upload android base code part6

android/system/tools/hidl/Annotation.h

@@ -0,0 +1,73 @@
+/*
+ * 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 ANNOTATION_H_
+
+#define ANNOTATION_H_
+
+#include <android-base/macros.h>
+#include <map>
+#include <string>
+
+#include "ConstantExpression.h"
+
+namespace android {
+
+struct Formatter;
+
+struct AnnotationParam {
+    AnnotationParam(const std::string &name,
+                    std::vector<std::string> *values);
+    AnnotationParam(const std::string &name,
+                    std::vector<ConstantExpression *> *values);
+
+    const std::string &getName() const;
+    const std::vector<std::string> *getValues() const;
+
+    const std::string &getSingleValue() const;
+
+    /* Returns unquoted version of getSingleValue */
+    std::string getSingleString() const;
+
+    /* Returns value interpretted as a boolean */
+    bool getSingleBool() const;
+
+private:
+    const std::string mName;
+    std::vector<std::string> *mValues;
+};
+
+using AnnotationParamVector = std::vector<const AnnotationParam*>;
+
+struct Annotation {
+    Annotation(const char *name, AnnotationParamVector *params);
+
+    std::string name() const;
+    const AnnotationParamVector &params() const;
+    const AnnotationParam *getParam(const std::string &name) const;
+
+    void dump(Formatter &out) const;
+
+private:
+    std::string mName;
+    AnnotationParamVector *mParams;
+
+    DISALLOW_COPY_AND_ASSIGN(Annotation);
+};
+
+}  // namespace android
+
+#endif  // ANNOTATION_H_