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edio Description Base for layered I/O to include Disk and Memory files Status Complete Constants Types Structures None Functions None Objects See Also None ED_IO_READ Description Flag indicating that read operations are permitted Status None Declaration #define ED_IO_READ 1 Notes None Sample Code None See Also ED_IO_WRITE Description Flag indicating that write operations are permitted Status None Declaration #define ED_IO_WRITE 2 Notes None Sample Code None See Also CEDIOP Description Pointer to a CEDIO object Status None Declaration typedef CEDIO* CEDIOP; Minimum Value None Maximum Value None Notes None Sample Code None See Also edio, CEDIO, CEDFileIOP, CEDMemIOP CEDFileIOP Description Pointer to a CEDFileIO object Status None Declaration typedef CEDFileIO* CEDFileIOP; Minimum Value None Maximum Value None Notes None Sample Code None See Also edio, CEDFileIO, CEDIOP, CEDMemIOP CEDMemIOP Description Pointer to a CEDMemIO object Status None Declaration typedef CEDMemIO* CEDMemIOP; Minimum Value None Maximum Value None Notes None Sample Code None See Also edio, CEDMemIO, CEDIOP, CEDFileIOP CEDIO Description Base I/O object allowing generalized control of descendants Status None Declaration
class CEDIO
{
...
};
public:
CEDIO();
virtual ~CEDIO();
virtual void Close();
virtual void Flush();
edu32 GetMode();
const char* GetName();
virtual edu32 GetBlock( void* p_dst, edu32 p_size );
virtual edu32 PutBlock( const void* p_src, edu32 p_size );
virtual edu32 GetSize();
virtual bool SetSize( edu32 p_newSize );
virtual edu32 GetPos();
virtual bool SetPos( edu32 p_newPos );
protected:
edu32 m_mode;
CEDString m_name;
};
Member Variables None Method Functions None Notes None See Also CEDFileIO Description File I/O object for disk files Status None Declaration
class CEDFileIO: public CEDIO
{
...
};
public:
CEDFileIO();
CEDFileIO( const char* p_name );
virtual ~CEDFileIO();
virtual bool ValidName( const char* p_name );
virtual bool Open( const char* p_name );
virtual bool Update( const char* p_name );
virtual bool Create( const char* p_name );
virtual void Close();
virtual void Flush();
virtual edu32 GetBlock( void* p_dst, edu32 p_size );
virtual edu32 PutBlock( const void* p_src, edu32 p_size );
virtual edu32 GetSize();
virtual bool SetSize( edu32 p_newSize );
virtual edu32 GetPos();
virtual bool SetPos( edu32 p_newPos );
protected:
FILE* m_file;
};
Member Variables None Method Functions None Notes None See Also CEDMemIO Description Memory I/O object to emulate disk files in memory Status None Declaration
class CEDMemIO: public CEDIO
{
...
};
Member Variables Method Functions
Notes None See Also CEDMemIO::m_data Description Internal pointer to either attached data, or to dynamic data Status None Declaration
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protected:
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edu8* m_data;
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Notes None Sample Code None See Also CEDMemIO::m_pos Description Current position of in memory data Status None Declaration
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protected:
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edu32 m_pos;
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Notes None Sample Code None See Also CEDMemIO::m_size Description Current size of in memory data Status None Declaration
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protected:
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edu32 m_size;
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Notes None Sample Code None See Also CEDMemIO::m_limit Description Size of attached data in Read Mode. Amount of memory available before re-allocation is neccessary Status None Declaration
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protected:
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edu32 m_limit;
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Notes None Sample Code None See Also CEDMemIO::m_ownData Description Indicates whether or not data has been allocated by CEDMemIO Status None Declaration
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protected:
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bool m_ownData;
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Notes None Sample Code None See Also CEDMemIO::CEDMemIO Description CEDMemIO constructor. Initializes member variables to 0 or NULL Status None Declaration
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public:
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CEDMemIO();
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Return Values None Notes None Sample Code None See Also CEDMemIO::~CEDMemIO Description CEDMemIO destructor Status None Declaration
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public:
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virtual ~CEDMemIO();
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Return Values None Notes None Sample Code None See Also CEDMemIO::Open Description Attaches the CEDMemIO object to a variable for Read Only access Status None Declaration
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public:
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virtual bool Open( const char* p_name, void* p_data, edu32 p_size );
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Return Values None Notes None Sample Code None See Also CEDMemIO::Update Description Initializes CEDMemIO to store a copy of specified data, and to grow when neccessary Status None Declaration
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public:
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virtual bool Update( const char* p_name, void* p_data, edu32 p_size );
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Return Values None Notes None Sample Code None See Also CEDMemIO::Create Description Initializes CEDMemIO for dynamic memory growth Status None Declaration
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public:
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virtual bool Create( const char* p_name );
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Return Values None Notes None Sample Code None See Also CEDMemIO::Close Description Frees memory used on non-attached data Status None Declaration
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public:
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virtual void Close();
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Return Values None Notes None Sample Code None See Also CEDMemIO::Flush Description Stub for API compatibility Status None Declaration
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public:
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virtual void Flush();
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Return Values None Notes None Sample Code None See Also CEDMemIO::GetBlock Description Copies from memory file into destination pointer and advances m_pos Status None Declaration
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public:
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virtual edu32 GetBlock( void* p_dst, edu32 p_size );
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Return Values None Notes None Sample Code None See Also edio, CEDMemIO, CEDMemIO::m_pos, edu32 CEDMemIO::PutBlock Description Copies source pointer data into memory file and grows memory if neccessary Status None Declaration
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public:
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virtual edu32 PutBlock( const void* p_src, edu32 p_size );
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Return Values None Notes None Sample Code None See Also CEDMemIO::GetSize Description Returns size of attached data, or current internal data size Status None Declaration
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public:
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virtual edu32 GetSize();
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Return Values None Notes None Sample Code None See Also CEDMemIO::SetSize Description Truncates the file to specified size Status None Declaration
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public:
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virtual bool SetSize( edu32 p_newSize );
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Return Values None Notes None Sample Code None See Also CEDMemIO::GetPos Description Returns the current position of the data pointer Status None Declaration
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public:
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virtual edu32 GetPos();
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Return Values None Notes None Sample Code None See Also CEDMemIO::SetPos Description Sets the current pointer to specified position Status None Declaration
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public:
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virtual bool SetPos( edu32 p_newPos );
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Return Values None Notes None Sample Code None See Also Copyright 1993-2008 Orlando Llanes (edmmapi@gmail.com) |