1 files changed, 58 insertions, 0 deletions
diff --git a/xml/xml-psi-api/src/com/intellij/psi/XmlRecursiveElementWalkingVisitor.java b/xml/xml-psi-api/src/com/intellij/psi/XmlRecursiveElementWalkingVisitor.java
new file mode 100644
index 000000000000..490eb62eb75e
--- /dev/null
+++ b/xml/xml-psi-api/src/com/intellij/psi/XmlRecursiveElementWalkingVisitor.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2000-2014 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.
+ */
+
+/*
+ * @author max
+ */
+package com.intellij.psi;
+
+import java.util.List;
+
+public class XmlRecursiveElementWalkingVisitor extends XmlElementVisitor {
+  private final boolean myVisitAllFileRoots;
+  private final PsiWalkingState myWalkingState = new PsiWalkingState(this){};
+
+  public XmlRecursiveElementWalkingVisitor() {
+    this(false);
+  }
+
+  public XmlRecursiveElementWalkingVisitor(final boolean visitAllFileRoots) {
+    myVisitAllFileRoots = visitAllFileRoots;
+  }
+
+  @Override
+  public void visitElement(final PsiElement element) {
+    myWalkingState.elementStarted(element);
+  }
+
+  @Override
+  public void visitFile(final PsiFile file) {
+    if (myVisitAllFileRoots) {
+      final FileViewProvider viewProvider = file.getViewProvider();
+      final List<PsiFile> allFiles = viewProvider.getAllFiles();
+      if (allFiles.size() > 1) {
+        if (file == viewProvider.getPsi(viewProvider.getBaseLanguage())) {
+          for (PsiFile lFile : allFiles) {
+            lFile.acceptChildren(this);
+          }
+          return;
+        }
+      }
+    }
+
+    super.visitFile(file);
+  }
+}
+\ No newline at end of file