PoDoFo::NullStreamDevice Class Reference

An StreamDevice device that does nothing. More...

#include <StreamDevice.h>

Inheritance diagram for PoDoFo::NullStreamDevice:

Public Member Functions
size_t	GetLength () const override
size_t	GetPosition () const override
bool	Eof () const override
Public Member Functions inherited from PoDoFo::InputStreamDevice
bool	Peek (char &ch) const
	Peek at next char in stream.
Public Member Functions inherited from PoDoFo::InputStream
void	Read (char *buffer, size_t size)
	Read data from the device.
size_t	Read (char *buffer, size_t size, bool &eof)
	Read data from the device.
char	ReadChar ()
	Get next char from stream.
bool	Read (char &ch)
	Get next char from stream.
void	CopyTo (OutputStream &stream)
	Copy this stream to another.
void	CopyTo (OutputStream &stream, size_t size)
	Copy this stream to another.

Protected Member Functions
void	writeBuffer (const char *buffer, size_t size) override
size_t	readBuffer (char *buffer, size_t size, bool &eof) override
	Read a buffer from the stream /param eof true if the stream reached eof during read /returns number of read bytes.
bool	readChar (char &ch) override
	Read the next char in stream.
bool	peek (char &ch) const override
	Peek at next char in stream.
void	seek (ssize_t offset, SeekDirection direction) override
Protected Member Functions inherited from PoDoFo::StreamDevice
	StreamDevice (DeviceAccess access)
Protected Member Functions inherited from PoDoFo::InputStreamDevice
	InputStreamDevice (bool init)
void	checkRead () const override
	Optional checks before reading By default does nothing.

Additional Inherited Members
Static Protected Member Functions inherited from PoDoFo::StreamDevice
static size_t	SeekPosition (size_t curpos, size_t devlen, ssize_t offset, SeekDirection direction)
Static Protected Member Functions inherited from PoDoFo::InputStream
static size_t	ReadBuffer (InputStream &stream, char *buffer, size_t size, bool &eof)
static bool	ReadChar (InputStream &stream, char &ch)

Detailed Description

An StreamDevice device that does nothing.

Member Function Documentation

peek()

bool NullStreamDevice::peek ( char &  ch ) const

overrideprotectedvirtual

Peek at next char in stream.

/returns true if success, false if EOF

Implements PoDoFo::InputStreamDevice.

readBuffer()

size_t NullStreamDevice::readBuffer ( char *  buffer, size_t  size, bool &  eof  )

overrideprotectedvirtual

Read a buffer from the stream /param eof true if the stream reached eof during read /returns number of read bytes.

Implements PoDoFo::InputStream.

readChar()

bool NullStreamDevice::readChar ( char &  ch )

overrideprotectedvirtual

Read the next char in stream.

/returns true if success, false if EOF

Reimplemented from PoDoFo::InputStream.

writeBuffer()

void NullStreamDevice::writeBuffer ( const char *  buffer, size_t  size  )

overrideprotectedvirtual

Implements PoDoFo::OutputStream.

---

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

• src/podofo/auxiliary/StreamDevice.h
• src/podofo/auxiliary/StreamDevice.cpp