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Essential Tools Module Reference Guide

RWbostream

Module:  Essential Tools Module   Group:  Virtual Stream


RWvostreamRWvios RWbostream ios

Local Index

Members

Synopsis

#include <rw/bstream.h>
// Construct an RWbostream, using cout's streambuf:
RWbostream bstr(std::cout);

Description

Class RWbostream specializes the abstract base class RWvostream to store variables in binary format. The results can be restored by using its counterpart RWbistream.

You can think of it as a binary veneer over an associated streambuf. Because the RWbostream retains no information about the state of its associated streambuf, its use can be freely exchanged with other users of the streambuf (such as ostream or ofstream).

Note that variables should not be separated with white space. Such white space would be interpreted literally and would have to be read back in as a character string.

RWbostream can be interrogated as to the stream state using member functions good(), bad(), eof(), etc.

Persistence

None

Example

See RWbistream for an example of how the file "data.dat" might be read back in.

Public Constructors

RWbostream(streambuf* s);
RWbostream(ostream& str);

Public Destructor

virtual ~RWvostream();

Public Operators

virtual RWvostream&
operator<<(const char* s);
virtual RWvostream&
operator<<(const wchar_t* ws);
virtual RWvostream&
operator<<(char c);
virtual RWvostream&
operator<<(wchar_t wc);
virtual RWvostream&
operator<<(unsigned char c);
virtual RWvostream&
operator<<(double d);
virtual RWvostream&
operator<<(long double d);
virtual RWvostream&
operator<<(float f);
virtual RWvostream&
operator<<(int i);
virtual RWvostream&
operator<<(unsigned int i);
virtual RWvostream&
operator<<(long l);
virtual RWvostream&
operator<<(long long l);
virtual RWvostream&
operator<<(unsigned long l);
virtual RWvostream&
operator<<(unsigned long long);
virtual RWvostream&
operator<<(short s);
virtual RWvostream&
operator<<(unsigned short s);
operator void*();

Public Member Functions

virtual RWvostream&
flush();
virtual RWvostream&
put(char c);
virtual RWvostream&
put(wchar_t wc);
virtual RWvostream&
put(unsigned char c);
virtual RWvostream&
put(const char* p, size_t N);
virtual RWvostream&
put(const wchar_t* p, size_t N);
virtual RWvostream&
put(const unsigned char* p, size_t N);
virtual RWvostream&
put(const short* p, size_t N);
virtual RWvostream&
put(const unsigned short* p, size_t N);
virtual RWvostream&
put(const int* p, size_t N);
virtual RWvostream&
put(const unsigned int* p, size_t N);
virtual RWvostream&
put(const long* p, size_t N);
virtual RWvostream&
put(const long long* p, size_t N);
virtual RWvostream&
put(const unsigned long* p, size_t N);
virtual RWvostream&
put(const unsigned long long* p, size_t N);
virtual RWvostream&
put(const float* p, size_t N);
virtual RWvostream&
put(const double* p, size_t N);
virtual RWvostream&
put(const long double* p, size_t N);
virtual RWvostream&
putString(const char* p, size_t N);
virtual RWvostream&
putString(const char*s, size_t N);


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