Error.h

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00001 
00002 // -*- mode: c++; c-basic-offset:4 -*-
00003 
00004 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
00005 // Access Protocol.
00006 
00007 // Copyright (c) 2002,2003 OPeNDAP, Inc.
00008 // Author: James Gallagher <jgallagher@opendap.org>
00009 //
00010 // This library is free software; you can redistribute it and/or
00011 // modify it under the terms of the GNU Lesser General Public
00012 // License as published by the Free Software Foundation; either
00013 // version 2.1 of the License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 //
00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
00025 
00026 // (c) COPYRIGHT URI/MIT 1999,2000
00027 // Please read the full copyright statement in the file COPYRIGHT_URI.
00028 //
00029 // Authors:
00030 //      jhrg,jimg       James Gallagher <jgallagher@gso.uri.edu>
00031 
00032 // Interface for the Error class
00033 //
00034 // jhrg 4/23/96
00035 
00036 #ifndef _error_h
00037 #define _error_h
00038 
00039 
00040 #include <stdio.h>  // For FILE *
00041 
00042 #include <iostream>
00043 #include <string>
00044 
00045 using std::cout;
00046 using std::string;
00047 
00053 typedef int ErrorCode; //using standard errno+netCDF error codes from server
00054 
00057 #define    undefined_error   1000 
00058 #define    unknown_error     1001 
00059 #define    internal_error    1002 
00060 #define    no_such_file      1003
00061 #define    no_such_variable  1004
00062 #define    malformed_expr    1005
00063 #define    no_authorization  1006
00064 #define    can_not_read_file 1007
00065 #define    cannot_read_file  1008
00066 
00067 
00069 enum ProgramType {
00070     undefined_prog_type = -1,
00071     no_program,   // if there is no program
00072     java,
00073     tcl
00074 };
00075 
00095 class Error
00096 {
00097 protected:
00098     ErrorCode _error_code;
00099     string _error_message;
00100     ProgramType _program_type; 
00101     char *_program;  
00102 
00103 public:
00105     Error(ErrorCode ec, string msg);
00107     Error(string msg);
00108 #if 0
00110     Error(ErrorCode ec, string msg, ProgramType pt, char *pgm);
00111 #endif
00113     Error();
00114 
00116     Error(const Error &copy_from);
00117 
00118     virtual ~Error();
00119 
00120     Error &operator=(const Error &rhs);
00121 
00123     bool OK() const;
00125     bool parse(FILE *fp);
00127     void print(FILE *out) const;
00129     ErrorCode get_error_code() const;
00131     string get_error_message() const;
00133     void set_error_code(ErrorCode ec = undefined_error);
00135     void set_error_message(string msg = "");
00136 #if 0
00138     ProgramType get_program_type() const;
00140     const char *get_program() const;
00142     void set_program_type(ProgramType pt = undefined_prog_type);
00144     void set_program(char *program);
00146     void display_message(void *gui = 0) const;
00148     string correct_error(void *gui) const;
00150     string error_message(string msg = "");
00152     ProgramType program_type(ProgramType pt = undefined_prog_type);
00154     char *program(char *program = 0);
00156     ErrorCode error_code(ErrorCode ec = undefined_error);
00157 #endif
00158 };
00159 
00160 #endif // _error_h

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