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5.6 KiB
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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="API documentation for the Rust `decode_html` fn in crate `htmlescape`."><meta name="keywords" content="rust, rustlang, rust-lang, decode_html"><title>htmlescape::decode_html - Rust</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><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[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><a href='../htmlescape/index.html'><img src='../rust-logo.png' alt='logo' width='100'></a><div class="sidebar-elems"><p class='location'><a href='index.html'>htmlescape</a></p><script>window.sidebarCurrent = {name: 'decode_html', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></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"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><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"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/htmlescape/decode.rs.html#174-183' title='goto source code'>[src]</a></span><span class='in-band'>Function <a href='index.html'>htmlescape</a>::<wbr><a class="fn" href=''>decode_html</a></span></h1><pre class='rust fn'>pub fn decode_html(s: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="../htmlescape/struct.DecodeErr.html" title="struct htmlescape::DecodeErr">DecodeErr</a>></pre><div class='docblock'><p>Decodes an entity-encoded string.</p>
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<p>Decodes an entity encoded string, replacing HTML entities (<code>&amp;</code>, <code>&#20;</code> ...) with the
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the corresponding character. Case matters for named entities, ie. <code>&Amp;</code> is invalid.
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Case does not matter for hex entities, so <code>&#x2E;</code> and <code>&#x2e;</code> are treated the same.</p>
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<h1 id="arguments" class="section-header"><a href="#arguments">Arguments</a></h1>
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<ul>
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<li><code>s</code> - Entity-encoded string to decode.</li>
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</ul>
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<h1 id="failure" class="section-header"><a href="#failure">Failure</a></h1>
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<p>The function will fail if input string contains invalid named entities (eg. <code>&nosuchentity;</code>),
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invalid hex entities (eg. <code>&#xRT;</code>), invalid decimal entities (eg. <code>&#-1;), unclosed entities (</code>s == "&amp hej och hå"`) or otherwise malformed entities.</p>
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<p>This function will never return errors with <code>kind</code> set to <code>IoError</code> or <code>EncodingError</code>.</p>
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