Use Google3 style guide with .clang-format

Test: style change only, builds ok
Change-Id: I885180e24cb2e7b58cfb4967c3bcb40058ce4078
diff --git a/tools/aapt2/link/XmlReferenceLinker.cpp b/tools/aapt2/link/XmlReferenceLinker.cpp
index 59ffe15..945f98a 100644
--- a/tools/aapt2/link/XmlReferenceLinker.cpp
+++ b/tools/aapt2/link/XmlReferenceLinker.cpp
@@ -29,146 +29,156 @@
 namespace {
 
 /**
- * Visits all references (including parents of styles, references in styles, arrays, etc) and
- * links their symbolic name to their Resource ID, performing mangling and package aliasing
+ * Visits all references (including parents of styles, references in styles,
+ * arrays, etc) and
+ * links their symbolic name to their Resource ID, performing mangling and
+ * package aliasing
  * as needed.
  */
 class ReferenceVisitor : public ValueVisitor {
-public:
-    using ValueVisitor::visit;
+ public:
+  using ValueVisitor::visit;
 
-    ReferenceVisitor(IAaptContext* context, SymbolTable* symbols, xml::IPackageDeclStack* decls,
-                     CallSite* callSite) :
-             mContext(context), mSymbols(symbols), mDecls(decls), mCallSite(callSite),
-             mError(false) {
+  ReferenceVisitor(IAaptContext* context, SymbolTable* symbols,
+                   xml::IPackageDeclStack* decls, CallSite* callSite)
+      : mContext(context),
+        mSymbols(symbols),
+        mDecls(decls),
+        mCallSite(callSite),
+        mError(false) {}
+
+  void visit(Reference* ref) override {
+    if (!ReferenceLinker::linkReference(ref, mContext, mSymbols, mDecls,
+                                        mCallSite)) {
+      mError = true;
     }
+  }
 
-    void visit(Reference* ref) override {
-        if (!ReferenceLinker::linkReference(ref, mContext, mSymbols, mDecls, mCallSite)) {
-            mError = true;
-        }
-    }
+  bool hasError() const { return mError; }
 
-    bool hasError() const {
-        return mError;
-    }
-
-private:
-    IAaptContext* mContext;
-    SymbolTable* mSymbols;
-    xml::IPackageDeclStack* mDecls;
-    CallSite* mCallSite;
-    bool mError;
+ private:
+  IAaptContext* mContext;
+  SymbolTable* mSymbols;
+  xml::IPackageDeclStack* mDecls;
+  CallSite* mCallSite;
+  bool mError;
 };
 
 /**
  * Visits each xml Element and compiles the attributes within.
  */
 class XmlVisitor : public xml::PackageAwareVisitor {
-public:
-    using xml::PackageAwareVisitor::visit;
+ public:
+  using xml::PackageAwareVisitor::visit;
 
-    XmlVisitor(IAaptContext* context, SymbolTable* symbols, const Source& source,
-               std::set<int>* sdkLevelsFound, CallSite* callSite) :
-            mContext(context), mSymbols(symbols), mSource(source), mSdkLevelsFound(sdkLevelsFound),
-            mCallSite(callSite), mReferenceVisitor(context, symbols, this, callSite) {
-    }
+  XmlVisitor(IAaptContext* context, SymbolTable* symbols, const Source& source,
+             std::set<int>* sdkLevelsFound, CallSite* callSite)
+      : mContext(context),
+        mSymbols(symbols),
+        mSource(source),
+        mSdkLevelsFound(sdkLevelsFound),
+        mCallSite(callSite),
+        mReferenceVisitor(context, symbols, this, callSite) {}
 
-    void visit(xml::Element* el) override {
-        const Source source = mSource.withLine(el->lineNumber);
-        for (xml::Attribute& attr : el->attributes) {
-            Maybe<xml::ExtractedPackage> maybePackage =
-                    xml::extractPackageFromNamespace(attr.namespaceUri);
-            if (maybePackage) {
-                // There is a valid package name for this attribute. We will look this up.
-                StringPiece package = maybePackage.value().package;
-                if (package.empty()) {
-                    // Empty package means the 'current' or 'local' package.
-                    package = mContext->getCompilationPackage();
-                }
-
-                Reference attrRef(ResourceNameRef(package, ResourceType::kAttr, attr.name));
-                attrRef.privateReference = maybePackage.value().privateNamespace;
-
-                std::string errStr;
-                attr.compiledAttribute = ReferenceLinker::compileXmlAttribute(
-                        attrRef, mContext->getNameMangler(), mSymbols, mCallSite, &errStr);
-
-                // Convert the string value into a compiled Value if this is a valid attribute.
-                if (attr.compiledAttribute) {
-                    if (attr.compiledAttribute.value().id) {
-                        // Record all SDK levels from which the attributes were defined.
-                        const size_t sdkLevel = findAttributeSdkLevel(
-                                attr.compiledAttribute.value().id.value());
-                        if (sdkLevel > 1) {
-                            mSdkLevelsFound->insert(sdkLevel);
-                        }
-                    }
-
-                    const Attribute* attribute = &attr.compiledAttribute.value().attribute;
-                    attr.compiledValue = ResourceUtils::tryParseItemForAttribute(attr.value,
-                                                                              attribute);
-                    if (!attr.compiledValue &&
-                            !(attribute->typeMask & android::ResTable_map::TYPE_STRING)) {
-                        // We won't be able to encode this as a string.
-                        mContext->getDiagnostics()->error(
-                                DiagMessage(source) << "'" << attr.value << "' "
-                                                    << "is incompatible with attribute "
-                                                    << package << ":" << attr.name << " "
-                                                    << *attribute);
-                        mError = true;
-                    }
-
-                } else {
-                    mContext->getDiagnostics()->error(DiagMessage(source)
-                                                      << "attribute '" << package << ":"
-                                                      << attr.name << "' " << errStr);
-                    mError = true;
-
-                }
-            } else if (!attr.compiledValue) {
-                // We still encode references, but only if we haven't manually set this to
-                // another compiled value.
-                attr.compiledValue = ResourceUtils::tryParseReference(attr.value);
-            }
-
-            if (attr.compiledValue) {
-                // With a compiledValue, we must resolve the reference and assign it an ID.
-                attr.compiledValue->setSource(source);
-                attr.compiledValue->accept(&mReferenceVisitor);
-            }
+  void visit(xml::Element* el) override {
+    const Source source = mSource.withLine(el->lineNumber);
+    for (xml::Attribute& attr : el->attributes) {
+      Maybe<xml::ExtractedPackage> maybePackage =
+          xml::extractPackageFromNamespace(attr.namespaceUri);
+      if (maybePackage) {
+        // There is a valid package name for this attribute. We will look this
+        // up.
+        StringPiece package = maybePackage.value().package;
+        if (package.empty()) {
+          // Empty package means the 'current' or 'local' package.
+          package = mContext->getCompilationPackage();
         }
 
-        // Call the super implementation.
-        xml::PackageAwareVisitor::visit(el);
+        Reference attrRef(
+            ResourceNameRef(package, ResourceType::kAttr, attr.name));
+        attrRef.privateReference = maybePackage.value().privateNamespace;
+
+        std::string errStr;
+        attr.compiledAttribute = ReferenceLinker::compileXmlAttribute(
+            attrRef, mContext->getNameMangler(), mSymbols, mCallSite, &errStr);
+
+        // Convert the string value into a compiled Value if this is a valid
+        // attribute.
+        if (attr.compiledAttribute) {
+          if (attr.compiledAttribute.value().id) {
+            // Record all SDK levels from which the attributes were defined.
+            const size_t sdkLevel = findAttributeSdkLevel(
+                attr.compiledAttribute.value().id.value());
+            if (sdkLevel > 1) {
+              mSdkLevelsFound->insert(sdkLevel);
+            }
+          }
+
+          const Attribute* attribute =
+              &attr.compiledAttribute.value().attribute;
+          attr.compiledValue =
+              ResourceUtils::tryParseItemForAttribute(attr.value, attribute);
+          if (!attr.compiledValue &&
+              !(attribute->typeMask & android::ResTable_map::TYPE_STRING)) {
+            // We won't be able to encode this as a string.
+            mContext->getDiagnostics()->error(
+                DiagMessage(source) << "'" << attr.value << "' "
+                                    << "is incompatible with attribute "
+                                    << package << ":" << attr.name << " "
+                                    << *attribute);
+            mError = true;
+          }
+
+        } else {
+          mContext->getDiagnostics()->error(DiagMessage(source)
+                                            << "attribute '" << package << ":"
+                                            << attr.name << "' " << errStr);
+          mError = true;
+        }
+      } else if (!attr.compiledValue) {
+        // We still encode references, but only if we haven't manually set this
+        // to
+        // another compiled value.
+        attr.compiledValue = ResourceUtils::tryParseReference(attr.value);
+      }
+
+      if (attr.compiledValue) {
+        // With a compiledValue, we must resolve the reference and assign it an
+        // ID.
+        attr.compiledValue->setSource(source);
+        attr.compiledValue->accept(&mReferenceVisitor);
+      }
     }
 
-    bool hasError() {
-        return mError || mReferenceVisitor.hasError();
-    }
+    // Call the super implementation.
+    xml::PackageAwareVisitor::visit(el);
+  }
 
-private:
-    IAaptContext* mContext;
-    SymbolTable* mSymbols;
-    Source mSource;
-    std::set<int>* mSdkLevelsFound;
-    CallSite* mCallSite;
-    ReferenceVisitor mReferenceVisitor;
-    bool mError = false;
+  bool hasError() { return mError || mReferenceVisitor.hasError(); }
+
+ private:
+  IAaptContext* mContext;
+  SymbolTable* mSymbols;
+  Source mSource;
+  std::set<int>* mSdkLevelsFound;
+  CallSite* mCallSite;
+  ReferenceVisitor mReferenceVisitor;
+  bool mError = false;
 };
 
-} // namespace
+}  // namespace
 
-bool XmlReferenceLinker::consume(IAaptContext* context, xml::XmlResource* resource) {
-    mSdkLevelsFound.clear();
-    CallSite callSite = { resource->file.name };
-    XmlVisitor visitor(context, context->getExternalSymbols(), resource->file.source,
-                       &mSdkLevelsFound, &callSite);
-    if (resource->root) {
-        resource->root->accept(&visitor);
-        return !visitor.hasError();
-    }
-    return false;
+bool XmlReferenceLinker::consume(IAaptContext* context,
+                                 xml::XmlResource* resource) {
+  mSdkLevelsFound.clear();
+  CallSite callSite = {resource->file.name};
+  XmlVisitor visitor(context, context->getExternalSymbols(),
+                     resource->file.source, &mSdkLevelsFound, &callSite);
+  if (resource->root) {
+    resource->root->accept(&visitor);
+    return !visitor.hasError();
+  }
+  return false;
 }
 
-} // namespace aapt
+}  // namespace aapt