SampleSayCommand.cc

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00001 // SampleSayCommand.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 "SampleSayCommand.h"
00034 #include "BESTokenizer.h"
00035 #include "BESResponseHandlerList.h"
00036 #include "BESSyntaxUserError.h"
00037 #include "SampleResponseNames.h"
00038 
00039 BESResponseHandler *
00040 SampleSayCommand::parse_request( BESTokenizer &tokenizer,
00041                                            BESDataHandlerInterface &dhi )
00042 {
00043     string my_token ;
00044 
00045     /* No sub command, so proceed with the default command
00046      */
00047     dhi.action = SAY_RESPONSE ;
00048     BESResponseHandler *retResponse =
00049         BESResponseHandlerList::TheList()->find_handler( SAY_RESPONSE ) ;
00050     if( !retResponse )
00051     {
00052         string s = (string)"No response handler for command " + SAY_RESPONSE ;
00053         throw BESSyntaxUserError( s, __FILE__, __LINE__ ) ;
00054     }
00055 
00056     my_token = tokenizer.get_next_token() ;
00057     if( my_token == ";" )
00058     {
00059         tokenizer.parse_error( my_token + " not expected\n" ) ;
00060     }
00061 
00062     // Here is where your code would parse the tokens
00063     dhi.data[SAY_WHAT] = my_token ;
00064 
00065     // Next token should be the token "to"
00066     my_token = tokenizer.get_next_token() ;
00067     if( my_token != "to" )
00068     {
00069         tokenizer.parse_error( my_token + " not expected\n" ) ;
00070     }
00071 
00072     // Next token should be what is being said
00073     my_token = tokenizer.get_next_token() ;
00074     if( my_token == ";" )
00075     {
00076         tokenizer.parse_error( my_token + " not expected\n" ) ;
00077     }
00078     dhi.data[SAY_TO] = my_token ;
00079 
00080     // Last token should be the terminating semicolon (;)
00081     my_token = tokenizer.get_next_token() ;
00082     if( my_token != ";" )
00083     {
00084         tokenizer.parse_error( my_token + " not expected\n" ) ;
00085     }
00086 
00087     return retResponse ;
00088 }
00089 
00096 void
00097 SampleSayCommand::dump( ostream &strm ) const
00098 {
00099     strm << BESIndent::LMarg << "SampleSayCommand::dump - ("
00100                              << (void *)this << ")" << endl ;
00101     BESIndent::Indent() ;
00102     BESCommand::dump( strm ) ;
00103     BESIndent::UnIndent() ;
00104 }
00105 

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