memreader.h

upnpsdk-1.0.4.tar.gz Intel UPnP SDK Source

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// $Revision: 1.1.1.2 $
// $Date: 2001/06/15 00:21:35 $

#ifndef GENLIB_UTIL_MEMREADER_H
#define GENLIB_UTIL_MEMREADER_H

#include <genlib/util/util.h>
#include <genlib/meta/stream/charreader.h>

// simulates a character stream from memory
class MemReader : public CharReader
{
public:
    // string s is 'not freed' on destruction
    MemReader( const char* str );
    MemReader( const void* binaryData, int length );
    
	// throws OutOfBoundsException
    char getChar();

	// throws OutOfBoundsException
    void pushBack();
    
    // bufferSize - 1 max string returned; null-terminated
    int read( INOUT void* databuf, IN int bufferSize );
    
    bool endOfStream();
    
private:
    char* buf;
    int index;
    int len;
};


#endif /* GENLIB_UTIL_MEMREADER_H */