237 lines
50 KiB
HTML
237 lines
50 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>Tags</title>
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<link href="../docs-assets/Breadcrumbs.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<meta name="viewport" content="width=device-width initial-scale=1">
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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="../docs-assets/Contents.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Progress.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Navigation.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Fonts.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Base.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<script>
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function togglePopup(material_id) {
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var popup = document.getElementById(material_id);
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popup.classList.toggle("show");
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}
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</script>
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<link href="../docs-assets/Popups.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
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</head>
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<body class="commentary-font">
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<nav role="navigation">
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<h1><a href="../index.html">
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<img src="../docs-assets/Octagram.png" width=72 height=72">
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</a></h1>
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<ul><li><a href="index.html"><span class="selectedlink">inweb</span></a></li>
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</ul><h2>Foundation Module</h2><ul>
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<li><a href="../foundation-module/index.html">foundation</a></li>
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<li><a href="../foundation-test/index.html">foundation-test</a></li>
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</ul><h2>Example Webs</h2><ul>
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<li><a href="../goldbach/index.html">goldbach</a></li>
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<li><a href="../twinprimes/twinprimes.html">twinprimes</a></li>
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<li><a href="../eastertide/index.html">eastertide</a></li>
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</ul><h2>Repository</h2><ul>
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<li><a href="https://github.com/ganelson/inweb"><img src="../docs-assets/github.png" height=18> github</a></li>
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</ul><h2>Related Projects</h2><ul>
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<li><a href="../../../inform/docs/index.html">inform</a></li>
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<li><a href="../../../intest/docs/index.html">intest</a></li>
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</ul>
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</nav>
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<main role="main">
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<!--Weave of 'Tags' generated by Inweb-->
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<div class="breadcrumbs">
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="index.html">inweb</a></li><li><a href="index.html#2">Chapter 2: Parsing a Web</a></li><li><b>Tags</b></li></ul></div>
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<p class="purpose">Thematic tags can be attached to certain paragraphs, some automatically by Inweb, others manually by the author.</p>
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>A tag really is just a textual name. Each differently-named tag leads
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to one of the following being created:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tag_name</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">ifdef_positive</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ifdef_symbol</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">CLASS_DEFINITION</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax">;</span>
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</pre>
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<ul class="endnotetexts"><li>The structure theme_tag is accessed in 5/htm, 8/ws, 1/ts, 2/tr, 4/is and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>Here we find a tag from its name, case-sensitively. On each run of Inweb,
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there's just a single namespace of all known tags. There are never very
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many differently-named tags in a given web.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="function-syntax">Tags::find_by_name</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">Tags::find_by_name</span></span>:<br/><a href="2-tgs.html#SP4">§4</a><br/>Program Control - <a href="1-pc.html#SP7_4_3">§7.4.3</a><br/>The Weaver - <a href="3-tw.html#SP2_7_2_3_2_1">§2.7.2.3.2.1</a>, <a href="3-tw.html#SP3">§3</a><br/>Language Methods - <a href="4-lm.html#SP25">§25</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">creating_if_necessary</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tag</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">tag</span><span class="plain-syntax">, </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-sm.html#SP19" class="function-link"><span class="function-syntax">Str::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">tag_name</span><span class="plain-syntax">))</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">creating_if_necessary</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">tag_name</span><span class="plain-syntax"> = </span><a href="../foundation-module/4-sm.html#SP3" class="function-link"><span class="function-syntax">Str::duplicate</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_positive</span><span class="plain-syntax"> = </span><span class="constant-syntax">NOT_APPLICABLE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax"> = </span><a href="../foundation-module/4-sm.html#SP2" class="function-link"><span class="function-syntax">Str::new</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-sm.html#SP21" class="function-link"><span class="function-syntax">Str::prefix_eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"ifdef-"</span><span class="plain-syntax">, </span><span class="constant-syntax">6</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><a href="../foundation-module/4-sm.html#SP26" class="function-link"><span class="function-syntax">Str::substr</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">, </span><a href="../foundation-module/4-sm.html#SP10" class="function-link"><span class="function-syntax">Str::at</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="constant-syntax">6</span><span class="plain-syntax">), </span><a href="../foundation-module/4-sm.html#SP10" class="function-link"><span class="function-syntax">Str::end</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_positive</span><span class="plain-syntax"> = </span><span class="constant-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-sm.html#SP21" class="function-link"><span class="function-syntax">Str::prefix_eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"ifndef-"</span><span class="plain-syntax">, </span><span class="constant-syntax">7</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><a href="../foundation-module/4-sm.html#SP26" class="function-link"><span class="function-syntax">Str::substr</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">, </span><a href="../foundation-module/4-sm.html#SP10" class="function-link"><span class="function-syntax">Str::at</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="constant-syntax">7</span><span class="plain-syntax">), </span><a href="../foundation-module/4-sm.html#SP10" class="function-link"><span class="function-syntax">Str::end</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_positive</span><span class="plain-syntax"> = </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><a href="4-lm.html#SP27" class="function-link"><span class="function-syntax">LanguageMethods::new_tag_declared</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tag</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>A "tagging" occurs when a paragraph is marked with a given tag, and perhaps
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also with a contextually relevant caption. The following records those;
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they're stored as a linked list within each paragraph.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="identifier-syntax">the_tag</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">caption</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">CLASS_DEFINITION</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Tags::add_to_paragraph</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">Tags::add_to_paragraph</span></span>:<br/><a href="2-tgs.html#SP4">§4</a><br/>The Parser - <a href="2-tp.html#SP1_1_3">§1.1.3</a><br/>InC Support - <a href="4-is.html#SP3_1_3_5">§3.1.3.5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">paragraph</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tag</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">caption</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">P</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax"> = </span><span class="identifier-syntax">tag</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">caption</span><span class="plain-syntax">) </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">caption</span><span class="plain-syntax"> = </span><a href="../foundation-module/4-sm.html#SP3" class="function-link"><span class="function-syntax">Str::duplicate</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">caption</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">caption</span><span class="plain-syntax"> = </span><a href="../foundation-module/4-sm.html#SP2" class="function-link"><span class="function-syntax">Str::new</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">taggings</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">}</span>
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</pre>
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<ul class="endnotetexts"><li>The structure paragraph_tagging is accessed in 5/wt, 5/hf, 5/df and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>Tags are created simply by being used in taggings. If the tag notation
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<span class="extract"><span class="extract-syntax">^"History: How tags came about"</span></span> is found, the following is called, and
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the tag is <span class="extract"><span class="extract-syntax">History</span></span>, the caption "How tags came about".
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="function-syntax">Tags::add_by_name</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">Tags::add_by_name</span></span>:<br/>The Reader - <a href="2-tr.html#SP4_4">§4.4</a><br/>The Parser - <a href="2-tp.html#SP1_1_2">§1.1.2</a>, <a href="2-tp.html#SP1_1_7_3">§1.1.7.3</a>, <a href="2-tp.html#SP1_1_7_7">§1.1.7.7</a><br/>Types and Functions - <a href="4-taf.html#SP2_2">§2.2</a><br/>C-Like Languages - <a href="4-cl.html#SP2_1">§2.1</a><br/>InC Support - <a href="4-is.html#SP3_1_1_1">§3.1.1.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">paragraph</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">text</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"empty tag name"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">) </span><a href="../foundation-module/4-sm.html#SP17" class="function-link"><span class="function-syntax">Str::copy</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">caption</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">match_results</span><span class="plain-syntax"> </span><span class="identifier-syntax">mr</span><span class="plain-syntax"> = </span><a href="../foundation-module/4-pm.html#SP9" class="function-link"><span class="function-syntax">Regexp::create_mr</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-pm.html#SP10" class="function-link"><span class="function-syntax">Regexp::match</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">mr</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"(%c+?): (%c+)"</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><a href="../foundation-module/4-sm.html#SP17" class="function-link"><span class="function-syntax">Str::copy</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="element-syntax">exp</span><span class="plain-syntax">[0]);</span>
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<span class="plain-syntax"> </span><a href="../foundation-module/4-sm.html#SP17" class="function-link"><span class="function-syntax">Str::copy</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">caption</span><span class="plain-syntax">, </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="element-syntax">exp</span><span class="plain-syntax">[1]);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tag</span><span class="plain-syntax"> = </span><a href="2-tgs.html#SP2" class="function-link"><span class="function-syntax">Tags::find_by_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="constant-syntax">TRUE</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">P</span><span class="plain-syntax">) </span><a href="2-tgs.html#SP3" class="function-link"><span class="function-syntax">Tags::add_to_paragraph</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">tag</span><span class="plain-syntax">, </span><span class="identifier-syntax">caption</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">caption</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="../foundation-module/4-pm.html#SP9" class="function-link"><span class="function-syntax">Regexp::dispose_of</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">mr</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">tag</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. </b>If a given line is tagged with a given tag, what caption does it have?
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="function-syntax">Tags::retrieve_caption</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">Tags::retrieve_caption</span></span>:<br/>The Weaver - <a href="3-tw.html#SP2_7_2_1_1">§2.7.2.1.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">paragraph</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tag</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">tag</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">P</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">taggings</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">tag</span><span class="plain-syntax"> == </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">caption</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. </b>Finally, this tests whether a given paragraph falls under a given tag.
|
|
(Everything falls under the null non-tag: this ensures that a weave which
|
|
doesn't specify a tag.)
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">Tags::tagged_with</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">Tags::tagged_with</span></span>:<br/>The Weaver - <a href="3-tw.html#SP2_7">§2.7</a>, <a href="3-tw.html#SP2_7_2_3_2_1">§2.7.2.3.2.1</a>, <a href="3-tw.html#SP3">§3</a><br/>Language Methods - <a href="4-lm.html#SP25">§25</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">paragraph</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="reserved-syntax">theme_tag</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tag</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">tag</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">P</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">taggings</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">tag</span><span class="plain-syntax"> == </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Tags::open_ifdefs</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">Tags::open_ifdefs</span></span>:<br/>The Tangler - <a href="3-tt.html#SP1_1_1_1">§1.1.1.1</a>, <a href="3-tt.html#SP2">§2</a><br/>C-Like Languages - <a href="4-cl.html#SP5">§5</a>, <a href="4-cl.html#SP6_1">§6.1</a>, <a href="4-cl.html#SP6_3">§6.3</a>, <a href="4-cl.html#SP6_4">§6.4</a></span></button><span class="plain-syntax">(</span><span class="constant-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">taggings</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">) > </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="4-lm.html#SP17" class="function-link"><span class="function-syntax">LanguageMethods::open_ifdef</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">under_section</span><span class="plain-syntax">-></span><span class="element-syntax">sect_language</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_positive</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Tags::close_ifdefs</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">Tags::close_ifdefs</span></span>:<br/>The Tangler - <a href="3-tt.html#SP1_1_1_1">§1.1.1.1</a>, <a href="3-tt.html#SP2">§2</a><br/>C-Like Languages - <a href="4-cl.html#SP5">§5</a>, <a href="4-cl.html#SP6_1">§6.1</a>, <a href="4-cl.html#SP6_3">§6.3</a>, <a href="4-cl.html#SP6_4">§6.4</a></span></button><span class="plain-syntax">(</span><span class="constant-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">taggings</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">) > </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="4-lm.html#SP17" class="function-link"><span class="function-syntax">LanguageMethods::close_ifdef</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">under_section</span><span class="plain-syntax">-></span><span class="element-syntax">sect_language</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_positive</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Tags::show_endnote_on_ifdefs</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">Tags::show_endnote_on_ifdefs</span></span>:<br/>The Weaver - <a href="3-tw.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">heterogeneous_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="reserved-syntax">tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">d</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">sense</span><span class="plain-syntax"> = </span><span class="constant-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-tgs.html#SP7_1" class="named-paragraph-link"><span class="named-paragraph">Show ifdef endnoting</span><span class="named-paragraph-number">7.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">sense</span><span class="plain-syntax"> = </span><span class="constant-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-tgs.html#SP7_1" class="named-paragraph-link"><span class="named-paragraph">Show ifdef endnoting</span><span class="named-paragraph-number">7.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">d</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"."</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP7_1" class="paragraph-anchor"></a><b>§7.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Show ifdef endnoting</span><span class="named-paragraph-number">7.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="reserved-syntax">paragraph_tagging</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">-></span><span class="element-syntax">taggings</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_positive</span><span class="plain-syntax"> == </span><span class="identifier-syntax">sense</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="../foundation-module/4-sm.html#SP8" class="function-link"><span class="function-syntax">Str::len</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">) > </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax">++ == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">d</span><span class="plain-syntax">++ == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="5-wt.html#SP2" class="function-link"><span class="function-syntax">WeaveTree::endnote</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="../foundation-module/2-trs.html#SP11" class="function-link"><span class="function-syntax">Trees::make_child</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">E</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">); </span><span class="identifier-syntax">ap</span><span class="plain-syntax"> = </span><span class="identifier-syntax">E</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"This paragraph is used only if "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">" and if "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">" and "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-></span><span class="element-syntax">the_tag</span><span class="plain-syntax">-></span><span class="element-syntax">ifdef_symbol</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">" is"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">" are"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">sense</span><span class="plain-syntax">) </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">" defined"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="3-twot.html#SP1" class="function-link"><span class="function-syntax">TextWeaver::commentary_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tree</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">" undefined"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="2-tgs.html#SP7">§7</a> (twice).</li></ul>
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