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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>Codename Midnight</title>
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<script>
function togglePopup(material_id) {
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popup.classList.toggle("show");
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<main role="main">
<!--Weave of 'Codename Midnight' generated by Inweb-->
<div class="breadcrumbs">
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="index.html">indoc</a></li><li><a href="index.html#4">Chapter 4: Navigation Styles</a></li><li><b>Codename Midnight</b></li></ul></div>
<p class="purpose">The "midnight" style of navigational gadgets.</p>
<ul class="toc"><li><a href="4-cm.html#SP1">&#167;1. Creation</a></li><li><a href="4-cm.html#SP2">&#167;2. Top</a></li><li><a href="4-cm.html#SP3">&#167;3. Index top</a></li><li><a href="4-cm.html#SP4">&#167;4. Middle</a></li><li><a href="4-cm.html#SP5">&#167;5. Bottom</a></li><li><a href="4-cm.html#SP6">&#167;6. Banners</a></li><li><a href="4-cm.html#SP8">&#167;8. Contents page</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. Creation. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="function-syntax">Midnight::create</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">Midnight::create</span></span>:<br/>Navigational Designs - <a href="4-nd.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ND</span><span class="plain-syntax"> = </span><a href="4-nd.html#SP1" class="function-link"><span class="function-syntax">Nav::new</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"midnight"</span><span class="plain-syntax">, </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">, </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ND</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">columnar</span><span class="plain-syntax"> = </span><span class="constant-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">ND</span><span class="plain-syntax">, </span><span class="constant-syntax">RENDER_SECTION_TITLE_MTID</span><span class="plain-syntax">, </span><a href="4-cm.html#SP2" class="function-link"><span class="function-syntax">Midnight::midnight_section_title</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">ND</span><span class="plain-syntax">, </span><span class="constant-syntax">RENDER_INDEX_TOP_MTID</span><span class="plain-syntax">, </span><a href="4-cm.html#SP3" class="function-link"><span class="function-syntax">Midnight::midnight_navigation_index_top</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">ND</span><span class="plain-syntax">, </span><span class="constant-syntax">RENDER_NAV_MIDDLE_MTID</span><span class="plain-syntax">, </span><a href="4-cm.html#SP4" class="function-link"><span class="function-syntax">Midnight::midnight_navigation_middle</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">ND</span><span class="plain-syntax">, </span><span class="constant-syntax">RENDER_NAV_BOTTOM_MTID</span><span class="plain-syntax">, </span><a href="4-cm.html#SP5" class="function-link"><span class="function-syntax">Midnight::midnight_navigation_bottom</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">ND</span><span class="plain-syntax">, </span><span class="constant-syntax">RENDER_CONTENTS_MTID</span><span class="plain-syntax">, </span><a href="4-cm.html#SP8" class="function-link"><span class="function-syntax">Midnight::midnight_navigation_contents_files</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">ND</span><span class="plain-syntax">, </span><span class="constant-syntax">RENDER_CONTENTS_HEADING_MTID</span><span class="plain-syntax">, </span><a href="4-cm.html#SP8" class="function-link"><span class="function-syntax">Midnight::midnight_navigation_contents_heading</span></a><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">ND</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. Top. </b>At the front end of a section, before any of its text.
</p>
<p class="commentary">Midnight doesn't have volume or chapter titles as such, since the banner
heading includes these anyway.
</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">Midnight::midnight_section_title</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">Midnight::midnight_section_title</span></span>:<br/><a href="4-cm.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax">, </span><span class="reserved-syntax">chapter</span><span class="plain-syntax"> *</span><span class="identifier-syntax">C</span><span class="plain-syntax">, </span><span class="reserved-syntax">section</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</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">S</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">begins_which_chapter</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">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">comment</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">comment</span><span class="plain-syntax">, </span><span class="string-syntax">"START IGNORE %d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">number_within_volume</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP22" class="function-link"><span class="function-syntax">HTML::comment</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">comment</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">comment</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP14" class="function-link"><span class="function-syntax">HTML::begin_div_with_class_S</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"bookheader"</span><span class="plain-syntax">, </span><span class="identifier-syntax">__FILE__</span><span class="plain-syntax">, </span><span class="identifier-syntax">__LINE__</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">linkleft</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">linkright</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP2_1" class="named-paragraph-link"><span class="named-paragraph">Work out URLs for the preceding and following sections</span><span class="named-paragraph-number">2.1</span></a></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">leaf</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">leaf</span><span class="plain-syntax">, </span><span class="string-syntax">"%S.html"</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_leafname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP6" class="function-link"><span class="function-syntax">Midnight::midnight_banner</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">S</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">in_which_chapter</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">chapter_full_title</span><span class="plain-syntax">, </span><span class="identifier-syntax">V</span><span class="plain-syntax">, </span><span class="identifier-syntax">leaf</span><span class="plain-syntax">, </span><span class="identifier-syntax">linkleft</span><span class="plain-syntax">, </span><span class="identifier-syntax">linkright</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP14" class="function-link"><span class="function-syntax">HTML::end_div</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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">begins_which_chapter</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><a href="../../../inweb/foundation-module/5-htm.html#SP22" class="function-link"><span class="function-syntax">HTML::comment</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"END IGNORE"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"sectionheading\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_anchor</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><a href="../../../inweb/foundation-module/5-htm.html#SP17" class="function-link"><span class="function-syntax">HTML::anchor</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_anchor</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%c%S"</span><span class="plain-syntax">, </span><span class="constant-syntax">SECTION_SYMBOL</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">title</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</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><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Work out URLs for the preceding and following sections</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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">previous_section</span><span class="plain-syntax">) </span><span class="identifier-syntax">linkleft</span><span class="plain-syntax"> = </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">previous_section</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_URL</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">S</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">next_section</span><span class="plain-syntax">) </span><span class="identifier-syntax">linkright</span><span class="plain-syntax"> = </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_section</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_URL</span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP2">&#167;2</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. Index top. </b>And this is a variant for index pages, such as the index of examples.
</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">Midnight::midnight_navigation_index_top</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">Midnight::midnight_navigation_index_top</span></span>:<br/><a href="4-cm.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="reserved-syntax">filename</span><span class="plain-syntax">, </span><span class="reserved-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><a href="4-cm.html#SP6" class="function-link"><span class="function-syntax">Midnight::midnight_banner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">title</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. Middle. </b>At the middle part, when the text is over, but before any example cues.
</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">Midnight::midnight_navigation_middle</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">Midnight::midnight_navigation_middle</span></span>:<br/><a href="4-cm.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax">, </span><span class="reserved-syntax">section</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP11" class="function-link"><span class="function-syntax">HTMLUtilities::ruled_line</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></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="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Midnight::midnight_navigation_bottom</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">Midnight::midnight_navigation_bottom</span></span>:<br/><a href="4-cm.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax">, </span><span class="reserved-syntax">section</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP14" class="function-link"><span class="function-syntax">HTML::begin_div_with_class_S</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"bookfooter"</span><span class="plain-syntax">, </span><span class="identifier-syntax">__FILE__</span><span class="plain-syntax">, </span><span class="identifier-syntax">__LINE__</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"fullwidth\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"footerprevious\""</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">S</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">previous_section</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"footerlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">previous_section</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_URL</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Previous"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"footercontents\""</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">url</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">url</span><span class="plain-syntax">, </span><span class="string-syntax">"%S.html"</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_leafname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"footerlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">url</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Contents"</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">url</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"footernext\""</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">S</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">next_section</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"footerlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_section</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_URL</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Next"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"footernonlink\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"End"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP14" class="function-link"><span class="function-syntax">HTML::end_div</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</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. Banners. </b>These are the black, status-line-like banners with navigation icons at the
top of every Midnight page.
</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">Midnight::midnight_banner</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">Midnight::midnight_banner</span></span>:<br/><a href="4-cm.html#SP2">&#167;2</a>, <a href="4-cm.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="constant-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">title</span><span class="plain-syntax">, </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">linkcentre</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">linkleft</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">linkright</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">url</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">url</span><span class="plain-syntax">, </span><span class="string-syntax">"%S.html"</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_leafname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"fullwidth midnightblack\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightbannerleftcell\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">linkleft</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</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">img</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP12" class="function-link"><span class="function-syntax">HTMLUtilities::image_with_id</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">img</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Hookleft.png"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"hookleft"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">linkleft</span><span class="plain-syntax">, </span><span class="identifier-syntax">img</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">img</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightbannercentrecell\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">linkcentre</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><a href="../../../inweb/foundation-module/5-htm.html#SP17" class="function-link"><span class="function-syntax">HTML::begin_link_with_class</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">url</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightbannertext\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</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">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">linkcentre</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><a href="../../../inweb/foundation-module/5-htm.html#SP17" class="function-link"><span class="function-syntax">HTML::end_link</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">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightbannerrightcell\""</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">img</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP12" class="function-link"><span class="function-syntax">HTMLUtilities::image_with_id</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">img</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Hookup.png"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"hookup"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">url</span><span class="plain-syntax">, </span><span class="identifier-syntax">img</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">img</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">linkright</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</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">img</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP12" class="function-link"><span class="function-syntax">HTMLUtilities::image_with_id</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">img</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Hookright.png"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"hookright"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">linkright</span><span class="plain-syntax">, </span><span class="identifier-syntax">img</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">img</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</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">url</span><span class="plain-syntax">)</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>&#167;7. </b>And this is a similar design motif used in Midnight contents pages: see below.
</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">Midnight::midnight_contents_column_banner</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">Midnight::midnight_contents_column_banner</span></span>:<br/><a href="4-cm.html#SP9_3_2">&#167;9.3.2</a>, <a href="4-cm.html#SP9_4">&#167;9.4</a></span></button><span class="plain-syntax">(</span><span class="constant-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">title</span><span class="plain-syntax">, </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">extra</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"fullwidth midnightblack\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightbannerleftcell\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">extra</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightbannercentrecell\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightbannertext\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</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">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>&#167;8. Contents page. </b>Midnight provides a contents page of its very own.
</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">Midnight::midnight_navigation_contents_files</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">Midnight::midnight_navigation_contents_files</span></span>:<br/><a href="4-cm.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP9" class="function-link"><span class="function-syntax">Midnight::write_contents_page</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[0]);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Midnight::midnight_navigation_contents_heading</span><button class="popup" onclick="togglePopup('usagePopup9')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup9">Usage of <span class="code-font"><span class="function-syntax">Midnight::midnight_navigation_contents_heading</span></span>:<br/><a href="4-cm.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\n\n"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"fullwidth\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></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="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Midnight::write_contents_page</span><button class="popup" onclick="togglePopup('usagePopup10')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup10">Usage of <span class="code-font"><span class="function-syntax">Midnight::write_contents_page</span></span>:<br/><a href="4-cm.html#SP8">&#167;8</a><br/>Codename Architect - <a href="4-ca.html#SP8">&#167;8</a><br/>Codename Twilight - <a href="4-ct.html#SP7">&#167;7</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">navigation_design</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</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%S.html"</span><span class="plain-syntax">, </span><span class="identifier-syntax">V</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">vol_prefix</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_leafname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">filename</span><span class="plain-syntax"> *</span><span class="identifier-syntax">F</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/3-fln.html#SP2" class="function-link"><span class="function-syntax">Filenames::in</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">destination</span><span class="plain-syntax">, </span><span class="identifier-syntax">leafname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> </span><span class="identifier-syntax">C_struct</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-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">C_struct</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/2-str.html#SP24" class="function-link"><span class="function-syntax">Streams::open_to_file</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">F</span><span class="plain-syntax">, </span><span class="constant-syntax">UTF8_ENC</span><span class="plain-syntax">) == </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/3-em.html#SP2" class="function-link"><span class="function-syntax">Errors::fatal_with_file</span></a><span class="plain-syntax">(</span><span class="string-syntax">"can't write contents 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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">wrapper</span><span class="plain-syntax"> == </span><span class="constant-syntax">WRAPPER_epub</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-ee.html#SP5" class="function-link"><span class="function-syntax">Epub::note_page</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ebook</span><span class="plain-syntax">, </span><span class="identifier-syntax">F</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Contents"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"toc"</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">title</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">title</span><span class="plain-syntax">, </span><span class="string-syntax">"Contents"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_1" class="named-paragraph-link"><span class="named-paragraph">Begin the HTML page for the contents</span><span class="named-paragraph-number">9.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="4-nd.html#SP8" class="function-link"><span class="function-syntax">Nav::navigation_contents_heading</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">V</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">column</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="identifier-syntax">column</span><span class="plain-syntax"> &lt; </span><span class="identifier-syntax">no_volumes</span><span class="plain-syntax">; </span><span class="identifier-syntax">column</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">column</span><span class="plain-syntax"> == </span><span class="identifier-syntax">V</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">allocation_id</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">self</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">columnar</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_3" class="named-paragraph-link"><span class="named-paragraph">Render this column of the contents</span><span class="named-paragraph-number">9.3</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_4" class="named-paragraph-link"><span class="named-paragraph">Render any tailpiece at the foot of the contents</span><span class="named-paragraph-number">9.4</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_2" class="named-paragraph-link"><span class="named-paragraph">End the HTML page for the contents</span><span class="named-paragraph-number">9.2</span></a></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">title</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/2-str.html#SP34" class="function-link"><span class="function-syntax">Streams::close</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP9_1" class="paragraph-anchor"></a><b>&#167;9.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Begin the HTML page for the contents</span><span class="named-paragraph-number">9.1</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">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">xxx</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP23" class="function-link"><span class="function-syntax">HTMLUtilities::get_tt_matter</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">xxx</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">xxx</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/4-pm.html#SP14" class="function-link"><span class="function-syntax">Regexp::replace</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">xxx</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"%[SUBHEADING%]"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</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">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">replacement</span><span class="plain-syntax">[1024];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">rep</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">rep</span><span class="plain-syntax">, </span><span class="string-syntax">"&lt;title&gt;%S&lt;/title&gt;"</span><span class="plain-syntax">, </span><span class="identifier-syntax">title</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/4-sm.html#SP6" class="function-link"><span class="function-syntax">Str::copy_to_wide_string</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">replacement</span><span class="plain-syntax">, </span><span class="identifier-syntax">rep</span><span class="plain-syntax">, </span><span class="constant-syntax">1024</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">rep</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/4-pm.html#SP14" class="function-link"><span class="function-syntax">Regexp::replace</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">xxx</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"&lt;title&gt;%c*&lt;/title&gt;"</span><span class="plain-syntax">, </span><span class="identifier-syntax">replacement</span><span class="plain-syntax">, </span><span class="constant-syntax">REP_REPEATING</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">xxx</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP7" class="function-link"><span class="function-syntax">HTMLUtilities::begin_file</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[0]);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP7" class="function-link"><span class="function-syntax">HTMLUtilities::write_title</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">title</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">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">javascript</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP11" class="function-link"><span class="function-syntax">HTML::open_javascript</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP15" class="function-link"><span class="function-syntax">HTMLUtilities::write_javascript_for_buttons</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP17" class="function-link"><span class="function-syntax">HTMLUtilities::write_javascript_for_contents_buttons</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP11" class="function-link"><span class="function-syntax">HTML::close_javascript</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="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP9" class="function-link"><span class="function-syntax">HTML::end_head</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP13" class="function-link"><span class="function-syntax">HTML::begin_body</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">self</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_body_class</span><span class="plain-syntax">);</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">xxx</span><span class="plain-syntax">)</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9">&#167;9</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_2" class="paragraph-anchor"></a><b>&#167;9.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">End the HTML page for the contents</span><span class="named-paragraph-number">9.2</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">tail</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP23" class="function-link"><span class="function-syntax">HTMLUtilities::get_tt_matter</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tail</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tail</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">tail</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP13" class="function-link"><span class="function-syntax">HTML::end_body</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">tail</span><span class="plain-syntax">)</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9">&#167;9</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_3" class="paragraph-anchor"></a><b>&#167;9.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Render this column of the contents</span><span class="named-paragraph-number">9.3</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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">self</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">columnar</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">no_volumes</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</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">column</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightlefthalfpage\""</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightrighthalfpage\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_3_2" class="named-paragraph-link"><span class="named-paragraph">Render a heavyweight column of links</span><span class="named-paragraph-number">9.3.2</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_3_1" class="named-paragraph-link"><span class="named-paragraph">Render a lightweight list of simple links</span><span class="named-paragraph-number">9.3.1</span></a></span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9">&#167;9</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_3_1" class="paragraph-anchor"></a><b>&#167;9.3.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Render a lightweight list of simple links</span><span class="named-paragraph-number">9.3.1</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">section</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[</span><span class="identifier-syntax">column</span><span class="plain-syntax">]-&gt;</span><span class="element-syntax">sections</span><span class="plain-syntax">[0]; </span><span class="identifier-syntax">S</span><span class="plain-syntax">; </span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_section</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">chapter</span><span class="plain-syntax"> *</span><span class="identifier-syntax">C</span><span class="plain-syntax"> = </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">begins_which_chapter</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">C</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"h3"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"Chapter %d. %S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">chapter_number</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">chapter_title</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"h3"</span><span class="plain-syntax">);</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">destination</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">destination</span><span class="plain-syntax">, </span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_URL</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">description</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">description</span><span class="plain-syntax">, </span><span class="string-syntax">"%S. %S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">label</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">title</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">destination</span><span class="plain-syntax">, </span><span class="identifier-syntax">description</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">description</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">destination</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_TAG</span><span class="plain-syntax">(</span><span class="string-syntax">"br"</span><span class="plain-syntax">);</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">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">html_for_Inform_application</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP10" class="function-link"><span class="function-syntax">HTMLUtilities::textual_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">link_to_extensions_index</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Installed Extensions"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP10" class="function-link"><span class="function-syntax">HTMLUtilities::textual_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_alphabetical_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Alphabetical Index of Examples"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP10" class="function-link"><span class="function-syntax">HTMLUtilities::textual_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_numerical_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Numerical Index of Examples"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP10" class="function-link"><span class="function-syntax">HTMLUtilities::textual_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_thematic_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Thematic Index of Examples"</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">NUMBER_CREATED</span><span class="plain-syntax">(</span><span class="reserved-syntax">index_lemma</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP10" class="function-link"><span class="function-syntax">HTMLUtilities::textual_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">definitions_index_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"General Index"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OV</span><span class="plain-syntax"> = </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[0];</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">V</span><span class="plain-syntax"> == </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[0]) </span><span class="identifier-syntax">OV</span><span class="plain-syntax"> = </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[1];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">url</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">url</span><span class="plain-syntax">, </span><span class="string-syntax">"%Sindex.html"</span><span class="plain-syntax">, </span><span class="identifier-syntax">OV</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">vol_prefix</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP10" class="function-link"><span class="function-syntax">HTMLUtilities::textual_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">url</span><span class="plain-syntax">, </span><span class="identifier-syntax">OV</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">vol_title</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">url</span><span class="plain-syntax">)</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9_3">&#167;9.3</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_3_2" class="paragraph-anchor"></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 <span class="extract"><span class="extract-syntax">&lt;div&gt;</span></span> for that chapter, which can be hidden
or revealed &mdash; it contains "extra" material, as we put it.
</p>
<p class="commentary">We assume here that there are fewer than 1000 chapters in each volume;
there are in practice about 25.
</p>
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Render a heavyweight column of links</span><span class="named-paragraph-number">9.3.2</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">volume</span><span class="plain-syntax"> *</span><span class="identifier-syntax">X</span><span class="plain-syntax"> = </span><span class="identifier-syntax">V</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">column</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) </span><span class="identifier-syntax">X</span><span class="plain-syntax"> = </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[1-</span><span class="identifier-syntax">V</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">allocation_id</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">extra</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">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_expandable</span><span class="plain-syntax">) </span><a href="2-haj.html#SP14" class="function-link"><span class="function-syntax">HTMLUtilities::all_extras_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">extra</span><span class="plain-syntax">, </span><span class="identifier-syntax">X</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">vol_abbrev</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP7" class="function-link"><span class="function-syntax">Midnight::midnight_contents_column_banner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">X</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">vol_title</span><span class="plain-syntax">, </span><span class="identifier-syntax">X</span><span class="plain-syntax">, </span><span class="identifier-syntax">extra</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">extra</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">extra_count</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">section</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[</span><span class="identifier-syntax">column</span><span class="plain-syntax">]-&gt;</span><span class="element-syntax">sections</span><span class="plain-syntax">[0]; </span><span class="identifier-syntax">S</span><span class="plain-syntax">; </span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_section</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">chapter</span><span class="plain-syntax"> *</span><span class="identifier-syntax">C</span><span class="plain-syntax"> = </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">begins_which_chapter</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">C</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">extra_count</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_expandable</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP14" class="function-link"><span class="function-syntax">HTML::end_div</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="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_3_2_1" class="named-paragraph-link"><span class="named-paragraph">Render a chapter link</span><span class="named-paragraph-number">9.3.2.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_3_2_2" class="named-paragraph-link"><span class="named-paragraph">Render a section link</span><span class="named-paragraph-number">9.3.2.2</span></a></span><span class="plain-syntax">;</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">extra_count</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_expandable</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/5-htm.html#SP14" class="function-link"><span class="function-syntax">HTML::end_div</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">column</span><span class="plain-syntax"> == </span><span class="identifier-syntax">no_volumes</span><span class="plain-syntax"> - </span><span class="constant-syntax">1</span><span class="plain-syntax">) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">html_for_Inform_application</span><span class="plain-syntax"> == </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">no_examples</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightcontentsA\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"&lt;i&gt;Index&lt;/i&gt;"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_3_2_3" class="named-paragraph-link"><span class="named-paragraph">Render links to example indexes</span><span class="named-paragraph-number">9.3.2.3</span></a></span><span class="plain-syntax">;</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">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">html_for_Inform_application</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">column</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_A</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_numerical_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Numerical Index of Examples"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_A</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_thematic_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Thematic Index of Examples"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\n"</span><span class="plain-syntax">);</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9_3">&#167;9.3</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_3_2_1" class="paragraph-anchor"></a><b>&#167;9.3.2.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Render a chapter link</span><span class="named-paragraph-number">9.3.2.1</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">column</span><span class="plain-syntax">*1000 + </span><span class="identifier-syntax">extra_count</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightcontentsA\""</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">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_expandable</span><span class="plain-syntax">) </span><a href="2-haj.html#SP14" class="function-link"><span class="function-syntax">HTMLUtilities::extra_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</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">thetitle</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/4-sm.html#SP17" class="function-link"><span class="function-syntax">Str::copy</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">thetitle</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">chapter_title</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">theprefix</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">no_volumes</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">theprefix</span><span class="plain-syntax">, </span><span class="string-syntax">"&lt;b&gt;Chapter %d&lt;/b&gt;"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">chapter_number</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">theprefix</span><span class="plain-syntax">, </span><span class="string-syntax">"&lt;b&gt;%d&lt;/b&gt;"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">chapter_number</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">match_results</span><span class="plain-syntax"> </span><span class="identifier-syntax">mr</span><span class="plain-syntax"> = </span><a href="../../../inweb/foundation-module/4-pm.html#SP9" class="function-link"><span class="function-syntax">Regexp::create_mr</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../../../inweb/foundation-module/4-pm.html#SP10" class="function-link"><span class="function-syntax">Regexp::match</span></a><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">mr</span><span class="plain-syntax">, </span><span class="identifier-syntax">thetitle</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"Appendix: (%c*)"</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/4-sm.html#SP15" class="function-link"><span class="function-syntax">Str::clear</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">theprefix</span><span class="plain-syntax">); </span><a href="../../../inweb/foundation-module/4-sm.html#SP17" class="function-link"><span class="function-syntax">Str::copy</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">theprefix</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Appendix"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/4-sm.html#SP15" class="function-link"><span class="function-syntax">Str::clear</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">thetitle</span><span class="plain-syntax">); </span><a href="../../../inweb/foundation-module/4-sm.html#SP17" class="function-link"><span class="function-syntax">Str::copy</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">thetitle</span><span class="plain-syntax">, </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="element-syntax">exp</span><span class="plain-syntax">[0]);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="../../../inweb/foundation-module/4-pm.html#SP9" class="function-link"><span class="function-syntax">Regexp::dispose_of</span></a><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">mr</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">txt</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">txt</span><span class="plain-syntax">, </span><span class="string-syntax">"%S.&amp;#160;%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">theprefix</span><span class="plain-syntax">, </span><span class="identifier-syntax">thetitle</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_URL</span><span class="plain-syntax">, </span><span class="identifier-syntax">txt</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">txt</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</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">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">contents_expandable</span><span class="plain-syntax">) </span><a href="2-haj.html#SP13" class="function-link"><span class="function-syntax">HTMLUtilities::extra_div_open</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</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">theprefix</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">thetitle</span><span class="plain-syntax">)</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9_3_2">&#167;9.3.2</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_3_2_2" class="paragraph-anchor"></a><b>&#167;9.3.2.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Render a section link</span><span class="named-paragraph-number">9.3.2.2</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">txt</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">txt</span><span class="plain-syntax">, </span><span class="string-syntax">"%c%S"</span><span class="plain-syntax">, </span><span class="constant-syntax">SECTION_SYMBOL</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">title</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_B</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">section_URL</span><span class="plain-syntax">, </span><span class="identifier-syntax">txt</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">txt</span><span class="plain-syntax">)</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9_3_2">&#167;9.3.2</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_4" class="paragraph-anchor"></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="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Render any tailpiece at the foot of the contents</span><span class="named-paragraph-number">9.4</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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">self</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">columnar</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</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">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">assume_Public_Library</span><span class="plain-syntax"> == </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">html_for_Inform_application</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightlefthalfpage\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP7" class="function-link"><span class="function-syntax">Midnight::midnight_contents_column_banner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Extensions"</span><span class="plain-syntax">, </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[0], </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_A</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">link_to_extensions_index</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Installed Extensions"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightcontentsA\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"&lt;i&gt;for more extensions, visit:&lt;/i&gt;"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_TAG</span><span class="plain-syntax">(</span><span class="string-syntax">"br"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"&lt;b&gt;www.inform7.com&lt;/b&gt;"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightrighthalfpage\""</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">no_examples</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP7" class="function-link"><span class="function-syntax">Midnight::midnight_contents_column_banner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Indexes"</span><span class="plain-syntax">, </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-cm.html#SP9_3_2_3" class="named-paragraph-link"><span class="named-paragraph">Render links to example indexes</span><span class="named-paragraph-number">9.3.2.3</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="plain-syntax"> </span><a href="4-cm.html#SP7" class="function-link"><span class="function-syntax">Midnight::midnight_contents_column_banner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">volumes</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</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">NUMBER_CREATED</span><span class="plain-syntax">(</span><span class="reserved-syntax">index_lemma</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_A</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">definitions_index_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"General Index"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9">&#167;9</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_3_2_3" class="paragraph-anchor"></a><b>&#167;9.3.2.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Render links to example indexes</span><span class="named-paragraph-number">9.3.2.3</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_A</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_alphabetical_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Alphabetical Index of Examples"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_A</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_numerical_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Numerical Index of Examples"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-cm.html#SP10" class="function-link"><span class="function-syntax">Midnight::mc_link_A</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">indoc_settings</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">examples_thematic_leafname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Thematic Index of Examples"</span><span class="plain-syntax">);</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="4-cm.html#SP9_3_2">&#167;9.3.2</a>, <a href="4-cm.html#SP9_4">&#167;9.4</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>&#167;10. </b>And here are the level A and B contents entry link paragraphs:
</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">Midnight::mc_link_A</span><button class="popup" onclick="togglePopup('usagePopup11')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup11">Usage of <span class="code-font"><span class="function-syntax">Midnight::mc_link_A</span></span>:<br/><a href="4-cm.html#SP9_3_2">&#167;9.3.2</a>, <a href="4-cm.html#SP9_4">&#167;9.4</a>, <a href="4-cm.html#SP9_3_2_3">&#167;9.3.2.3</a></span></button><span class="plain-syntax">(</span><span class="constant-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">to</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightcontentsA\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">to</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Midnight::mc_link_B</span><button class="popup" onclick="togglePopup('usagePopup12')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup12">Usage of <span class="code-font"><span class="function-syntax">Midnight::mc_link_B</span></span>:<br/><a href="4-cm.html#SP9_3_2_2">&#167;9.3.2.2</a></span></button><span class="plain-syntax">(</span><span class="constant-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">to</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"midnightcontentsB\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-haj.html#SP8" class="function-link"><span class="function-syntax">HTMLUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"standardlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">to</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
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