#1984 support parameter inside "TaggedIterator" attribute

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/dic/container/util/ServiceContainerUtil.java

@@ -70,6 +70,7 @@ public class ServiceContainerUtil {
     };
 
     public static final String AUTOWIRE_ATTRIBUTE_CLASS = "\\Symfony\\Component\\DependencyInjection\\Attribute\\Autowire";
+    public static final String TAGGET_ITERATOR_ATTRIBUTE_CLASS = "\\Symfony\\Component\\DependencyInjection\\Attribute\\TaggedIterator";
 
     @NotNull
     public static Collection<ServiceSerializable> getServicesInFile(@NotNull PsiFile psiFile) {

src/main/java/fr/adrienbrault/idea/symfony2plugin/dic/registrar/DicGotoCompletionRegistrar.java

@@ -3,6 +3,8 @@
 import com.intellij.codeInsight.lookup.LookupElement;
 import com.intellij.patterns.PlatformPatterns;
 import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiElementResolveResult;
+import com.intellij.psi.ResolveResult;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.jetbrains.php.lang.psi.elements.PhpAttribute;
 import com.jetbrains.php.lang.psi.elements.StringLiteralExpression;
@@ -16,6 +18,7 @@
 import fr.adrienbrault.idea.symfony2plugin.stubs.ContainerCollectionResolver;
 import fr.adrienbrault.idea.symfony2plugin.util.MethodMatcher;
 import fr.adrienbrault.idea.symfony2plugin.util.PhpElementsUtil;
+import fr.adrienbrault.idea.symfony2plugin.util.completion.TagNameCompletionProvider;
 import fr.adrienbrault.idea.symfony2plugin.util.dict.ServiceUtil;
 import org.jetbrains.annotations.NotNull;
 
@@ -82,10 +85,27 @@ public void register(@NotNull GotoCompletionRegistrarParameter registrar) {
 
                 PhpAttribute phpAttribute = PsiTreeUtil.getParentOfType(context, PhpAttribute.class);
                 if (phpAttribute != null) {
-                    String fqn = phpAttribute.getFQN();
-                    if (fqn != null && PhpElementsUtil.isInstanceOf(psiElement.getProject(), fqn, ServiceContainerUtil.AUTOWIRE_ATTRIBUTE_CLASS)) {
-                        return new ParameterContributor((StringLiteralExpression) context);
-                    }
+                    return new ParameterContributor((StringLiteralExpression) context);
+                }
+
+                return null;
+            }
+        );
+
+        // #[TaggedIterator('app.handler')] iterable $handlers
+        registrar.register(
+            PlatformPatterns.or(
+                PhpElementsUtil.getFirstAttributeStringPattern(ServiceContainerUtil.TAGGET_ITERATOR_ATTRIBUTE_CLASS),
+                PhpElementsUtil.getAttributeNamedArgumentStringPattern(ServiceContainerUtil.TAGGET_ITERATOR_ATTRIBUTE_CLASS, "tag")
+            ), psiElement -> {
+                PsiElement context = psiElement.getContext();
+                if (!(context instanceof StringLiteralExpression)) {
+                    return null;
+                }
+
+                PhpAttribute phpAttribute = PsiTreeUtil.getParentOfType(context, PhpAttribute.class);
+                if (phpAttribute != null) {
+                    return new TaggedIteratorContributor((StringLiteralExpression) context);
                 }
 
                 return null;
@@ -122,4 +142,27 @@ public Collection<PsiElement> getPsiTargets(PsiElement element) {
             return ServiceUtil.getParameterDefinition(element.getProject(), contents);
         }
     }
+
+    private static class TaggedIteratorContributor extends GotoCompletionProvider {
+        public TaggedIteratorContributor(StringLiteralExpression element) {
+            super(element);
+        }
+
+        @NotNull
+        @Override
+        public Collection<LookupElement> getLookupElements() {
+            return TagNameCompletionProvider.getTagLookupElements(getElement().getProject());
+        }
+
+        @NotNull
+        @Override
+        public Collection<PsiElement> getPsiTargets(PsiElement element) {
+            String contents = GotoCompletionUtil.getStringLiteralValue(element);
+            if(contents == null) {
+                return Collections.emptyList();
+            }
+
+            return new ArrayList<>(ServiceUtil.getTaggedClasses(getElement().getProject(), contents));
+        }
+    }
 }

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/registrar/DicGotoCompletionRegistrarTest.java

@@ -3,7 +3,6 @@
 import com.intellij.patterns.PlatformPatterns;
 import com.jetbrains.php.lang.PhpFileType;
 import fr.adrienbrault.idea.symfony2plugin.tests.SymfonyLightCodeInsightFixtureTestCase;
-import org.jetbrains.yaml.YAMLFileType;
 
 /**
  * @author Daniel Espendiller <daniel@espendiller.net>
@@ -13,8 +12,7 @@ public class DicGotoCompletionRegistrarTest extends SymfonyLightCodeInsightFixtu
     public void setUp() throws Exception {
         super.setUp();
         myFixture.configureFromExistingVirtualFile(myFixture.copyFileToProject("classes.php"));
-        myFixture.configureByText(YAMLFileType.YML, "parameters:\n  foo: foo");
-
+        myFixture.copyFileToProject("services.yml");
     }
 
     public String getTestDataPath() {
@@ -132,4 +130,29 @@ public void testParameterContributorForNamedAttribute() {
             PlatformPatterns.psiElement()
         );
     }
+
+    public void testTagContributorForTaggedIterator() {
+        assertCompletionContains(PhpFileType.INSTANCE, "<?php\n" +
+                "use Symfony\\Component\\DependencyInjection\\Attribute\\TaggedIterator;\n" +
+                "\n" +
+                "class HandlerCollection\n" +
+                "    public function __construct(\n" +
+                "        #[TaggedIterator('<caret>')] iterable $handlers\n" +
+                "    ) {}\n" +
+                "}",
+            "yaml_type_tag"
+        );
+
+        assertNavigationMatch(PhpFileType.INSTANCE, "<?php\n" +
+                "use Symfony\\Component\\DependencyInjection\\Attribute\\TaggedIterator;\n" +
+                "\n" +
+                "class HandlerCollection\n" +
+                "{\n" +
+                "    public function __construct(\n" +
+                "        #[TaggedIterator('yaml_t<caret>ype_tag')] iterable $handlers\n" +
+                "    ) {}\n" +
+                "}",
+            PlatformPatterns.psiElement()
+        );
+    }
 }

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/registrar/fixtures/classes.php

@@ -24,6 +24,17 @@ public function __construct(
             string $expression = null,
         ) {}
     }
+
+    class TaggedIterator
+    {
+        public function __construct(
+            public string $tag,
+            public ?string $indexAttribute = null,
+            public ?string $defaultIndexMethod = null,
+            public ?string $defaultPriorityMethod = null,
+            public string|array $exclude = [],
+        ) {}
+    }
 }
 
 namespace
@@ -46,4 +57,10 @@ public function bar($parameter) {
     }
 }
 
+namespace Foo
+{
+    class Bar
+    {
+    }
+}
 

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/registrar/fixtures/services.yml

@@ -0,0 +1,7 @@
+parameters:
+  foo: foo
+
+services:
+  Foo\Bar:
+    tags:
+      - { name: yaml_type_tag }