content/glyph/book/extending/bookmarks_headers.html
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<!DOCTYPE html> <html lang="en"> <head> <title>Bookmarks and Headers - H3RALD</title> <link href='https://fonts.googleapis.com/css?family=Crimson+Text:400,400italic,600,600italic,700,700italic' rel='stylesheet' type='text/css'> <meta charset="utf-8" /> <meta name="author" content="Fabio Cevasco" /> <meta name="robots" content="all, follow" /> <meta name="Revisit-After" content="2 Days" /> <meta name="description" content="H3RALD - Fabio Cevasco's Web Site" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="keywords" content="h3rald, fabio cevasco, glyph, ruby" /> <link rel="shortcut icon" href="/favicon.png" type="image/png" /> <meta content="44.388041;9.073248" name="ICBM" /> <link rel="stylesheet" type="text/css" href="/styles/bootstrap.css" /> <link rel="stylesheet" type="text/css" href="/styles/github.css" /> <link rel="stylesheet" type="text/css" href="/styles/style.css" /> <!--[if lt IE 9]> <script src="https://html5shiv.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> <script src="https://www.google.com/jsapi?key=ABQIAAAAr6RY1Z6dchG_sX9WDLSy3xRlq2n1sm52B5HDRR5tm6o8XM18FhR56xHNNH6CsX86uN5VoTrglpyOyQ" type="text/javascript"></script> <script src="/js/sevenup.js" type="text/javascript"></script> <script src="/js/sevenup_black.js" type="text/javascript"></script> <script src="https://code.jquery.com/jquery-latest.js" type="text/javascript"></script> <script src="/js/jquery-timeago.js" type="text/javascript"></script> <script src="/js/date.js" type="text/javascript"></script> <script src="/js/hyphenator.js" type="text/javascript"></script> <script src="/js/init.js" type="text/javascript"></script> <script src="/js/search.js" type="text/javascript"></script> <script src="/js/highlight.js" type="text/javascript"></script> <script src="/js/bootstrap.js" type="text/javascript"></script> </head> <body> <div class="container"> <div class="row" id="header-row"> <div class="col-md-6 main-title"> <h1> <a href="/"><img src="/img/h3rald.png" alt="H3RALD" /></a> </h1> </div> <div class="col-md-4 col-md-offset-2"> <div class="gcse-searchbox" data-enableAutoComplete="true"></div> </div> </div> <div id="search_results"> <div class="gcse-searchresults" data-linkTarget="_top"></div> </div> <div id="main-navbar" class="navbar navbar-inverse" role="navigation"> <div class="navbar-header"> <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> </div> <div class="navbar-collapse collapse"> <ul class="nav navbar-nav"> <li><a href="/"><i class="fa fa-home"></i> HOME</a></li> <li><a href="/projects/"><i class="fa fa-briefcase"></i> PROJECTS</a></li> <li><a href="/tags/"><i class="fa fa-tags"></i> TAGS</a></li> <li><a href="/archives/"><i class="fa fa-archive"></i> ARCHIVES</a></li> <li><a href="/about/"><i class="fa fa-question-circle"></i> ABOUT</a></li> <li><a href="/contact/"><i class="fa fa-envelope"></i> CONTACT</a></li> </ul> </div> </div> </div> <div class="container"> <article class="page"> <header class="row"> <hgroup class="col-md-9"> <h1>Bookmarks and Headers</h1> <h2>Glyph</h2> </hgroup> </header> <section id="body-text" class="hyphenate"> <nav class="navigation"><a href="/glyph/book/extending/params_attrs.html">← Parameters and Attributes</a> | <a href="/glyph/book/index.html">Contents</a> | <a href="/glyph/book/extending/placeholders.html">Using Placeholders →</a></nav> <p>The <a href="http://rubydoc.info/gems/glyph/Macro"><code>Glyph::Macro</code></a> class also includes a few methods to check and store bookmarks and headers. Consider for example the following source code for the <a href="/glyph/book/macros/macros_inline.html#m_anchor"><code>anchor</code></a> macro:</p> <div class="CodeRay"> <div class="code"><pre><span class="line-numbers"><a href="#n1" name="n1">1</a></span>macro <span class="symbol">:anchor</span> <span class="keyword">do</span> <span class="line-numbers"><a href="#n2" name="n2">2</a></span> min_parameters <span class="integer">1</span> <span class="line-numbers"><a href="#n3" name="n3">3</a></span> max_parameters <span class="integer">2</span> <span class="line-numbers"><a href="#n4" name="n4">4</a></span> bookmark <span class="symbol">:id</span> => param(<span class="integer">0</span>), <span class="symbol">:title</span> => param(<span class="integer">1</span>), <span class="symbol">:file</span> => <span class="instance-variable">@source_file</span> <span class="line-numbers"><a href="#n5" name="n5">5</a></span> <span class="instance-variable">@data</span>[<span class="symbol">:id</span>] = param <span class="integer">0</span> <span class="line-numbers"><a href="#n6" name="n6">6</a></span> <span class="instance-variable">@data</span>[<span class="symbol">:title</span>] = param <span class="integer">1</span> <span class="line-numbers"><a href="#n7" name="n7">7</a></span> render <span class="line-numbers"><a href="#n8" name="n8">8</a></span><span class="keyword">end</span></pre></div> </div> <p>The <code>bookmark?</code> method can be used to check the existance of a particular ID within the whole document, while the <code>bookmark</code> method is used to store bookmark IDs and titles. In a similar way, you can use <code>header?</code> and <code>header</code> methods to check the existance of headers within the documents or store new ones.</p> <nav class="navigation"><a href="/glyph/book/extending/params_attrs.html">← Parameters and Attributes</a> | <a href="/glyph/book/index.html">Contents</a> | <a href="/glyph/book/extending/placeholders.html">Using Placeholders →</a></nav> </section> </article> </div> <footer> <section> <p>H3RALD Web Site v8.4 © 2004 — 2014 <em>Fabio Cevasco</em></p> </section> </footer> <script type="text/javascript"> var disqus_shortname = 'h3rald'; (function() { var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true; dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js'; (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq); })(); </script> <noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript> <a href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a> <script> hljs.tabReplace = ' '; hljs.initHighlightingOnLoad(); </script> <!-- Start Google Analytics --> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-18587377-1']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 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