource configuraiton is the act of adding a new resource to an application.
Resource configuration is the act of adding a new resource to an application.
A resource has a name, which acts as an identifier to be used for URL generation.
The name also allows developers to add routes to existing resources.
A resource also has a pattern, meant to match against the *PATH* portion of a *URL*,
@ -19,7 +19,7 @@ port, e.g., */foo/bar* in the *URL* *http://localhost:8080/foo/bar?q=value*).
The [Application::resource](../actix_web/struct.Application.html#method.resource) methods
add a single resource to application routing table. This method accepts *path pattern*
and resource configuration funnction.
and resource configuration function.
```rust
# extern crate actix_web;
@ -39,20 +39,20 @@ fn main() {
}
```
*Configuraiton function* has following type:
*Configuration function* has following type:
```rust,ignore
FnOnce(&mut Resource<_>) -> ()
```
*Configration function* can set name and register specific routes.
*Configuration function* can set name and register specific routes.
If resource does not contain any route or does not have any matching routes it
returns *NOT FOUND* http resources.
## Configuring a Route
Resource contains set of routes. Each route in turn has set of predicates and handler.
New route could be crearted with `Resource::route()` method which returns reference
New route could be created with `Resource::route()` method which returns reference
to new *Route* instance. By default *route* does not contain any predicates, so matches
all requests and default handler is `HTTPNotFound`.
@ -91,17 +91,17 @@ builder-like pattern. Following configuration methods are available:
any number of predicates could be registered for each route.
* [*Route::f()*](../actix_web/struct.Route.html#method.f) method registers handler function
for this route. Only one handler could be registered. Usually handler registeration
is the last config operation. Handler fanction could be function or closure and has type
for this route. Only one handler could be registered. Usually handler registration
is the last config operation. Handler function could be function or closure and has type
`Fn(HttpRequest<S>) -> R + 'static`
* [*Route::h()*](../actix_web/struct.Route.html#method.h) method registers handler object
that implements `Handler` trait. This is similar to `f()` method, only one handler could
be registered. Handler registeration is the last config operation.
be registered. Handler registration is the last config operation.
* [*Route::a()*](../actix_web/struct.Route.html#method.a) method registers async handler
function for this route. Only one handler could be registered. Handler registeration
is the last config operation. Handler fanction could be function or closure and has type
function for this route. Only one handler could be registered. Handler registration
is the last config operation. Handler function could be function or closure and has type
`Fn(HttpRequest<S>) -> Future<Item = HttpResponse, Error = Error> + 'static`
## Route matching
@ -112,7 +112,7 @@ against a URL path pattern. `path` represents the path portion of the URL that w
The way that *actix* does this is very simple. When a request enters the system,
for each resource configuration registration present in the system, actix checks
the request's path against the pattern declared. *Regex* crate and it's
[*RegexSet*](https://doc.rust-lang.org/regex/regex/struct.RegexSet.html) is beeing used for
[*RegexSet*](https://doc.rust-lang.org/regex/regex/struct.RegexSet.html) is being used for
pattern matching. If resource could not be found, *default resource* get used as matched
resource.
@ -516,7 +516,7 @@ Predicates can have access to application's state via `HttpRequest::state()` met
Also predicates can store extra information in
[requests`s extensions](../actix_web/struct.HttpRequest.html#method.extensions).
### Modifing predicate values
### Modifying predicate values
You can invert the meaning of any predicate value by wrapping it in a `Not` predicate.
For example if you want to return "METHOD NOT ALLOWED" response for all methods

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@ -4,7 +4,7 @@
Builder-like patter is used to construct an instance of `HttpResponse`.
`HttpResponse` provides several method that returns `HttpResponseBuilder` instance,
which is implements various convinience methods that helps build response.
which is implements various convenience methods that helps build response.
Check [documentation](../actix_web/dev/struct.HttpResponseBuilder.html)
for type description. Methods `.body`, `.finish`, `.json` finalizes response creation and
returns constructed *HttpResponse* instance. if this methods get called for the same
@ -91,7 +91,7 @@ fn index(mut req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
# fn main() {}
```
Or you can manually load payload into memory and ther deserialize it.
Or you can manually load payload into memory and then deserialize it.
Here is simple example. We will deserialize *MyObj* struct. We need to load request
body first and then deserialize json into object.
@ -200,7 +200,7 @@ fn index(req: HttpRequest) -> Box<Future<...>> {
match item {
// Handle multipart Field
multipart::MultipartItem::Field(field) => {
println!("==== FIELD ==== {:?} {:?}", field.heders(), field.content_type());
println!("==== FIELD ==== {:?} {:?}", field.headers(), field.content_type());
Either::A(
// Field in turn is a stream of *Bytes* objects
@ -259,7 +259,7 @@ fn index(mut req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
Actix uses [*Payload*](../actix_web/payload/struct.Payload.html) object as request payload stream.
*HttpRequest* provides several methods, which can be used for payload access.
At the same time *Payload* implements *Stream* trait, so it could be used with various
stream combinators. Also *Payload* provides serveral convinience methods that return
stream combinators. Also *Payload* provides several convenience methods that return
future object that resolve to Bytes object.
* *readany()* method returns *Stream* of *Bytes* objects.
@ -283,7 +283,7 @@ use futures::{Future, Stream};
fn index(mut req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
req.payload_mut()
req.payload()
.readany()
.from_err()
.fold((), |_, chunk| {

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@ -3,7 +3,7 @@
Actix supports WebSockets out-of-the-box. It is possible to convert request's `Payload`
to a stream of [*ws::Message*](../actix_web/ws/enum.Message.html) with
a [*ws::WsStream*](../actix_web/ws/struct.WsStream.html) and then use stream
combinators to handle actual messages. But it is simplier to handle websocket communications
combinators to handle actual messages. But it is simpler to handle websocket communications
with http actor.
This is example of simple websocket echo server:

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@ -100,7 +100,7 @@ pub enum CorsBuilderError {
ParseError(http::Error),
/// Credentials are allowed, but the Origin is set to "*". This is not allowed by W3C
///
/// This is a misconfiguration. Check the docuemntation for `Cors`.
/// This is a misconfiguration. Check the documentation for `Cors`.
#[fail(display="Credentials are allowed, but the Origin is set to \"*\"")]
CredentialsWithWildcardOrigin,
}
@ -536,7 +536,7 @@ impl CorsBuilder {
}
/// Set a list of headers which are safe to expose to the API of a CORS API specification.
/// This corresponds to the `Access-Control-Expose-Headers` responde header.
/// This corresponds to the `Access-Control-Expose-Headers` response header.
///
/// This is the `list of exposed headers` in the
/// [Resource Processing Model](https://www.w3.org/TR/cors/#resource-processing-model).
@ -584,7 +584,6 @@ impl CorsBuilder {
/// in an `Error::CredentialsWithWildcardOrigin` error during actix launch or runtime.
///
/// Defaults to `false`.
#[cfg_attr(feature = "serialization", serde(default))]
pub fn send_wildcard(&mut self) -> &mut CorsBuilder {
if let Some(cors) = cors(&mut self.cors, &self.error) {
cors.send_wildcard = true