[BUGFIX] Preserve backslashes in php textrole

Resolves #244

Author: linawolf

packages/typo3-docs-theme/resources/config/typo3-docs-theme.php

@@ -17,6 +17,7 @@
 use T3Docs\Typo3DocsTheme\Directives\YoutubeDirective;
 use T3Docs\Typo3DocsTheme\Inventory\Typo3InventoryRepository;
 use T3Docs\Typo3DocsTheme\TextRoles\IssueReferenceTextRole;
+use T3Docs\Typo3DocsTheme\TextRoles\PhpTextRole;
 use T3Docs\Typo3DocsTheme\Twig\TwigExtension;
 
 use function Symfony\Component\DependencyInjection\Loader\Configurator\param;
@@ -36,6 +37,8 @@
         ->autowire()
         ->set(IssueReferenceTextRole::class)
         ->tag('phpdoc.guides.parser.rst.text_role')
+        ->set(PhpTextRole::class)
+        ->tag('phpdoc.guides.parser.rst.text_role')
 
         ->set(GroupTabDirective::class)
         ->set(T3FieldListTableDirective::class)

packages/typo3-docs-theme/src/TextRoles/PhpTextRole.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace T3Docs\Typo3DocsTheme\TextRoles;
+
+use phpDocumentor\Guides\Nodes\Inline\GenericTextRoleInlineNode;
+use phpDocumentor\Guides\Nodes\Inline\InlineNode;
+use phpDocumentor\Guides\RestructuredText\Parser\DocumentParserContext;
+use phpDocumentor\Guides\RestructuredText\TextRoles\TextRole;
+
+final class PhpTextRole implements TextRole
+{
+    public function getName(): string
+    {
+        return 'php';
+    }
+
+    public function getAliases(): array
+    {
+        return [];
+    }
+
+    public function processNode(DocumentParserContext $documentParserContext, string $role, string $content, string $rawContent): InlineNode
+    {
+        return new GenericTextRoleInlineNode('literal', $rawContent, 'php');
+    }
+}

tests/Integration/tests/code/expected/index.html renamed to tests/Integration/tests/code/code-generic/expected/index.html

@@ -0,0 +1,8 @@
+<!-- content start -->
+                <section class="section" id="php-code">
+            <h1>PHP Code<a class="headerlink" href="#php-code" data-bs-toggle="modal" data-bs-target="#linkReferenceModal"  title="Reference this headline">¶</a></h1>
+
+            <p><code class="code-inline php" translate="no">\T3Docs\Typo3DocsTheme\TextRoles\PhpTextRole</code>.</p>
+    </section>
+
+        <!-- content end -->

tests/Integration/tests/code/input/index.rst renamed to tests/Integration/tests/code/code-generic/input/index.rst

@@ -0,0 +1,5 @@
+========
+PHP Code
+========
+
+:php:`\T3Docs\Typo3DocsTheme\TextRoles\PhpTextRole`.