errorlog.h

   1 /*
   2 Project: J-Ben
   3 Author:  Paul Goins
   4 Website: http://www.vultaire.net/software/jben/
   5 License: GNU General Public License (GPL) version 2
   6          (http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt)
   7
   8 File: errorlog.h
   9
  10 This program is free software; you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation; either version 2 of the License, or
  13 (at your option) any later version.
  14
  15 This program is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with this program.  If not, see <http://www.gnu.org/licenses/>
  22 */
  23
  24 #ifndef errorlog_h
  25 #define errorlog_h
  26
  27 #define ERR_PREF __FILE__ << ':' << __LINE__ << ": "
  28
  29 #include <list>
  30 #include <map>
  31 #include <string>
  32 using namespace std;
  33
  34 enum ELType {
  35         EL_Error=1,
  36         EL_Warning,
  37         EL_Info,
  38         EL_Silent
  39 };
  40
  41 class ErrorLog {
  42 public:
  43         ErrorLog();
  44         int Size();
  45         int Count(ELType t);
  46         string PopFront(ELType t);
  47         string PopBack(ELType t);
  48         void Push(ELType t, string message, void *srcObj=NULL);
  49         void RegDisplayFunc(
  50                 void (*newDispFunc)(ELType, const string&, void*));
  51 private:
  52         list<string>* GetList(ELType t);
  53         /* This function lets us register gui-dependent external code
  54            for displaying error messages. */
  55         void (*dispFunc)(ELType, const string&, void*);
  56
  57         map<ELType, list<string> > logdata;
  58 };
  59
  60 /* ErrorLog is not technically a singleton and an app could have separate error
  61    logs for different objects.  However, for our app I think we'll just do one,
  62    for which the global is below. */
  63 extern ErrorLog el;
  64
  65 #endif