ROBFragment24.cxx

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// Dear emacs, this is -*- c++ -*-
 
/**
 * @file old/ROBFragment.cxx
 * @author <a href="mailto:Andre.dos.Anjos@cern.ch">Andre DOS ANJOS</a>
 * $Author: zhangy $
 * $Revision: 1.1.1.1 $
 * $Date: 2009/06/19 07:35:41 $
 *
 * Implements the old eformat 2.4 ROB fragment
 */
 
#include "eformat/HeaderMarker.h"
#include "eformat/SizeCheckIssue.h"
#include "eformat/old/ROBFragment.h"
#include "eformat/old/RODFragment.h"
 
eformat::old::ROBFragment::ROBFragment( const uint32_t* it )
    : eformat::old::Header( it, eformat::ROB ), m_start( specific_header() ) {}
 
bool eformat::old::ROBFragment::check() const {
  eformat::old::Header::check(); //< first do a generic check
  if ( nspecific() != 4 ) throw EFORMAT_SIZE_CHECK( 4, nspecific() );
  return true;
}
 
bool eformat::old::ROBFragment::check_tree() const {
  check(); // check myself
  for ( size_t i = 0; i < noffset(); ++i )
  {
    size_t rod_size = 0;
    // typical
    if ( noffset() == 1 ) rod_size = fragment_size_word() - header_size_word();
    else
    { // more atypical, have to calculate
      if ( i != noffset() - 1 ) rod_size = ( 0xffffff & offset()[i + 1] );
      else rod_size = fragment_size_word();
      rod_size -= ( 0xffffff & offset()[i] );
    }
    eformat::old::RODFragment f( child( i ), rod_size );
    f.check();
  }
  return true;
}
 
eformat::old::RODFragment eformat::old::ROBFragment::rod( size_t n ) const {
  check();
  size_t rod_size = 0;
  // typical
  if ( noffset() == 1 ) rod_size = fragment_size_word() - header_size_word();
  else
  { // more atypical, have to calculate
    if ( n != noffset() - 1 ) rod_size = ( 0xffffff & offset()[n + 1] );
    else rod_size = fragment_size_word();
    rod_size -= ( 0xffffff & offset()[n] );
  }
  eformat::old::RODFragment f( child( n ), rod_size );
  f.check();
  return f;
}