diff options
Diffstat (limited to 'xfa/fgas/crt')
-rw-r--r-- | xfa/fgas/crt/fgas_stream.cpp | 148 | ||||
-rw-r--r-- | xfa/fgas/crt/fgas_stream.h | 13 |
2 files changed, 86 insertions, 75 deletions
diff --git a/xfa/fgas/crt/fgas_stream.cpp b/xfa/fgas/crt/fgas_stream.cpp index 18d8e0bfe1..3ccb652141 100644 --- a/xfa/fgas/crt/fgas_stream.cpp +++ b/xfa/fgas/crt/fgas_stream.cpp @@ -14,6 +14,7 @@ #include <algorithm> #include <memory> +#include "third_party/base/ptr_util.h" #include "xfa/fgas/crt/fgas_codepage.h" namespace { @@ -100,7 +101,8 @@ class CFGAS_FileReadStreamImp : public IFGAS_StreamImp { CFGAS_FileReadStreamImp(); ~CFGAS_FileReadStreamImp() override {} - bool LoadFileRead(IFX_SeekableReadStream* pFileRead, uint32_t dwAccess); + bool LoadFileRead(const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead, + uint32_t dwAccess); // IFGAS_StreamImp: int32_t GetLength() const override; @@ -119,7 +121,7 @@ class CFGAS_FileReadStreamImp : public IFGAS_StreamImp { bool SetLength(int32_t iLength) override { return false; } protected: - IFX_SeekableReadStream* m_pFileRead; + CFX_RetainPtr<IFX_SeekableReadStream> m_pFileRead; int32_t m_iPosition; int32_t m_iLength; }; @@ -129,10 +131,9 @@ class CFGAS_BufferReadStreamImp : public IFGAS_StreamImp { CFGAS_BufferReadStreamImp(); ~CFGAS_BufferReadStreamImp() override; - bool LoadBufferRead(IFX_BufferedReadStream* pBufferRead, + bool LoadBufferRead(const CFX_RetainPtr<IFX_BufferedReadStream>& pBufferRead, int32_t iFileSize, - uint32_t dwAccess, - bool bReleaseBufferRead); + uint32_t dwAccess); // IFGAS_StreamImp: int32_t GetLength() const override; @@ -151,8 +152,7 @@ class CFGAS_BufferReadStreamImp : public IFGAS_StreamImp { bool SetLength(int32_t iLength) override { return false; } private: - IFX_BufferedReadStream* m_pBufferRead; - bool m_bReleaseBufferRead; + CFX_RetainPtr<IFX_BufferedReadStream> m_pBufferRead; int32_t m_iPosition; int32_t m_iBufferSize; }; @@ -162,7 +162,8 @@ class CFGAS_FileWriteStreamImp : public IFGAS_StreamImp { CFGAS_FileWriteStreamImp(); ~CFGAS_FileWriteStreamImp() override {} - bool LoadFileWrite(IFX_SeekableWriteStream* pFileWrite, uint32_t dwAccess); + bool LoadFileWrite(const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite, + uint32_t dwAccess); // IFGAS_StreamImp: int32_t GetLength() const override; @@ -179,7 +180,7 @@ class CFGAS_FileWriteStreamImp : public IFGAS_StreamImp { bool SetLength(int32_t iLength) override { return false; } protected: - IFX_SeekableWriteStream* m_pFileWrite; + CFX_RetainPtr<IFX_SeekableWriteStream> m_pFileWrite; int32_t m_iPosition; }; @@ -198,12 +199,13 @@ class CFGAS_Stream : public IFGAS_Stream { bool LoadFile(const FX_WCHAR* pszSrcFileName, uint32_t dwAccess); bool LoadBuffer(uint8_t* pData, int32_t iTotalSize, uint32_t dwAccess); - bool LoadFileRead(IFX_SeekableReadStream* pFileRead, uint32_t dwAccess); - bool LoadFileWrite(IFX_SeekableWriteStream* pFileWrite, uint32_t dwAccess); - bool LoadBufferRead(IFX_BufferedReadStream* pBufferRead, + bool LoadFileRead(const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead, + uint32_t dwAccess); + bool LoadFileWrite(const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite, + uint32_t dwAccess); + bool LoadBufferRead(const CFX_RetainPtr<IFX_BufferedReadStream>& pBufferRead, int32_t iFileSize, - uint32_t dwAccess, - bool bReleaseBufferRead); + uint32_t dwAccess); // IFGAS_Stream void Release() override; @@ -277,15 +279,17 @@ class CFGAS_TextStream : public IFGAS_Stream { class CFGAS_FileRead : public IFX_SeekableReadStream { public: - CFGAS_FileRead(IFGAS_Stream* pStream, bool bReleaseStream); + static CFX_RetainPtr<CFGAS_FileRead> Create(IFGAS_Stream* pStream, + bool bReleaseStream); ~CFGAS_FileRead() override; // IFX_SeekableReadStream - void Release() override; FX_FILESIZE GetSize() override; bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override; protected: + CFGAS_FileRead(IFGAS_Stream* pStream, bool bReleaseStream); + bool m_bReleaseStream; IFGAS_Stream* m_pStream; }; @@ -322,8 +326,9 @@ bool FileSetSize(FXSYS_FILE* file, int32_t size) { } // namespace // static -IFGAS_Stream* IFGAS_Stream::CreateStream(IFX_SeekableReadStream* pFileRead, - uint32_t dwAccess) { +IFGAS_Stream* IFGAS_Stream::CreateStream( + const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead, + uint32_t dwAccess) { CFGAS_Stream* pSR = new CFGAS_Stream; if (!pSR->LoadFileRead(pFileRead, dwAccess)) { pSR->Release(); @@ -336,8 +341,9 @@ IFGAS_Stream* IFGAS_Stream::CreateStream(IFX_SeekableReadStream* pFileRead, } // static -IFGAS_Stream* IFGAS_Stream::CreateStream(IFX_SeekableWriteStream* pFileWrite, - uint32_t dwAccess) { +IFGAS_Stream* IFGAS_Stream::CreateStream( + const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite, + uint32_t dwAccess) { CFGAS_Stream* pSR = new CFGAS_Stream; if (!pSR->LoadFileWrite(pFileWrite, dwAccess)) { pSR->Release(); @@ -534,18 +540,22 @@ bool CFGAS_FileStreamImp::SetLength(int32_t iLength) { m_iLength = FileLength(m_hFile); return bRet; } + CFGAS_FileReadStreamImp::CFGAS_FileReadStreamImp() : m_pFileRead(nullptr), m_iPosition(0), m_iLength(0) {} -bool CFGAS_FileReadStreamImp::LoadFileRead(IFX_SeekableReadStream* pFileRead, - uint32_t dwAccess) { + +bool CFGAS_FileReadStreamImp::LoadFileRead( + const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead, + uint32_t dwAccess) { ASSERT(!m_pFileRead && pFileRead); - if (dwAccess & FX_STREAMACCESS_Write) { + if (dwAccess & FX_STREAMACCESS_Write) return false; - } + m_pFileRead = pFileRead; m_iLength = m_pFileRead->GetSize(); return true; } + int32_t CFGAS_FileReadStreamImp::GetLength() const { return m_iLength; } @@ -600,34 +610,28 @@ int32_t CFGAS_FileReadStreamImp::ReadString(FX_WCHAR* pStr, bEOS = (m_iPosition >= m_iLength) || pStr[i] == L'\0'; return i; } + CFGAS_BufferReadStreamImp::CFGAS_BufferReadStreamImp() - : m_pBufferRead(nullptr), - m_bReleaseBufferRead(false), - m_iPosition(0), - m_iBufferSize(0) {} -CFGAS_BufferReadStreamImp::~CFGAS_BufferReadStreamImp() { - if (m_bReleaseBufferRead && m_pBufferRead) { - m_pBufferRead->Release(); - } -} + : m_iPosition(0), m_iBufferSize(0) {} + +CFGAS_BufferReadStreamImp::~CFGAS_BufferReadStreamImp() {} + bool CFGAS_BufferReadStreamImp::LoadBufferRead( - IFX_BufferedReadStream* pBufferRead, + const CFX_RetainPtr<IFX_BufferedReadStream>& pBufferRead, int32_t iFileSize, - uint32_t dwAccess, - bool bReleaseBufferRead) { + uint32_t dwAccess) { ASSERT(!m_pBufferRead && pBufferRead); - if (dwAccess & FX_STREAMACCESS_Write) { + if (dwAccess & FX_STREAMACCESS_Write) return false; - } - m_bReleaseBufferRead = bReleaseBufferRead; + m_pBufferRead = pBufferRead; m_iBufferSize = iFileSize; - if (m_iBufferSize >= 0) { + if (m_iBufferSize >= 0) return true; - } - if (!m_pBufferRead->ReadNextBlock(true)) { + + if (!m_pBufferRead->ReadNextBlock(true)) return false; - } + m_iBufferSize = m_pBufferRead->GetBlockSize(); while (!m_pBufferRead->IsEOF()) { m_pBufferRead->ReadNextBlock(false); @@ -733,23 +737,25 @@ int32_t CFGAS_BufferReadStreamImp::ReadString(FX_WCHAR* pStr, } CFGAS_FileWriteStreamImp::CFGAS_FileWriteStreamImp() : m_pFileWrite(nullptr), m_iPosition(0) {} + bool CFGAS_FileWriteStreamImp::LoadFileWrite( - IFX_SeekableWriteStream* pFileWrite, + const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite, uint32_t dwAccess) { ASSERT(!m_pFileWrite && pFileWrite); - if (dwAccess & FX_STREAMACCESS_Read) { + if (dwAccess & FX_STREAMACCESS_Read) return false; - } - if (dwAccess & FX_STREAMACCESS_Append) { + + if (dwAccess & FX_STREAMACCESS_Append) m_iPosition = pFileWrite->GetSize(); - } + m_pFileWrite = pFileWrite; return true; } + int32_t CFGAS_FileWriteStreamImp::GetLength() const { - if (!m_pFileWrite) { + if (!m_pFileWrite) return 0; - } + return (int32_t)m_pFileWrite->GetSize(); } int32_t CFGAS_FileWriteStreamImp::Seek(FX_STREAMSEEK eSeek, int32_t iOffset) { @@ -1159,8 +1165,9 @@ bool CFGAS_Stream::LoadFile(const FX_WCHAR* pszSrcFileName, uint32_t dwAccess) { return true; } -bool CFGAS_Stream::LoadFileRead(IFX_SeekableReadStream* pFileRead, - uint32_t dwAccess) { +bool CFGAS_Stream::LoadFileRead( + const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead, + uint32_t dwAccess) { if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return false; @@ -1178,16 +1185,16 @@ bool CFGAS_Stream::LoadFileRead(IFX_SeekableReadStream* pFileRead, return true; } -bool CFGAS_Stream::LoadFileWrite(IFX_SeekableWriteStream* pFileWrite, - uint32_t dwAccess) { +bool CFGAS_Stream::LoadFileWrite( + const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite, + uint32_t dwAccess) { if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return false; if (!pFileWrite) return false; - std::unique_ptr<CFGAS_FileWriteStreamImp> pImp( - new CFGAS_FileWriteStreamImp()); + auto pImp = pdfium::MakeUnique<CFGAS_FileWriteStreamImp>(); if (!pImp->LoadFileWrite(pFileWrite, dwAccess)) return false; @@ -1218,20 +1225,18 @@ bool CFGAS_Stream::LoadBuffer(uint8_t* pData, return true; } -bool CFGAS_Stream::LoadBufferRead(IFX_BufferedReadStream* pBufferRead, - int32_t iFileSize, - uint32_t dwAccess, - bool bReleaseBufferRead) { +bool CFGAS_Stream::LoadBufferRead( + const CFX_RetainPtr<IFX_BufferedReadStream>& pBufferRead, + int32_t iFileSize, + uint32_t dwAccess) { if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return false; if (!pBufferRead) return false; - std::unique_ptr<CFGAS_BufferReadStreamImp> pImp( - new CFGAS_BufferReadStreamImp); - if (!pImp->LoadBufferRead(pBufferRead, iFileSize, dwAccess, - bReleaseBufferRead)) + auto pImp = pdfium::MakeUnique<CFGAS_BufferReadStreamImp>(); + if (!pImp->LoadBufferRead(pBufferRead, iFileSize, dwAccess)) return false; m_pStreamImp = pImp.release(); @@ -1478,14 +1483,21 @@ IFGAS_Stream* CFGAS_Stream::CreateSharedStream(uint32_t dwAccess, return pShared; } -IFX_SeekableReadStream* IFGAS_Stream::MakeSeekableReadStream() { - return new CFGAS_FileRead(this, false); +CFX_RetainPtr<IFX_SeekableReadStream> IFGAS_Stream::MakeSeekableReadStream() { + return CFGAS_FileRead::Create(this, false); +} + +CFX_RetainPtr<CFGAS_FileRead> CFGAS_FileRead::Create(IFGAS_Stream* pStream, + bool bReleaseStream) { + return CFX_RetainPtr<CFGAS_FileRead>( + new CFGAS_FileRead(pStream, bReleaseStream)); } CFGAS_FileRead::CFGAS_FileRead(IFGAS_Stream* pStream, bool bReleaseStream) : m_bReleaseStream(bReleaseStream), m_pStream(pStream) { ASSERT(m_pStream); } + CFGAS_FileRead::~CFGAS_FileRead() { if (m_bReleaseStream) { m_pStream->Release(); @@ -1500,7 +1512,3 @@ bool CFGAS_FileRead::ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) { int32_t iLen = m_pStream->ReadData((uint8_t*)buffer, (int32_t)size); return iLen == (int32_t)size; } - -void CFGAS_FileRead::Release() { - delete this; -} diff --git a/xfa/fgas/crt/fgas_stream.h b/xfa/fgas/crt/fgas_stream.h index bd065ff308..b6552d9825 100644 --- a/xfa/fgas/crt/fgas_stream.h +++ b/xfa/fgas/crt/fgas_stream.h @@ -7,6 +7,7 @@ #ifndef XFA_FGAS_CRT_FGAS_STREAM_H_ #define XFA_FGAS_CRT_FGAS_STREAM_H_ +#include "core/fxcrt/cfx_retain_ptr.h" #include "core/fxcrt/fx_stream.h" #include "core/fxcrt/fx_system.h" @@ -28,10 +29,12 @@ enum FX_STREAMSEEK { class IFGAS_Stream { public: - static IFGAS_Stream* CreateStream(IFX_SeekableReadStream* pFileRead, - uint32_t dwAccess); - static IFGAS_Stream* CreateStream(IFX_SeekableWriteStream* pFileWrite, - uint32_t dwAccess); + static IFGAS_Stream* CreateStream( + const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead, + uint32_t dwAccess); + static IFGAS_Stream* CreateStream( + const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite, + uint32_t dwAccess); static IFGAS_Stream* CreateStream(uint8_t* pData, int32_t length, uint32_t dwAccess); @@ -63,7 +66,7 @@ class IFGAS_Stream { virtual uint16_t GetCodePage() const = 0; virtual uint16_t SetCodePage(uint16_t wCodePage) = 0; - IFX_SeekableReadStream* MakeSeekableReadStream(); + CFX_RetainPtr<IFX_SeekableReadStream> MakeSeekableReadStream(); }; |