# Copyright 2005-2017 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# 
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
#

   lookup[1]    sectionNumber(4) ;

   if(sectionNumber == 1 or new() ){
      position     sectionPosition;
      template     section_1 "grib2/section.1.def";
   }

   lookup[1]    sectionNumber(4) ;
   
   transient grib2LocalSectionPresent=0;
   alias section2Used=zero;
   alias setLocalDefinition=grib2LocalSectionPresent;
   transient deleteLocalDefinition=0;

   if( (sectionNumber == 2 or grib2LocalSectionPresent>0) and deleteLocalDefinition == 0 ){
      position     sectionPosition;
      template     section_2 "grib2/section.2.def";
   }
   alias localUsePresent=section2Used;
   
   lookup[1]    sectionNumber(4) ;

   if(sectionNumber == 3 or new() ){
      position     sectionPosition;
      template     section_3 "grib2/section.3.def";
   }


   lookup[1]    sectionNumber(4) ;

   if(sectionNumber == 4 or new() ){
      position     sectionPosition;
      template     section_4 "grib2/section.4.def";
   }

   # Used to mark end of headers. Can be accessed with grib_get_offset()
   position   endOfHeadersMarker;

   meta lengthOfHeaders evaluate( endOfHeadersMarker-startOfHeaders);
   meta md5Headers md5(startOfHeaders,lengthOfHeaders);

   lookup[1]    sectionNumber(4) ;

   if(sectionNumber == 5 or new() ){
      position     sectionPosition;
      template     section_5 "grib2/section.5.def";
   }

   lookup[1]    sectionNumber(4) ;

   if(sectionNumber == 6 or new() ){
      position     sectionPosition;
      template     section_6 "grib2/section.6.def";
   }

   lookup[1]    sectionNumber(4) ;

   if(sectionNumber == 7 or new() ){
      position     sectionPosition;
      template     section_7 "grib2/section.7.def";
   }


   #template     metas "grib2/meta.def";
