diff options
| -rw-r--r-- | xfa/fgas/crt/fgas_stream.cpp | 367 |
1 files changed, 190 insertions, 177 deletions
diff --git a/xfa/fgas/crt/fgas_stream.cpp b/xfa/fgas/crt/fgas_stream.cpp index c05e81ade3..73e5a02aa0 100644 --- a/xfa/fgas/crt/fgas_stream.cpp +++ b/xfa/fgas/crt/fgas_stream.cpp @@ -7,16 +7,17 @@ #include "xfa/fgas/crt/fgas_stream.h" #include <algorithm> +#include <memory> #include "xfa/fgas/crt/fgas_codepage.h" #include "xfa/fgas/crt/fgas_system.h" namespace { -class CFX_StreamImp { +class IFX_StreamImp { public: - virtual void Release() { delete this; } - virtual uint32_t GetAccessModes() const { return m_dwAccess; } + virtual ~IFX_StreamImp() {} + virtual int32_t GetLength() const = 0; virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) = 0; virtual int32_t GetPosition() = 0; @@ -31,47 +32,61 @@ class CFX_StreamImp { virtual FX_BOOL SetLength(int32_t iLength) = 0; protected: - CFX_StreamImp(); - virtual ~CFX_StreamImp() {} + IFX_StreamImp(); + + uint32_t GetAccessModes() const { return m_dwAccess; } + void SetAccessModes(uint32_t modes) { m_dwAccess = modes; } + + private: uint32_t m_dwAccess; }; -class CFX_FileStreamImp : public CFX_StreamImp { +class CFX_FileStreamImp : public IFX_StreamImp { public: CFX_FileStreamImp(); - virtual ~CFX_FileStreamImp(); + ~CFX_FileStreamImp() override; + FX_BOOL LoadFile(const FX_WCHAR* pszSrcFileName, uint32_t dwAccess); - virtual int32_t GetLength() const; - virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); - virtual int32_t GetPosition(); - virtual FX_BOOL IsEOF() const; - virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); - virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); - virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); - virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); - virtual void Flush(); - virtual FX_BOOL SetLength(int32_t iLength); + + // IFX_StreamImp: + int32_t GetLength() const override; + int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) override; + int32_t GetPosition() override; + FX_BOOL IsEOF() const override; + int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) override; + int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS) override; + int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override; + int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) override; + void Flush() override; + FX_BOOL SetLength(int32_t iLength) override; protected: FXSYS_FILE* m_hFile; int32_t m_iLength; }; -class CFX_BufferStreamImp : public CFX_StreamImp { +class CFX_BufferStreamImp : public IFX_StreamImp { public: CFX_BufferStreamImp(); - virtual ~CFX_BufferStreamImp() {} + ~CFX_BufferStreamImp() override {} + FX_BOOL LoadBuffer(uint8_t* pData, int32_t iTotalSize, uint32_t dwAccess); - virtual int32_t GetLength() const; - virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); - virtual int32_t GetPosition(); - virtual FX_BOOL IsEOF() const; - virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); - virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); - virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); - virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); - virtual void Flush() {} - virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + + // IFX_StreamImp: + int32_t GetLength() const override; + int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) override; + int32_t GetPosition() override; + FX_BOOL IsEOF() const override; + int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) override; + int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS) override; + int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override; + int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) override; + void Flush() override {} + FX_BOOL SetLength(int32_t iLength) override { return FALSE; } protected: uint8_t* m_pData; @@ -80,26 +95,30 @@ class CFX_BufferStreamImp : public CFX_StreamImp { int32_t m_iLength; }; -class CFX_FileReadStreamImp : public CFX_StreamImp { +class CFX_FileReadStreamImp : public IFX_StreamImp { public: CFX_FileReadStreamImp(); - virtual ~CFX_FileReadStreamImp() {} + ~CFX_FileReadStreamImp() override {} + FX_BOOL LoadFileRead(IFX_FileRead* pFileRead, uint32_t dwAccess); - virtual int32_t GetLength() const; - virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); - virtual int32_t GetPosition() { return m_iPosition; } - virtual FX_BOOL IsEOF() const; - virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); - virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); - virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) { + // IFX_StreamImp: + int32_t GetLength() const override; + int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) override; + int32_t GetPosition() override { return m_iPosition; } + FX_BOOL IsEOF() const override; + int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) override; + int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS) override; + int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override { return 0; } - virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) { + int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) override { return 0; } - virtual void Flush() {} - virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + void Flush() override {} + FX_BOOL SetLength(int32_t iLength) override { return FALSE; } protected: IFX_FileRead* m_pFileRead; @@ -107,30 +126,33 @@ class CFX_FileReadStreamImp : public CFX_StreamImp { int32_t m_iLength; }; -class CFX_BufferReadStreamImp : public CFX_StreamImp { +class CFX_BufferReadStreamImp : public IFX_StreamImp { public: CFX_BufferReadStreamImp(); - ~CFX_BufferReadStreamImp(); + ~CFX_BufferReadStreamImp() override; + FX_BOOL LoadBufferRead(IFX_BufferRead* pBufferRead, int32_t iFileSize, uint32_t dwAccess, FX_BOOL bReleaseBufferRead); - virtual int32_t GetLength() const; - virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); - virtual int32_t GetPosition() { return m_iPosition; } - virtual FX_BOOL IsEOF() const; - - virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize); - virtual int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS); - virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) { + // IFX_StreamImp: + int32_t GetLength() const override; + int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) override; + int32_t GetPosition() override { return m_iPosition; } + FX_BOOL IsEOF() const override; + int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) override; + int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS) override; + int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override { return 0; } - virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) { + int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) override { return 0; } - virtual void Flush() {} - virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + void Flush() override {} + FX_BOOL SetLength(int32_t iLength) override { return FALSE; } private: IFX_BufferRead* m_pBufferRead; @@ -139,25 +161,28 @@ class CFX_BufferReadStreamImp : public CFX_StreamImp { int32_t m_iBufferSize; }; -class CFX_FileWriteStreamImp : public CFX_StreamImp { +class CFX_FileWriteStreamImp : public IFX_StreamImp { public: CFX_FileWriteStreamImp(); - virtual ~CFX_FileWriteStreamImp() {} + ~CFX_FileWriteStreamImp() override {} + FX_BOOL LoadFileWrite(IFX_FileWrite* pFileWrite, uint32_t dwAccess); - virtual int32_t GetLength() const; - virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset); - virtual int32_t GetPosition() { return m_iPosition; } - virtual FX_BOOL IsEOF() const; - virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) { return 0; } - virtual int32_t ReadString(FX_WCHAR* pStr, - int32_t iMaxLength, - FX_BOOL& bEOS) { + + // IFX_StreamImp: + int32_t GetLength() const override; + int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) override; + int32_t GetPosition() override { return m_iPosition; } + FX_BOOL IsEOF() const override; + int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) override { return 0; } + int32_t ReadString(FX_WCHAR* pStr, + int32_t iMaxLength, + FX_BOOL& bEOS) override { return 0; } - virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize); - virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength); - virtual void Flush(); - virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; } + int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override; + int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) override; + void Flush() override; + FX_BOOL SetLength(int32_t iLength) override { return FALSE; } protected: IFX_FileWrite* m_pFileWrite; @@ -209,7 +234,7 @@ class CFX_Stream : public IFX_Stream { protected: FX_STREAMTYPE m_eStreamType; - CFX_StreamImp* m_pStreamImp; + IFX_StreamImp* m_pStreamImp; uint32_t m_dwAccess; int32_t m_iTotalSize; int32_t m_iPosition; @@ -374,14 +399,15 @@ IFX_Stream* IFX_Stream::CreateStream(uint8_t* pData, return pSR; } -CFX_StreamImp::CFX_StreamImp() : m_dwAccess(0) {} -CFX_FileStreamImp::CFX_FileStreamImp() - : CFX_StreamImp(), m_hFile(NULL), m_iLength(0) {} +IFX_StreamImp::IFX_StreamImp() : m_dwAccess(0) {} + +CFX_FileStreamImp::CFX_FileStreamImp() : m_hFile(nullptr), m_iLength(0) {} + CFX_FileStreamImp::~CFX_FileStreamImp() { - if (m_hFile != NULL) { + if (m_hFile) FXSYS_fclose(m_hFile); - } } + FX_BOOL CFX_FileStreamImp::LoadFile(const FX_WCHAR* pszSrcFileName, uint32_t dwAccess) { ASSERT(m_hFile == NULL); @@ -451,7 +477,7 @@ FX_BOOL CFX_FileStreamImp::LoadFile(const FX_WCHAR* pszSrcFileName, } } #endif - m_dwAccess = dwAccess; + SetAccessModes(dwAccess); if ((dwAccess & (FX_STREAMACCESS_Write | FX_STREAMACCESS_Truncate)) == (FX_STREAMACCESS_Write | FX_STREAMACCESS_Truncate)) { m_iLength = 0; @@ -509,8 +535,8 @@ int32_t CFX_FileStreamImp::ReadString(FX_WCHAR* pStr, } int32_t CFX_FileStreamImp::WriteData(const uint8_t* pBuffer, int32_t iBufferSize) { - ASSERT(m_hFile != NULL && (m_dwAccess & FX_STREAMACCESS_Write) != 0); - ASSERT(pBuffer != NULL && iBufferSize > 0); + ASSERT(m_hFile && (GetAccessModes() & FX_STREAMACCESS_Write) != 0); + ASSERT(pBuffer && iBufferSize > 0); int32_t iRet = FXSYS_fwrite(pBuffer, 1, iBufferSize, m_hFile); if (iRet != 0) { int32_t iPos = FXSYS_ftell(m_hFile); @@ -521,8 +547,8 @@ int32_t CFX_FileStreamImp::WriteData(const uint8_t* pBuffer, return iRet; } int32_t CFX_FileStreamImp::WriteString(const FX_WCHAR* pStr, int32_t iLength) { - ASSERT(m_hFile != NULL && (m_dwAccess & FX_STREAMACCESS_Write) != 0); - ASSERT(pStr != NULL && iLength > 0); + ASSERT(m_hFile && (GetAccessModes() & FX_STREAMACCESS_Write) != 0); + ASSERT(pStr && iLength > 0); int32_t iRet = FXSYS_fwrite(pStr, 2, iLength, m_hFile); if (iRet != 0) { int32_t iPos = FXSYS_ftell(m_hFile); @@ -533,11 +559,11 @@ int32_t CFX_FileStreamImp::WriteString(const FX_WCHAR* pStr, int32_t iLength) { return iRet; } void CFX_FileStreamImp::Flush() { - ASSERT(m_hFile != NULL && (m_dwAccess & FX_STREAMACCESS_Write) != 0); + ASSERT(m_hFile && (GetAccessModes() & FX_STREAMACCESS_Write) != 0); FXSYS_fflush(m_hFile); } FX_BOOL CFX_FileStreamImp::SetLength(int32_t iLength) { - ASSERT(m_hFile != NULL && (m_dwAccess & FX_STREAMACCESS_Write) != 0); + ASSERT(m_hFile && (GetAccessModes() & FX_STREAMACCESS_Write) != 0); FX_BOOL bRet = FX_fsetsize(m_hFile, iLength); m_iLength = FX_filelength(m_hFile); return bRet; @@ -800,17 +826,13 @@ void CFX_FileWriteStreamImp::Flush() { } } CFX_BufferStreamImp::CFX_BufferStreamImp() - : CFX_StreamImp(), - m_pData(NULL), - m_iTotalSize(0), - m_iPosition(0), - m_iLength(0) {} + : m_pData(nullptr), m_iTotalSize(0), m_iPosition(0), m_iLength(0) {} + FX_BOOL CFX_BufferStreamImp::LoadBuffer(uint8_t* pData, int32_t iTotalSize, uint32_t dwAccess) { - ASSERT(m_pData == NULL); - ASSERT(pData != NULL && iTotalSize > 0); - m_dwAccess = dwAccess; + ASSERT(!m_pData && pData && iTotalSize > 0); + SetAccessModes(dwAccess); m_pData = pData; m_iTotalSize = iTotalSize; m_iPosition = 0; @@ -878,8 +900,8 @@ int32_t CFX_BufferStreamImp::ReadString(FX_WCHAR* pStr, } int32_t CFX_BufferStreamImp::WriteData(const uint8_t* pBuffer, int32_t iBufferSize) { - ASSERT(m_pData != NULL && (m_dwAccess & FX_STREAMACCESS_Write) != 0); - ASSERT(pBuffer != NULL && iBufferSize > 0); + ASSERT(m_pData && (GetAccessModes() & FX_STREAMACCESS_Write) != 0); + ASSERT(pBuffer && iBufferSize > 0); int32_t iLen = std::min(m_iTotalSize - m_iPosition, iBufferSize); if (iLen <= 0) { return 0; @@ -893,8 +915,8 @@ int32_t CFX_BufferStreamImp::WriteData(const uint8_t* pBuffer, } int32_t CFX_BufferStreamImp::WriteString(const FX_WCHAR* pStr, int32_t iLength) { - ASSERT(m_pData != NULL && (m_dwAccess & FX_STREAMACCESS_Write) != 0); - ASSERT(pStr != NULL && iLength > 0); + ASSERT(m_pData && (GetAccessModes() & FX_STREAMACCESS_Write) != 0); + ASSERT(pStr && iLength > 0); int32_t iLen = std::min((m_iTotalSize - m_iPosition) / 2, iLength); if (iLen <= 0) { return 0; @@ -1124,119 +1146,110 @@ CFX_Stream::CFX_Stream() m_iStart(0), m_iLength(0), m_iRefCount(1) {} + CFX_Stream::~CFX_Stream() { - if (m_eStreamType != FX_STREAMTYPE_Stream && m_pStreamImp != NULL) { - m_pStreamImp->Release(); - } + if (m_eStreamType != FX_STREAMTYPE_Stream) + delete m_pStreamImp; } + FX_BOOL CFX_Stream::LoadFile(const FX_WCHAR* pszSrcFileName, uint32_t dwAccess) { - if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp != NULL) { + if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return FALSE; - } - if (pszSrcFileName == NULL || FXSYS_wcslen(pszSrcFileName) < 1) { + + if (!pszSrcFileName || FXSYS_wcslen(pszSrcFileName) < 1) return FALSE; - } - m_pStreamImp = new CFX_FileStreamImp(); - FX_BOOL bRet = - ((CFX_FileStreamImp*)m_pStreamImp)->LoadFile(pszSrcFileName, dwAccess); - if (!bRet) { - m_pStreamImp->Release(); - m_pStreamImp = NULL; - } else { - m_eStreamType = FX_STREAMTYPE_File; - m_dwAccess = dwAccess; - m_iLength = m_pStreamImp->GetLength(); - } - return bRet; + + std::unique_ptr<CFX_FileStreamImp> pImp(new CFX_FileStreamImp()); + if (!pImp->LoadFile(pszSrcFileName, dwAccess)) + return FALSE; + + m_pStreamImp = pImp.release(); + m_eStreamType = FX_STREAMTYPE_File; + m_dwAccess = dwAccess; + m_iLength = m_pStreamImp->GetLength(); + return TRUE; } + FX_BOOL CFX_Stream::LoadFileRead(IFX_FileRead* pFileRead, uint32_t dwAccess) { - if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp != NULL) { + if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return FALSE; - } - if (pFileRead == NULL) { + + if (!pFileRead) return FALSE; - } - m_pStreamImp = new CFX_FileReadStreamImp(); - FX_BOOL bRet = - ((CFX_FileReadStreamImp*)m_pStreamImp)->LoadFileRead(pFileRead, dwAccess); - if (!bRet) { - m_pStreamImp->Release(); - m_pStreamImp = NULL; - } else { - m_eStreamType = FX_STREAMTYPE_File; - m_dwAccess = dwAccess; - m_iLength = m_pStreamImp->GetLength(); - } - return bRet; + + std::unique_ptr<CFX_FileReadStreamImp> pImp(new CFX_FileReadStreamImp()); + if (!pImp->LoadFileRead(pFileRead, dwAccess)) + return FALSE; + + m_pStreamImp = pImp.release(); + m_eStreamType = FX_STREAMTYPE_File; + m_dwAccess = dwAccess; + m_iLength = m_pStreamImp->GetLength(); + return TRUE; } + FX_BOOL CFX_Stream::LoadFileWrite(IFX_FileWrite* pFileWrite, uint32_t dwAccess) { - if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp != NULL) { + if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return FALSE; - } - if (pFileWrite == NULL) { + + if (!pFileWrite) return FALSE; - } - m_pStreamImp = new CFX_FileWriteStreamImp(); - FX_BOOL bRet = ((CFX_FileWriteStreamImp*)m_pStreamImp) - ->LoadFileWrite(pFileWrite, dwAccess); - if (!bRet) { - m_pStreamImp->Release(); - m_pStreamImp = NULL; - } else { - m_eStreamType = FX_STREAMTYPE_File; - m_dwAccess = dwAccess; - m_iLength = m_pStreamImp->GetLength(); - } - return bRet; + + std::unique_ptr<CFX_FileWriteStreamImp> pImp(new CFX_FileWriteStreamImp()); + if (!pImp->LoadFileWrite(pFileWrite, dwAccess)) + return FALSE; + + m_pStreamImp = pImp.release(); + m_eStreamType = FX_STREAMTYPE_File; + m_dwAccess = dwAccess; + m_iLength = m_pStreamImp->GetLength(); + return TRUE; } + FX_BOOL CFX_Stream::LoadBuffer(uint8_t* pData, int32_t iTotalSize, uint32_t dwAccess) { - if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp != NULL) { + if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return FALSE; - } - if (pData == NULL || iTotalSize < 1) { + + if (!pData || iTotalSize < 1) return FALSE; - } - m_pStreamImp = new CFX_BufferStreamImp(); - FX_BOOL bRet = ((CFX_BufferStreamImp*)m_pStreamImp) - ->LoadBuffer(pData, iTotalSize, dwAccess); - if (!bRet) { - m_pStreamImp->Release(); - m_pStreamImp = NULL; - } else { - m_eStreamType = FX_STREAMTYPE_Buffer; - m_dwAccess = dwAccess; - m_iLength = m_pStreamImp->GetLength(); - } - return bRet; + + std::unique_ptr<CFX_BufferStreamImp> pImp(new CFX_BufferStreamImp()); + if (!pImp->LoadBuffer(pData, iTotalSize, dwAccess)) + return FALSE; + + m_pStreamImp = pImp.release(); + m_eStreamType = FX_STREAMTYPE_Buffer; + m_dwAccess = dwAccess; + m_iLength = m_pStreamImp->GetLength(); + return TRUE; } + FX_BOOL CFX_Stream::LoadBufferRead(IFX_BufferRead* pBufferRead, int32_t iFileSize, uint32_t dwAccess, FX_BOOL bReleaseBufferRead) { - if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp != NULL) { + if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp) return FALSE; - } - if (!pBufferRead) { + + if (!pBufferRead) return FALSE; - } - m_pStreamImp = new CFX_BufferReadStreamImp; - FX_BOOL bRet = ((CFX_BufferReadStreamImp*)m_pStreamImp) - ->LoadBufferRead(pBufferRead, iFileSize, dwAccess, - bReleaseBufferRead); - if (!bRet) { - m_pStreamImp->Release(); - m_pStreamImp = NULL; - } else { - m_eStreamType = FX_STREAMTYPE_BufferRead; - m_dwAccess = dwAccess; - m_iLength = m_pStreamImp->GetLength(); - } - return bRet; + + std::unique_ptr<CFX_BufferReadStreamImp> pImp(new CFX_BufferReadStreamImp); + if (!pImp->LoadBufferRead(pBufferRead, iFileSize, dwAccess, + bReleaseBufferRead)) + return FALSE; + + m_pStreamImp = pImp.release(); + m_eStreamType = FX_STREAMTYPE_BufferRead; + m_dwAccess = dwAccess; + m_iLength = m_pStreamImp->GetLength(); + return TRUE; } + void CFX_Stream::Release() { if (--m_iRefCount < 1) { delete this; |