// 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 CORE_SRC_FPDFAPI_FPDF_EDIT_EDITINT_H_
#define CORE_SRC_FPDFAPI_FPDF_EDIT_EDITINT_H_

class CPDF_ObjectStream
{
public:
    CPDF_ObjectStream();

    bool				Start();

    int32_t			CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj);
    int32_t			CompressIndirectObject(FX_DWORD dwObjNum, const uint8_t* pBuffer, FX_DWORD dwSize);

    FX_FILESIZE			End(CPDF_Creator* pCreator);

    CFX_DWordArray		m_ObjNumArray;

    CFX_ByteTextBuf		m_Buffer;
    FX_DWORD			m_dwObjNum;
    int32_t			m_index;
protected:

    CFX_DWordArray		m_OffsetArray;
};
class CPDF_XRefStream
{
public:

    CPDF_XRefStream();

    bool				Start();

    int32_t			CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj, CPDF_Creator *pCreator);

    int32_t			CompressIndirectObject(FX_DWORD dwObjNum, const uint8_t* pBuffer, FX_DWORD dwSize, CPDF_Creator *pCreator);

    bool				End(CPDF_Creator *pCreator, bool bEOF = false);
    bool				AddObjectNumberToIndexArray(FX_DWORD objnum);
    bool				EndXRefStream(CPDF_Creator* pCreator);


    CFX_DWordArray		m_IndexArray;

    FX_FILESIZE			m_PrevOffset;
    FX_DWORD			m_dwTempObjNum;

protected:
    int32_t			EndObjectStream(CPDF_Creator *pCreator, bool bEOF = true);
    bool				GenerateXRefStream(CPDF_Creator* pCreator, bool bEOF);
    int32_t			m_iSeg;
    CPDF_ObjectStream	m_ObjStream;
    CFX_ByteTextBuf		m_Buffer;
};

#endif  // CORE_SRC_FPDFAPI_FPDF_EDIT_EDITINT_H_