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Diffstat (limited to 'core/fpdfapi/fpdf_parser/include/cpdf_stream.h')
-rw-r--r-- | core/fpdfapi/fpdf_parser/include/cpdf_stream.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_parser/include/cpdf_stream.h b/core/fpdfapi/fpdf_parser/include/cpdf_stream.h new file mode 100644 index 0000000000..43853839a1 --- /dev/null +++ b/core/fpdfapi/fpdf_parser/include/cpdf_stream.h @@ -0,0 +1,61 @@ +// 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_STREAM_H_ +#define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_H_ + +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" +#include "core/include/fxcrt/fx_stream.h" + +class CPDF_Stream : public CPDF_Object { + public: + CPDF_Stream(uint8_t* pData, FX_DWORD size, CPDF_Dictionary* pDict); + + // CPDF_Object. + Type GetType() const override; + CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; + CPDF_Dictionary* GetDict() const override; + CFX_WideString GetUnicodeText() const override; + bool IsStream() const override; + CPDF_Stream* AsStream() override; + const CPDF_Stream* AsStream() const override; + + FX_DWORD GetRawSize() const { return m_dwSize; } + uint8_t* GetRawData() const { return m_pDataBuf; } + + void SetData(const uint8_t* pData, + FX_DWORD size, + FX_BOOL bCompressed, + FX_BOOL bKeepBuf); + + void InitStream(uint8_t* pData, FX_DWORD size, CPDF_Dictionary* pDict); + void InitStreamFromFile(IFX_FileRead* pFile, CPDF_Dictionary* pDict); + + FX_BOOL ReadRawData(FX_FILESIZE start_pos, + uint8_t* pBuf, + FX_DWORD buf_size) const; + + bool IsMemoryBased() const { return m_GenNum == kMemoryBasedGenNum; } + + protected: + static const FX_DWORD kMemoryBasedGenNum = (FX_DWORD)-1; + + ~CPDF_Stream() override; + + void InitStreamInternal(CPDF_Dictionary* pDict); + + CPDF_Dictionary* m_pDict; + FX_DWORD m_dwSize; + FX_DWORD m_GenNum; + + union { + uint8_t* m_pDataBuf; + IFX_FileRead* m_pFile; + }; +}; + +#endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_H_ |