[FEATURE] Add option to create an automatic menu

packages/guides-cli/resources/schema/guides.xsd

@@ -31,6 +31,7 @@
         <xsd:attribute name="theme" type="xsd:string"/>
         <xsd:attribute name="default-code-language" type="xsd:string"/>
         <xsd:attribute name="links-are-relative" type="xsd:string"/>
+        <xsd:attribute name="automatic-menu" type="xsd:string"/>
         <xsd:attribute name="max-menu-depth" type="xsd:int"/>
 
     </xsd:complexType>

packages/guides-markdown/src/Markdown/MarkupLanguageParser.php

@@ -24,6 +24,8 @@
 use phpDocumentor\Guides\Nodes\DocumentNode;
 use phpDocumentor\Guides\Nodes\Node;
 use phpDocumentor\Guides\ParserContext;
+use phpDocumentor\Guides\Settings\ProjectSettings;
+use phpDocumentor\Guides\Settings\SettingsManager;
 use Psr\Log\LoggerInterface;
 use RuntimeException;
 
@@ -40,16 +42,21 @@ final class MarkupLanguageParser implements MarkupLanguageParserInterface
 
     private DocumentNode|null $document = null;
 
+    private SettingsManager $settingsManager;
+
     /** @param iterable<ParserInterface<Node>> $parsers */
     public function __construct(
         private readonly LoggerInterface $logger,
         private readonly iterable $parsers,
+        SettingsManager|null $settingsManager,
     ) {
         $cmEnvironment = new CommonMarkEnvironment(['html_input' => 'strip']);
         $cmEnvironment->addExtension(new CommonMarkCoreExtension());
         $cmEnvironment->addExtension(new TableExtension());
         $cmEnvironment->addExtension(new AutolinkExtension());
         $this->markdownParser = new MarkdownParser($cmEnvironment);
+        // if for backward compatibility reasons no settings manager was passed, use the defaults
+        $this->settingsManager = $settingsManager ?? new SettingsManager(new ProjectSettings());
     }
 
     public function supports(string $inputFormat): bool
@@ -69,7 +76,7 @@ public function parse(ParserContext $parserContext, string $contents): DocumentN
     private function parseDocument(NodeWalker $walker, string $hash): DocumentNode
     {
         $document = new DocumentNode($hash, ltrim($this->getParserContext()->getCurrentAbsolutePath(), '/'));
-        $document->setOrphan(true);
+        $document->setOrphan(!$this->settingsManager->getProjectSettings()->isAutomaticMenu());
         $this->document = $document;
 
         while ($event = $walker->next()) {

packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/TocNodeReplacementTransformer.php

@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of phpDocumentor.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @link https://phpdoc.org
+ */
+
+namespace phpDocumentor\Guides\Compiler\NodeTransformers\MenuNodeTransformers;
+
+use phpDocumentor\Guides\Compiler\CompilerContextInterface;
+use phpDocumentor\Guides\Compiler\NodeTransformer;
+use phpDocumentor\Guides\Nodes\Menu\MenuNode;
+use phpDocumentor\Guides\Nodes\Menu\NavMenuNode;
+use phpDocumentor\Guides\Nodes\Menu\TocNode;
+use phpDocumentor\Guides\Nodes\Node;
+use phpDocumentor\Guides\Settings\SettingsManager;
+use Psr\Log\LoggerInterface;
+
+/** @implements NodeTransformer<MenuNode> */
+final class TocNodeReplacementTransformer implements NodeTransformer
+{
+    public function __construct(
+        private readonly LoggerInterface $logger,
+        private readonly SettingsManager $settingsManager,
+    ) {
+    }
+
+    public function enterNode(Node $node, CompilerContextInterface $compilerContext): Node
+    {
+        return $node;
+    }
+
+    public function leaveNode(Node $node, CompilerContextInterface $compilerContext): Node|null
+    {
+        if (!$node instanceof TocNode) {
+            return $node;
+        }
+
+        if (!$this->settingsManager->getProjectSettings()->isAutomaticMenu()) {
+            return $node;
+        }
+
+        if ($node->hasOption('hidden')) {
+            $this->logger->warning('The `.. toctree::` directive with option `:hidden:` is not supported in automatic-menu mode. ', $compilerContext->getLoggerInformation());
+
+            return null;
+        }
+
+        $this->logger->warning('The `.. toctree::` directive is not supported in automatic-menu mode. Use `.. menu::` instead. ', $compilerContext->getLoggerInformation());
+        $menuNode = new NavMenuNode($node->getMenuEntries());
+        $menuNode = $menuNode->withOptions($node->getOptions());
+        $menuNode = $menuNode->withCaption($node->getCaption());
+
+        return $menuNode;
+    }
+
+    public function supports(Node $node): bool
+    {
+        return $node instanceof TocNode;
+    }
+
+    public function getPriority(): int
+    {
+        return 20_000;
+    }
+}

packages/guides/src/Compiler/Passes/AutomaticMenuPass.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of phpDocumentor.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @link https://phpdoc.org
+ */
+
+namespace phpDocumentor\Guides\Compiler\Passes;
+
+use phpDocumentor\Guides\Compiler\CompilerContextInterface;
+use phpDocumentor\Guides\Compiler\CompilerPass;
+use phpDocumentor\Guides\Nodes\DocumentNode;
+use phpDocumentor\Guides\Settings\SettingsManager;
+
+final class AutomaticMenuPass implements CompilerPass
+{
+    public function __construct(
+        private readonly SettingsManager $settingsManager,
+    ) {
+    }
+
+    public function getPriority(): int
+    {
+        return 20; // must be run very late
+    }
+
+    /**
+     * @param DocumentNode[] $documents
+     *
+     * @return DocumentNode[]
+     */
+    public function run(array $documents, CompilerContextInterface $compilerContext): array
+    {
+        if (!$this->settingsManager->getProjectSettings()->isAutomaticMenu()) {
+            return $documents;
+        }
+
+        $projectNode = $compilerContext->getProjectNode();
+        $rootDocumentEntry = $projectNode->getRootDocumentEntry();
+        foreach ($documents as $documentNode) {
+            if ($documentNode->isOrphan()) {
+                // Do not add orphans to the automatic menu
+                continue;
+            }
+
+            if ($documentNode->isRoot()) {
+                continue;
+            }
+
+            $documentEntry = $projectNode->getDocumentEntry($documentNode->getFilePath());
+            $documentEntry->setParent($rootDocumentEntry);
+            $rootDocumentEntry->addChild($documentEntry);
+        }
+
+        return $documents;
+    }
+}

packages/guides/src/Compiler/Passes/GlobalMenuPass.php

@@ -30,6 +30,7 @@
 
 use function array_map;
 use function assert;
+use function count;
 
 use const PHP_INT_MAX;
 
@@ -56,7 +57,7 @@ public function run(array $documents, CompilerContextInterface $compilerContext)
         try {
             $rootDocumentEntry = $projectNode->getRootDocumentEntry();
         } catch (Throwable) {
-            // Todo: Functional tests have not root document entry
+            // Todo: Functional tests have no root document entry
             return $documents;
         }
 
@@ -78,11 +79,27 @@ public function run(array $documents, CompilerContextInterface $compilerContext)
             $menuNodes[] = $menuNode->withCaption($tocNode->getCaption());
         }
 
+        if ($this->settingsManager->getProjectSettings()->isAutomaticMenu() && count($menuNodes) === 0) {
+            $menuNodes[] = $this->getNavMenuNodeFromDocumentEntries($compilerContext);
+        }
+
         $projectNode->setGlobalMenues($menuNodes);
 
         return $documents;
     }
 
+    private function getNavMenuNodeFromDocumentEntries(CompilerContextInterface $compilerContext): NavMenuNode
+    {
+        $menuEntries = [];
+        $rootDocumentEntry = $compilerContext->getProjectNode()->getRootDocumentEntry();
+        foreach ($rootDocumentEntry->getChildren() as $documentEntryNode) {
+            $newMenuEntry = new InternalMenuEntryNode($documentEntryNode->getFile(), $documentEntryNode->getTitle(), [], false, 1);
+            $menuEntries[] = $newMenuEntry;
+        }
+
+        return new NavMenuNode($menuEntries);
+    }
+
     private function getNavMenuNodefromTocNode(CompilerContextInterface $compilerContext, TocNode $tocNode, string|null $menuType = null): NavMenuNode
     {
         $self = $this;

packages/guides/src/Compiler/Passes/ToctreeValidationPass.php

@@ -18,13 +18,20 @@
 use phpDocumentor\Guides\Nodes\DocumentNode;
 use phpDocumentor\Guides\Nodes\DocumentTree\DocumentEntryNode;
 use phpDocumentor\Guides\Nodes\ProjectNode;
+use phpDocumentor\Guides\Settings\ProjectSettings;
+use phpDocumentor\Guides\Settings\SettingsManager;
 use Psr\Log\LoggerInterface;
 
 final class ToctreeValidationPass implements CompilerPass
 {
+    private SettingsManager $settingsManager;
+
     public function __construct(
         private readonly LoggerInterface $logger,
+        SettingsManager|null $settingsManager = null,
     ) {
+        // if for backward compatibility reasons no settings manager was passed, use the defaults
+        $this->settingsManager = $settingsManager ?? new SettingsManager(new ProjectSettings());
     }
 
     public function getPriority(): int
@@ -39,6 +46,10 @@ public function getPriority(): int
      */
     public function run(array $documents, CompilerContextInterface $compilerContext): array
     {
+        if ($this->settingsManager->getProjectSettings()->isAutomaticMenu()) {
+            return $documents;
+        }
+
         $projectNode = $compilerContext->getProjectNode();
 
         foreach ($documents as $document) {

packages/guides/src/DependencyInjection/GuidesExtension.php

@@ -143,6 +143,7 @@ static function ($value) {
                 ->scalarNode('show_progress')->end()
                 ->scalarNode('links_are_relative')->end()
                 ->scalarNode('max_menu_depth')->end()
+                ->scalarNode('automatic_menu')->end()
                 ->arrayNode('base_template_paths')
                     ->defaultValue([])
                     ->scalarPrototype()->end()
@@ -278,6 +279,10 @@ public function load(array $configs, ContainerBuilder $container): void
             $projectSettings->setMaxMenuDepth((int) $config['max_menu_depth']);
         }
 
+        if (isset($config['automatic_menu'])) {
+            $projectSettings->setAutomaticMenu((bool) $config['automatic_menu']);
+        }
+
         if (isset($config['default_code_language'])) {
             $projectSettings->setDefaultCodeLanguage((string) $config['default_code_language']);
         }

packages/guides/src/Settings/ProjectSettings.php

@@ -35,6 +35,7 @@ final class ProjectSettings
     private bool $linksRelative = false;
     private string $defaultCodeLanguage = '';
     private int $maxMenuDepth = 0;
+    private bool $automaticMenu = false;
 
     /** @var string[] */
     private array $ignoredDomains = [];
@@ -243,4 +244,16 @@ public function setIndexName(string $indexName): ProjectSettings
 
         return $this;
     }
+
+    public function isAutomaticMenu(): bool
+    {
+        return $this->automaticMenu;
+    }
+
+    public function setAutomaticMenu(bool $automaticMenu): ProjectSettings
+    {
+        $this->automaticMenu = $automaticMenu;
+
+        return $this;
+    }
 }