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<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">indoc 4</a></li><li><a href="index.html#4">Chapter 4: Navigation Styles</a></li><li><b>Codename Unsigned</b></li></ul><p class="purpose">The "unsigned" style of navigational gadgets.</p>
<ul class="toc"><li><a href="#SP1">&#167;1. Creation</a></li><li><a href="#SP2">&#167;2. Top</a></li><li><a href="#SP5">&#167;5. Index top</a></li><li><a href="#SP6">&#167;6. Middle</a></li></ul><hr class="tocbar">
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. Creation. </b></p>
<pre class="display">
<span class="reserved">navigation_design</span><span class="plain"> *</span><span class="functiontext">Unsigned::create</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">ND</span><span class="plain"> = </span><span class="functiontext">Nav::new</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"unsigned"</span><span class="plain">, </span><span class="constant">TRUE</span><span class="plain">, </span><span class="constant">FALSE</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_VOLUME_TITLE_MTID</span><span class="plain">, </span><span class="functiontext">Unsigned::unsigned_volume_title</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_CHAPTER_TITLE_MTID</span><span class="plain">, </span><span class="functiontext">Unsigned::unsigned_chapter_title</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_SECTION_TITLE_MTID</span><span class="plain">, </span><span class="functiontext">Unsigned::unsigned_section_title</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_INDEX_TOP_MTID</span><span class="plain">, </span><span class="functiontext">Unsigned::unsigned_navigation_index_top</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_NAV_MIDDLE_MTID</span><span class="plain">, </span><span class="functiontext">Unsigned::unsigned_navigation_middle</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">ND</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Unsigned::create is used in 4/nd (<a href="4-nd.html#SP1">&#167;1</a>).</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. Top. </b>At the front end of a section, before any of its text.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Unsigned::unsigned_volume_title</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">) {</span>
&lt;<span class="cwebmacro">Render a volume heading</span> <span class="cwebmacronumber">2.1</span>&gt;<span class="plain">;</span>
&lt;<span class="cwebmacro">Render a chapter-contents table</span> <span class="cwebmacronumber">2.2</span>&gt;<span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Unsigned::unsigned_volume_title is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP2_1"></a><b>&#167;2.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render a volume heading</span> <span class="cwebmacronumber">2.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">partn</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_volumes</span><span class="plain"> &gt; 1) </span><span class="functiontext">Roadsign::roman_numeral</span><span class="plain">(</span><span class="identifier">partn</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;allocation_id</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">volumeheading\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S%S"</span><span class="plain">, </span><span class="identifier">partn</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;vol_title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP2">&#167;2</a>.</p>
<p class="inwebparagraph"><a id="SP2_2"></a><b>&#167;2.2. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render a chapter-contents table</span> <span class="cwebmacronumber">2.2</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">nch</span><span class="plain"> = </span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;vol_chapter_count</span><span class="plain">;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">rc</span><span class="plain"> = 0; </span><span class="identifier">rc</span><span class="plain"> &lt; </span><span class="identifier">nch</span><span class="plain">; </span><span class="identifier">rc</span><span class="plain">++) {</span>
<span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;chapters</span><span class="plain">[</span><span class="identifier">rc</span><span class="plain">];</span>
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="functiontext">HTML::begin_link_with_class</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_URL</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">chapterlisting\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_full_title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">);</span>
<span class="functiontext">HTML::end_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP2">&#167;2</a>.</p>
<p class="inwebparagraph"><a id="SP3"></a><b>&#167;3. </b></p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Unsigned::unsigned_chapter_title</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">, </span><span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">) {</span>
&lt;<span class="cwebmacro">Render a chapter heading</span> <span class="cwebmacronumber">3.1</span>&gt;<span class="plain">;</span>
&lt;<span class="cwebmacro">Render a section-contents listing</span> <span class="cwebmacronumber">3.2</span>&gt;<span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Unsigned::unsigned_chapter_title is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP3_1"></a><b>&#167;3.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render a chapter heading</span> <span class="cwebmacronumber">3.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">chapterheading\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_anchor</span><span class="plain">) &gt; 0) </span><span class="functiontext">HTML::anchor</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_anchor</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;chapter_full_title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP3">&#167;3</a>.</p>
<p class="inwebparagraph"><a id="SP3_2"></a><b>&#167;3.2. </b><code class="display">
&lt;<span class="cwebmacrodefn">Render a section-contents listing</span> <span class="cwebmacronumber">3.2</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">chaptercontents\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">lcount</span><span class="plain"> = 0;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">V</span><span class="plain">-</span><span class="element">&gt;sections</span><span class="plain">[0]; </span><span class="identifier">S</span><span class="plain">; </span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;next_section</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;in_which_chapter</span><span class="plain"> == </span><span class="identifier">C</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">lcount</span><span class="plain">++ &gt; 0) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"; "</span><span class="plain">);</span>
<span class="functiontext">HTML::begin_link_with_class</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"standardlink"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_URL</span><span class="plain">);</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">chaptercontentsitem\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%c%S"</span><span class="plain">, </span><span class="constant">SECTION_SYMBOL</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">);</span>
<span class="functiontext">HTML::end_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP3">&#167;3</a>.</p>
<p class="inwebparagraph"><a id="SP4"></a><b>&#167;4. </b></p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Unsigned::unsigned_section_title</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">, </span><span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">, </span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">) {</span>
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">sectionheading\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_anchor</span><span class="plain">) &gt; 0) </span><span class="functiontext">HTML::anchor</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;section_anchor</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%c%S"</span><span class="plain">, </span><span class="constant">SECTION_SYMBOL</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">&gt;title</span><span class="plain">);</span>
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Unsigned::unsigned_section_title is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP5"></a><b>&#167;5. Index top. </b>And this is a variant for index pages, such as the index of examples.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Unsigned::unsigned_navigation_index_top</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="reserved">filename</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">title</span><span class="plain">) {</span>
<span class="functiontext">HTMLUtilities::ruled_line</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Unsigned::unsigned_navigation_index_top is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP6"></a><b>&#167;6. Middle. </b>At the middle part, when the text is over, but before any example cues.
</p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Unsigned::unsigned_navigation_middle</span><span class="plain">(</span><span class="reserved">navigation_design</span><span class="plain"> *</span><span class="identifier">self</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain">, </span><span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain">, </span><span class="reserved">section</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">) {</span>
<span class="functiontext">HTMLUtilities::ruled_line</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Unsigned::unsigned_navigation_middle is used in <a href="#SP1">&#167;1</a>.</p>
<hr class="tocbar">
<ul class="toc"><li><a href="4-cr.html">Back to 'Codename Roadsign'</a></li><li><i>(This section ends Chapter 4: Navigation Styles.)</i></li></ul><hr class="tocbar">
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