dmlite::IOHandler Class Reference

IO interface. More...

#include <io.h>

List of all members.

Public Types
	kSet = SEEK_SET
	Beginning of the file.
	kCur = SEEK_CUR
	Current position.
	kEnd = SEEK_END
	End of file.
enum	Whence { kSet = SEEK_SET, kCur = SEEK_CUR, kEnd = SEEK_END }
Public Member Functions
virtual	~IOHandler ()
	Virtual destructor.
virtual void	close (void)=0 throw (DmException)
	Close.
virtual size_t	read (char *buffer, size_t count)=0 throw (DmException)
virtual size_t	write (const char *buffer, size_t count)=0 throw (DmException)
virtual void	seek (off_t offset, Whence whence)=0 throw (DmException)
virtual off_t	tell (void)=0 throw (DmException)
	Return the cursor position.
virtual void	flush (void)=0 throw (DmException)
	Flush the buffer.
virtual bool	eof (void)=0 throw (DmException)
	Return true if end of file.

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Detailed Description

IO interface.

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Member Enumeration Documentation

enum dmlite::IOHandler::Whence

Enumerator:

kSet	Beginning of the file.
kCur	Current position.
kEnd	End of file.

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Constructor & Destructor Documentation

IOHandler::~IOHandler

(

)

[virtual]

Virtual destructor.

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Member Function Documentation

virtual void dmlite::IOHandler::close

(

void

)

throw (DmException) [pure virtual]

Close.

virtual bool dmlite::IOHandler::eof

(

void

)

throw (DmException) [pure virtual]

Return true if end of file.

virtual void dmlite::IOHandler::flush

(

void

)

throw (DmException) [pure virtual]

Flush the buffer.

virtual size_t dmlite::IOHandler::read	(	char *	buffer,
		size_t	count
	)			throw (DmException) [pure virtual]

Read.

Parameters:

	buffer	Where to store the data.
	count	Number of bytes to read.

Returns:

Number of bytes actually read.

virtual void dmlite::IOHandler::seek	(	off_t	offset,
		Whence	whence
	)			throw (DmException) [pure virtual]

Move the cursor.

Parameters:

	offset	The offset.
	whence	Reference.

virtual off_t dmlite::IOHandler::tell

(

void

)

throw (DmException) [pure virtual]

Return the cursor position.

virtual size_t dmlite::IOHandler::write	(	const char *	buffer,
		size_t	count
	)			throw (DmException) [pure virtual]

Write.

Parameters:

	buffer	Data to write.
	count	Number of bytes to write.

Returns:

Number of bytes actually written.

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The documentation for this class was generated from the following files:

• p/io.h
• Defaults.cpp

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