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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef A_ATOMIZER_H_
     18 
     19 #define A_ATOMIZER_H_
     20 
     21 #include <stdint.h>
     22 
     23 #include <media/stagefright/foundation/ABase.h>
     24 #include <media/stagefright/foundation/AString.h>
     25 #include <utils/List.h>
     26 #include <utils/Vector.h>
     27 #include <utils/threads.h>
     28 
     29 namespace android {
     30 
     31 struct AAtomizer {
     32     static const char *Atomize(const char *name);
     33 
     34 private:
     35     static AAtomizer gAtomizer;
     36 
     37     Mutex mLock;
     38     Vector<List<AString> > mAtoms;
     39 
     40     AAtomizer();
     41 
     42     const char *atomize(const char *name);
     43 
     44     static uint32_t Hash(const char *s);
     45 
     46     DISALLOW_EVIL_CONSTRUCTORS(AAtomizer);
     47 };
     48 
     49 }  // namespace android
     50 
     51 #endif  // A_ATOMIZER_H_
     52