Generators HTML/Markdown: fix whitespace handling in code title

If there were multiple spaces next to each other in the title, this would be folded into one space for the display in HTML and Markdown.

This could mangle the code title, so fixed now.

Includes updated test expectations.

Author: jrfnl

src/Generators/HTML.php

@@ -281,15 +281,17 @@ protected function printCodeComparisonBlock(DOMNode $node)
     {
         $codeBlocks = $node->getElementsByTagName('code');
 
-        $firstTitle = $codeBlocks->item(0)->getAttribute('title');
+        $firstTitle = trim($codeBlocks->item(0)->getAttribute('title'));
+        $firstTitle = str_replace('  ', '  ', $firstTitle);
         $first      = trim($codeBlocks->item(0)->nodeValue);
         $first      = str_replace('<?php', '&lt;?php', $first);
         $first      = str_replace("\n", '</br>', $first);
         $first      = str_replace(' ', '&nbsp;', $first);
         $first      = str_replace('<em>', '<span class="code-comparison-highlight">', $first);
         $first      = str_replace('</em>', '</span>', $first);
 
-        $secondTitle = $codeBlocks->item(1)->getAttribute('title');
+        $secondTitle = trim($codeBlocks->item(1)->getAttribute('title'));
+        $secondTitle = str_replace('  ', '&nbsp;&nbsp;', $secondTitle);
         $second      = trim($codeBlocks->item(1)->nodeValue);
         $second      = str_replace('<?php', '&lt;?php', $second);
         $second      = str_replace("\n", '</br>', $second);

src/Generators/Markdown.php

@@ -140,13 +140,15 @@ protected function printCodeComparisonBlock(DOMNode $node)
     {
         $codeBlocks = $node->getElementsByTagName('code');
 
-        $firstTitle = $codeBlocks->item(0)->getAttribute('title');
+        $firstTitle = trim($codeBlocks->item(0)->getAttribute('title'));
+        $firstTitle = str_replace('  ', '  ', $firstTitle);
         $first      = trim($codeBlocks->item(0)->nodeValue);
         $first      = str_replace("\n", PHP_EOL.'    ', $first);
         $first      = str_replace('<em>', '', $first);
         $first      = str_replace('</em>', '', $first);
 
-        $secondTitle = $codeBlocks->item(1)->getAttribute('title');
+        $secondTitle = trim($codeBlocks->item(1)->getAttribute('title'));
+        $secondTitle = str_replace('  ', '&nbsp;&nbsp;', $secondTitle);
         $second      = trim($codeBlocks->item(1)->nodeValue);
         $second      = str_replace("\n", PHP_EOL.'    ', $second);
         $second      = str_replace('<em>', '', $second);

tests/Core/Generators/Expectations/ExpectedOutputCodeTitleWhitespace.html

@@ -75,8 +75,8 @@ <h2>Code Title, whitespace handling</h2>
   <p class="text">This is a standard block.</p>
   <table class="code-comparison">
    <tr>
-    <td class="code-comparison-title">  Valid: spaces at start of description.</td>
-    <td class="code-comparison-title">Invalid: spaces at end making line > 46 chars.   </td>
+    <td class="code-comparison-title">Valid: spaces at start of description.</td>
+    <td class="code-comparison-title">Invalid: spaces at end making line > 46 chars.</td>
    </tr>
    <tr>
     <td class="code-comparison-code">//&nbsp;Dummy.</td>
@@ -85,8 +85,8 @@ <h2>Code Title, whitespace handling</h2>
   </table>
   <table class="code-comparison">
    <tr>
-    <td class="code-comparison-title">  Valid: spaces at start + end of description.   </td>
-    <td class="code-comparison-title">Invalid: spaces '     ' in description.</td>
+    <td class="code-comparison-title">Valid: spaces at start + end of description.</td>
+    <td class="code-comparison-title">Invalid: spaces '&nbsp;&nbsp;&nbsp;&nbsp; ' in description.</td>
    </tr>
    <tr>
     <td class="code-comparison-code">//&nbsp;Note:&nbsp;description&nbsp;above&nbsp;without&nbsp;the</br>//&nbsp;trailing&nbsp;whitespace&nbsp;fits&nbsp;in&nbsp;46&nbsp;chars.</td>

tests/Core/Generators/Expectations/ExpectedOutputCodeTitleWhitespace.md

@@ -5,8 +5,8 @@
 This is a standard block.
   <table>
    <tr>
-    <th>  Valid: spaces at start of description.</th>
-    <th>Invalid: spaces at end making line > 46 chars.   </th>
+    <th>Valid: spaces at start of description.</th>
+    <th>Invalid: spaces at end making line > 46 chars.</th>
    </tr>
    <tr>
 <td>
@@ -23,8 +23,8 @@ This is a standard block.
   </table>
   <table>
    <tr>
-    <th>  Valid: spaces at start + end of description.   </th>
-    <th>Invalid: spaces '     ' in description.</th>
+    <th>Valid: spaces at start + end of description.</th>
+    <th>Invalid: spaces '&nbsp;&nbsp;&nbsp;&nbsp; ' in description.</th>
    </tr>
    <tr>
 <td>