/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Event/eformat/eformat-00-00-04/eformat/util.h

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//Dear emacs, this is -*- c++ -*-

#ifndef EFORMAT_UTIL_H
#define EFORMAT_UTIL_H

#include <fstream>
#include <stdint.h>
#include <cstdlib>
#include "eformat/HeaderMarker.h"
#include "eformat/WrongMarkerIssue.h"

namespace eformat {

  uint32_t* next_fragment (std::fstream& fs, uint32_t* addr=0, size_t size=0);

  size_t find_rods (const uint32_t* block_start, size_t block_size,
                    const uint32_t** rod=0, uint32_t* rod_size=0,
                    size_t max_count=0);

  template <class TPointer>
  size_t find_fragments (eformat::HeaderMarker marker, 
                         TPointer block_start, size_t block_size,
                         TPointer* frag=0, size_t max_count=0);

  size_t get_robs (const uint32_t* fragment, const uint32_t** rob,
                   size_t max_count);

}

#ifndef HEX
#define HEX(m) "0x" << std::hex << (int)m  << std::dec << " (" << (int)m << ")"
#endif

template <class TPointer>
size_t eformat::find_fragments (eformat::HeaderMarker marker, 
                                TPointer block_start, size_t block_size,
                                TPointer* frag, size_t max_count)
{
  uint32_t counter = 0;
  TPointer next = block_start;
  TPointer endp = block_start;
  endp += block_size;
  while (next < endp) {
    if (next[0] != marker) throw EFORMAT_WRONG_MARKER(next[0], marker);
    if (frag && counter < max_count) frag[counter] = next;
    ++counter;
    next += next[1];
  }
  return counter;
}


#endif //EFORMAT_UTIL_H

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