fc::iobuffer Class Reference

#include <iobuffer.hpp>

Inheritance diagram for fc::iobuffer:

Collaboration diagram for fc::iobuffer:

Public Member Functions
	iobuffer (size_t s)
size_t	size () const
size_t	pos () const
size_t	seek (size_t pos)
virtual size_t	readsome (char *buf, size_t len)
char	peek () const
virtual size_t	writesome (const char *buf, size_t len)
char *	data ()
virtual void	close ()
virtual void	flush ()

Detailed Description

Definition at line 32 of file iobuffer.hpp.

Constructor & Destructor Documentation

iobuffer()

fc::iobuffer::iobuffer ( size_t s )

inline

Definition at line 35 of file iobuffer.hpp.

      :_data(s){}

Member Function Documentation

close()

virtual void fc::iobuffer::close ( )

inlinevirtual

Definition at line 73 of file iobuffer.hpp.

{}

data()

char * fc::iobuffer::data ( )

inline

Definition at line 71 of file iobuffer.hpp.

{ return _data.data(); }

flush()

virtual void fc::iobuffer::flush ( )

inlinevirtual

Definition at line 74 of file iobuffer.hpp.

{}

peek()

char fc::iobuffer::peek ( ) const

inline

This method may block until at least 1 character is available.

Definition at line 57 of file iobuffer.hpp.

      { 
          if( _pos == _data.size() ) throw fc::eof_exception();
         return _data[_pos]; 
      }

pos()

size_t fc::iobuffer::pos ( ) const

inline

Definition at line 39 of file iobuffer.hpp.

{ return _pos;  }

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readsome()

virtual size_t fc::iobuffer::readsome ( char * buf, size_t len )

inlinevirtual

Definition at line 45 of file iobuffer.hpp.

      {
          auto avail = std::min<size_t>( _data.size()-_pos, len );
          if( avail == 0 ) throw fc::eof_exception();
          memcpy( buf, _data.data()+_pos, avail );
          _pos += avail;
          return avail;
      }

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seek()

size_t fc::iobuffer::seek ( size_t pos )

inline

Definition at line 40 of file iobuffer.hpp.

      { 
         return _pos = std::min<size_t>(_data.size(),pos); 
      }

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size()

size_t fc::iobuffer::size ( ) const

inline

Definition at line 38 of file iobuffer.hpp.

{ return _data.size(); }

writesome()

virtual size_t fc::iobuffer::writesome ( const char * buf, size_t len )

inlinevirtual

Definition at line 63 of file iobuffer.hpp.

      {
         auto avail = std::max<size_t>( _data.size(), _pos + len );
         _data.resize(avail);
         memcpy( _data.data()+_pos, buf, len );
         _pos += avail;
         return avail;
      }

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

• libraries/fc/include/fc/io/iobuffer.hpp