| // Copyright 2017 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_EDIT_CPDF_OBJECTSTREAM_H_ |
| #define CORE_FPDFAPI_EDIT_CPDF_OBJECTSTREAM_H_ |
| |
| #include <vector> |
| |
| #include "core/fxcrt/fx_basic.h" |
| #include "third_party/base/stl_util.h" |
| |
| class CPDF_Creator; |
| class CPDF_Object; |
| |
| class CPDF_ObjectStream { |
| public: |
| struct Item { |
| uint32_t objnum; |
| FX_STRSIZE offset; |
| }; |
| |
| CPDF_ObjectStream(); |
| ~CPDF_ObjectStream(); |
| |
| void Start(); |
| FX_FILESIZE End(CPDF_Creator* pCreator); |
| void CompressIndirectObject(uint32_t dwObjNum, const CPDF_Object* pObj); |
| void CompressIndirectObject(uint32_t dwObjNum, |
| const uint8_t* pBuffer, |
| uint32_t dwSize); |
| |
| bool IsNotFull() const; |
| int32_t ItemCount() const { return pdfium::CollectionSize<int32_t>(m_Items); } |
| void SetObjectNumber(uint32_t num) { m_dwObjNum = num; } |
| uint32_t GetObjectNumber() const { return m_dwObjNum; } |
| int32_t GetIndex() const { return m_index; } |
| void IncrementIndex() { m_index++; } |
| |
| uint32_t GetObjectNumberForItem(int index) const { |
| return m_Items[index].objnum; |
| } |
| |
| private: |
| std::vector<Item> m_Items; |
| CFX_ByteTextBuf m_Buffer; |
| uint32_t m_dwObjNum; |
| int32_t m_index; |
| }; |
| |
| #endif // CORE_FPDFAPI_EDIT_CPDF_OBJECTSTREAM_H_ |