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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Index Interpreter</title>
<link href="../docs-assets/Breadcrumbs.css" rel="stylesheet" rev="stylesheet" type="text/css">
<meta name="viewport" content="width=device-width initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en-gb">
<link href="../docs-assets/Contents.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Progress.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Navigation.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Fonts.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Base.css" rel="stylesheet" rev="stylesheet" type="text/css">
<script>
function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
</script>
<link href="../docs-assets/Popups.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
</head>
<body class="commentary-font">
<nav role="navigation">
<h1><a href="../index.html">
<img src="../docs-assets/Inform.png" height=72">
</a></h1>
<ul><li><a href="../compiler.html">compiler tools</a></li>
<li><a href="../other.html">other tools</a></li>
<li><a href="../extensions.html">extensions and kits</a></li>
<li><a href="../units.html">unit test tools</a></li>
</ul><h2>Compiler Webs</h2><ul>
<li><a href="../inbuild/index.html">inbuild</a></li>
<li><a href="../inform7/index.html">inform7</a></li>
<li><a href="../inter/index.html">inter</a></li>
</ul><h2>Inbuild Modules</h2><ul>
<li><a href="../supervisor-module/index.html">supervisor</a></li>
</ul><h2>Inform7 Modules</h2><ul>
<li><a href="../core-module/index.html">core</a></li>
<li><a href="../assertions-module/index.html">assertions</a></li>
<li><a href="../values-module/index.html">values</a></li>
<li><a href="../knowledge-module/index.html">knowledge</a></li>
<li><a href="../imperative-module/index.html">imperative</a></li>
<li><a href="../runtime-module/index.html">runtime</a></li>
<li><a href="../if-module/index.html">if</a></li>
<li><a href="../multimedia-module/index.html">multimedia</a></li>
<li><a href="index.html"><span class="selectedlink">index</span></a></li>
</ul><h2>Inter Modules</h2><ul>
<li><a href="../bytecode-module/index.html">bytecode</a></li>
<li><a href="../building-module/index.html">building</a></li>
<li><a href="../pipeline-module/index.html">pipeline</a></li>
<li><a href="../final-module/index.html">final</a></li>
</ul><h2>Services</h2><ul>
<li><a href="../arch-module/index.html">arch</a></li>
<li><a href="../calculus-module/index.html">calculus</a></li>
<li><a href="../html-module/index.html">html</a></li>
<li><a href="../inflections-module/index.html">inflections</a></li>
<li><a href="../kinds-module/index.html">kinds</a></li>
<li><a href="../linguistics-module/index.html">linguistics</a></li>
<li><a href="../problems-module/index.html">problems</a></li>
<li><a href="../syntax-module/index.html">syntax</a></li>
<li><a href="../words-module/index.html">words</a></li>
<li><a href="../../../inweb/docs/foundation-module/index.html">foundation</a></li>
</ul>
</nav>
<main role="main">
<!--Weave of 'Index Interpreter' generated by Inweb-->
<div class="breadcrumbs">
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inter Modules</a></li><li><a href="index.html">index</a></li><li><a href="index.html#2">Chapter 2: Utilities</a></li><li><b>Index Interpreter</b></li></ul></div>
<p class="purpose">An index is generated by interpreting an index structure file.</p>
<ul class="toc"><li><a href="2-ii.html#SP3">&#167;3. Registering</a></li><li><a href="2-ii.html#SP5">&#167;5. Opening and closing HTML files</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. </b>The index is generated by a bare-bones structure file. These are identified
by name: in particular <span class="extract"><span class="extract-syntax">Basic</span></span> is the barer version, for Basic Inform projects,
while <span class="extract"><span class="extract-syntax">Standard</span></span> is the index as generated to suit typical IF uses of the Standard
Rules &mdash; so, in other words, that's the index which most Inform users know.
These names have to correspond to <span class="extract"><span class="extract-syntax">.indext</span></span> structure files stored in the
Inform distribution.
</p>
<p class="commentary">The structure file really just shows which index elements to include on which
pages. For example:
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax">page Kinds e9cf08</span>
<span class="plain-syntax">element Ch</span>
<span class="plain-syntax">element Ar</span>
<span class="plain-syntax">element Vl</span>
</pre>
<p class="commentary">declares a new index page with leafname <span class="extract"><span class="extract-syntax">Kinds.html</span></span>, and with the highlight
colour (in CSS hexadecimal style) <span class="extract"><span class="extract-syntax">e9cf08</span></span>; and then declzres that it contains
the three elements <span class="extract"><span class="extract-syntax">Ch</span></span>, <span class="extract"><span class="extract-syntax">Ar</span></span> and <span class="extract"><span class="extract-syntax">Vl</span></span>, in that order. Note that this file does
not contain any user-facing text: all of that comes from <a href="../html-module/2-lcl.html" class="internal">Localisation (in html)</a>.
</p>
<p class="commentary">The file also doesn't contain instructions for what goes into those elements.
All of that is hardwired into this module's code: for example, <span class="extract"><span class="extract-syntax">Ar</span></span> is generated
by the function <a href="3-ae2.html#SP1" class="internal">ArithmeticElement::render</a> in <a href="3-ae2.html" class="internal">Arithmetic Element</a>.
</p>
<p class="commentary">The method here is basically to read all the declarations, generating a set
of <a href="2-ii.html#SP3" class="internal">index_page</a> and <a href="2-ii.html#SP4" class="internal">index_element</a> objects to represent them, and only to
begin writing some HTML when this scanning is done, i.e., when the whole structure
file has been read.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">InterpretIndex::generate</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">InterpretIndex::generate</span></span>:<br/>Indexing API - <a href="1-ia.html#SP3_1">&#167;3.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">structure</span><span class="plain-syntax">, </span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *</span><span class="identifier-syntax">session</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">localisation_dictionary</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="1-ia.html#SP6" class="function-link"><span class="function-syntax">Indexing::get_localisation</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="1-ia.html#SP7" class="function-link"><span class="function-syntax">Indexing::empty_list_of_pages</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">filename</span><span class="plain-syntax"> *</span><span class="identifier-syntax">index_structure</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InstalledFiles::index_structure_file</span><span class="plain-syntax">(</span><span class="identifier-syntax">structure</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-ii.html#SP1_1" class="named-paragraph-link"><span class="named-paragraph">Read the structure file line by line</span><span class="named-paragraph-number">1.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-ii.html#SP1_2" class="named-paragraph-link"><span class="named-paragraph">Actually generate the index files</span><span class="named-paragraph-number">1.2</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP1_1" class="paragraph-anchor"></a><b>&#167;1.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Read the structure file line by line</span><span class="named-paragraph-number">1.1</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="identifier-syntax">TextFiles::read</span><span class="plain-syntax">(</span><span class="identifier-syntax">index_structure</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="string-syntax">"unable to read index structure file"</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> &amp;</span><a href="2-ii.html#SP2" class="function-link"><span class="function-syntax">InterpretIndex::read_structure</span></a><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, (</span><span class="reserved-syntax">void</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="2-ii.html#SP1">&#167;1</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b><span class="extract"><span class="extract-syntax">contents</span></span> is currently implemented identically to <span class="extract"><span class="extract-syntax">pages</span></span>, but it is supposed to
represent the home page of the index. The declaration for it should come
last in the structure file, like so:
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax">contents Welcome 111111</span>
</pre>
<p class="commentary">It has no elements, because its only content will be a menu of links to the other
pages.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">InterpretIndex::read_structure</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">InterpretIndex::read_structure</span></span>:<br/><a href="2-ii.html#SP1_1">&#167;1.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_file_position</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tfp</span><span class="plain-syntax">, </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">state</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *</span><span class="identifier-syntax">session</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">state</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">localisation_dictionary</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="1-ia.html#SP6" class="function-link"><span class="function-syntax">Indexing::get_localisation</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">match_results</span><span class="plain-syntax"> </span><span class="identifier-syntax">mr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Regexp::create_mr</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Regexp::match</span><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">mr</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"page (%C+) (%C+)"</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-ii.html#SP2_1" class="named-paragraph-link"><span class="named-paragraph">Register a new index page</span><span class="named-paragraph-number">2.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Regexp::match</span><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">mr</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"contents (%C+) (%C+)"</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-ii.html#SP2_1" class="named-paragraph-link"><span class="named-paragraph">Register a new index page</span><span class="named-paragraph-number">2.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Regexp::match</span><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">mr</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"element (%C+)"</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-ii.html#SP2_2" class="named-paragraph-link"><span class="named-paragraph">Register a new index element</span><span class="named-paragraph-number">2.2</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Regexp::dispose_of</span><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">mr</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP2_1" class="paragraph-anchor"></a><b>&#167;2.1. </b>Note that the heading written on <span class="extract"><span class="extract-syntax">Kinds.html</span></span>, say, is drawn from the
localisation file under the key <span class="extract"><span class="extract-syntax">%Title</span></span> in the context <span class="extract"><span class="extract-syntax">%%Kinds</span></span>. In English,
that will be "Kinds", but if the index is being generated with a Dutch localisation
dictionary then perhaps it would be "Soorten". Under the hood, though, the filename
will be <span class="extract"><span class="extract-syntax">Kinds.html</span></span> either way.
</p>
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Register a new index page</span><span class="named-paragraph-number">2.1</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">col</span><span class="plain-syntax"> = </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[1];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">key</span><span class="plain-syntax"> = </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[0];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">path</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">path</span><span class="plain-syntax">, </span><span class="string-syntax">"Index.Pages.%S.Title"</span><span class="plain-syntax">, </span><span class="identifier-syntax">key</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">heading</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Localisation::read</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">path</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Str::clear</span><span class="plain-syntax">(</span><span class="identifier-syntax">path</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">path</span><span class="plain-syntax">, </span><span class="string-syntax">"Index.Pages.%S.Caption"</span><span class="plain-syntax">, </span><span class="identifier-syntax">key</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">explanation</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Localisation::read</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">path</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">path</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-ii.html#SP3" class="function-link"><span class="function-syntax">InterpretIndex::register_page</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">col</span><span class="plain-syntax">, </span><span class="identifier-syntax">heading</span><span class="plain-syntax">, </span><span class="identifier-syntax">explanation</span><span class="plain-syntax">, </span><span class="identifier-syntax">key</span><span class="plain-syntax">, </span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="2-ii.html#SP2">&#167;2</a> (twice).</li></ul>
<p class="commentary firstcommentary"><a id="SP2_2" class="paragraph-anchor"></a><b>&#167;2.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Register a new index element</span><span class="named-paragraph-number">2.2</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="reserved-syntax">index_page</span><span class="plain-syntax"> *</span><span class="identifier-syntax">latest</span><span class="plain-syntax"> = </span><a href="1-ia.html#SP7" class="function-link"><span class="function-syntax">Indexing::latest_page</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">latest</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"element without page"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">elt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[0];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">tkey</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">hkey</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">tkey</span><span class="plain-syntax">, </span><span class="string-syntax">"Index.Elements.%S.Title"</span><span class="plain-syntax">, </span><span class="identifier-syntax">elt</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">hkey</span><span class="plain-syntax">, </span><span class="string-syntax">"Index.Elements.%S.Heading"</span><span class="plain-syntax">, </span><span class="identifier-syntax">elt</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ii.html#SP4" class="function-link"><span class="function-syntax">InterpretIndex::register_element</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">elt</span><span class="plain-syntax">, </span><span class="identifier-syntax">latest</span><span class="plain-syntax">, </span><span class="identifier-syntax">Localisation::read</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">tkey</span><span class="plain-syntax">), </span><span class="identifier-syntax">hkey</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">tkey</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">hkey</span><span class="plain-syntax">)</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="2-ii.html#SP2">&#167;2</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP1_2" class="paragraph-anchor"></a><b>&#167;1.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Actually generate the index files</span><span class="named-paragraph-number">1.2</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="reserved-syntax">index_page</span><span class="plain-syntax"> *</span><span class="identifier-syntax">page</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><a href="1-ia.html#SP7" class="function-link"><span class="function-syntax">Indexing::get_list_of_pages</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">page</span><span class="plain-syntax">, </span><span class="reserved-syntax">index_page</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">leafname</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">leafname</span><span class="plain-syntax">, </span><span class="string-syntax">"%S.html"</span><span class="plain-syntax">, </span><span class="identifier-syntax">page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">page_leafname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">key</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">key</span><span class="plain-syntax">, </span><span class="string-syntax">"Index.Pages.%S.Title"</span><span class="plain-syntax">, </span><span class="identifier-syntax">page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">page_leafname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> </span><span class="identifier-syntax">index_file_struct</span><span class="plain-syntax">; </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = &amp;</span><span class="identifier-syntax">index_file_struct</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-ii.html#SP5" class="function-link"><span class="function-syntax">InterpretIndex::open_file</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">page</span><span class="plain-syntax">, </span><span class="identifier-syntax">leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">Localisation::read</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">key</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> -1, </span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-tpt.html#SP2" class="function-link"><span class="function-syntax">Elements::periodic_table</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">page</span><span class="plain-syntax">, </span><span class="identifier-syntax">leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ii.html#SP6" class="function-link"><span class="function-syntax">InterpretIndex::close_index_file</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">key</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">leafname</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="3-ge2.html#SP2" class="function-link"><span class="function-syntax">GroupedElement::detail_pages</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="2-ii.html#SP1">&#167;1</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. Registering. </b>So, then, here are the objects representing the index pages and their elements
of content:
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">index_page</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_elements</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">key_colour</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">page_title</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">page_explanation</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">page_leafname</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">elements</span><span class="plain-syntax">; </span><span class="comment-syntax"> of </span><span class="extract"><span class="extract-syntax">index_element</span></span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *</span><span class="identifier-syntax">for_session</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">index_page</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">index_page</span><span class="plain-syntax"> *</span><span class="function-syntax">InterpretIndex::register_page</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">InterpretIndex::register_page</span></span>:<br/><a href="2-ii.html#SP2_1">&#167;2.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">col</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">title</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">exp</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">leaf</span><span class="plain-syntax">, </span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *</span><span class="identifier-syntax">session</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">index_page</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_page</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">index_page</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_elements</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">key_colour</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">col</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">page_title</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">title</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">page_explanation</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">exp</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">page_leafname</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">leaf</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">elements</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NEW_LINKED_LIST</span><span class="plain-syntax">(</span><span class="reserved-syntax">index_element</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">for_session</span><span class="plain-syntax"> = </span><span class="identifier-syntax">session</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="1-ia.html#SP7" class="function-link"><span class="function-syntax">Indexing::add_page</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">, </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">new_page</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure index_page is accessed in 2/sas, 3/tpt, 4/sm and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">index_element</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">atomic_number</span><span class="plain-syntax">; </span><span class="comment-syntax"> 1, 2, 3, ..., within its page</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">chemical_symbol</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">element_name</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">explanation_key</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">index_page</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owning_page</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">index_element</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">index_element</span><span class="plain-syntax"> *</span><span class="function-syntax">InterpretIndex::register_element</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">InterpretIndex::register_element</span></span>:<br/><a href="2-ii.html#SP2_2">&#167;2.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">abb</span><span class="plain-syntax">, </span><span class="reserved-syntax">index_page</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owner</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">title</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">explanation</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">owner</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"template creates index elements improperly"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">abb</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">2</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"abbreviation for index element too long"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">index_element</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ie</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">index_element</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ie</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">owning_page</span><span class="plain-syntax"> = </span><span class="identifier-syntax">owner</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ie</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">atomic_number</span><span class="plain-syntax"> = ++(</span><span class="identifier-syntax">owner</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_elements</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ie</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">chemical_symbol</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">abb</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ie</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">element_name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">title</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ie</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">explanation_key</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">explanation</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">ie</span><span class="plain-syntax">, </span><span class="reserved-syntax">index_element</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">elements</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ie</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure index_element is accessed in 2/sas, 3/tpt and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5. Opening and closing HTML files. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="function-syntax">InterpretIndex::open_file</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">InterpretIndex::open_file</span></span>:<br/><a href="2-ii.html#SP1_2">&#167;1.2</a><br/>Grouped Element - <a href="3-ge2.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IF</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">index_page</span><span class="plain-syntax"> *</span><span class="identifier-syntax">page</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">index_leaf</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">title</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">sub</span><span class="plain-syntax">, </span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *</span><span class="identifier-syntax">session</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">filename</span><span class="plain-syntax"> *</span><span class="identifier-syntax">F</span><span class="plain-syntax"> = </span><a href="2-il.html#SP3" class="function-link"><span class="function-syntax">IndexLocations::filename</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">index_leaf</span><span class="plain-syntax">, </span><span class="identifier-syntax">sub</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">STREAM_OPEN_TO_FILE</span><span class="plain-syntax">(</span><span class="identifier-syntax">IF</span><span class="plain-syntax">, </span><span class="identifier-syntax">F</span><span class="plain-syntax">, </span><span class="identifier-syntax">UTF8_ENC</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> #</span><span class="identifier-syntax">ifdef</span><span class="plain-syntax"> </span><span class="identifier-syntax">CORE_MODULE</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::fatal_on_file</span><span class="plain-syntax">(</span><span class="string-syntax">"Can't open index file"</span><span class="plain-syntax">, </span><span class="identifier-syntax">F</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> #</span><span class="identifier-syntax">endif</span>
<span class="plain-syntax"> #</span><span class="identifier-syntax">ifndef</span><span class="plain-syntax"> </span><span class="identifier-syntax">CORE_MODULE</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Errors::fatal_with_file</span><span class="plain-syntax">(</span><span class="string-syntax">"can't open index file"</span><span class="plain-syntax">, </span><span class="identifier-syntax">F</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> #</span><span class="identifier-syntax">endif</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML::header</span><span class="plain-syntax">(</span><span class="identifier-syntax">IF</span><span class="plain-syntax">, </span><span class="identifier-syntax">title</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">InstalledFiles::filename</span><span class="plain-syntax">(</span><span class="identifier-syntax">CSS_FOR_STANDARD_PAGES_IRES</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">InstalledFiles::filename</span><span class="plain-syntax">(</span><span class="identifier-syntax">JAVASCRIPT_FOR_STANDARD_PAGES_IRES</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> (</span><span class="reserved-syntax">void</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">page</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-iu.html#SP13" class="function-link"><span class="function-syntax">IndexUtilities::clear_page_data</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">IF</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>&#167;6. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">InterpretIndex::close_index_file</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">InterpretIndex::close_index_file</span></span>:<br/><a href="2-ii.html#SP1_2">&#167;1.2</a><br/>Grouped Element - <a href="3-ge2.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ifl</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML::footer</span><span class="plain-syntax">(</span><span class="identifier-syntax">ifl</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">STREAM_CLOSE</span><span class="plain-syntax">(</span><span class="identifier-syntax">ifl</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<nav role="progress"><div class="progresscontainer">
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