BESConstraintFuncs.cc

// BESConstraintFuncs.cc
 
// This file is part of bes, A C++ back-end server implementation framework
// for the OPeNDAP Data Access Protocol.
 
// Copyright (c) 2004-2009 University Corporation for Atmospheric Research
// Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact University Corporation for Atmospheric Research at
// 3080 Center Green Drive, Boulder, CO 80301
 
// (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
// Please read the full copyright statement in the file COPYRIGHT_UCAR.
//
// Authors:
//      pwest       Patrick West <pwest@ucar.edu>
//      jgarcia     Jose Garcia <jgarcia@ucar.edu>
 
#include "BESConstraintFuncs.h"
#include "BESDataNames.h"
 
using std::string;
 
string
BESConstraintFuncs::pre_to_post_constraint( const string &name,
                         const string &pre_constraint )
{
    string str = pre_constraint ;
    string new_name = name ;
    new_name.append( "." ) ;
    if( !str.empty() /* != "" jhrg 4/1/14 */ )
    {
    str.insert( 0, new_name ) ;
    int pos = 0 ;
    pos = str.find( ',', pos ) ;
    while( pos != -1 )
    {
        pos++ ;
        str.insert( pos, new_name ) ;
        pos = str.find( ',', pos ) ;
    }
    }
 
    return str ;
}
 
void
BESConstraintFuncs::post_append( BESDataHandlerInterface &dhi )
{
    if( dhi.container )
    {
    string to_append ;
    if( dhi.container->get_constraint() != "" )
    {
        to_append =
        pre_to_post_constraint( dhi.container->get_symbolic_name(),
                    dhi.container->get_constraint() ) ;
    }
    else
    {
        to_append = dhi.container->get_symbolic_name() ;
    }
    string constraint = dhi.data[POST_CONSTRAINT] ;
    if( constraint != "" )
        constraint += "," ;
    constraint.append( to_append ) ;
    dhi.data[POST_CONSTRAINT] = constraint ;
    }
}