Breadcrumbs: move method to have it available in tests

platform/editor-ui-api/src/com/intellij/ui/breadcrumbs/BreadcrumbsUtil.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.ui.breadcrumbs;
+
+import com.intellij.lang.Language;
+import org.jetbrains.annotations.NotNull;
+
+public class BreadcrumbsUtil {
+
+  public static BreadcrumbsProvider getInfoProvider(@NotNull Language language) {
+    BreadcrumbsProvider[] providers = BreadcrumbsProvider.EP_NAME.getExtensions();
+    while (language != null) {
+      for (BreadcrumbsProvider provider : providers) {
+        for (Language supported : provider.getLanguages()) {
+          if (language.is(supported)) {
+            return provider;
+          }
+        }
+      }
+      language = language.getBaseLanguage();
+    }
+    return null;
+  }
+}

platform/testFramework/src/com/intellij/testFramework/fixtures/impl/CodeInsightTestFixtureImpl.java

@@ -117,6 +117,7 @@ import com.intellij.testFramework.*;
 import com.intellij.testFramework.fixtures.*;
 import com.intellij.testFramework.utils.inlays.InlayHintsChecker;
 import com.intellij.ui.breadcrumbs.BreadcrumbsProvider;
+import com.intellij.ui.breadcrumbs.BreadcrumbsUtil;
 import com.intellij.ui.components.breadcrumbs.Crumb;
 import com.intellij.usageView.UsageInfo;
 import com.intellij.util.*;
@@ -1791,8 +1792,8 @@ public class CodeInsightTestFixtureImpl extends BaseFixture implements CodeInsig
     }
     final Language language = element.getContainingFile().getLanguage();
 
-    final BreadcrumbsProvider provider = ContainerUtil.find(BreadcrumbsProvider.EP_NAME.getExtensions(),
-                                                            p -> Arrays.asList(p.getLanguages()).contains(language));
+    final BreadcrumbsProvider provider = BreadcrumbsUtil.getInfoProvider(language);
+
     if (provider == null) {
       return Collections.emptyList();
     }

xml/impl/src/com/intellij/xml/breadcrumbs/BreadcrumbsXmlWrapper.java

@@ -48,6 +48,7 @@ import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.*;
 import com.intellij.ui.Gray;
 import com.intellij.ui.breadcrumbs.BreadcrumbsProvider;
+import com.intellij.ui.breadcrumbs.BreadcrumbsUtil;
 import com.intellij.ui.components.breadcrumbs.Crumb;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.ui.MouseEventAdapter;
@@ -241,7 +242,7 @@ public class BreadcrumbsXmlWrapper extends JComponent implements Disposable {
   private static BreadcrumbsProvider findProviderForElement(@NotNull PsiElement element, BreadcrumbsProvider defaultProvider) {
     Language language = element.getLanguage();
     if (!EditorSettingsExternalizable.getInstance().isBreadcrumbsShownFor(language.getID())) return defaultProvider;
-    BreadcrumbsProvider provider = getInfoProvider(language);
+    BreadcrumbsProvider provider = BreadcrumbsUtil.getInfoProvider(language);
     return provider == null ? defaultProvider : provider;
   }
 
@@ -418,11 +419,11 @@ public class BreadcrumbsXmlWrapper extends JComponent implements Disposable {
     Language baseLang = viewProvider.getBaseLanguage();
     if (checkSettings && !settings.isBreadcrumbsShownFor(baseLang.getID())) return null;
 
-    BreadcrumbsProvider provider = getInfoProvider(baseLang);
+    BreadcrumbsProvider provider = BreadcrumbsUtil.getInfoProvider(baseLang);
     if (provider == null) {
       for (Language language : viewProvider.getLanguages()) {
         if (!checkSettings || settings.isBreadcrumbsShownFor(language.getID())) {
-          provider = getInfoProvider(language);
+          provider = BreadcrumbsUtil.getInfoProvider(language);
           if (provider != null) break;
         }
       }
@@ -491,22 +492,6 @@ public class BreadcrumbsXmlWrapper extends JComponent implements Disposable {
     breadcrumbs.setCrumbs(null);
   }
 
-  @Nullable
-  private static BreadcrumbsProvider getInfoProvider(@NotNull Language language) {
-    BreadcrumbsProvider[] providers = BreadcrumbsProvider.EP_NAME.getExtensions();
-    while (language != null) {
-      for (BreadcrumbsProvider provider : providers) {
-        for (Language supported : provider.getLanguages()) {
-          if (language.is(supported)) {
-            return provider;
-          }
-        }
-      }
-      language = language.getBaseLanguage();
-    }
-    return null;
-  }
-
   private static class MyUpdate extends Update {
     private final BreadcrumbsXmlWrapper myBreadcrumbsComponent;