<!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 of the Rust file `actix-settings/src/settings/address.rs`."><title>address.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="actix_settings" data-themes="" data-resource-suffix="" data-rustdoc-version="1.81.0-nightly (f21554f7f 2024-06-08)" data-channel="nightly" data-search-js="search-9d4fa2dd5e5a7e17.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="../../../static.files/src-script-e66d777a5a92e9b2.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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</pre></div><pre class="rust"><code><span class="kw">use </span>once_cell::sync::Lazy;
<span class="kw">use </span>regex::Regex;
<span class="kw">use </span>serde::Deserialize;
<span class="kw">use crate</span>::{Error, Parse};
<span class="kw">static </span>ADDR_REGEX: Lazy<Regex> = Lazy::new(|| {
Regex::new(
<span class="string">r#"(?x)
\[ # opening square bracket
(\s)* # optional whitespace
"(?P<host>[^"]+)" # host name (string)
, # separating comma
(\s)* # optional whitespace
(?P<port>\d+) # port number (integer)
(\s)* # optional whitespace
\] # closing square bracket
"#</span>,
)
.expect(<span class="string">"Failed to compile regex: ADDR_REGEX"</span>)
});
<span class="kw">static </span>ADDR_LIST_REGEX: Lazy<Regex> = Lazy::new(|| {
Regex::new(
<span class="string">r#"(?x)
\[ # opening square bracket (list)
(\s)* # optional whitespace
(?P<elements>(
\[".*", (\s)* \d+\] # element
(,)? # element separator
(\s)* # optional whitespace
)*)
(\s)* # optional whitespace
\] # closing square bracket (list)
"#</span>,
)
.expect(<span class="string">"Failed to compile regex: ADDRS_REGEX"</span>)
});
<span class="doccomment">/// A host/port pair for the server to bind to.
</span><span class="attr">#[derive(Debug, Clone, PartialEq, Eq, Hash, Deserialize)]
</span><span class="kw">pub struct </span>Address {
<span class="doccomment">/// Host part of address.
</span><span class="kw">pub </span>host: String,
<span class="doccomment">/// Port part of address.
</span><span class="kw">pub </span>port: u16,
}
<span class="kw">impl </span>Parse <span class="kw">for </span>Address {
<span class="kw">fn </span>parse(string: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, Error> {
<span class="kw">let </span><span class="kw-2">mut </span>items = string
.trim()
.trim_start_matches(<span class="string">'['</span>)
.trim_end_matches(<span class="string">']'</span>)
.split(<span class="string">','</span>);
<span class="kw">let </span>parse_error = || Error::ParseAddressError(string.to_string());
<span class="kw">if </span>!ADDR_REGEX.is_match(string) {
<span class="kw">return </span><span class="prelude-val">Err</span>(parse_error());
}
<span class="prelude-val">Ok</span>(<span class="self">Self </span>{
host: items.next().ok_or_else(parse_error)<span class="question-mark">?</span>.trim().to_string(),
port: items.next().ok_or_else(parse_error)<span class="question-mark">?</span>.trim().parse()<span class="question-mark">?</span>,
})
}
}
<span class="kw">impl </span>Parse <span class="kw">for </span>Vec<Address> {
<span class="kw">fn </span>parse(string: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, Error> {
<span class="kw">let </span>parse_error = || Error::ParseAddressError(string.to_string());
<span class="kw">if </span>!ADDR_LIST_REGEX.is_match(string) {
<span class="kw">return </span><span class="prelude-val">Err</span>(parse_error());
}
<span class="kw">let </span><span class="kw-2">mut </span>addrs = <span class="macro">vec!</span>[];
<span class="kw">for </span>list_caps <span class="kw">in </span>ADDR_LIST_REGEX.captures_iter(string) {
<span class="kw">let </span>elements = <span class="kw-2">&</span>list_caps[<span class="string">"elements"</span>].trim();
<span class="kw">for </span>elt_caps <span class="kw">in </span>ADDR_REGEX.captures_iter(elements) {
addrs.push(Address {
host: elt_caps[<span class="string">"host"</span>].to_string(),
port: elt_caps[<span class="string">"port"</span>].parse()<span class="question-mark">?</span>,
});
}
}
<span class="prelude-val">Ok</span>(addrs)
}
}
</code></pre></div></section></main></body></html>