| <!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 `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/unicode-bidi-0.3.13/src/data_source.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>data_source.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../unicode_bidi/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../unicode_bidi/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" 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="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="comment">// Copyright 2015 The Servo Project Developers. See the |
| // COPYRIGHT file at the top-level directory of this distribution. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| </span><span class="kw">use </span><span class="kw">crate</span>::BidiClass; |
| |
| <span class="doccomment">/// This is the return value of [`BidiDataSource::bidi_matched_opening_bracket()`]. |
| /// |
| /// It represents the matching *normalized* opening bracket for a given bracket in a bracket pair, |
| /// and whether or not that bracket is opening. |
| </span><span class="attribute">#[derive(Debug, Copy, Clone)] |
| </span><span class="kw">pub struct </span>BidiMatchedOpeningBracket { |
| <span class="doccomment">/// The corresponding opening bracket in this bracket pair, normalized |
| /// |
| /// In case of opening brackets, this will be the bracket itself, except for when the bracket |
| /// is not normalized, in which case it will be the normalized form. |
| </span><span class="kw">pub </span>opening: char, |
| <span class="doccomment">/// Whether or not the requested bracket was an opening bracket. True for opening |
| </span><span class="kw">pub </span>is_open: bool, |
| } |
| |
| <span class="doccomment">/// This trait abstracts over a data source that is able to produce the Unicode Bidi class for a given |
| /// character |
| </span><span class="kw">pub trait </span>BidiDataSource { |
| <span class="kw">fn </span>bidi_class(<span class="kw-2">&</span><span class="self">self</span>, c: char) -> BidiClass; |
| <span class="doccomment">/// If this character is a bracket according to BidiBrackets.txt, |
| /// return the corresponding *normalized* *opening bracket* of the pair, |
| /// and whether or not it itself is an opening bracket. |
| /// |
| /// This effectively buckets brackets into equivalence classes keyed on the |
| /// normalized opening bracket. |
| /// |
| /// The default implementation will pull in a small amount of hardcoded data, |
| /// regardless of the `hardcoded-data` feature. This is in part for convenience |
| /// (since this data is small and changes less often), and in part so that this method can be |
| /// added without needing a breaking version bump. |
| /// Override this method in your custom data source to prevent the use of hardcoded data. |
| </span><span class="kw">fn </span>bidi_matched_opening_bracket(<span class="kw-2">&</span><span class="self">self</span>, c: char) -> <span class="prelude-ty">Option</span><BidiMatchedOpeningBracket> { |
| <span class="kw">crate</span>::char_data::bidi_matched_opening_bracket(c) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="unicode_bidi" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
