Qore::BufferedStreamReader Class Reference

This class defines a buffered stream reader for input streams. More...

#include <QC_BufferedStreamReader.dox.h>

Inheritance diagram for Qore::BufferedStreamReader:

Public Member Methods
	constructor (Qore::InputStream is, *string encoding, int bufsize=DefaultStreamBufferSize)
	Creates the BufferedStreamReader for reading data from the given InputStream. More...
Public Member Methods inherited from Qore::StreamReader
	constructor (Qore::InputStream is, *string encoding)
	Creates the StreamReader for reading data from the given InputStream. More...
string	getEncoding ()
	Returns the character encoding for the StreamReader. More...
InputStream	getInputStream ()
	Returns the InputStream for the StreamReader. More...
*binary	readBinary (int limit=-1)
	Reads binary data from the input stream up to a given limit. More...
*string	readLine (*string eol, bool trim=True)
	Reads a text line from the input stream. More...
*string	readString (int limit=-1)
	Reads a string from the input stream. More...
int	readi1 ()
	Reads a 1-byte signed integer from the input stream. More...
int	readi2 ()
	Reads a 2-byte (16 bit) signed integer from the input stream in binary big-endian format. More...
int	readi2LSB ()
	Reads a 2-byte (16 bit) signed integer from the input stream in binary little-endian format. More...
int	readi4 ()
	Reads a 4-byte (32 bit) signed integer from the input stream in binary big-endian format. More...
int	readi4LSB ()
	Reads a 4-byte (32 bit) signed integer from the input stream in binary little-endian format. More...
int	readi8 ()
	Reads a 8-byte (64 bit) signed integer from the input stream in binary big-endian format. More...
int	readi8LSB ()
	Reads a 8-byte (64 bit) signed integer from the input stream in binary little-endian format. More...
int	readu1 ()
	Reads a 1-byte unsigned integer from the input stream. More...
int	readu2 ()
	Reads a 2-byte (16 bit) unsigned integer from the input stream in binary big-endian format. More...
int	readu2LSB ()
	Reads a 2-byte (16 bit) unsigned integer from the input stream in binary little-endian format. More...
int	readu4 ()
	Reads a 4-byte (32 bit) unsigned integer from the input stream in binary big-endian format. More...
int	readu4LSB ()
	Reads a 4-byte (32 bit) unsigned integer from the input stream in binary little-endian format. More...

Detailed Description

This class defines a buffered stream reader for input streams.

Since

Qore 0.8.13

Example: BufferedStreamReader basic usage

FileInputStream is("data.txt");
BufferedStreamReader sr(is, "UTF-8");
 
*string line = sr.readLine();
*binary b = sr.readBinary(256);
int i = sr.readi4();

See also

Qore::InputStream

Member Function Documentation

constructor()

Qore::BufferedStreamReader::constructor	(	Qore::InputStream	is,
		*string	encoding,
		int	bufsize = DefaultStreamBufferSize
	)

Creates the BufferedStreamReader for reading data from the given InputStream.

Parameters

is	the InputStream for reading data
encoding	the character encoding of the data from the InputStream; if not present, the default character encoding is assumed
bufsize	the size of the internal buffer in bytes; must be a positive integer

Exceptions

STREAM-BUFFER-ERROR

an invalid stream buffer size was specified; the buffer size must be a positive integer