Version.h Example File

 #ifndef __VERSION_H__
 #define __VERSION_H__

 /*
  *  Version.h
  *  zxing
  *
  *  Copyright 2010 ZXing authors All rights reserved.
  *
  * 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.
  */

 #include <zxing/common/Counted.h>
 #include <zxing/qrcode/ErrorCorrectionLevel.h>
 #include <zxing/ReaderException.h>
 #include <zxing/common/BitMatrix.h>
 #include <zxing/common/Counted.h>
 #include <vector>

 namespace zxing {
 namespace qrcode {

 class ECB {
 private:
   int count_;
   int dataCodewords_;
 public:
   ECB(int count, int dataCodewords);
   int getCount();
   int getDataCodewords();
 };

 class ECBlocks {
 private:
   int ecCodewordsPerBloc_;
   std::vector<ECB*> ecBlocks_;
 public:
   ECBlocks(int ecCodewordsPerBloc, ECB *ecBlocks);
   ECBlocks(int ecCodewordsPerBloc, ECB *ecBlocks1, ECB *ecBlocks2);
   int getECCodewordsPerBloc();
   int getTotalECCodewords();
   std::vector<ECB*>& getECBlocks();
   ~ECBlocks();
 };

 class Version : public Counted {

 private:
   int versionNumber_;
   std::vector<int> &alignmentPatternCenters_;
   std::vector<ECBlocks*> ecBlocks_;
   int totalCodewords_;
   Version(int versionNumber, std::vector<int> *alignmentPatternCenters, ECBlocks *ecBlocks1, ECBlocks *ecBlocks2,
           ECBlocks *ecBlocks3, ECBlocks *ecBlocks4);

 public:
   static unsigned int VERSION_DECODE_INFO[];
   static int N_VERSION_DECODE_INFOS;
   static std::vector<Ref<Version> > VERSIONS;

   ~Version();
   int getVersionNumber() const;
   std::vector<int> &getAlignmentPatternCenters();
   int getTotalCodewords();
   int getDimensionForVersion();
   ECBlocks &getECBlocksForLevel(const ErrorCorrectionLevel &ecLevel) const;
   static Ref<Version> getProvisionalVersionForDimension(int dimension);
   static Ref<Version> getVersionForNumber(int versionNumber);
   static Ref<Version> decodeVersionInformation(unsigned int versionBits);
   Ref<BitMatrix> buildFunctionPattern();
   static int buildVersions();
 };
 }
 }

 #endif // __VERSION_H__