Header24.cxx

Go to the documentation of this file.

// Dear emacs, this is -*- c++ -*-
 
/**
 * @file old/Header.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 Header class
 */
 
#include "eformat/BadVersionIssue.h"
#include "eformat/HeaderMarker.h"
#include "eformat/NoSuchChildIssue.h"
#include "eformat/SizeCheckIssue.h"
#include "eformat/Version.h"
#include "eformat/WrongMarkerIssue.h"
#include "eformat/old/Header.h"
 
eformat::old::Header::Header( const uint32_t* it, uint32_t match ) : m_start( it ) {
  // get endiannesso
  uint32_t m = marker();
  if ( m != match ) throw EFORMAT_WRONG_MARKER( m, match );
}
 
bool eformat::old::Header::check() const {
  if ( version() >> 16 != eformat::MAJOR_OLD_VERSION )
    throw EFORMAT_BAD_VERSION( version() >> 16, eformat::MAJOR_OLD_VERSION );
  if ( header_size_word() != ( 9 + nstatus() + noffset() + nspecific() ) )
    throw EFORMAT_SIZE_CHECK( header_size_word(),
                              ( 9 + nstatus() + noffset() + nspecific() ) );
  return true;
}
 
const uint32_t* eformat::old::Header::child( size_t n ) const {
  if ( n >= noffset() ) throw EFORMAT_NO_SUCH_CHILD( n, noffset() );
  return &m_start[0xffffff & offset()[n]];
}