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<!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><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-9ee3a5e31a2afa3e.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="1.76.0-nightly (dd430bc8c 2023-11-14)" data-channel="nightly" data-search-js="search-8fbf244ebcf71464.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../../../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="../../../static.files/src-script-3280b574d94e47b4.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-f06f02fd918e3bb3.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-5d8b3c7633ad77ba.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"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../../actix_settings/index.html"><img src="https://actix.rs/img/logo.png" alt="actix_settings"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><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;
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<span class="kw">use </span>regex::Regex;
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<span class="kw">use </span>serde::Deserialize;
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<span class="kw">use crate</span>::{Error, Parse};
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<span class="kw">static </span>ADDR_REGEX: Lazy<Regex> = Lazy::new(|| {
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Regex::new(
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<span class="string">r#"(?x)
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\[ # opening square bracket
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(\s)* # optional whitespace
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"(?P<host>[^"]+)" # host name (string)
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, # separating comma
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(\s)* # optional whitespace
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(?P<port>\d+) # port number (integer)
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(\s)* # optional whitespace
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\] # closing square bracket
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"#</span>,
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)
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.expect(<span class="string">"Failed to compile regex: ADDR_REGEX"</span>)
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});
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<span class="kw">static </span>ADDR_LIST_REGEX: Lazy<Regex> = Lazy::new(|| {
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Regex::new(
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<span class="string">r#"(?x)
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\[ # opening square bracket (list)
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(\s)* # optional whitespace
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(?P<elements>(
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\[".*", (\s)* \d+\] # element
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(,)? # element separator
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(\s)* # optional whitespace
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)*)
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(\s)* # optional whitespace
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\] # closing square bracket (list)
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"#</span>,
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)
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.expect(<span class="string">"Failed to compile regex: ADDRS_REGEX"</span>)
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});
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<span class="doccomment">/// A host/port pair for the server to bind to.
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</span><span class="attr">#[derive(Debug, Clone, PartialEq, Eq, Hash, Deserialize)]
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</span><span class="kw">pub struct </span>Address {
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<span class="doccomment">/// Host part of address.
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</span><span class="kw">pub </span>host: String,
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<span class="doccomment">/// Port part of address.
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</span><span class="kw">pub </span>port: u16,
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}
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<span class="kw">impl </span>Parse <span class="kw">for </span>Address {
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<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> {
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<span class="kw">let </span><span class="kw-2">mut </span>items = string
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.trim()
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.trim_start_matches(<span class="string">'['</span>)
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.trim_end_matches(<span class="string">']'</span>)
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.split(<span class="string">','</span>);
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<span class="kw">let </span>parse_error = || Error::ParseAddressError(string.to_string());
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<span class="kw">if </span>!ADDR_REGEX.is_match(string) {
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<span class="kw">return </span><span class="prelude-val">Err</span>(parse_error());
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}
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<span class="prelude-val">Ok</span>(<span class="self">Self </span>{
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host: items.next().ok_or_else(parse_error)<span class="question-mark">?</span>.trim().to_string(),
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port: items.next().ok_or_else(parse_error)<span class="question-mark">?</span>.trim().parse()<span class="question-mark">?</span>,
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})
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}
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}
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<span class="kw">impl </span>Parse <span class="kw">for </span>Vec<Address> {
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<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> {
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<span class="kw">let </span>parse_error = || Error::ParseAddressError(string.to_string());
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<span class="kw">if </span>!ADDR_LIST_REGEX.is_match(string) {
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<span class="kw">return </span><span class="prelude-val">Err</span>(parse_error());
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}
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<span class="kw">let </span><span class="kw-2">mut </span>addrs = <span class="macro">vec!</span>[];
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<span class="kw">for </span>list_caps <span class="kw">in </span>ADDR_LIST_REGEX.captures_iter(string) {
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<span class="kw">let </span>elements = <span class="kw-2">&</span>list_caps[<span class="string">"elements"</span>].trim();
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<span class="kw">for </span>elt_caps <span class="kw">in </span>ADDR_REGEX.captures_iter(elements) {
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addrs.push(Address {
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host: elt_caps[<span class="string">"host"</span>].to_string(),
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port: elt_caps[<span class="string">"port"</span>].parse()<span class="question-mark">?</span>,
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});
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}
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}
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<span class="prelude-val">Ok</span>(addrs)
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}
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}
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</code></pre></div></section></main></body></html> |