XtcIterator.cc

/*
** ++
**  Package:
**	OdfContainer
**
**  Abstract:
**     non-inline functions for "InXtcIterator.hh"
**      
**  Author:
**      Michael Huffer, SLAC, (415) 926-4269
**
**  Creation Date:
**	000 - October 11,1998
**
**  Revision History:
**	None.
**
** --
*/

#include "pdsdata/xtc/XtcIterator.hh"
#include "pdsdata/xtc/Xtc.hh"

using namespace Pds;

/*
** ++
**
**   Iterate over the collection specifed as an argument to the function.
**   For each "Xtc" found call back the "process" function. If the
**   "process" function returns zero (0) the iteration is aborted and
**   control is returned to the caller. Otherwise, control is returned
**   when all elements of the collection have been scanned.
**
** --
*/

void XtcIterator::iterate(Xtc* root) 
  {
    if (root->damage.value() & ( 1 << Damage::IncompleteContribution)){
      return;
    }

    Xtc* xtc     = (Xtc*)root->payload();
    int remaining = root->sizeofPayload();

  while(remaining > 0)
    {
    if(!process(xtc)) break;
    remaining -= xtc->sizeofPayload() + sizeof(Xtc);
    xtc      = xtc->next();
    }

  return;
  }