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503 lines
72 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>4/ct</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta http-equiv="Content-Language" content="en-gb">
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<link href="inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
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</head>
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<body>
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<!--Weave of '4/cr' generated by 7-->
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<ul class="crumbs"><li><a href="../webs.html">★</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 Roadsign</b></li></ul><p class="purpose">The "roadsign" style of navigational gadgets.</p>
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<ul class="toc"><li><a href="#SP1">§1. Creation</a></li><li><a href="#SP2">§2. Top</a></li><li><a href="#SP5">§5. Index top</a></li><li><a href="#SP6">§6. Middle</a></li><li><a href="#SP7">§7. Example top</a></li><li><a href="#SP8">§8. Utility routines</a></li><li><a href="#SP12">§12. Ecce romani</a></li></ul><hr class="tocbar">
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<p class="inwebparagraph"><a id="SP1"></a><b>§1. Creation. </b></p>
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<pre class="display">
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<span class="reserved">navigation_design</span><span class="plain"> *</span><span class="functiontext">Roadsign::create</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
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<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">"roadsign"</span><span class="plain">, </span><span class="constant">TRUE</span><span class="plain">, </span><span class="constant">FALSE</span><span class="plain">);</span>
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<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">Roadsign::roadsign_volume_title</span><span class="plain">);</span>
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<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">Roadsign::roadsign_chapter_title</span><span class="plain">);</span>
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<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">Roadsign::roadsign_section_title</span><span class="plain">);</span>
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<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">Roadsign::roadsign_navigation_index_top</span><span class="plain">);</span>
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<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">Roadsign::roadsign_navigation_middle</span><span class="plain">);</span>
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<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">ND</span><span class="plain">, </span><span class="constant">RENDER_EXAMPLE_TOP_MTID</span><span class="plain">, </span><span class="functiontext">Roadsign::roadsign_navigation_example_top</span><span class="plain">);</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">ND</span><span class="plain">;</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function Roadsign::create is used in 4/nd (<a href="4-nd.html#SP1">§1</a>).</p>
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<p class="inwebparagraph"><a id="SP2"></a><b>§2. Top. </b>At the front end of a section, before any of its text.
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</p>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_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>
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<<span class="cwebmacro">Render a volume heading</span> <span class="cwebmacronumber">2.1</span>><span class="plain">;</span>
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<<span class="cwebmacro">Render a chapter-contents table</span> <span class="cwebmacronumber">2.2</span>><span class="plain">;</span>
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<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">); </span><span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
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<<span class="cwebmacro">Render the volume-top roadsign</span> <span class="cwebmacronumber">2.3</span>><span class="plain">;</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function Roadsign::roadsign_volume_title is used in <a href="#SP1">§1</a>.</p>
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<p class="inwebparagraph"><a id="SP2_1"></a><b>§2.1. </b><code class="display">
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<<span class="cwebmacrodefn">Render a volume heading</span> <span class="cwebmacronumber">2.1</span>> =
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</code></p>
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<pre class="displaydefn">
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">partn</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_volumes</span><span class="plain"> > 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">>allocation_id</span><span class="plain">);</span>
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<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>
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<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">>vol_title</span><span class="plain">);</span>
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<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">partn</span><span class="plain">);</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">This code is used in <a href="#SP2">§2</a>.</p>
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<p class="inwebparagraph"><a id="SP2_2"></a><b>§2.2. </b>Some cumbersome Perl to produce a balanced two-column chapter listing:
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</p>
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<p class="macrodefinition"><code class="display">
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<<span class="cwebmacrodefn">Render a chapter-contents table</span> <span class="cwebmacronumber">2.2</span>> =
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</code></p>
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<pre class="displaydefn">
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<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">centredtable\</span><span class="plain">"</span><span class="string">"</span><span class="plain">);</span>
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<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">>vol_chapter_count</span><span class="plain">;</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rows</span><span class="plain"> = </span><span class="identifier">nch</span><span class="plain">/2;</span>
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<span class="reserved">if</span><span class="plain"> (2 * </span><span class="identifier">rows</span><span class="plain"> < </span><span class="identifier">nch</span><span class="plain">) </span><span class="identifier">rows</span><span class="plain">++;</span>
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<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"> < </span><span class="identifier">rows</span><span class="plain">; </span><span class="identifier">rc</span><span class="plain">++) {</span>
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<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">>chapters</span><span class="plain">[</span><span class="identifier">rc</span><span class="plain">];</span>
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<span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">OC</span><span class="plain"> = </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>chapters</span><span class="plain">[</span><span class="identifier">rc</span><span class="plain"> + </span><span class="identifier">rows</span><span class="plain">];</span>
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<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
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<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
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<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">>chapter_URL</span><span class="plain">);</span>
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<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>
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<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">>chapter_full_title</span><span class="plain">);</span>
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<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">);</span>
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<span class="functiontext">HTML::end_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
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<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"&#160;&#160;&#160;</td>"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">OC</span><span class="plain">) {</span>
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<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">);</span>
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<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">OC</span><span class="plain">-</span><span class="element">>chapter_URL</span><span class="plain">);</span>
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<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>
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<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">OC</span><span class="plain">-</span><span class="element">>chapter_full_title</span><span class="plain">);</span>
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<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"span"</span><span class="plain">);</span>
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<span class="functiontext">HTML::end_link</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
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<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"&#160;&#160;&#160;</td>"</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">);</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">This code is used in <a href="#SP2">§2</a>.</p>
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<p class="inwebparagraph"><a id="SP2_3"></a><b>§2.3. </b><code class="display">
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<<span class="cwebmacrodefn">Render the volume-top roadsign</span> <span class="cwebmacronumber">2.3</span>> =
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</code></p>
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<pre class="displaydefn">
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<span class="functiontext">Roadsign::roadsign_begin</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 1);</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
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<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">, </span><span class="string">"Start reading here: %c%S"</span><span class="plain">, </span><span class="constant">SECTION_SYMBOL</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>sections</span><span class="plain">[0]-</span><span class="element">>title</span><span class="plain">);</span>
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<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-right.png"</span><span class="plain">, </span><span class="identifier">txt</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>chapters</span><span class="plain">[0]-</span><span class="element">>chapter_URL</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_volumes</span><span class="plain"> > 1) {</span>
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<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">v</span><span class="plain"> = 0; </span><span class="identifier">v</span><span class="plain"> < </span><span class="identifier">no_volumes</span><span class="plain">; </span><span class="identifier">v</span><span class="plain">++) {</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">icon</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> < </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>allocation_id</span><span class="plain">) </span><span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">icon</span><span class="plain">, </span><span class="string">"arrow-up"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> > </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>allocation_id</span><span class="plain">) </span><span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">icon</span><span class="plain">, </span><span class="string">"arrow-down"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::len</span><span class="plain">(</span><span class="identifier">icon</span><span class="plain">) > 0) {</span>
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<span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">LV</span><span class="plain"> = </span><span class="identifier">volumes</span><span class="plain">[</span><span class="identifier">v</span><span class="plain">];</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
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<span class="functiontext">Roadsign::roman_numeral</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">, </span><span class="identifier">v</span><span class="plain">);</span>
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<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">LV</span><span class="plain">-</span><span class="element">>vol_title</span><span class="plain">);</span>
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<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
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<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">, </span><span class="string">"%S.png"</span><span class="plain">, </span><span class="identifier">icon</span><span class="plain">);</span>
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<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">img</span><span class="plain">, </span><span class="identifier">txt</span><span class="plain">, </span><span class="identifier">LV</span><span class="plain">-</span><span class="element">>vol_URL</span><span class="plain">);</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">img</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">icon</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="plain">}</span>
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<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">no_examples</span><span class="plain"> > 0) && (</span><span class="identifier">NUMBER_CREATED</span><span class="plain">(</span><span class="reserved">index_lemma</span><span class="plain">) > 0)) {</span>
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<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-down-right.png"</span><span class="plain">,</span>
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<span class="identifier">I</span><span class="string">"Indexes of the examples and definitions"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_alphabetical_leafname</span><span class="plain">);</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_examples</span><span class="plain"> > 0) {</span>
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<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-down-right.png"</span><span class="plain">,</span>
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<span class="identifier">I</span><span class="string">"Indexes of the examples"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_alphabetical_leafname</span><span class="plain">);</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">NUMBER_CREATED</span><span class="plain">(</span><span class="reserved">index_lemma</span><span class="plain">) > 0) {</span>
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<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-down-right.png"</span><span class="plain">,</span>
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<span class="identifier">I</span><span class="string">"Index of definitions"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>definitions_index_leafname</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="functiontext">Roadsign::roadsign_end</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 1);</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">This code is used in <a href="#SP2">§2</a>.</p>
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<p class="inwebparagraph"><a id="SP3"></a><b>§3. </b></p>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_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>
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<<span class="cwebmacro">Render a chapter heading</span> <span class="cwebmacronumber">3.1</span>><span class="plain">;</span>
|
|
<<span class="cwebmacro">Render a section-contents listing</span> <span class="cwebmacronumber">3.2</span>><span class="plain">;</span>
|
|
<span class="functiontext">Roadsign::roadsign_chapter_jumps</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">, 0);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Roadsign::roadsign_chapter_title is used in <a href="#SP1">§1</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP3_1"></a><b>§3.1. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Render a chapter heading</span> <span class="cwebmacronumber">3.1</span>> =
|
|
</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">>chapter_anchor</span><span class="plain">) > 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">>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">>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">§3</a>.</p>
|
|
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|
<p class="inwebparagraph"><a id="SP3_2"></a><b>§3.2. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Render a section-contents listing</span> <span class="cwebmacronumber">3.2</span>> =
|
|
</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">>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">>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">>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">++ > 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">>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">>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="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">§3</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP4"></a><b>§4. </b></p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_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">>section_anchor</span><span class="plain">) > 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">>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">>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 Roadsign::roadsign_section_title is used in <a href="#SP1">§1</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP5"></a><b>§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">Roadsign::roadsign_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="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="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">title</span><span class="plain">);</span>
|
|
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"p"</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roadsign_begin</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 1);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_examples</span><span class="plain"> > 0) {</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::ne</span><span class="plain">(</span><span class="reserved">filename</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_alphabetical_leafname</span><span class="plain">))</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-right.png"</span><span class="plain">,</span>
|
|
<span class="identifier">I</span><span class="string">"Examples in Alphabetical Order"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_alphabetical_leafname</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::ne</span><span class="plain">(</span><span class="reserved">filename</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_thematic_leafname</span><span class="plain">))</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-right.png"</span><span class="plain">,</span>
|
|
<span class="identifier">I</span><span class="string">"Examples in Thematic Order"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_thematic_leafname</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::ne</span><span class="plain">(</span><span class="reserved">filename</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_numerical_leafname</span><span class="plain">))</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-right.png"</span><span class="plain">,</span>
|
|
<span class="identifier">I</span><span class="string">"Examples in Numerical Order"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_numerical_leafname</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">NUMBER_CREATED</span><span class="plain">(</span><span class="reserved">index_lemma</span><span class="plain">) > 0)</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Str::ne</span><span class="plain">(</span><span class="reserved">filename</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>definitions_index_leafname</span><span class="plain">))</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-right.png"</span><span class="plain">,</span>
|
|
<span class="identifier">I</span><span class="string">"General Index"</span><span class="plain">, </span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>definitions_index_leafname</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">v</span><span class="plain"> = 0; </span><span class="identifier">v</span><span class="plain"> < </span><span class="identifier">no_volumes</span><span class="plain">; </span><span class="identifier">v</span><span class="plain">++) {</span>
|
|
<span class="reserved">volume</span><span class="plain"> *</span><span class="identifier">V</span><span class="plain"> = </span><span class="identifier">volumes</span><span class="plain">[</span><span class="identifier">v</span><span class="plain">];</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roman_numeral</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">v</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>vol_title</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_volumes</span><span class="plain"> == 1) </span><span class="functiontext">Str::copy</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Contents"</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-up-left.png"</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>vol_URL</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
<span class="functiontext">Roadsign::roadsign_end</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 1);</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 Roadsign::roadsign_navigation_index_top is used in <a href="#SP1">§1</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP6"></a><b>§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">Roadsign::roadsign_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="functiontext">HTML::begin_div_with_class_S</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"roadsigns"</span><span class="plain">);</span>
|
|
<span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">>in_which_chapter</span><span class="plain">;</span>
|
|
<span class="functiontext">Roadsign::roadsign_begin</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 0);</span>
|
|
<<span class="cwebmacro">Add home, back and forward directions to the roadsign</span> <span class="cwebmacronumber">6.1</span>><span class="plain">;</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_mode</span><span class="plain"> == </span><span class="constant">EXMODE_open_internal</span><span class="plain">)</span>
|
|
<<span class="cwebmacro">Add directions to this section's examples to the roadsign</span> <span class="cwebmacronumber">6.2</span>><span class="character">;</span>
|
|
<span class="functiontext">Roadsign::roadsign_end</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 0);</span>
|
|
<span class="functiontext">HTMLUtilities::ruled_line</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
|
|
<span class="functiontext">HTML::end_div</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Roadsign::roadsign_navigation_middle is used in <a href="#SP1">§1</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP6_1"></a><b>§6.1. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Add home, back and forward directions to the roadsign</span> <span class="cwebmacronumber">6.1</span>> =
|
|
</code></p>
|
|
|
|
|
|
<pre class="displaydefn">
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">, </span><span class="string">"Start of %S"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">>chapter_full_title</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-up.png"</span><span class="plain">, </span><span class="identifier">txt</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">>chapter_URL</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">txt</span><span class="plain">);</span>
|
|
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">S</span><span class="plain">-</span><span class="element">>previous_section</span><span class="plain">) {</span>
|
|
<span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">to_chap</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">>previous_section</span><span class="plain">-</span><span class="element">>in_which_chapter</span><span class="plain">;</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">, </span><span class="string">"Back to "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">to_chap</span><span class="plain"> != </span><span class="identifier">C</span><span class="plain">)</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">, </span><span class="string">"Chapter %d: %S: "</span><span class="plain">, </span><span class="identifier">to_chap</span><span class="plain">-</span><span class="element">>chapter_number</span><span class="plain">, </span><span class="identifier">to_chap</span><span class="plain">-</span><span class="element">>chapter_title</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">link</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">>previous_section</span><span class="plain">-</span><span class="element">>title</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-left.png"</span><span class="plain">,</span>
|
|
<span class="identifier">link</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">>previous_section</span><span class="plain">-</span><span class="element">>section_URL</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">);</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">>next_section</span><span class="plain">) {</span>
|
|
<span class="reserved">chapter</span><span class="plain"> *</span><span class="identifier">to_chap</span><span class="plain"> = </span><span class="identifier">S</span><span class="plain">-</span><span class="element">>next_section</span><span class="plain">-</span><span class="element">>in_which_chapter</span><span class="plain">;</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">, </span><span class="string">"Onward to "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">to_chap</span><span class="plain"> != </span><span class="identifier">C</span><span class="plain">)</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">, </span><span class="string">"Chapter %d: %S: "</span><span class="plain">, </span><span class="identifier">to_chap</span><span class="plain">-</span><span class="element">>chapter_number</span><span class="plain">, </span><span class="identifier">to_chap</span><span class="plain">-</span><span class="element">>chapter_title</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">link</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">>next_section</span><span class="plain">-</span><span class="element">>title</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-right.png"</span><span class="plain">,</span>
|
|
<span class="identifier">link</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">>next_section</span><span class="plain">-</span><span class="element">>section_URL</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">link</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">This code is used in <a href="#SP6">§6</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP6_2"></a><b>§6.2. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Add directions to this section's examples to the roadsign</span> <span class="cwebmacronumber">6.2</span>> =
|
|
</code></p>
|
|
|
|
|
|
<pre class="displaydefn">
|
|
<span class="reserved">example</span><span class="plain"> *</span><span class="identifier">E</span><span class="plain">;</span>
|
|
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">E</span><span class="plain">, </span><span class="reserved">example</span><span class="plain">) {</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">E</span><span class="plain">-</span><span class="element">>example_belongs_to_section</span><span class="plain">[</span><span class="identifier">V</span><span class="plain">-</span><span class="element">>allocation_id</span><span class="plain">] == </span><span class="identifier">S</span><span class="plain">) {</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">stars</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">starcc</span><span class="plain">=0; </span><span class="identifier">starcc</span><span class="plain"> < </span><span class="identifier">E</span><span class="plain">-</span><span class="element">>ex_star_count</span><span class="plain">; </span><span class="identifier">starcc</span><span class="plain">++)</span>
|
|
<span class="functiontext">HTMLUtilities::asterisk_image</span><span class="plain">(</span><span class="identifier">stars</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"asterisk.png"</span><span class="plain">);</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">pn</span><span class="plain">);</span>
|
|
<span class="functiontext">Str::copy</span><span class="plain">(</span><span class="identifier">pn</span><span class="plain">, </span><span class="identifier">E</span><span class="plain">-</span><span class="element">>ex_public_name</span><span class="plain">);</span>
|
|
<span class="functiontext">Rawtext::escape_HTML_characters_in</span><span class="plain">(</span><span class="identifier">pn</span><span class="plain">);</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">, </span><span class="string">"Example %d: %S <b>%S</b>&#160;&#160;&#160; %S"</span><span class="plain">,</span>
|
|
<span class="identifier">E</span><span class="plain">-</span><span class="element">>example_position</span><span class="plain">[0], </span><span class="identifier">stars</span><span class="plain">, </span><span class="identifier">pn</span><span class="plain">, </span><span class="identifier">E</span><span class="plain">-</span><span class="element">>ex_outline</span><span class="plain">);</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
|
|
<span class="functiontext">Examples::goto_example_url</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">, </span><span class="identifier">E</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-down.png"</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">url</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">stars</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">url</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">This code is used in <a href="#SP6">§6</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP7"></a><b>§7. Example top. </b>This is reached before the first example is rendered, provided at least
|
|
one example will be:
|
|
</p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_navigation_example_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">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="reserved">if</span><span class="plain"> (</span><span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_granularity</span><span class="plain"> == </span><span class="constant">CHAPTER_GRANULARITY</span><span class="plain">)</span>
|
|
<span class="functiontext">Roadsign::roadsign_chapter_jumps</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">-</span><span class="element">>in_which_chapter</span><span class="plain">, </span><span class="constant">TRUE</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Roadsign::roadsign_navigation_example_top is used in <a href="#SP1">§1</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP8"></a><b>§8. Utility routines. </b></p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_chapter_jumps</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</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">int</span><span class="plain"> </span><span class="identifier">bottom</span><span class="plain">) {</span>
|
|
<span class="functiontext">Roadsign::roadsign_begin</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 1);</span>
|
|
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">chc</span><span class="plain"> = </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>vol_chapter_count</span><span class="plain">;</span>
|
|
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">chc</span><span class="plain"> > 1) && (</span><span class="identifier">bottom</span><span class="plain"> == </span><span class="constant">FALSE</span><span class="plain">)) {</span>
|
|
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">);</span>
|
|
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">, </span><span class="string">"Contents of <i>%S</i>"</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>vol_title</span><span class="plain">);</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-up-left.png"</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">-</span><span class="element">>vol_URL</span><span class="plain">);</span>
|
|
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">>previous_chapter</span><span class="plain">)</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-left.png"</span><span class="plain">,</span>
|
|
<span class="identifier">C</span><span class="plain">-</span><span class="element">>previous_chapter</span><span class="plain">-</span><span class="element">>chapter_full_title</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">>previous_chapter</span><span class="plain">-</span><span class="element">>chapter_URL</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">bottom</span><span class="plain"> == 1)</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-up.png"</span><span class="plain">,</span>
|
|
<span class="identifier">I</span><span class="string">"Start of this chapter"</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">>chapter_URL</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">>next_chapter</span><span class="plain">)</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-right.png"</span><span class="plain">,</span>
|
|
<span class="identifier">C</span><span class="plain">-</span><span class="element">>next_chapter</span><span class="plain">-</span><span class="element">>chapter_full_title</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">>next_chapter</span><span class="plain">-</span><span class="element">>chapter_URL</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_examples</span><span class="plain"> > 0)</span>
|
|
<span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"arrow-down-right.png"</span><span class="plain">,</span>
|
|
<span class="identifier">I</span><span class="string">"Indexes of the examples"</span><span class="plain">,</span>
|
|
<span class="identifier">indoc_settings</span><span class="plain">-</span><span class="element">>examples_alphabetical_leafname</span><span class="plain">);</span>
|
|
|
|
<span class="functiontext">Roadsign::roadsign_end</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, 1);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Roadsign::roadsign_chapter_jumps is used in <a href="#SP3">§3</a>, <a href="#SP7">§7</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP9"></a><b>§9. </b>And at a lower level: here's how a roadsign is made, as a table of links.
|
|
</p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_begin</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">centred</span><span class="plain">) {</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">centred</span><span class="plain">) </span><span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">centredtable\</span><span class="plain">"</span><span class="string">"</span><span class="plain">)</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Roadsign::roadsign_begin is used in <a href="#SP2_3">§2.3</a>, <a href="#SP5">§5</a>, <a href="#SP6">§6</a>, <a href="#SP8">§8</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP10"></a><b>§10. </b>This is a 2-column table: the link image in column 1, the text in column 2.
|
|
</p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_add_direction</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">icon</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">text</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">url</span><span class="plain">) {</span>
|
|
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
|
|
<span class="identifier">HTML_OPEN_WITH</span><span class="plain">(</span><span class="string">"td"</span><span class="plain">, </span><span class="string">"class=\</span><span class="plain">"</span><span class="string">roadsigndirection\</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">url</span><span class="plain">);</span>
|
|
<span class="functiontext">HTMLUtilities::image_element</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">icon</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">"td"</span><span class="plain">);</span>
|
|
<span class="identifier">HTML_OPEN</span><span class="plain">(</span><span class="string">"td"</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">url</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">text</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">"td"</span><span class="plain">);</span>
|
|
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"tr"</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Roadsign::roadsign_add_direction is used in <a href="#SP2_3">§2.3</a>, <a href="#SP5">§5</a>, <a href="#SP6_1">§6.1</a>, <a href="#SP6_2">§6.2</a>, <a href="#SP8">§8</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP11"></a><b>§11. </b></p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roadsign_end</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">cent</span><span class="plain">) {</span>
|
|
<span class="identifier">HTML_CLOSE</span><span class="plain">(</span><span class="string">"table"</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Roadsign::roadsign_end is used in <a href="#SP2_3">§2.3</a>, <a href="#SP5">§5</a>, <a href="#SP6">§6</a>, <a href="#SP8">§8</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP12"></a><b>§12. Ecce romani. </b></p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Roadsign::roman_numeral</span><span class="plain">(</span><span class="constant">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">v</span><span class="plain">) {</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 0) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part I. "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 1) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part II. "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 2) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part III. "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 3) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part IV. "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 4) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part V. "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 5) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part VI. "</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 6) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part VII. "</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 7) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part VIII. "</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 8) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part IX. "</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">v</span><span class="plain"> == 9) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"Part X. "</span><span class="plain">);</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function Roadsign::roman_numeral is used in <a href="#SP2_1">§2.1</a>, <a href="#SP2_3">§2.3</a>, <a href="#SP5">§5</a>, 4/cu (<a href="4-cu.html#SP2_1">§2.1</a>).</p>
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