BESKeys.h

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00001 // BESKeys.h
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) 2004,2005 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 Atmostpheric 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 #ifndef BESKeys_h_
00034 #define BESKeys_h_ 1
00035 
00036 #include <fstream>
00037 #include <map>
00038 #include <string>
00039 
00040 using std::string ;
00041 using std::map ;
00042 using std::ifstream ;
00043 
00044 #include "BESObj.h"
00045 
00082 class BESKeys : public BESObj
00083 {
00084 private:
00085     ifstream *          _keys_file ;
00086     string              _keys_file_name ;
00087     map<string,string> *_the_keys ;
00088 
00089     void                clean() ;
00090     void                load_keys() ;
00091     bool                break_pair( const char* b,
00092                                     string& key,
00093                                     string &value ) ;
00094     bool                only_blanks( const char *line ) ;
00095                         BESKeys() {}
00096 protected:
00097                         BESKeys( const string &keys_file_name ) ;
00098 public:
00099                         ~BESKeys() ;
00100 
00101     string              keys_file_name() { return _keys_file_name ; }
00102 
00103     string              set_key( const string &key, const string &val ) ;
00104     string              set_key( const string &pair ) ;
00105     string              get_key( const string& s, bool &found ) ;
00106     void                show_keys();
00107 
00108     typedef map< string, string >::const_iterator Keys_citer ;
00109     Keys_citer          keys_begin() { return _the_keys->begin() ; }
00110     Keys_citer          keys_end() { return _the_keys->end() ; }
00111 
00112     virtual void                dump( ostream &strm ) const ;
00113 };
00114 
00115 #endif // BESKeys_h_
00116 

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