src/librustdoc/html/layout.rs

   1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 use std::fmt;
  12 use std::io::prelude::*;
  13 use std::io;
  14
  15 use externalfiles::ExternalHtml;
  16
  17 #[derive(Clone)]
  18 pub struct Layout {
  19     pub logo: String,
  20     pub favicon: String,
  21     pub external_html: ExternalHtml,
  22     pub krate: String,
  23     pub playground_url: String,
  24 }
  25
  26 pub struct Page<'a> {
  27     pub title: &'a str,
  28     pub ty: &'a str,
  29     pub root_path: &'a str,
  30     pub description: &'a str,
  31     pub keywords: &'a str
  32 }
  33
  34 pub fn render<T: fmt::Display, S: fmt::Display>(
  35     dst: &mut io::Write, layout: &Layout, page: &Page, sidebar: &S, t: &T)
  36     -> io::Result<()>
  37 {
  38     write!(dst,
  39 r##"<!DOCTYPE html>
  40 <html lang="en">
  41 <head>
  42     <meta charset="utf-8">
  43     <meta name="viewport" content="width=device-width, initial-scale=1.0">
  44     <meta name="generator" content="rustdoc">
  45     <meta name="description" content="{description}">
  46     <meta name="keywords" content="{keywords}">
  47
  48     <title>{title}</title>
  49
  50     <link rel="stylesheet" type="text/css" href="{root_path}rustdoc.css">
  51     <link rel="stylesheet" type="text/css" href="{root_path}main.css">
  52
  53     {favicon}
  54     {in_header}
  55 </head>
  56 <body class="rustdoc">
  57     <!--[if lte IE 8]>
  58     <div class="warning">
  59         This old browser is unsupported and will most likely display funky
  60         things.
  61     </div>
  62     <![endif]-->
  63
  64     {before_content}
  65
  66     <nav class="sidebar">
  67         {logo}
  68         {sidebar}
  69     </nav>
  70
  71     <nav class="sub">
  72         <form class="search-form js-only">
  73             <div class="search-container">
  74                 <input class="search-input" name="search"
  75                        autocomplete="off"
  76                        placeholder="Click or press ‘S’ to search, ‘?’ for more options…"
  77                        type="search">
  78             </div>
  79         </form>
  80     </nav>
  81
  82     <section id='main' class="content {ty}">{content}</section>
  83     <section id='search' class="content hidden"></section>
  84
  85     <section class="footer"></section>
  86
  87     <aside id="help" class="hidden">
  88         <div>
  89             <h1 class="hidden">Help</h1>
  90
  91             <div class="shortcuts">
  92                 <h2>Keyboard Shortcuts</h2>
  93
  94                 <dl>
  95                     <dt>?</dt>
  96                     <dd>Show this help dialog</dd>
  97                     <dt>S</dt>
  98                     <dd>Focus the search field</dd>
  99                     <dt>&larrb;</dt>
 100                     <dd>Move up in search results</dd>
 101                     <dt>&rarrb;</dt>
 102                     <dd>Move down in search results</dd>
 103                     <dt>&#9166;</dt>
 104                     <dd>Go to active search result</dd>
 105                 </dl>
 106             </div>
 107
 108             <div class="infos">
 109                 <h2>Search Tricks</h2>
 110
 111                 <p>
 112                     Prefix searches with a type followed by a colon (e.g.
 113                     <code>fn:</code>) to restrict the search to a given type.
 114                 </p>
 115
 116                 <p>
 117                     Accepted types are: <code>fn</code>, <code>mod</code>,
 118                     <code>struct</code>, <code>enum</code>,
 119                     <code>trait</code>, <code>type</code>, <code>macro</code>,
 120                     and <code>const</code>.
 121                 </p>
 122
 123                 <p>
 124                     Search functions by type signature (e.g.
 125                     <code>vec -> usize</code>)
 126                 </p>
 127             </div>
 128         </div>
 129     </aside>
 130
 131     {after_content}
 132
 133     <script>
 134         window.rootPath = "{root_path}";
 135         window.currentCrate = "{krate}";
 136         window.playgroundUrl = "{play_url}";
 137     </script>
 138     <script src="{root_path}jquery.js"></script>
 139     <script src="{root_path}main.js"></script>
 140     {play_js}
 141     <script defer src="{root_path}search-index.js"></script>
 142 </body>
 143 </html>"##,
 144     content   = *t,
 145     root_path = page.root_path,
 146     ty        = page.ty,
 147     logo      = if layout.logo.is_empty() {
 148         "".to_string()
 149     } else {
 150         format!("<a href='{}{}/index.html'>\
 151                  <img src='{}' alt='logo' width='100'></a>",
 152                 page.root_path, layout.krate,
 153                 layout.logo)
 154     },
 155     title     = page.title,
 156     description = page.description,
 157     keywords = page.keywords,
 158     favicon   = if layout.favicon.is_empty() {
 159         "".to_string()
 160     } else {
 161         format!(r#"<link rel="shortcut icon" href="{}">"#, layout.favicon)
 162     },
 163     in_header = layout.external_html.in_header,
 164     before_content = layout.external_html.before_content,
 165     after_content = layout.external_html.after_content,
 166     sidebar   = *sidebar,
 167     krate     = layout.krate,
 168     play_url  = layout.playground_url,
 169     play_js   = if layout.playground_url.is_empty() {
 170         "".to_string()
 171     } else {
 172         format!(r#"<script src="{}playpen.js"></script>"#, page.root_path)
 173     },
 174     )
 175 }
 176
 177 pub fn redirect(dst: &mut io::Write, url: &str) -> io::Result<()> {
 178     // <script> triggers a redirect before refresh, so this is fine.
 179     write!(dst,
 180 r##"<!DOCTYPE html>
 181 <html lang="en">
 182 <head>
 183     <meta http-equiv="refresh" content="0;URL={url}">
 184 </head>
 185 <body>
 186     <p>Redirecting to <a href="{url}">{url}</a>...</p>
 187     <script>location.replace("{url}" + location.search + location.hash);</script>
 188 </body>
 189 </html>"##,
 190     url = url,
 191     )
 192 }