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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>4/cl</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en-gb">
<link href="inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
</head>
<body>
<!--Weave of '4/cm' generated by 7-->
<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">indoc 4</a></li><li><a href="index.html#4">Chapter 4: Navigation Styles</a></li><li><b>Codename Midnight</b></li></ul><p class="purpose">The "midnight" style of navigational gadgets.</p>
<ul class="toc"><li><a href="#SP1">&#167;1. Creation</a></li><li><a href="#SP2">&#167;2. Top</a></li><li><a href="#SP3">&#167;3. Index top</a></li><li><a href="#SP4">&#167;4. Middle</a></li><li><a href="#SP5">&#167;5. Bottom</a></li><li><a href="#SP6">&#167;6. Banners</a></li><li><a href="#SP8">&#167;8. Contents page</a></li></ul><hr class="tocbar">
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. Creation. </b></p>
<pre class="display">
<span class="reserved">navigation_design</span><span class="plain"> *</span><span class="functiontext">Midnight::create</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">ND</span><span class="plain"> = </span><span class="functiontext">Nav::new</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"midnight"</span><span class="plain">, </span><span class="constant">FALSE</span><span class="plain">, </span><span class="constant">FALSE</span><span class="plain">);</span>
<span class="identifier">ND</span><span class="plain">-</span><span class="element">&gt;columnar</span><span class="plain"> = </span><span class="constant">TRUE</span><span class="plain">;</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_SECTION_TITLE_MTID</span><span class="plain">, </span><span class="functiontext">Midnight::midnight_section_title</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_INDEX_TOP_MTID</span><span class="plain">, </span><span class="functiontext">Midnight::midnight_navigation_index_top</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_NAV_MIDDLE_MTID</span><span class="plain">, </span><span class="functiontext">Midnight::midnight_navigation_middle</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_NAV_BOTTOM_MTID</span><span class="plain">, </span><span class="functiontext">Midnight::midnight_navigation_bottom</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_CONTENTS_MTID</span><span class="plain">, </span><span class="functiontext">Midnight::midnight_navigation_contents_files</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_CONTENTS_HEADING_MTID</span><span class="plain">, </span><span class="functiontext">Midnight::midnight_navigation_contents_heading</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">ND</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::create is used in 4/nd (<a href="4-nd.html#SP1">&#167;1</a>).</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. Top. </b>At the front end of a section, before any of its text.
</p>
<p class="inwebparagraph">Midnight doesn't have volume or chapter titles as such, since the banner
heading includes these anyway.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_section_title</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">, </span><span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">, </span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;begins_which_chapter</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">comment</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">comment</span><span class="plain">, </span><span class="string">"START IGNORE %d"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;number_within_volume</span><span class="plain">);</span>
<span class="functiontext">HTML::comment</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">comment</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">comment</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="functiontext">HTML::begin_div_with_class_S</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"bookheader"</span><span class="plain">);</span>
<span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">linkleft</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">linkright</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
&lt;<span class="cwebmacro">Work out URLs for the preceding and following sections</span> <span class="cwebmacronumber">2.1</span>&gt;<span class="plain">;</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">leaf</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">leaf</span><span class="plain">, </span><span class="string">"%S.html"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_leafname</span><span class="plain">);</span>
<span class="functiontext">Midnight::midnight_banner</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">,</span>
<span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;in_which_chapter</span><span class="plain">-</span><span class="element">&gt;chapter_full_title</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">, </span><span class="identifier">leaf</span><span class="plain">, </span><span class="identifier">linkleft</span><span class="plain">, </span><span class="identifier">linkright</span><span class="plain">);</span>
<span class="functiontext">HTML::end_div</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;begins_which_chapter</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="functiontext">HTML::comment</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"END IGNORE"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">sectionheading\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_anchor</span><span class="plain">) &gt; 0) </span><span class="functiontext">HTML::anchor</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_anchor</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%c%S"</span><span class="plain">, </span><span class="constant">SECTION_SYMBOL</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::midnight_section_title is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP2_1"></a><b>&#167;2.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Work out URLs for the preceding and following sections</span> <span class="cwebmacronumber">2.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;previous_section</span><span class="plain">) </span><span class="identifier">linkleft</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;previous_section</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;next_section</span><span class="plain">) </span><span class="identifier">linkright</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;next_section</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">;</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP2">&#167;2</a>.</p>
<p class="inwebparagraph"><a id="SP3"></a><b>&#167;3. Index top. </b>And this is a variant for index pages, such as the index of examples.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_navigation_index_top</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="reserved">filename</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">title</span><span class="plain">) {</span>
<span class="functiontext">Midnight::midnight_banner</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">title</span><span class="plain">, 0, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::midnight_navigation_index_top is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP4"></a><b>&#167;4. Middle. </b>At the middle part, when the text is over, but before any example cues.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_navigation_middle</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">, </span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">) {</span>
<span class="functiontext">HTMLUtilities::ruled_line</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::midnight_navigation_middle is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP5"></a><b>&#167;5. Bottom. </b>At the end of the section, after any example cues and perhaps also example
bodied. (In a section with no examples, this immediately follows the middle.)
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_navigation_bottom</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">, </span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">) {</span>
<span class="functiontext">HTML::begin_div_with_class_S</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"bookfooter"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">fullwidth\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">footerprevious\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;previous_section</span><span class="plain">)</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"footerlink"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;previous_section</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Previous"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">footercontents\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">, </span><span class="string">"%S.html"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_leafname</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"footerlink"</span><span class="plain">, </span><span class="identifier">url</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Contents"</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">footernext\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;next_section</span><span class="plain">)</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"footerlink"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;next_section</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Next"</span><span class="plain">);</span>
<span class="reserved">else</span><span class="plain"> {</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">footernonlink\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"End"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">);</span>
<span class="functiontext">HTML::end_div</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::midnight_navigation_bottom is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP6"></a><b>&#167;6. Banners. </b>These are the black, status-line-like banners with navigation icons at the
top of every Midnight page.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_banner</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">title</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">,</span>
<span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">linkcentre</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">linkleft</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">linkright</span><span class="plain">) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">, </span><span class="string">"%S.html"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_leafname</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">fullwidth midnightblack\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightbannerleftcell\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">linkleft</span><span class="plain">) &gt; 0) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::image_with_id</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Hookleft.png"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"hookleft"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">linkleft</span><span class="plain">, </span><span class="identifier">img</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightbannercentrecell\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">linkcentre</span><span class="plain">) &gt; 0) </span><span class="functiontext">HTML::begin_link_with_class</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">url</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightbannertext\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">linkcentre</span><span class="plain">) &gt; 0) </span><span class="functiontext">HTML::end_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightbannerrightcell\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::image_with_id</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Hookup.png"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"hookup"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">url</span><span class="plain">, </span><span class="identifier">img</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">linkright</span><span class="plain">) &gt; 0) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::image_with_id</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Hookright.png"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"hookright"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">linkright</span><span class="plain">, </span><span class="identifier">img</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::midnight_banner is used in <a href="#SP2">&#167;2</a>, <a href="#SP3">&#167;3</a>.</p>
<p class="inwebparagraph"><a id="SP7"></a><b>&#167;7. </b>And this is a similar design motif used in Midnight contents pages: see below.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_contents_column_banner</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">title</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">extra</span><span class="plain">) {</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">fullwidth midnightblack\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightbannerleftcell\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">extra</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightbannercentrecell\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightbannertext\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::midnight_contents_column_banner is used in <a href="#SP9_3_2">&#167;9.3.2</a>, <a href="#SP9_4">&#167;9.4</a>.</p>
<p class="inwebparagraph"><a id="SP8"></a><b>&#167;8. Contents page. </b>Midnight provides a contents page of its very own.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_navigation_contents_files</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">) {</span>
<span class="functiontext">Midnight::write_contents_page</span><span class="plain">(</span><span class="identifier">self</span><span class="plain">, </span><span class="identifier">volumes</span><span class="plain">[0]);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::midnight_navigation_contents_heading</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">) {</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"\</span><span class="plain">n</span><span class="string">\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">fullwidth\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::midnight_navigation_contents_files is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Midnight::midnight_navigation_contents_heading is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP9"></a><b>&#167;9. </b>Contents pages are only produced in some styles, and they're really index
pages of links. In light mode, we get just a simple listing of the contents of
the current volume; in heavy mode, it's a two-column table, with the contents
of each volume side by side.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::write_contents_page</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">, </span><span class="string">"%S%S.html"</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;vol_prefix</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_leafname</span><span class="plain">);</span>
<span class="reserved">filename</span><span class="plain"> *</span><span class="identifier">F</span><span class="plain"> = </span><span class="functiontext">Filenames::in_folder</span><span class="plain">(</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;destination</span><span class="plain">, </span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="reserved">text_stream</span><span class="plain"> </span><span class="identifier">C_struct</span><span class="plain">;</span>
<span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain"> = &amp;</span><span class="identifier">C_struct</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Streams::open_to_file</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">, </span><span class="constant">UTF8_ENC</span><span class="plain">) == </span><span class="constant">FALSE</span><span class="plain">)</span>
<span class="functiontext">Errors::fatal_with_file</span><span class="plain">(</span><span class="string">"can't write contents file"</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;wrapper</span><span class="plain"> == </span><span class="constant">WRAPPER_epub</span><span class="plain">)</span>
<span class="functiontext">Epub::note_page</span><span class="plain">(</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;ebook</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Contents"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"toc"</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">title</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">title</span><span class="plain">, </span><span class="string">"Contents"</span><span class="plain">);</span>
&lt;<span class="cwebmacro">Begin the HTML page for the contents</span> <span class="cwebmacronumber">9.1</span>&gt;<span class="plain">;</span>
<span class="functiontext">Nav::navigation_contents_heading</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">);</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">column</span><span class="plain"> = 0; </span><span class="identifier">column</span><span class="plain"> &lt; </span><span class="identifier">no_volumes</span><span class="plain">; </span><span class="identifier">column</span><span class="plain">++)</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">column</span><span class="plain"> == </span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;allocation_id</span><span class="plain">) || (</span><span class="identifier">self</span><span class="plain">-</span><span class="element">&gt;columnar</span><span class="plain">))</span>
&lt;<span class="cwebmacro">Render this column of the contents</span> <span class="cwebmacronumber">9.3</span>&gt;<span class="plain">;</span>
&lt;<span class="cwebmacro">Render any tailpiece at the foot of the contents</span> <span class="cwebmacronumber">9.4</span>&gt;<span class="plain">;</span>
&lt;<span class="cwebmacro">End the HTML page for the contents</span> <span class="cwebmacronumber">9.2</span>&gt;<span class="plain">;</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">title</span><span class="plain">);</span>
<span class="functiontext">Streams::close</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::write_contents_page is used in <a href="#SP8">&#167;8</a>, 4/ca (<a href="4-ca.html#SP8">&#167;8</a>), 4/ct (<a href="4-ct.html#SP7">&#167;7</a>).</p>
<p class="inwebparagraph"><a id="SP9_1"></a><b>&#167;9.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Begin the HTML page for the contents</span> <span class="cwebmacronumber">9.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">xxx</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::get_tt_matter</span><span class="plain">(</span><span class="identifier">xxx</span><span class="plain">, 1, 1);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">xxx</span><span class="plain">) &gt; 0) {</span>
<span class="functiontext">Regexp::replace</span><span class="plain">(</span><span class="identifier">xxx</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"%[SUBHEADING%]"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, 0);</span>
<span class="identifier">wchar_t</span><span class="plain"> </span><span class="identifier">replacement</span><span class="plain">[1024];</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">rep</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">rep</span><span class="plain">, </span><span class="string">"&lt;title&gt;%S&lt;/title&gt;"</span><span class="plain">, </span><span class="identifier">title</span><span class="plain">);</span>
<span class="functiontext">Str::copy_to_wide_string</span><span class="plain">(</span><span class="identifier">replacement</span><span class="plain">, </span><span class="identifier">rep</span><span class="plain">, 1024);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">rep</span><span class="plain">);</span>
<span class="functiontext">Regexp::replace</span><span class="plain">(</span><span class="identifier">xxx</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"&lt;title&gt;%c*&lt;/title&gt;"</span><span class="plain">, </span><span class="identifier">replacement</span><span class="plain">, </span><span class="constant">REP_REPEATING</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">xxx</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="functiontext">HTMLUtilities::begin_file</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">volumes</span><span class="plain">[0]);</span>
<span class="functiontext">HTMLUtilities::write_title</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">title</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;javascript</span><span class="plain">) {</span>
<span class="functiontext">HTML::open_javascript</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="constant">FALSE</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::write_javascript_for_buttons</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::write_javascript_for_contents_buttons</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="functiontext">HTML::close_javascript</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="functiontext">HTML::end_head</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="functiontext">HTML::begin_body</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">self</span><span class="plain">-</span><span class="element">&gt;contents_body_class</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">xxx</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9">&#167;9</a>.</p>
<p class="inwebparagraph"><a id="SP9_2"></a><b>&#167;9.2. </b><code class="display">
&lt;<span class="cwebmacrodefn">End the HTML page for the contents</span> <span class="cwebmacronumber">9.2</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">tail</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::get_tt_matter</span><span class="plain">(</span><span class="identifier">tail</span><span class="plain">, 1, 0);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">tail</span><span class="plain">) &gt; 0) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">tail</span><span class="plain">);</span>
<span class="reserved">else</span><span class="plain"> </span><span class="functiontext">HTML::end_body</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">tail</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9">&#167;9</a>.</p>
<p class="inwebparagraph"><a id="SP9_3"></a><b>&#167;9.3. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render this column of the contents</span> <span class="cwebmacronumber">9.3</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">self</span><span class="plain">-</span><span class="element">&gt;columnar</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_volumes</span><span class="plain"> == 1) </span><span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">)</span>
<span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">column</span><span class="plain"> == 0) </span><span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightlefthalfpage\</span><span class="plain">"</span><span class="string">"</span><span class="plain">)</span>
<span class="reserved">else</span><span class="plain"> </span><span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightrighthalfpage\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
&lt;<span class="cwebmacro">Render a heavyweight column of links</span> <span class="cwebmacronumber">9.3.2</span>&gt;<span class="plain">;</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> </span>&lt;<span class="cwebmacro">Render a lightweight list of simple links</span> <span class="cwebmacronumber">9.3.1</span>&gt;<span class="plain">;</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9">&#167;9</a>.</p>
<p class="inwebparagraph"><a id="SP9_3_1"></a><b>&#167;9.3.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render a lightweight list of simple links</span> <span class="cwebmacronumber">9.3.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">volumes</span><span class="plain">[</span><span class="identifier">column</span><span class="plain">]-</span><span class="element">&gt;sections</span><span class="plain">[0]; </span><span class="identifier">S</span><span class="plain">; </span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;next_section</span><span class="plain">) {</span>
<span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;begins_which_chapter</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">) {</span>
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"h3"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Chapter %d. %S"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_number</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"h3"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">destination</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">destination</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">description</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">description</span><span class="plain">, </span><span class="string">"%S. %S"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;label</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;title</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">destination</span><span class="plain">, </span><span class="identifier">description</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">description</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">destination</span><span class="plain">);</span>
<span class="identifier">HTML_TAG</span><span class="plain">(</span><span class="string">"br"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;html_for_Inform_application</span><span class="plain">)</span>
<span class="functiontext">HTMLUtilities::textual_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;link_to_extensions_index</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Installed Extensions"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::textual_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_alphabetical_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Alphabetical Index of Examples"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::textual_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_numerical_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Numerical Index of Examples"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::textual_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_thematic_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Thematic Index of Examples"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">NUMBER_CREATED</span><span class="plain">(</span><span class="reserved">index_lemma</span><span class="plain">) &gt; 0)</span>
<span class="functiontext">HTMLUtilities::textual_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;definitions_index_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"General Index"</span><span class="plain">);</span>
<span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">OV</span><span class="plain"> = </span><span class="identifier">volumes</span><span class="plain">[0];</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">V</span><span class="plain"> == </span><span class="identifier">volumes</span><span class="plain">[0]) </span><span class="identifier">OV</span><span class="plain"> = </span><span class="identifier">volumes</span><span class="plain">[1];</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">, </span><span class="string">"%Sindex.html"</span><span class="plain">, </span><span class="identifier">OV</span><span class="plain">-</span><span class="element">&gt;vol_prefix</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::textual_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">url</span><span class="plain">, </span><span class="identifier">OV</span><span class="plain">-</span><span class="element">&gt;vol_title</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9_3">&#167;9.3</a>.</p>
<p class="inwebparagraph"><a id="SP9_3_2"></a><b>&#167;9.3.2. </b>This is almost as simple, but now the lines linking to sections within a
chapter are grouped into a <code class="display"><span class="extract">&lt;div&gt;</span></code> for that chapter, which can be hidden
or revealed &mdash; it contains "extra" material, as we put it.
</p>
<p class="inwebparagraph">We assume here that there are fewer than 1000 chapters in each volume;
there are in practice about 25.
</p>
<p class="macrodefinition"><code class="display">
&lt;<span class="cwebmacrodefn">Render a heavyweight column of links</span> <span class="cwebmacronumber">9.3.2</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">X</span><span class="plain"> = </span><span class="identifier">V</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">column</span><span class="plain"> == 1) </span><span class="identifier">X</span><span class="plain"> = </span><span class="identifier">volumes</span><span class="plain">[1-</span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;allocation_id</span><span class="plain">];</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">extra</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_expandable</span><span class="plain">) </span><span class="functiontext">HTMLUtilities::all_extras_link</span><span class="plain">(</span><span class="identifier">extra</span><span class="plain">, </span><span class="identifier">X</span><span class="plain">-</span><span class="element">&gt;vol_abbrev</span><span class="plain">);</span>
<span class="functiontext">Midnight::midnight_contents_column_banner</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">X</span><span class="plain">-</span><span class="element">&gt;vol_title</span><span class="plain">, </span><span class="identifier">X</span><span class="plain">, </span><span class="identifier">extra</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">extra</span><span class="plain">);</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">extra_count</span><span class="plain"> = 0;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">volumes</span><span class="plain">[</span><span class="identifier">column</span><span class="plain">]-</span><span class="element">&gt;sections</span><span class="plain">[0]; </span><span class="identifier">S</span><span class="plain">; </span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;next_section</span><span class="plain">) {</span>
<span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;begins_which_chapter</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">extra_count</span><span class="plain"> &gt; 0) &amp;&amp; (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_expandable</span><span class="plain">)) {</span>
<span class="functiontext">HTML::end_div</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
&lt;<span class="cwebmacro">Render a chapter link</span> <span class="cwebmacronumber">9.3.2.1</span>&gt;<span class="plain">;</span>
<span class="plain">}</span>
&lt;<span class="cwebmacro">Render a section link</span> <span class="cwebmacronumber">9.3.2.2</span>&gt;<span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">extra_count</span><span class="plain"> &gt; 0) &amp;&amp; (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_expandable</span><span class="plain">)) {</span>
<span class="functiontext">HTML::end_div</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">column</span><span class="plain"> == </span><span class="identifier">no_volumes</span><span class="plain"> - 1) &amp;&amp;</span>
<span class="plain">(</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;html_for_Inform_application</span><span class="plain"> == </span><span class="constant">FALSE</span><span class="plain">) &amp;&amp;</span>
<span class="plain">(</span><span class="identifier">no_examples</span><span class="plain"> &gt; 0)) {</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightcontentsA\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"&lt;i&gt;Index&lt;/i&gt;"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
&lt;<span class="cwebmacro">Render links to example indexes</span> <span class="cwebmacronumber">9.3.2.3</span>&gt;<span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;html_for_Inform_application</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">column</span><span class="plain"> == 0) {</span>
<span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_numerical_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Numerical Index of Examples"</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_thematic_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Thematic Index of Examples"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9_3">&#167;9.3</a>.</p>
<p class="inwebparagraph"><a id="SP9_3_2_1"></a><b>&#167;9.3.2.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render a chapter link</span> <span class="cwebmacronumber">9.3.2.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">id</span><span class="plain"> = </span><span class="identifier">column</span><span class="plain">*1000 + </span><span class="identifier">extra_count</span><span class="plain">++;</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightcontentsA\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_expandable</span><span class="plain">) </span><span class="functiontext">HTMLUtilities::extra_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">id</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">thetitle</span><span class="plain">);</span>
<span class="functiontext">Str::copy</span><span class="plain">(</span><span class="identifier">thetitle</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_title</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">theprefix</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_volumes</span><span class="plain"> == 1) </span><span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">theprefix</span><span class="plain">, </span><span class="string">"&lt;b&gt;Chapter %d&lt;/b&gt;"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_number</span><span class="plain">);</span>
<span class="reserved">else</span><span class="plain"> </span><span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">theprefix</span><span class="plain">, </span><span class="string">"&lt;b&gt;%d&lt;/b&gt;"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_number</span><span class="plain">);</span>
<span class="reserved">match_results</span><span class="plain"> </span><span class="identifier">mr</span><span class="plain"> = </span><span class="functiontext">Regexp::create_mr</span><span class="plain">();</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">, </span><span class="identifier">thetitle</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"Appendix: (%c*)"</span><span class="plain">)) {</span>
<span class="functiontext">Str::clear</span><span class="plain">(</span><span class="identifier">theprefix</span><span class="plain">); </span><span class="functiontext">Str::copy</span><span class="plain">(</span><span class="identifier">theprefix</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Appendix"</span><span class="plain">);</span>
<span class="functiontext">Str::clear</span><span class="plain">(</span><span class="identifier">thetitle</span><span class="plain">); </span><span class="functiontext">Str::copy</span><span class="plain">(</span><span class="identifier">thetitle</span><span class="plain">, </span><span class="identifier">mr</span><span class="element">.exp</span><span class="plain">[0]);</span>
<span class="plain">}</span>
<span class="functiontext">Regexp::dispose_of</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">, </span><span class="string">"%S.&amp;#160;%S"</span><span class="plain">, </span><span class="identifier">theprefix</span><span class="plain">, </span><span class="identifier">thetitle</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">, </span><span class="identifier">txt</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;contents_expandable</span><span class="plain">) </span><span class="functiontext">HTMLUtilities::extra_div_open</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">id</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">theprefix</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">thetitle</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9_3_2">&#167;9.3.2</a>.</p>
<p class="inwebparagraph"><a id="SP9_3_2_2"></a><b>&#167;9.3.2.2. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render a section link</span> <span class="cwebmacronumber">9.3.2.2</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">, </span><span class="string">"%c%S"</span><span class="plain">, </span><span class="constant">SECTION_SYMBOL</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;title</span><span class="plain">);</span>
<span class="functiontext">Midnight::mc_link_B</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">, </span><span class="identifier">txt</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9_3_2">&#167;9.3.2</a>.</p>
<p class="inwebparagraph"><a id="SP9_4"></a><b>&#167;9.4. </b>In Midnight mode, this is where the extra indexes are listed in the contents:
some in the left-hand (WWI) column, others in the right-hand (RB). This is
done with a second row of the table whose first row contains the chapter
contents cells.
</p>
<p class="macrodefinition"><code class="display">
&lt;<span class="cwebmacrodefn">Render any tailpiece at the foot of the contents</span> <span class="cwebmacronumber">9.4</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">self</span><span class="plain">-</span><span class="element">&gt;columnar</span><span class="plain">) {</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;assume_Public_Library</span><span class="plain"> == </span><span class="constant">FALSE</span><span class="plain">) &amp;&amp; (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;html_for_Inform_application</span><span class="plain">)) {</span>
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightlefthalfpage\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="functiontext">Midnight::midnight_contents_column_banner</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Extensions"</span><span class="plain">, </span><span class="identifier">volumes</span><span class="plain">[0], </span><span class="identifier">NULL</span><span class="plain">);</span>
<span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;link_to_extensions_index</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Installed Extensions"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightcontentsA\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"&lt;i&gt;for more extensions, visit:&lt;/i&gt;"</span><span class="plain">);</span>
<span class="identifier">HTML_TAG</span><span class="plain">(</span><span class="string">"br"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"&lt;b&gt;www.inform7.com&lt;/b&gt;"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightrighthalfpage\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_examples</span><span class="plain"> &gt; 0) {</span>
<span class="functiontext">Midnight::midnight_contents_column_banner</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Indexes"</span><span class="plain">, </span><span class="identifier">volumes</span><span class="plain">[1], </span><span class="identifier">NULL</span><span class="plain">);</span>
&lt;<span class="cwebmacro">Render links to example indexes</span> <span class="cwebmacronumber">9.3.2.3</span>&gt;<span class="plain">;</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="functiontext">Midnight::midnight_contents_column_banner</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">volumes</span><span class="plain">[1], </span><span class="identifier">NULL</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">NUMBER_CREATED</span><span class="plain">(</span><span class="reserved">index_lemma</span><span class="plain">) &gt; 0) {</span>
<span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;definitions_index_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"General Index"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9">&#167;9</a>.</p>
<p class="inwebparagraph"><a id="SP9_3_2_3"></a><b>&#167;9.3.2.3. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render links to example indexes</span> <span class="cwebmacronumber">9.3.2.3</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_alphabetical_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Alphabetical Index of Examples"</span><span class="plain">);</span>
<span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_numerical_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Numerical Index of Examples"</span><span class="plain">);</span>
<span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">&gt;examples_thematic_leafname</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Thematic Index of Examples"</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP9_3_2">&#167;9.3.2</a>, <a href="#SP9_4">&#167;9.4</a>.</p>
<p class="inwebparagraph"><a id="SP10"></a><b>&#167;10. </b>And here are the level A and B contents entry link paragraphs:
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::mc_link_A</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">to</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">text</span><span class="plain">) {</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightcontentsA\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">to</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Midnight::mc_link_B</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">to</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">text</span><span class="plain">) {</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">midnightcontentsB\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="functiontext">HTMLUtilities::general_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">to</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Midnight::mc_link_A is used in <a href="#SP9_3_2">&#167;9.3.2</a>, <a href="#SP9_4">&#167;9.4</a>, <a href="#SP9_3_2_3">&#167;9.3.2.3</a>.</p>
<p class="endnote">The function Midnight::mc_link_B is used in <a href="#SP9_3_2_2">&#167;9.3.2.2</a>.</p>
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