OPeNDAP Hyrax Back End Server (BES)  Updated for version 3.8.3
BESUtil.h
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00001 // BESUtil.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) 2004-2009 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 #ifndef E_BESUtil_h
00034 #define E_BESUtil_h 1
00035 
00036 #include <string>
00037 #include <list>
00038 #include <iostream>
00039 
00040 using std::string ;
00041 using std::list ;
00042 using std::ostream ;
00043 
00044 class BESUtil
00045 {
00046 private:
00047     static string               rfc822_date( const time_t t ) ;
00048 
00049     static string               entity( char c ) ;
00050 public:
00061     static void                 set_mime_text( ostream &strm ) ;
00062     static void                 set_mime_html( ostream &strm ) ;
00063 
00065     static string               www2id( const string &in,
00066                                         const string &escape = "%",
00067                                         const string &except = "" ) ;
00068     static string               unhexstring( string s ) ;
00069 
00071     static string               lowercase( const string &s ) ;
00072 
00074     static string               unescape( const string &s ) ;
00075 
00077     static void                 check_path( const string &path,
00078                                             const string &root,
00079                                             bool follow_sym_links ) ;
00080 
00082     static char *               fastpidconverter( char *buf,
00083                                                   int base ) ;
00084     static char *               fastpidconverter( long val,
00085                                                   char *buf,
00086                                                   int base ) ;
00087 
00089     static void                 removeLeadingAndTrailingBlanks( string &key ) ;
00090 
00092     static string               id2xml( string in,
00093                                         const string &not_allowed = "><&'\"" ) ;
00094 
00096     static string               xml2id( string in ) ;
00097 
00099     static void                 explode( char delim, const string &str,
00100                                          list<string> &values ) ;
00101 
00103     static string               implode( const list<string> &values,
00104                                          char delim ) ;
00105 } ;
00106 
00107 #endif // E_BESUtil_h
00108