hexDump.h

 
#ifndef HEXDUMP_H_
#define HEXDUMP_H_
 
#include <ostream>
 
#ifdef epicsExportSharedSymbols
#   define hexDumpEpicsExportSharedSymbols
#   undef epicsExportSharedSymbols
#endif
 
#include <pv/pvType.h>
 
#ifdef  hexDumpEpicsExportSharedSymbols
#   define epicsExportSharedSymbols
#   undef hexDumpEpicsExportSharedSymbols
#endif
 
#include <shareLib.h>
 
namespace epics {
namespace pvData {
class ByteBuffer;
}
namespace pvAccess {
 
class epicsShareClass HexDump {
    const char* buf;
    size_t buflen;
    size_t _limit;
    unsigned _groupBy;
    unsigned _perLine;
public:
    HexDump(const char* buf, size_t len);
    explicit HexDump(const pvData::ByteBuffer& buf, size_t size=(size_t)-1, size_t offset=0u);
    ~HexDump();

    inline HexDump& limit(size_t n=(size_t)-1)        { _limit = n; return *this; }
    inline HexDump& bytesPerGroup(size_t n=(size_t)-1) { _groupBy = n; return *this; }
    inline HexDump& bytesPerLine(size_t n=(size_t)-1) { _perLine = n; return *this; }
 
    epicsShareFunc
    friend std::ostream& operator<<(std::ostream& strm, const HexDump& hex);
};
 
epicsShareFunc
std::ostream& operator<<(std::ostream& strm, const HexDump& hex);
 
}
}
 
#endif /* HEXDUMP_H_ */