<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `src/extractor.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>extractor.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><pre class="rust ">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">marker</span>::<span class="ident">PhantomData</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">ops</span>::{<span class="ident">Deref</span>, <span class="ident">DerefMut</span>};
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">rc</span>::<span class="ident">Rc</span>;
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">fmt</span>, <span class="ident">str</span>};
<span class="kw">use</span> <span class="ident">bytes</span>::<span class="ident">Bytes</span>;
<span class="kw">use</span> <span class="ident">encoding</span>::<span class="ident">all</span>::<span class="ident">UTF_8</span>;
<span class="kw">use</span> <span class="ident">encoding</span>::<span class="ident">types</span>::{<span class="ident">DecoderTrap</span>, <span class="ident">Encoding</span>};
<span class="kw">use</span> <span class="ident">futures</span>::{<span class="ident">future</span>, <span class="ident">Async</span>, <span class="ident">Future</span>, <span class="ident">Poll</span>};
<span class="kw">use</span> <span class="ident">mime</span>::<span class="ident">Mime</span>;
<span class="kw">use</span> <span class="ident">serde</span>::<span class="ident">de</span>::{<span class="self">self</span>, <span class="ident">DeserializeOwned</span>};
<span class="kw">use</span> <span class="ident">serde_urlencoded</span>;
<span class="kw">use</span> <span class="ident">de</span>::<span class="ident">PathDeserializer</span>;
<span class="kw">use</span> <span class="ident">error</span>::{<span class="ident">Error</span>, <span class="ident">ErrorBadRequest</span>, <span class="ident">ErrorNotFound</span>, <span class="ident">UrlencodedError</span>};
<span class="kw">use</span> <span class="ident">handler</span>::{<span class="ident">AsyncResult</span>, <span class="ident">FromRequest</span>};
<span class="kw">use</span> <span class="ident">httpmessage</span>::{<span class="ident">HttpMessage</span>, <span class="ident">MessageBody</span>, <span class="ident">UrlEncoded</span>};
<span class="kw">use</span> <span class="ident">httprequest</span>::<span class="ident">HttpRequest</span>;
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span>
<span class="doccomment">/// Extract typed information from the request's path.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate bytes;</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # extern crate futures;</span>
<span class="doccomment">/// use actix_web::{http, App, Path, Result};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract path info from "/{username}/{count}/index.html" url</span>
<span class="doccomment">/// /// {username} - deserializes to a String</span>
<span class="doccomment">/// /// {count} - - deserializes to a u32</span>
<span class="doccomment">/// fn index(info: Path<(String, u32)>) -> Result<String> {</span>
<span class="doccomment">/// Ok(format!("Welcome {}! {}", info.0, info.1))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().resource(</span>
<span class="doccomment">/// "/{username}/{count}/index.html", // <- define path parameters</span>
<span class="doccomment">/// |r| r.method(http::Method::GET).with(index),</span>
<span class="doccomment">/// ); // <- use `with` extractor</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// It is possible to extract path information to a specific type that</span>
<span class="doccomment">/// implements `Deserialize` trait from *serde*.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate bytes;</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # extern crate futures;</span>
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::{http, App, Path, Result};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(Deserialize)]</span>
<span class="doccomment">/// struct Info {</span>
<span class="doccomment">/// username: String,</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract path info using serde</span>
<span class="doccomment">/// fn index(info: Path<Info>) -> Result<String> {</span>
<span class="doccomment">/// Ok(format!("Welcome {}!", info.username))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().resource(</span>
<span class="doccomment">/// "/{username}/index.html", // <- define path parameters</span>
<span class="doccomment">/// |r| r.method(http::Method::GET).with(index),</span>
<span class="doccomment">/// ); // <- use `with` extractor</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="ident">inner</span>: <span class="ident">T</span>,
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">AsRef</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">as_ref</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">T</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">inner</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Deref</span> <span class="kw">for</span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">type</span> <span class="ident">Target</span> <span class="op">=</span> <span class="ident">T</span>;
<span class="kw">fn</span> <span class="ident">deref</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">T</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">inner</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">DerefMut</span> <span class="kw">for</span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">deref_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">T</span> {
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">inner</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="doccomment">/// Deconstruct to an inner value</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">into_inner</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">T</span> {
<span class="self">self</span>.<span class="ident">inner</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">S</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">DeserializeOwned</span>,
{
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> ();
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">Error</span><span class="op">></span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">clone</span>();
<span class="ident">de</span>::<span class="ident">Deserialize</span>::<span class="ident">deserialize</span>(<span class="ident">PathDeserializer</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">req</span>))
.<span class="ident">map_err</span>(<span class="ident">ErrorNotFound</span>)
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">inner</span><span class="op">|</span> <span class="ident">Path</span> { <span class="ident">inner</span> })
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">fmt</span>::<span class="ident">Debug</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">fmt</span>::<span class="ident">Display</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">Path</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span>
<span class="doccomment">/// Extract typed information from from the request's query.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate bytes;</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # extern crate futures;</span>
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::{App, Query, http};</span>
<span class="doccomment">///</span>
<span class="doccomment">///</span>
<span class="doccomment">///#[derive(Debug, Deserialize)]</span>
<span class="doccomment">///pub enum ResponseType {</span>
<span class="doccomment">/// Token,</span>
<span class="doccomment">/// Code</span>
<span class="doccomment">///}</span>
<span class="doccomment">///</span>
<span class="doccomment">///#[derive(Deserialize)]</span>
<span class="doccomment">///pub struct AuthRequest {</span>
<span class="doccomment">/// id: u64,</span>
<span class="doccomment">/// response_type: ResponseType,</span>
<span class="doccomment">///}</span>
<span class="doccomment">///</span>
<span class="doccomment">/// // use `with` extractor for query info</span>
<span class="doccomment">/// // this handler get called only if request's query contains `username` field</span>
<span class="doccomment">/// // The correct request for this handler would be `/index.html?id=64&response_type=Code"`</span>
<span class="doccomment">/// fn index(info: Query<AuthRequest>) -> String {</span>
<span class="doccomment">/// format!("Authorization request for client with id={} and type={:?}!", info.id, info.response_type)</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().resource(</span>
<span class="doccomment">/// "/index.html",</span>
<span class="doccomment">/// |r| r.method(http::Method::GET).with(index)); // <- use `with` extractor</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Query</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">T</span>);
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Deref</span> <span class="kw">for</span> <span class="ident">Query</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">type</span> <span class="ident">Target</span> <span class="op">=</span> <span class="ident">T</span>;
<span class="kw">fn</span> <span class="ident">deref</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">T</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">DerefMut</span> <span class="kw">for</span> <span class="ident">Query</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">deref_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">T</span> {
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Query</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="doccomment">/// Deconstruct to a inner value</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">into_inner</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">T</span> {
<span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">S</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Query</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">de</span>::<span class="ident">DeserializeOwned</span>,
{
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> ();
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">Error</span><span class="op">></span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="ident">serde_urlencoded</span>::<span class="ident">from_str</span>::<span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">req</span>.<span class="ident">query_string</span>())
.<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">e</span><span class="op">|</span> <span class="ident">e</span>.<span class="ident">into</span>())
.<span class="ident">map</span>(<span class="ident">Query</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">fmt</span>::<span class="ident">Debug</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">Query</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">fmt</span>::<span class="ident">Display</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">Query</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span>
<span class="doccomment">/// Extract typed information from the request's body.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// To extract typed information from request's body, the type `T` must</span>
<span class="doccomment">/// implement the `Deserialize` trait from *serde*.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [**FormConfig**](dev/struct.FormConfig.html) allows to configure extraction</span>
<span class="doccomment">/// process.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::{App, Form, Result};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(Deserialize)]</span>
<span class="doccomment">/// struct FormData {</span>
<span class="doccomment">/// username: String,</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract form data using serde</span>
<span class="doccomment">/// /// this handler get called only if content type is *x-www-form-urlencoded*</span>
<span class="doccomment">/// /// and content of the request could be deserialized to a `FormData` struct</span>
<span class="doccomment">/// fn index(form: Form<FormData>) -> Result<String> {</span>
<span class="doccomment">/// Ok(format!("Welcome {}!", form.username))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// # fn main() {}</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Form</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw">pub</span> <span class="ident">T</span>);
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Form</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="doccomment">/// Deconstruct to an inner value</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">into_inner</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">T</span> {
<span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Deref</span> <span class="kw">for</span> <span class="ident">Form</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">type</span> <span class="ident">Target</span> <span class="op">=</span> <span class="ident">T</span>;
<span class="kw">fn</span> <span class="ident">deref</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">T</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">DerefMut</span> <span class="kw">for</span> <span class="ident">Form</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">deref_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">T</span> {
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">S</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Form</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">DeserializeOwned</span> <span class="op">+</span> <span class="lifetime">'static</span>,
<span class="ident">S</span>: <span class="lifetime">'static</span>,
{
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> <span class="ident">FormConfig</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>;
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="self">Self</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">cfg</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="kw">let</span> <span class="ident">req2</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">Rc</span>::<span class="ident">clone</span>(<span class="kw-2">&</span><span class="ident">cfg</span>.<span class="ident">ehandler</span>);
<span class="ident">Box</span>::<span class="ident">new</span>(
<span class="ident">UrlEncoded</span>::<span class="ident">new</span>(<span class="ident">req</span>)
.<span class="ident">limit</span>(<span class="ident">cfg</span>.<span class="ident">limit</span>)
.<span class="ident">map_err</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">e</span><span class="op">|</span> (<span class="kw-2">*</span><span class="ident">err</span>)(<span class="ident">e</span>, <span class="kw-2">&</span><span class="ident">req2</span>))
.<span class="ident">map</span>(<span class="ident">Form</span>),
)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">fmt</span>::<span class="ident">Debug</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">Form</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">fmt</span>::<span class="ident">Display</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">Form</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="doccomment">/// Form extractor configuration</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::{http, App, Form, Result};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(Deserialize)]</span>
<span class="doccomment">/// struct FormData {</span>
<span class="doccomment">/// username: String,</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract form data using serde.</span>
<span class="doccomment">/// /// custom configuration is used for this handler, max payload size is 4k</span>
<span class="doccomment">/// fn index(form: Form<FormData>) -> Result<String> {</span>
<span class="doccomment">/// Ok(format!("Welcome {}!", form.username))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().resource(</span>
<span class="doccomment">/// "/index.html",</span>
<span class="doccomment">/// |r| {</span>
<span class="doccomment">/// r.method(http::Method::GET)</span>
<span class="doccomment">/// // register form handler and change form extractor configuration</span>
<span class="doccomment">/// .with_config(index, |cfg| {cfg.limit(4096);})</span>
<span class="doccomment">/// },</span>
<span class="doccomment">/// );</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">FormConfig</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="ident">limit</span>: <span class="ident">usize</span>,
<span class="ident">ehandler</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">Fn</span>(<span class="ident">UrlencodedError</span>, <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">Error</span><span class="op">></span>,
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">FormConfig</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="doccomment">/// Change max size of payload. By default max size is 256Kb</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">limit</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">limit</span>: <span class="ident">usize</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">Self</span> {
<span class="self">self</span>.<span class="ident">limit</span> <span class="op">=</span> <span class="ident">limit</span>;
<span class="self">self</span>
}
<span class="doccomment">/// Set custom error handler</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">error_handler</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">f</span>: <span class="ident">F</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">Self</span>
<span class="kw">where</span>
<span class="ident">F</span>: <span class="ident">Fn</span>(<span class="ident">UrlencodedError</span>, <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">Error</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="self">self</span>.<span class="ident">ehandler</span> <span class="op">=</span> <span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">f</span>);
<span class="self">self</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Default</span> <span class="kw">for</span> <span class="ident">FormConfig</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">default</span>() <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">FormConfig</span> {
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">ehandler</span>: <span class="ident">Rc</span>::<span class="ident">new</span>(<span class="op">|</span><span class="ident">e</span>, <span class="kw">_</span><span class="op">|</span> <span class="ident">e</span>.<span class="ident">into</span>()),
}
}
}
<span class="doccomment">/// Request payload extractor.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Loads request's payload and construct Bytes instance.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [**PayloadConfig**](dev/struct.PayloadConfig.html) allows to configure</span>
<span class="doccomment">/// extraction process.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// extern crate bytes;</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// use actix_web::{http, App, Result};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract text data from request</span>
<span class="doccomment">/// fn index(body: bytes::Bytes) -> Result<String> {</span>
<span class="doccomment">/// Ok(format!("Body {:?}!", body))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new()</span>
<span class="doccomment">/// .resource("/index.html", |r| r.method(http::Method::GET).with(index));</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Bytes</span> {
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> <span class="ident">PayloadConfig</span>;
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="self">Self</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span>, <span class="ident">Error</span><span class="op">></span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">cfg</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="comment">// check content-type</span>
<span class="ident">cfg</span>.<span class="ident">check_mimetype</span>(<span class="ident">req</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">MessageBody</span>::<span class="ident">new</span>(<span class="ident">req</span>).<span class="ident">limit</span>(<span class="ident">cfg</span>.<span class="ident">limit</span>).<span class="ident">from_err</span>()))
}
}
<span class="doccomment">/// Extract text information from the request's body.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Text extractor automatically decode body according to the request's charset.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [**PayloadConfig**](dev/struct.PayloadConfig.html) allows to configure</span>
<span class="doccomment">/// extraction process.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// use actix_web::{http, App, Result};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract text data from request</span>
<span class="doccomment">/// fn index(body: String) -> Result<String> {</span>
<span class="doccomment">/// Ok(format!("Body {}!", body))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().resource("/index.html", |r| {</span>
<span class="doccomment">/// r.method(http::Method::GET)</span>
<span class="doccomment">/// .with_config(index, |cfg| { // <- register handler with extractor params</span>
<span class="doccomment">/// cfg.limit(4096); // <- limit size of the payload</span>
<span class="doccomment">/// })</span>
<span class="doccomment">/// });</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">String</span> {
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> <span class="ident">PayloadConfig</span>;
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">String</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span>, <span class="ident">Error</span><span class="op">></span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">cfg</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="comment">// check content-type</span>
<span class="ident">cfg</span>.<span class="ident">check_mimetype</span>(<span class="ident">req</span>)<span class="question-mark">?</span>;
<span class="comment">// check charset</span>
<span class="kw">let</span> <span class="ident">encoding</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">encoding</span>()<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">Box</span>::<span class="ident">new</span>(
<span class="ident">MessageBody</span>::<span class="ident">new</span>(<span class="ident">req</span>)
.<span class="ident">limit</span>(<span class="ident">cfg</span>.<span class="ident">limit</span>)
.<span class="ident">from_err</span>()
.<span class="ident">and_then</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">body</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">enc</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span> <span class="op">=</span> <span class="ident">encoding</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span>;
<span class="kw">if</span> <span class="ident">enc</span> <span class="op">==</span> <span class="ident">UTF_8</span> {
<span class="prelude-val">Ok</span>(<span class="ident">str</span>::<span class="ident">from_utf8</span>(<span class="ident">body</span>.<span class="ident">as_ref</span>())
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ErrorBadRequest</span>(<span class="string">"Can not decode body"</span>))<span class="question-mark">?</span>
.<span class="ident">to_owned</span>())
} <span class="kw">else</span> {
<span class="prelude-val">Ok</span>(<span class="ident">encoding</span>
.<span class="ident">decode</span>(<span class="kw-2">&</span><span class="ident">body</span>, <span class="ident">DecoderTrap</span>::<span class="ident">Strict</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ErrorBadRequest</span>(<span class="string">"Can not decode body"</span>))<span class="question-mark">?</span>)
}
}),
))
}
}
<span class="doccomment">/// Optionally extract a field from the request</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the FromRequest for T fails, return None rather than returning an error response</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// extern crate rand;</span>
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::{http, App, Result, HttpRequest, Error, FromRequest};</span>
<span class="doccomment">/// use actix_web::error::ErrorBadRequest;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(Debug, Deserialize)]</span>
<span class="doccomment">/// struct Thing { name: String }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// impl<S> FromRequest<S> for Thing {</span>
<span class="doccomment">/// type Config = ();</span>
<span class="doccomment">/// type Result = Result<Thing, Error>;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[inline]</span>
<span class="doccomment">/// fn from_request(req: &HttpRequest<S>, _cfg: &Self::Config) -> Self::Result {</span>
<span class="doccomment">/// if rand::random() {</span>
<span class="doccomment">/// Ok(Thing { name: "thingy".into() })</span>
<span class="doccomment">/// } else {</span>
<span class="doccomment">/// Err(ErrorBadRequest("no luck"))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract text data from request</span>
<span class="doccomment">/// fn index(supplied_thing: Option<Thing>) -> Result<String> {</span>
<span class="doccomment">/// match supplied_thing {</span>
<span class="doccomment">/// // Puns not intended</span>
<span class="doccomment">/// Some(thing) => Ok(format!("Got something: {:?}", thing)),</span>
<span class="doccomment">/// None => Ok(format!("No thing!"))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().resource("/users/:first", |r| {</span>
<span class="doccomment">/// r.method(http::Method::POST).with(index)</span>
<span class="doccomment">/// });</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="lifetime">'static</span>, <span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
{
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> <span class="ident">T</span>::<span class="ident">Config</span>;
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">cfg</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">T</span>::<span class="ident">from_request</span>(<span class="ident">req</span>, <span class="ident">cfg</span>).<span class="ident">into</span>().<span class="ident">then</span>(<span class="op">|</span><span class="ident">r</span><span class="op">|</span> <span class="kw">match</span> <span class="ident">r</span> {
<span class="prelude-val">Ok</span>(<span class="ident">v</span>) <span class="op">=></span> <span class="ident">future</span>::<span class="ident">ok</span>(<span class="prelude-val">Some</span>(<span class="ident">v</span>)),
<span class="prelude-val">Err</span>(<span class="kw">_</span>) <span class="op">=></span> <span class="ident">future</span>::<span class="ident">ok</span>(<span class="prelude-val">None</span>),
}))
}
}
<span class="doccomment">/// Optionally extract a field from the request or extract the Error if unsuccessful</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the FromRequest for T fails, inject Err into handler rather than returning an error response</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// extern crate rand;</span>
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::{http, App, Result, HttpRequest, Error, FromRequest};</span>
<span class="doccomment">/// use actix_web::error::ErrorBadRequest;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(Debug, Deserialize)]</span>
<span class="doccomment">/// struct Thing { name: String }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// impl<S> FromRequest<S> for Thing {</span>
<span class="doccomment">/// type Config = ();</span>
<span class="doccomment">/// type Result = Result<Thing, Error>;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[inline]</span>
<span class="doccomment">/// fn from_request(req: &HttpRequest<S>, _cfg: &Self::Config) -> Self::Result {</span>
<span class="doccomment">/// if rand::random() {</span>
<span class="doccomment">/// Ok(Thing { name: "thingy".into() })</span>
<span class="doccomment">/// } else {</span>
<span class="doccomment">/// Err(ErrorBadRequest("no luck"))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// /// extract text data from request</span>
<span class="doccomment">/// fn index(supplied_thing: Result<Thing>) -> Result<String> {</span>
<span class="doccomment">/// match supplied_thing {</span>
<span class="doccomment">/// Ok(thing) => Ok(format!("Got thing: {:?}", thing)),</span>
<span class="doccomment">/// Err(e) => Ok(format!("Error extracting thing: {}", e))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().resource("/users/:first", |r| {</span>
<span class="doccomment">/// r.method(http::Method::POST).with(index)</span>
<span class="doccomment">/// });</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="lifetime">'static</span>, <span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">Error</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
{
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> <span class="ident">T</span>::<span class="ident">Config</span>;
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">Error</span><span class="op">></span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">cfg</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">T</span>::<span class="ident">from_request</span>(<span class="ident">req</span>, <span class="ident">cfg</span>).<span class="ident">into</span>().<span class="ident">then</span>(<span class="ident">future</span>::<span class="ident">ok</span>))
}
}
<span class="doccomment">/// Payload configuration for request's payload.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">PayloadConfig</span> {
<span class="ident">limit</span>: <span class="ident">usize</span>,
<span class="ident">mimetype</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Mime</span><span class="op">></span>,
}
<span class="kw">impl</span> <span class="ident">PayloadConfig</span> {
<span class="doccomment">/// Change max size of payload. By default max size is 256Kb</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">limit</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">limit</span>: <span class="ident">usize</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">Self</span> {
<span class="self">self</span>.<span class="ident">limit</span> <span class="op">=</span> <span class="ident">limit</span>;
<span class="self">self</span>
}
<span class="doccomment">/// Set required mime-type of the request. By default mime type is not</span>
<span class="doccomment">/// enforced.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">mimetype</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">mt</span>: <span class="ident">Mime</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">Self</span> {
<span class="self">self</span>.<span class="ident">mimetype</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">mt</span>);
<span class="self">self</span>
}
<span class="kw">fn</span> <span class="ident">check_mimetype</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">Error</span><span class="op">></span> {
<span class="comment">// check content-type</span>
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">mt</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">mimetype</span> {
<span class="kw">match</span> <span class="ident">req</span>.<span class="ident">mime_type</span>() {
<span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">req_mt</span>)) <span class="op">=></span> {
<span class="kw">if</span> <span class="ident">mt</span> <span class="op">!=</span> <span class="ident">req_mt</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ErrorBadRequest</span>(<span class="string">"Unexpected Content-Type"</span>));
}
}
<span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) <span class="op">=></span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ErrorBadRequest</span>(<span class="string">"Content-Type is expected"</span>));
}
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>.<span class="ident">into</span>());
}
}
}
<span class="prelude-val">Ok</span>(())
}
}
<span class="kw">impl</span> <span class="ident">Default</span> <span class="kw">for</span> <span class="ident">PayloadConfig</span> {
<span class="kw">fn</span> <span class="ident">default</span>() <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">PayloadConfig</span> {
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">mimetype</span>: <span class="prelude-val">None</span>,
}
}
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">tuple_from_req</span> ({<span class="macro-nonterminal">$</span><span class="macro-nonterminal">fut_type</span>:<span class="ident">ident</span>, $((<span class="macro-nonterminal">$</span><span class="macro-nonterminal">n</span>:<span class="ident">tt</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>:<span class="ident">ident</span>)),<span class="op">+</span>} <span class="op">=></span> {
<span class="doccomment">/// FromRequest implementation for tuple</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>),<span class="op">+</span><span class="op">></span> <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>,)<span class="op">+</span>)
<span class="kw">where</span>
<span class="ident">S</span>: <span class="lifetime">'static</span>,
{
<span class="kw">type</span> <span class="ident">Config</span> <span class="op">=</span> ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>::<span class="ident">Config</span>,)<span class="op">+</span>);
<span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>,)<span class="op">+</span>), <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span>;
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">cfg</span>: <span class="kw-2">&</span><span class="self">Self</span>::<span class="ident">Config</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="prelude-ty">Result</span> {
<span class="ident">Box</span>::<span class="ident">new</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">fut_type</span> {
<span class="ident">s</span>: <span class="ident">PhantomData</span>,
<span class="ident">items</span>: <span class="op"><</span>($(<span class="prelude-ty">Option</span><span class="op"><</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span><span class="op">></span>,)<span class="op">+</span>)<span class="op">></span>::<span class="ident">default</span>(),
<span class="ident">futs</span>: ($(<span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>::<span class="ident">from_request</span>(<span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">cfg</span>.<span class="macro-nonterminal">$</span><span class="macro-nonterminal">n</span>).<span class="ident">into</span>()),)<span class="op">+</span>),
})
}
}
<span class="kw">struct</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">fut_type</span><span class="op"><</span><span class="ident">S</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),<span class="op">+</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="lifetime">'static</span>,
{
<span class="ident">s</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
<span class="ident">items</span>: ($(<span class="prelude-ty">Option</span><span class="op"><</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span><span class="op">></span>,)<span class="op">+</span>),
<span class="ident">futs</span>: ($(<span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">AsyncResult</span><span class="op"><</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span><span class="op">>></span>,)<span class="op">+</span>),
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),<span class="op">+</span><span class="op">></span> <span class="ident">Future</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">fut_type</span><span class="op"><</span><span class="ident">S</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>),<span class="op">+</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="lifetime">'static</span>,
{
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>,)<span class="op">+</span>);
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span>;
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Item</span>, <span class="self">Self</span>::<span class="ident">Error</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">ready</span> <span class="op">=</span> <span class="bool-val">true</span>;
$(
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">futs</span>.<span class="macro-nonterminal">$</span><span class="macro-nonterminal">n</span>.<span class="ident">is_some</span>() {
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">futs</span>.<span class="macro-nonterminal">$</span><span class="macro-nonterminal">n</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">poll</span>() {
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">item</span>)) <span class="op">=></span> {
<span class="self">self</span>.<span class="ident">items</span>.<span class="macro-nonterminal">$</span><span class="macro-nonterminal">n</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">item</span>);
<span class="self">self</span>.<span class="ident">futs</span>.<span class="macro-nonterminal">$</span><span class="macro-nonterminal">n</span>.<span class="ident">take</span>();
}
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) <span class="op">=></span> <span class="ident">ready</span> <span class="op">=</span> <span class="bool-val">false</span>,
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">e</span>),
}
}
)<span class="op">+</span>
<span class="kw">if</span> <span class="ident">ready</span> {
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(
($(<span class="self">self</span>.<span class="ident">items</span>.<span class="macro-nonterminal">$</span><span class="macro-nonterminal">n</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>(),)<span class="op">+</span>)
))
} <span class="kw">else</span> {
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>)
}
}
}
});
<span class="macro">tuple_from_req</span><span class="macro">!</span>(<span class="ident">TupleFromRequest1</span>, (<span class="number">0</span>, <span class="ident">A</span>));
<span class="macro">tuple_from_req</span><span class="macro">!</span>(<span class="ident">TupleFromRequest2</span>, (<span class="number">0</span>, <span class="ident">A</span>), (<span class="number">1</span>, <span class="ident">B</span>));
<span class="macro">tuple_from_req</span><span class="macro">!</span>(<span class="ident">TupleFromRequest3</span>, (<span class="number">0</span>, <span class="ident">A</span>), (<span class="number">1</span>, <span class="ident">B</span>), (<span class="number">2</span>, <span class="ident">C</span>));
<span class="macro">tuple_from_req</span><span class="macro">!</span>(<span class="ident">TupleFromRequest4</span>, (<span class="number">0</span>, <span class="ident">A</span>), (<span class="number">1</span>, <span class="ident">B</span>), (<span class="number">2</span>, <span class="ident">C</span>), (<span class="number">3</span>, <span class="ident">D</span>));
<span class="macro">tuple_from_req</span><span class="macro">!</span>(<span class="ident">TupleFromRequest5</span>, (<span class="number">0</span>, <span class="ident">A</span>), (<span class="number">1</span>, <span class="ident">B</span>), (<span class="number">2</span>, <span class="ident">C</span>), (<span class="number">3</span>, <span class="ident">D</span>), (<span class="number">4</span>, <span class="ident">E</span>));
<span class="macro">tuple_from_req</span><span class="macro">!</span>(
<span class="ident">TupleFromRequest6</span>,
(<span class="number">0</span>, <span class="ident">A</span>),
(<span class="number">1</span>, <span class="ident">B</span>),
(<span class="number">2</span>, <span class="ident">C</span>),
(<span class="number">3</span>, <span class="ident">D</span>),
(<span class="number">4</span>, <span class="ident">E</span>),
(<span class="number">5</span>, <span class="ident">F</span>)
);
<span class="macro">tuple_from_req</span><span class="macro">!</span>(
<span class="ident">TupleFromRequest7</span>,
(<span class="number">0</span>, <span class="ident">A</span>),
(<span class="number">1</span>, <span class="ident">B</span>),
(<span class="number">2</span>, <span class="ident">C</span>),
(<span class="number">3</span>, <span class="ident">D</span>),
(<span class="number">4</span>, <span class="ident">E</span>),
(<span class="number">5</span>, <span class="ident">F</span>),
(<span class="number">6</span>, <span class="ident">G</span>)
);
<span class="macro">tuple_from_req</span><span class="macro">!</span>(
<span class="ident">TupleFromRequest8</span>,
(<span class="number">0</span>, <span class="ident">A</span>),
(<span class="number">1</span>, <span class="ident">B</span>),
(<span class="number">2</span>, <span class="ident">C</span>),
(<span class="number">3</span>, <span class="ident">D</span>),
(<span class="number">4</span>, <span class="ident">E</span>),
(<span class="number">5</span>, <span class="ident">F</span>),
(<span class="number">6</span>, <span class="ident">G</span>),
(<span class="number">7</span>, <span class="ident">H</span>)
);
<span class="macro">tuple_from_req</span><span class="macro">!</span>(
<span class="ident">TupleFromRequest9</span>,
(<span class="number">0</span>, <span class="ident">A</span>),
(<span class="number">1</span>, <span class="ident">B</span>),
(<span class="number">2</span>, <span class="ident">C</span>),
(<span class="number">3</span>, <span class="ident">D</span>),
(<span class="number">4</span>, <span class="ident">E</span>),
(<span class="number">5</span>, <span class="ident">F</span>),
(<span class="number">6</span>, <span class="ident">G</span>),
(<span class="number">7</span>, <span class="ident">H</span>),
(<span class="number">8</span>, <span class="ident">I</span>)
);
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">bytes</span>::<span class="ident">Bytes</span>;
<span class="kw">use</span> <span class="ident">futures</span>::{<span class="ident">Async</span>, <span class="ident">Future</span>};
<span class="kw">use</span> <span class="ident">http</span>::<span class="ident">header</span>;
<span class="kw">use</span> <span class="ident">mime</span>;
<span class="kw">use</span> <span class="ident">resource</span>::<span class="ident">Resource</span>;
<span class="kw">use</span> <span class="ident">router</span>::{<span class="ident">ResourceDef</span>, <span class="ident">Router</span>};
<span class="kw">use</span> <span class="ident">test</span>::<span class="ident">TestRequest</span>;
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Deserialize</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
<span class="kw">struct</span> <span class="ident">Info</span> {
<span class="ident">hello</span>: <span class="ident">String</span>,
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_bytes</span>() {
<span class="kw">let</span> <span class="ident">cfg</span> <span class="op">=</span> <span class="ident">PayloadConfig</span>::<span class="ident">default</span>();
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">"11"</span>)
.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"hello=world"</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="ident">Bytes</span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">cfg</span>).<span class="ident">unwrap</span>().<span class="ident">poll</span>().<span class="ident">unwrap</span>() {
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">s</span>) <span class="op">=></span> {
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>, <span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"hello=world"</span>));
}
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_string</span>() {
<span class="kw">let</span> <span class="ident">cfg</span> <span class="op">=</span> <span class="ident">PayloadConfig</span>::<span class="ident">default</span>();
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">"11"</span>)
.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"hello=world"</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="ident">String</span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">cfg</span>).<span class="ident">unwrap</span>().<span class="ident">poll</span>().<span class="ident">unwrap</span>() {
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">s</span>) <span class="op">=></span> {
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>, <span class="string">"hello=world"</span>);
}
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_form</span>() {
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
<span class="string">"application/x-www-form-urlencoded"</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">"11"</span>)
.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"hello=world"</span>))
.<span class="ident">finish</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cfg</span> <span class="op">=</span> <span class="ident">FormConfig</span>::<span class="ident">default</span>();
<span class="ident">cfg</span>.<span class="ident">limit</span>(<span class="number">4096</span>);
<span class="kw">match</span> <span class="ident">Form</span>::<span class="op"><</span><span class="ident">Info</span><span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">cfg</span>).<span class="ident">poll</span>().<span class="ident">unwrap</span>() {
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">s</span>) <span class="op">=></span> {
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">hello</span>, <span class="string">"world"</span>);
}
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_option</span>() {
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
<span class="string">"application/x-www-form-urlencoded"</span>,
).<span class="ident">finish</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cfg</span> <span class="op">=</span> <span class="ident">FormConfig</span>::<span class="ident">default</span>();
<span class="ident">cfg</span>.<span class="ident">limit</span>(<span class="number">4096</span>);
<span class="kw">match</span> <span class="prelude-ty">Option</span>::<span class="op"><</span><span class="ident">Form</span><span class="op"><</span><span class="ident">Info</span><span class="op">>></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">cfg</span>)
.<span class="ident">poll</span>()
.<span class="ident">unwrap</span>()
{
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">r</span>) <span class="op">=></span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>, <span class="prelude-val">None</span>),
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
<span class="string">"application/x-www-form-urlencoded"</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">"9"</span>)
.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"hello=world"</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="prelude-ty">Option</span>::<span class="op"><</span><span class="ident">Form</span><span class="op"><</span><span class="ident">Info</span><span class="op">>></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">cfg</span>)
.<span class="ident">poll</span>()
.<span class="ident">unwrap</span>()
{
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">r</span>) <span class="op">=></span> <span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">r</span>,
<span class="prelude-val">Some</span>(<span class="ident">Form</span>(<span class="ident">Info</span> {
<span class="ident">hello</span>: <span class="string">"world"</span>.<span class="ident">into</span>()
}))
),
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
<span class="string">"application/x-www-form-urlencoded"</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">"9"</span>)
.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"bye=world"</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="prelude-ty">Option</span>::<span class="op"><</span><span class="ident">Form</span><span class="op"><</span><span class="ident">Info</span><span class="op">>></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">cfg</span>)
.<span class="ident">poll</span>()
.<span class="ident">unwrap</span>()
{
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">r</span>) <span class="op">=></span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>, <span class="prelude-val">None</span>),
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_result</span>() {
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
<span class="string">"application/x-www-form-urlencoded"</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">"11"</span>)
.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"hello=world"</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="prelude-ty">Result</span>::<span class="op"><</span><span class="ident">Form</span><span class="op"><</span><span class="ident">Info</span><span class="op">></span>, <span class="ident">Error</span><span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">FormConfig</span>::<span class="ident">default</span>())
.<span class="ident">poll</span>()
.<span class="ident">unwrap</span>()
{
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Ok</span>(<span class="ident">r</span>)) <span class="op">=></span> <span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">r</span>,
<span class="ident">Form</span>(<span class="ident">Info</span> {
<span class="ident">hello</span>: <span class="string">"world"</span>.<span class="ident">into</span>()
})
),
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
<span class="string">"application/x-www-form-urlencoded"</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">"9"</span>)
.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b"bye=world"</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="prelude-ty">Result</span>::<span class="op"><</span><span class="ident">Form</span><span class="op"><</span><span class="ident">Info</span><span class="op">></span>, <span class="ident">Error</span><span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span><span class="ident">FormConfig</span>::<span class="ident">default</span>())
.<span class="ident">poll</span>()
.<span class="ident">unwrap</span>()
{
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">r</span>) <span class="op">=></span> <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">is_err</span>()),
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_payload_config</span>() {
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">finish</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cfg</span> <span class="op">=</span> <span class="ident">PayloadConfig</span>::<span class="ident">default</span>();
<span class="ident">cfg</span>.<span class="ident">mimetype</span>(<span class="ident">mime</span>::<span class="ident">APPLICATION_JSON</span>);
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">cfg</span>.<span class="ident">check_mimetype</span>(<span class="kw-2">&</span><span class="ident">req</span>).<span class="ident">is_err</span>());
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
<span class="string">"application/x-www-form-urlencoded"</span>,
).<span class="ident">finish</span>();
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">cfg</span>.<span class="ident">check_mimetype</span>(<span class="kw-2">&</span><span class="ident">req</span>).<span class="ident">is_err</span>());
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span>
<span class="ident">TestRequest</span>::<span class="ident">with_header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>, <span class="string">"application/json"</span>).<span class="ident">finish</span>();
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">cfg</span>.<span class="ident">check_mimetype</span>(<span class="kw-2">&</span><span class="ident">req</span>).<span class="ident">is_ok</span>());
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Deserialize</span>)]</span>
<span class="kw">struct</span> <span class="ident">MyStruct</span> {
<span class="ident">key</span>: <span class="ident">String</span>,
<span class="ident">value</span>: <span class="ident">String</span>,
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Deserialize</span>)]</span>
<span class="kw">struct</span> <span class="ident">Id</span> {
<span class="ident">id</span>: <span class="ident">String</span>,
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Deserialize</span>)]</span>
<span class="kw">struct</span> <span class="ident">Test2</span> {
<span class="ident">key</span>: <span class="ident">String</span>,
<span class="ident">value</span>: <span class="ident">u32</span>,
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_request_extract</span>() {
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_uri</span>(<span class="string">"/name/user1/?id=test"</span>).<span class="ident">finish</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">router</span> <span class="op">=</span> <span class="ident">Router</span>::<span class="op"><</span>()<span class="op">></span>::<span class="ident">new</span>();
<span class="ident">router</span>.<span class="ident">register_resource</span>(<span class="ident">Resource</span>::<span class="ident">new</span>(<span class="ident">ResourceDef</span>::<span class="ident">new</span>(<span class="string">"/{key}/{value}/"</span>)));
<span class="kw">let</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">router</span>.<span class="ident">recognize</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>(), <span class="number">0</span>);
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">with_route_info</span>(<span class="ident">info</span>);
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Path</span>::<span class="op"><</span><span class="ident">MyStruct</span><span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>()).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">key</span>, <span class="string">"name"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">value</span>, <span class="string">"user1"</span>);
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Path</span>::<span class="op"><</span>(<span class="ident">String</span>, <span class="ident">String</span>)<span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>()).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="number">0</span>, <span class="string">"name"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="number">1</span>, <span class="string">"user1"</span>);
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Query</span>::<span class="op"><</span><span class="ident">Id</span><span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>()).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">id</span>, <span class="string">"test"</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">router</span> <span class="op">=</span> <span class="ident">Router</span>::<span class="op"><</span>()<span class="op">></span>::<span class="ident">new</span>();
<span class="ident">router</span>.<span class="ident">register_resource</span>(<span class="ident">Resource</span>::<span class="ident">new</span>(<span class="ident">ResourceDef</span>::<span class="ident">new</span>(<span class="string">"/{key}/{value}/"</span>)));
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_uri</span>(<span class="string">"/name/32/"</span>).<span class="ident">finish</span>();
<span class="kw">let</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">router</span>.<span class="ident">recognize</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>(), <span class="number">0</span>);
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">with_route_info</span>(<span class="ident">info</span>);
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Path</span>::<span class="op"><</span><span class="ident">Test2</span><span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>()).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">as_ref</span>().<span class="ident">key</span>, <span class="string">"name"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">value</span>, <span class="number">32</span>);
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Path</span>::<span class="op"><</span>(<span class="ident">String</span>, <span class="ident">u8</span>)<span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>()).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="number">0</span>, <span class="string">"name"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="number">1</span>, <span class="number">32</span>);
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">Path</span>::<span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">String</span><span class="op">>></span>::<span class="ident">extract</span>(<span class="kw-2">&</span><span class="ident">req</span>).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">res</span>[<span class="number">0</span>], <span class="string">"name"</span>.<span class="ident">to_owned</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">res</span>[<span class="number">1</span>], <span class="string">"32"</span>.<span class="ident">to_owned</span>());
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_extract_path_single</span>() {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">router</span> <span class="op">=</span> <span class="ident">Router</span>::<span class="op"><</span>()<span class="op">></span>::<span class="ident">new</span>();
<span class="ident">router</span>.<span class="ident">register_resource</span>(<span class="ident">Resource</span>::<span class="ident">new</span>(<span class="ident">ResourceDef</span>::<span class="ident">new</span>(<span class="string">"/{value}/"</span>)));
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_uri</span>(<span class="string">"/32/"</span>).<span class="ident">finish</span>();
<span class="kw">let</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">router</span>.<span class="ident">recognize</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>(), <span class="number">0</span>);
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">with_route_info</span>(<span class="ident">info</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">*</span><span class="ident">Path</span>::<span class="op"><</span><span class="ident">i8</span><span class="op">></span>::<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>()).<span class="ident">unwrap</span>(), <span class="number">32</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_tuple_extract</span>() {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">router</span> <span class="op">=</span> <span class="ident">Router</span>::<span class="op"><</span>()<span class="op">></span>::<span class="ident">new</span>();
<span class="ident">router</span>.<span class="ident">register_resource</span>(<span class="ident">Resource</span>::<span class="ident">new</span>(<span class="ident">ResourceDef</span>::<span class="ident">new</span>(<span class="string">"/{key}/{value}/"</span>)));
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_uri</span>(<span class="string">"/name/user1/?id=test"</span>).<span class="ident">finish</span>();
<span class="kw">let</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">router</span>.<span class="ident">recognize</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="kw-2">&</span>(), <span class="number">0</span>);
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">with_route_info</span>(<span class="ident">info</span>);
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="kw">match</span> <span class="op"><</span>(<span class="ident">Path</span><span class="op"><</span>(<span class="ident">String</span>, <span class="ident">String</span>)<span class="op">></span>,)<span class="op">></span>::<span class="ident">extract</span>(<span class="kw-2">&</span><span class="ident">req</span>).<span class="ident">poll</span>() {
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">res</span>)) <span class="op">=></span> <span class="ident">res</span>,
<span class="kw">_</span> <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"error"</span>),
};
<span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">res</span>.<span class="number">0</span>).<span class="number">0</span>, <span class="string">"name"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">res</span>.<span class="number">0</span>).<span class="number">1</span>, <span class="string">"user1"</span>);
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="kw">match</span> <span class="op"><</span>(<span class="ident">Path</span><span class="op"><</span>(<span class="ident">String</span>, <span class="ident">String</span>)<span class="op">></span>, <span class="ident">Path</span><span class="op"><</span>(<span class="ident">String</span>, <span class="ident">String</span>)<span class="op">></span>)<span class="op">></span>::<span class="ident">extract</span>(<span class="kw-2">&</span><span class="ident">req</span>)
.<span class="ident">poll</span>()
{
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">res</span>)) <span class="op">=></span> <span class="ident">res</span>,
<span class="kw">_</span> <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"error"</span>),
};
<span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">res</span>.<span class="number">0</span>).<span class="number">0</span>, <span class="string">"name"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">res</span>.<span class="number">0</span>).<span class="number">1</span>, <span class="string">"user1"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">res</span>.<span class="number">1</span>).<span class="number">0</span>, <span class="string">"name"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">res</span>.<span class="number">1</span>).<span class="number">1</span>, <span class="string">"user1"</span>);
}
}
</pre>
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