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// Copyright 2016 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_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_
#define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_
#include <map>
#include "core/fxcrt/include/fx_system.h"
class CPDF_Object;
class CPDF_IndirectObjectHolder {
public:
using iterator = std::map<uint32_t, CPDF_Object*>::iterator;
using const_iterator = std::map<uint32_t, CPDF_Object*>::const_iterator;
CPDF_IndirectObjectHolder();
virtual ~CPDF_IndirectObjectHolder();
CPDF_Object* GetIndirectObject(uint32_t objnum) const;
CPDF_Object* GetOrParseIndirectObject(uint32_t objnum);
void ReleaseIndirectObject(uint32_t objnum);
// Take ownership of |pObj|.
uint32_t AddIndirectObject(CPDF_Object* pObj);
bool ReplaceIndirectObjectIfHigherGeneration(uint32_t objnum,
CPDF_Object* pObj);
uint32_t GetLastObjNum() const { return m_LastObjNum; }
void SetLastObjNum(uint32_t objnum) { m_LastObjNum = objnum; }
iterator begin() { return m_IndirectObjs.begin(); }
const_iterator begin() const { return m_IndirectObjs.begin(); }
iterator end() { return m_IndirectObjs.end(); }
const_iterator end() const { return m_IndirectObjs.end(); }
protected:
virtual CPDF_Object* ParseIndirectObject(uint32_t objnum);
private:
uint32_t m_LastObjNum;
std::map<uint32_t, CPDF_Object*> m_IndirectObjs;
};
#endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_
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