From 40e1ea11041031dd65be0a0541cad0b2dda71d3e Mon Sep 17 00:00:00 2001
From: Thedro Neely <thedroneely@gmail.com>
Date: Sat, 2 Apr 2022 04:11:04 -0400
Subject: app/model/HTMLExtract: Simplify

Empty elements not supported in libxml2.
---
 app/model/HTMLExtract.php                          | 61 ++++++----------------
 app/views/index.view.php                           |  6 +--
 .../hugo/themes/tdro/layouts/_default/section.html | 28 +++++-----
 .../themes/tdro/layouts/abstracts/section.html     |  4 +-
 4 files changed, 33 insertions(+), 66 deletions(-)

diff --git a/app/model/HTMLExtract.php b/app/model/HTMLExtract.php
index 5c3f727..b2ab39e 100644
--- a/app/model/HTMLExtract.php
+++ b/app/model/HTMLExtract.php
@@ -2,7 +2,6 @@
 
 class DOMExtract extends DOMDocument
 {
-    private $source;
     private $document;
 
     public function __construct()
@@ -10,55 +9,25 @@ class DOMExtract extends DOMDocument
         libxml_use_internal_errors(true);
         $this->preserveWhiteSpace = false;
         $this->strictErrorChecking = false;
-        $this->formatOutput = true;
+        $this->formatOutput = false;
     }
 
-    public function setSource($source)
+    public function innerHTML($tag, $file)
     {
-        $this->source = file_get_contents($source);
-        return $this;
-    }
-
-    public function getInnerHTML($tag, $id=null, $nodeValue = false)
-    {
-        if (empty($this->source)) {
-            throw new Exception('Error: Missing $this->source, use setSource() first');
-        }
-
-        $html = null;
-        $this->loadHTML($this->source);
-        $element = $this->getElementsByTagName($tag);
-
-        foreach ($element as $tags) {
-            if ($id !== null) {
-                $attr = explode('=', $id);
-                if ($tags->getAttribute($attr[0]) == $attr[1]) {
-                    if ($nodeValue == true) {
-                        $html .= trim($tags->nodeValue);
-                    } else {
-                        $html .= $this->innerHTML($tags);
-                    }
-                }
-            } else {
-                if ($nodeValue == true) {
-                    $html .= trim($tags->nodeValue);
-                } else {
-                    $html .= $this->innerHTML($tags);
-                }
-            }
+        $html = '';
+        $this->loadHTML(file_get_contents($file));
+        $this->document = $this->getElementsByTagName($tag);
+
+        foreach ($this->document as $node)
+        {
+            /*
+            |  TODO: DOMDocument::saveHTML's empty elements list is not updated.
+            |  https://bugs.php.net/bug.php?id=73175
+            */
+
+            $html .= $this->saveHTML($node);
         }
-        return $html;
-    }
 
-    protected function innerHTML($document)
-    {
-        $html = "";
-        foreach ($document->childNodes as $v) {
-            $tmp = new DOMDocument();
-            $tmp->appendChild($tmp->importNode($v, true));
-            $html .= trim($tmp->saveHTML());
-        }
-        return $html;
+        return str_replace("</source>", '', $html);
     }
-
 }
diff --git a/app/views/index.view.php b/app/views/index.view.php
index 7c02198..1388848 100644
--- a/app/views/index.view.php
+++ b/app/views/index.view.php
@@ -61,8 +61,7 @@
 
                     <?php
                     $recentPosts = new DOMExtract();
-                    $recentPosts->setSource($_SERVER['DOCUMENT_ROOT'] . '/posts/index.html');
-                    echo $recentPosts->getInnerHTML('recent-article');
+                    echo $recentPosts->innerHTML('recent-articles', $_SERVER['DOCUMENT_ROOT'] . '/posts/index.html');
                     ?>
 
                     <a href="/posts/page/2/"
@@ -86,8 +85,7 @@
 
                     <?php
                     $recentProjects = new DOMExtract();
-                    $recentProjects->setSource($_SERVER['DOCUMENT_ROOT'] . '/projects/index.html');
-                    echo $recentProjects->getInnerHTML('recent-article');
+                    echo $recentPosts->innerHTML('recent-articles', $_SERVER['DOCUMENT_ROOT'] . '/projects/index.html');
                     ?>
                     </div>
 
diff --git a/generators/hugo/themes/tdro/layouts/_default/section.html b/generators/hugo/themes/tdro/layouts/_default/section.html
index 889c158..adb5fbf 100644
--- a/generators/hugo/themes/tdro/layouts/_default/section.html
+++ b/generators/hugo/themes/tdro/layouts/_default/section.html
@@ -1,26 +1,26 @@
 {{ define "main" }}
 <section class="section is-fullheight" itemscope itemtype="https://schema.org/AboutPage">
-	<div class="container">
-		<div class="columns is-centered">
-			<div class="column is-7">
-				<article class="content">
-				<br>
+  <div class="container">
+    <div class="columns is-centered">
+      <div class="column is-7">
+        <article class="content">
+        <br>
         <span class="marginnote rightnote">
           See an archive of all {{ .Type }} <a href="{{ partial "archive-link.html" . }}">here.</a>
         </span>
-        <recent-article>
-				{{ range where .Paginator.Pages ".Params.hidden" "ne" "true" }}
-          {{ .Render "summary" }}
-				{{ end }}
-        </recent-article>
+        <recent-articles>
+          {{ range where .Paginator.Pages ".Params.hidden" "ne" "true" }}
+            {{ .Render "summary" }}
+          {{ end }}
+        </recent-articles>
         </article>
-				{{ partial "pagination.html" . }}
+        {{ partial "pagination.html" . }}
         <br>
         <a href="{{ partial "archive-link.html" . }}" class="front__more is-block has-text-centered">
           <span>Archive of all {{ .Type }}</span> {{ safeHTML (readFile "public/css/icons/feather/corner-down-right.svg") }}
         </a>
-			</div>
-		</div>
-	</div>
+      </div>
+    </div>
+  </div>
 </section>
 {{ end }}
diff --git a/generators/hugo/themes/tdro/layouts/abstracts/section.html b/generators/hugo/themes/tdro/layouts/abstracts/section.html
index bdd4c8d..b4121a2 100644
--- a/generators/hugo/themes/tdro/layouts/abstracts/section.html
+++ b/generators/hugo/themes/tdro/layouts/abstracts/section.html
@@ -8,13 +8,13 @@
           <span class="marginnote rightnote">
             See an archive of all {{ .Type }} <a href="{{ partial "archive-link.html" . }}">here.</a>
           </span>
-          <recent-article>
+          <recent-articles>
             <div class="abstract tile is-ancestor has-text-centered">
               {{ range where .Paginator.Pages ".Params.hidden" "ne" "true" }}
               {{ .Render "summary" }}
               {{ end }}
             </div>
-          </recent-article>
+          </recent-articles>
         </article>
         {{ partial "pagination.html" . }}
         <br>
-- 
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