[indent-detector] do not build injected blocks in xml

platform/platform-tests/testSrc/com/intellij/psi/autodetect/AbstractIndentAutoDetectionTest.java

@@ -56,8 +56,14 @@ public abstract class AbstractIndentAutoDetectionTest extends LightPlatformCodeI
   }
 
   protected void doTestIndentSize(int expectedIndent) {
+    configureByFile(getFileNameWithExtension());
     doTestIndentSize(null, expectedIndent);
   }
+  
+  protected void doTestIndentSizeFromText(String text, @Nullable CommonCodeStyleSettings.IndentOptions options,  int expectedIndent) {
+    configureFromFileText(getFileNameWithExtension(), text);
+    doTestIndentSize(options, expectedIndent);
+  }
 
   protected void doTestTabsUsed(@Nullable CommonCodeStyleSettings.IndentOptions defaultIndentOptions) {
     configureByFile(getFileNameWithExtension());
@@ -70,9 +76,7 @@ public abstract class AbstractIndentAutoDetectionTest extends LightPlatformCodeI
     Assert.assertTrue("Tab usage not detected", options.USE_TAB_CHARACTER);
   }
 
-  private void doTestIndentSize(@Nullable CommonCodeStyleSettings.IndentOptions defaultIndentOptions, int expectedIndent) {
-    configureByFile(getFileNameWithExtension());
-
+  private static void doTestIndentSize(@Nullable CommonCodeStyleSettings.IndentOptions defaultIndentOptions, int expectedIndent) {
     if (defaultIndentOptions != null) {
       setIndentOptions(defaultIndentOptions);
     }

xml/impl/src/com/intellij/psi/formatter/xml/AbstractXmlBlock.java

@@ -201,10 +201,11 @@ public abstract class AbstractXmlBlock extends AbstractBlock {
       processSimpleChild(child, indent, result, wrap, alignment);
       return child;
     }
-    else {
+    else if (!isBuildIndentsOnly()) {
       myInjectedBlockBuilder.addInjectedLanguageBlockWrapper(result, child, indent, 0, null);
-      return child;
     }
+    
+    return child;
   }
 
   protected boolean doesNotIntersectSubTagsWith(final PsiElement tag) {
@@ -435,6 +436,8 @@ public abstract class AbstractXmlBlock extends AbstractBlock {
   }
 
   protected boolean buildInjectedPsiBlocks(List<Block> result, final ASTNode child, Wrap wrap, Alignment alignment, Indent indent) {
+    if (isBuildIndentsOnly()) return false;
+    
     if (myInjectedBlockBuilder.addInjectedBlocks(result, child, wrap, alignment, indent)) {
       return true;
     }