Organize barcode codes into modules.

xfa/src/fxbarcode/src/include/BC_CommonBitArray.h

-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _BC_COMMONBITARRAY_H_
-#define _BC_COMMONBITARRAY_H_
-class CBC_CommonBitArray;
-class CBC_CommonBitArray  : public CFX_Object
-{
-public:
-    CBC_CommonBitArray(CBC_CommonBitArray* array);
-    CBC_CommonBitArray(FX_INT32 size);
-    CBC_CommonBitArray();
-    virtual ~CBC_CommonBitArray();
-    FX_INT32 GetSize();
-    CFX_Int32Array& GetBits();
-    FX_INT32 GetSizeInBytes();
-    FX_BOOL Get(FX_INT32 i);
-    void Set(FX_INT32 i);
-    void Flip(FX_INT32 i);
-    void SetBulk(FX_INT32 i, FX_INT32 newBits);
-    FX_BOOL IsRange(FX_INT32 start, FX_INT32 end, FX_BOOL value, FX_INT32 &e);
-    FX_INT32 *GetBitArray();
-    void Reverse();
-    void Clear();
-private:
-    FX_INT32  m_size;
-    CFX_Int32Array m_bits;
-};
-#endif