Organize barcode codes into modules.

xfa/src/fxbarcode/src/include/BC_OneDimReader.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_ONEDUPCEANREADER_H_
-#define _BC_ONEDUPCEANREADER_H_
-class CBC_OneDReader;
-class CBC_CommonBitArray;
-class CBC_OneDimReader;
-class CBC_OneDimReader : public CBC_OneDReader
-{
-private:
-    const static FX_INT32 MAX_AVG_VARIANCE;
-    const static FX_INT32 MAX_INDIVIDUAL_VARIANCE;
-
-    FX_BOOL CheckStandardUPCEANChecksum(CFX_ByteString &s, FX_INT32 &e);
-public:
-    const static FX_INT32 START_END_PATTERN[3];
-    const static FX_INT32 MIDDLE_PATTERN[5];
-    const static FX_INT32 L_PATTERNS[10][4];
-    const static FX_INT32 L_AND_G_PATTERNS[20][4];
-    CBC_OneDimReader();
-    virtual ~CBC_OneDimReader();
-    CFX_ByteString DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, FX_INT32 hints, FX_INT32 &e);
-    CFX_ByteString DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, CFX_Int32Array *startGuardRange, FX_INT32 hints, FX_INT32 &e);
-protected:
-    CFX_Int32Array *FindStartGuardPattern(CBC_CommonBitArray *row, FX_INT32 &e);
-    virtual FX_BOOL CheckChecksum(CFX_ByteString &s, FX_INT32 &e);
-    CFX_Int32Array *FindGuardPattern(CBC_CommonBitArray *row, FX_INT32 rowOffset, FX_BOOL whiteFirst, CFX_Int32Array *pattern, FX_INT32 &e);
-    FX_INT32 DecodeDigit(CBC_CommonBitArray *row, CFX_Int32Array *counters, FX_INT32 rowOffset, const FX_INT32* patterns, FX_INT32 patternLength, FX_INT32 &e);
-    virtual FX_INT32 DecodeMiddle(CBC_CommonBitArray *row, CFX_Int32Array *startRange, CFX_ByteString &resultResult, FX_INT32 &e)
-    {
-        return 0;
-    }
-    virtual CFX_Int32Array *DecodeEnd(CBC_CommonBitArray *row, FX_INT32 endStart, FX_INT32 &e);
-};
-#endif