Organize barcode codes into modules.

xfa/src/fxbarcode/src/include/BC_EncoderContext.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_ENCODERCONTEXT_H_
-#define _BC_ENCODERCONTEXT_H_
-class CBC_SymbolShapeHint;
-class CBC_SymbolInfo;
-class CBC_Dimension;
-class CBC_EncoderContext;
-class CBC_EncoderContext : public CBC_SymbolShapeHint
-{
-public:
-    CBC_EncoderContext(const CFX_WideString msg, CFX_WideString ecLevel, FX_INT32 &e);
-    virtual ~CBC_EncoderContext();
-    void setSymbolShape(SymbolShapeHint shape);
-    void setSizeConstraints(CBC_Dimension* minSize, CBC_Dimension* maxSize);
-    CFX_WideString getMessage();
-    void setSkipAtEnd(FX_INT32 count);
-    FX_WCHAR getCurrentChar();
-    FX_WCHAR getCurrent();
-    void writeCodewords(CFX_WideString codewords);
-    void writeCodeword(FX_WCHAR codeword);
-    FX_INT32 getCodewordCount();
-    void signalEncoderChange(FX_INT32 encoding);
-    void resetEncoderSignal();
-    FX_BOOL hasMoreCharacters();
-    FX_INT32 getRemainingCharacters();
-    void updateSymbolInfo(FX_INT32 &e);
-    void updateSymbolInfo(FX_INT32 len, FX_INT32 &e);
-    void resetSymbolInfo();
-public:
-    CFX_WideString m_msg;
-    CFX_WideString m_codewords;
-    FX_INT32 m_pos;
-    FX_INT32 m_newEncoding;
-    CBC_SymbolInfo* m_symbolInfo;
-private:
-    FX_INT32 getTotalMessageCharCount();
-private:
-    SymbolShapeHint m_shape;
-    CBC_Dimension* m_minSize;
-    CBC_Dimension* m_maxSize;
-    FX_INT32 m_skipAtEnd;
-};
-#endif