IDEA-64695 android: fix red code in xsd file

plugins/android/src/org/jetbrains/android/AndroidXmlSchemaProvider.java

@@ -16,12 +16,14 @@
 
 package org.jetbrains.android;
 
+import com.android.sdklib.SdkConstants;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.util.Computable;
 import com.intellij.openapi.util.Key;
 import com.intellij.openapi.vfs.VfsUtil;
 import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.PsiDirectory;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiManager;
 import com.intellij.psi.util.CachedValue;
@@ -30,20 +32,19 @@ import com.intellij.psi.util.CachedValuesManager;
 import com.intellij.psi.util.PsiModificationTracker;
 import com.intellij.psi.xml.XmlFile;
 import com.intellij.xml.XmlSchemaProvider;
-import com.android.sdklib.SdkConstants;
 import gnu.trove.THashMap;
+import org.jetbrains.android.dom.manifest.ManifestDomFileDescription;
 import org.jetbrains.android.facet.AndroidFacet;
 import org.jetbrains.android.resourceManagers.ResourceManager;
-import org.jetbrains.android.dom.manifest.ManifestDomFileDescription;
 import org.jetbrains.android.util.AndroidUtils;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.net.URL;
+import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
-import java.util.HashSet;
 
 /**
  * Created by IntelliJ IDEA.
@@ -87,7 +88,8 @@ public class AndroidXmlSchemaProvider extends XmlSchemaProvider {
   public boolean isAvailable(@NotNull final XmlFile file) {
     return ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() {
       public Boolean compute() {
-        if (ResourceManager.isInResourceSubdirectory(file, null) || ManifestDomFileDescription.isManifestFile(file)) {
+        if (isXmlResourceFile(file) ||
+            ManifestDomFileDescription.isManifestFile(file)) {
           return AndroidFacet.getInstance(file) != null;
         }
         return false;
@@ -95,6 +97,24 @@ public class AndroidXmlSchemaProvider extends XmlSchemaProvider {
     });
   }
 
+  private static boolean isXmlResourceFile(XmlFile file) {
+    if (!ResourceManager.isInResourceSubdirectory(file, null)) {
+      return false;
+    }
+
+    final PsiDirectory parent = file.getParent();
+    if (parent == null) {
+      return false;
+    }
+
+    final String resType = ResourceManager.getResourceTypeByDirName(parent.getName());
+    if (resType == null) {
+      return false;
+    }
+
+    return !resType.equals("raw");
+  }
+
   @NotNull
   @Override
   public Set<String> getAvailableNamespaces(@NotNull XmlFile file, @Nullable String tagName) {

plugins/android/testData/dom/layout/XsdFile.xsd

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema
+        xmlns:ex="urn:some-exmaple"
+        targetNamespace="urn:some-exmaple"
+        xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
+
+    <xs:element name="foo" type="ex:foo"/>
+
+    <xs:complexType name="foo">
+        <xs:sequence>
+        <xs:element name="bar" type="xs:string"/>
+        </xs:sequence>
+    </xs:complexType>
+</xs:schema>

plugins/android/testSrc/org/jetbrains/android/dom/AndroidLayoutDomTest.java

@@ -356,7 +356,19 @@ public class AndroidLayoutDomTest extends AndroidDomTest {
         actions.get(0).invoke(getProject(), myFixture.getEditor(), myFixture.getFile());
       }
     }.execute();
-    myFixture.checkResultByFile("res/values/drawables.xml", testFolder + '/' +  getTestName(true) + "_drawable_after.xml", true);
+    myFixture.checkResultByFile("res/values/drawables.xml", testFolder + '/' + getTestName(true) + "_drawable_after.xml", true);
+  }
+
+  public void testXsdFile1() throws Throwable {
+    final VirtualFile virtualFile = copyFileToProject("XsdFile.xsd", "res/raw/XsdFile.xsd");
+    myFixture.configureFromExistingVirtualFile(virtualFile);
+    myFixture.checkHighlighting(false, false, false);
+  }
+
+  public void testXsdFile2() throws Throwable {
+    final VirtualFile virtualFile = copyFileToProject("XsdFile.xsd", "res/assets/XsdFile.xsd");
+    myFixture.configureFromExistingVirtualFile(virtualFile);
+    myFixture.checkHighlighting(false, false, false);
   }
 
   private void copyOnClickClasses() throws IOException {