10 lines
3.6 KiB
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10 lines
3.6 KiB
HTML
<!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 `bits` mod in crate `nom`."><meta name="keywords" content="rust, rustlang, rust-lang, bits"><title>nom::bits - 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 mod"><!--[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='../../nom/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Module bits</p><div class="sidebar-elems"><p class='location'><a href='../index.html'>nom</a></p><script>window.sidebarCurrent = {name: 'bits', ty: 'mod', 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"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled 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/nom/bits.rs.html#1-507' title='goto source code'>[src]</a></span><span class='in-band'>Module <a href='../index.html'>nom</a>::<wbr><a class="mod" href=''>bits</a></span></h1><div class='docblock'><p>Bit level parsers and combinators</p>
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<p>Bit parsing is handled by tweaking the input in most macros.
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In byte level parsing, the input is generally a <code>&[u8]</code> passed from combinator
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to combinator as the slices are manipulated.</p>
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<p>Bit parsers take a <code>(&[u8], usize)</code> as input. The first part of the tuple is a byte slice,
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the second part is a bit offset in the first byte of the slice.</p>
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<p>By passing a pair like this, we can leverage most of the existing combinators, and avoid
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transforming the whole slice to a vector of booleans. This should make it easy
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to see a byte slice as a bit stream, and parse code points of arbitrary bit length.</p>
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