BESConstraintFuncs.cc

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00001 // BESConstraintFuncs.cc
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00033 #include "BESConstraintFuncs.h"
00034 #include "BESDataNames.h"
00035 
00036 string
00037 BESConstraintFuncs::pre_to_post_constraint( const string &name,
00038                                              const string &pre_constraint )
00039 {
00040     string str = pre_constraint ;
00041     string new_name = name ;
00042     new_name.append( "." ) ;
00043     if( str != "" )
00044     {
00045         str.insert( 0, new_name ) ;
00046         int pos = 0 ;
00047         pos = str.find( ',', pos ) ;
00048         while( pos != -1 )
00049         {
00050             pos++ ;
00051             str.insert( pos, new_name ) ;
00052             pos = str.find( ',', pos ) ;
00053         }
00054     }
00055 
00056     return str ;
00057 }
00058 
00059 void
00060 BESConstraintFuncs::post_append( BESDataHandlerInterface &dhi )
00061 {
00062     if( dhi.container && dhi.container->get_constraint() != "" )
00063     {
00064         string to_append =
00065             pre_to_post_constraint( dhi.container->get_symbolic_name(),
00066                                     dhi.container->get_constraint() ) ;
00067         string constraint = dhi.data[POST_CONSTRAINT] ;
00068         if( constraint != "" )
00069             constraint += "," ;
00070         constraint.append( to_append ) ;
00071         dhi.data[POST_CONSTRAINT] = constraint ;
00072     }
00073 }
00074 

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