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tnbufstream Class Referenceabstract

#include <simplestream.h>

Inheritance diagram for tnbufstream:
Inheritance graph
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Public Member Functions

 tnbufstream ()
 
virtual void writedata (const void *buf, int size)
 writes data to the stream More...
 
virtual int readdata (void *buf, int size, bool excpt=true)
 Reads data from the stream. More...
 
virtual ~tnbufstream ()
 
- Public Member Functions inherited from tnstream
 tnstream ()
 
virtual void readpchar (char **pc, int maxlength=0)
 Reads a string. More...
 
virtual void readpnchar (char **pc, int maxlength=0)
 Reads a string. More...
 
virtual bool readTextString (ASCString &s, bool includeCR=false)
 Reads a string. More...
 
virtual ASCString readString (bool includeCR=false)
 Reads and returns a string. More...
 
virtual void writepchar (const char *pc)
 write the C-String pc to the stream More...
 
virtual void writeString (const string &pc, bool binary=true)
 writes the C++ String pc to the stream. More...
 
virtual int readInt (void)
 Reads a 32 bit signed Integer. In the stream little-endian byte order is used and a translation is performed, if necessary. More...
 
virtual int readWord (void)
 Reads a 16 bit unsigned Integer. In the stream little-endian byte order is used and a translation is performed, if necessary. More...
 
virtual Uint8 readUint8 (void)
 Reads a 8 bit unsigned Integer. More...
 
virtual char readCharacter (void)
 Read a 8 bit character. More...
 
template<size_t N>
void writeBitset (const std::bitset< N > &bs)
 
template<size_t N>
void readBitset (std::bitset< N > &bs)
 
virtual float readFloat (void)
 Reads a flaot variable. More...
 
virtual void writeInt (int i)
 Writes a 32 bit signed Integer. In the stream little-endian byte order is used and a translation is performed, if necessary. More...
 
virtual void writeInt (unsigned int i)
 
void writeInt (bool b)
 
virtual void writeWord (int w)
 Writes a 16 bit unsigned Integer. In the stream little-endian byte order is used and a translation is performed, if necessary. More...
 
virtual void writeUint8 (Uint8 c)
 Writes a 8 bit unsigned Integer. More...
 
virtual void writeCharacter (char c)
 Writes a 8 bit character. More...
 
virtual void writeFloat (float f)
 Write a floating point variable. More...
 
virtual void writerlepict (const void *buf)
 Writes an image to the stream and compresses it using RLE. More...
 
virtual void writeImage (const void *buf, bool compress=true)
 Writes an image to the stream. More...
 
virtual void readrlepict (void **pnter, bool allocated, int *size)
 Writes an RLE compressed or uncompressed image from the stream. More...
 
virtual ASCString getDeviceName ()
 returns the name of the stream. More...
 
virtual ASCString getLocation ()
 returns the location of the stream. More...
 
virtual ASCString getArchive ()
 returns the archive name if the stream is located inside an archive; or "" if not. More...
 
virtual void seek (int newpos)
 Sets the stream pointer to a new location. An exception is thrown if the stream does not support seeking. More...
 
virtual int getSize (void)
 returns the size of the stream or -1 if the stream does not have a size More...
 
virtual ~tnstream ()
 

Protected Member Functions

virtual void readbuffer (void)=0
 
virtual void writebuffer (void)=0
 
virtual void close (void)
 

Protected Attributes

Uint8 * zeiger
 
IOMode _mode
 
int actmempos
 
int memsize
 
int datasize
 
- Protected Attributes inherited from tnstream
ASCString devicename
 

Additional Inherited Members

- Public Types inherited from tnstream
enum  IOMode { uninitialized, reading, writing, appending }
 the modes in which a stream can operate More...
 

Detailed Description

Definition at line 29 of file simplestream.h.

Constructor & Destructor Documentation

tnbufstream::tnbufstream ( )

Definition at line 47 of file simplestream.cpp.

References _mode, actmempos, datasize, memsize, tnstream::uninitialized, and zeiger.

tnbufstream::~tnbufstream ( )
virtual

Definition at line 139 of file simplestream.cpp.

References memsize, and zeiger.

Member Function Documentation

virtual void tnbufstream::close ( void  )
inlineprotectedvirtual
virtual void tnbufstream::readbuffer ( void  )
protectedpure virtual

Implemented in tn_file_buf_stream.

Referenced by readdata().

int tnbufstream::readdata ( void *  buf,
int  size,
bool  excpt = true 
)
virtual

Reads data from the stream.

Parameters
bufthe buffer which the data is written to
sizethe number of bytes which should be read
excptIf true the operation will throw an exception if the desired number of bytes cannot be read.
Returns
the number of bytes which were read.

Implements tnstream.

Reimplemented in tn_lzw_file_buf_stream.

Definition at line 68 of file simplestream.cpp.

References _mode, actmempos, datasize, tnstream::getDeviceName(), readbuffer(), tnstream::reading, and zeiger.

Referenced by tn_lzw_file_buf_stream::readcmpdata(), tn_c_lzw_filestream::readcmpdata(), tncontainerstream::readcontainerdata(), tn_c_lzw_filestream::readdata(), and tncontainerstream::tncontainerstream().

void tnbufstream::writebuffer ( void  )
protectedpure virtual

Implemented in tn_file_buf_stream.

Definition at line 2454 of file basestrm.cpp.

Referenced by writedata().

void tnbufstream::writedata ( const void *  buf,
int  size 
)
virtual

writes data to the stream

Parameters
bufpointer to the buffer
sizethe number of bytes which are going to be written

Implements tnstream.

Reimplemented in tn_lzw_file_buf_stream.

Definition at line 108 of file simplestream.cpp.

References _mode, actmempos, tnstream::getDeviceName(), memsize, writebuffer(), tnstream::writing, and zeiger.

Referenced by tn_lzw_file_buf_stream::writecmpdata(), tn_c_lzw_filestream::writecmpdata(), and writepcx().

Member Data Documentation

IOMode tnbufstream::_mode
protected
int tnbufstream::actmempos
protected
int tnbufstream::datasize
protected
int tnbufstream::memsize
protected
Uint8* tnbufstream::zeiger
protected

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