// 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_C40ENCODER_H_
#define _BC_C40ENCODER_H_
class CBC_C40Encoder;
class CBC_C40Encoder : public CBC_Encoder
{
public:
    CBC_C40Encoder();
    virtual ~CBC_C40Encoder();
    virtual int32_t getEncodingMode();
    virtual void Encode(CBC_EncoderContext &context, int32_t &e);
    static void writeNextTriplet(CBC_EncoderContext &context, CFX_WideString &buffer);
    virtual void handleEOD(CBC_EncoderContext &context, CFX_WideString &buffer, int32_t &e);
    virtual int32_t encodeChar(FX_WCHAR c, CFX_WideString &sb, int32_t &e);
private:
    int32_t backtrackOneCharacter(CBC_EncoderContext &context, CFX_WideString &buffer, CFX_WideString &removed, int32_t lastCharSize, int32_t &e);
    static CFX_WideString encodeToCodewords(CFX_WideString sb, int32_t startPos);
};
#endif