1 files changed, 53 insertions, 0 deletions
diff --git a/include/androidfw/AttributeResolution.h b/include/androidfw/AttributeResolution.h
new file mode 100644
index 000000000000..2f60a1d12a20
--- /dev/null
+++ b/include/androidfw/AttributeResolution.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef ANDROIDFW_ATTRIBUTERESOLUTION_H
+#define ANDROIDFW_ATTRIBUTERESOLUTION_H
+
+#include <androidfw/ResourceTypes.h>
+
+namespace android {
+
+// These are all variations of the same method. They each perform the exact same operation,
+// but on various data sources. I *think* they are re-written to avoid an extra branch
+// in the inner loop, but after one branch miss (some pointer != null), the branch predictor should
+// predict the rest of the iterations' branch correctly.
+// TODO(adamlesinski): Run performance tests against these methods and a new, single method
+// that uses all the sources and branches to the right ones within the inner loop.
+
+bool resolveAttrs(ResTable::Theme* theme,
+                  uint32_t defStyleAttr,
+                  uint32_t defStyleRes,
+                  uint32_t* srcValues, size_t srcValuesLength,
+                  uint32_t* attrs, size_t attrsLength,
+                  uint32_t* outValues,
+                  uint32_t* outIndices);
+
+bool applyStyle(ResTable::Theme* theme, ResXMLParser* xmlParser,
+                uint32_t defStyleAttr,
+                uint32_t defStyleRes,
+                uint32_t* attrs, size_t attrsLength,
+                uint32_t* outValues,
+                uint32_t* outIndices);
+
+bool retrieveAttributes(const ResTable* res, ResXMLParser* xmlParser,
+                        uint32_t* attrs, size_t attrsLength,
+                        uint32_t* outValues,
+                        uint32_t* outIndices);
+
+} // namespace android
+
+#endif /* ANDROIDFW_ATTRIBUTERESOLUTION_H */