src/apps/icon-o-matic/import_export/svg/SVGException.h

   1 //----------------------------------------------------------------------------
   2 // Anti-Grain Geometry - Version 2.2
   3 // Copyright (C) 2002-2004 Maxim Shemanarev (http://www.antigrain.com)
   4 //
   5 // Permission to copy, use, modify, sell and distribute this software
   6 // is granted provided this copyright notice appears in all copies.
   7 // This software is provided "as is" without express or implied
   8 // warranty, and with no claim as to its suitability for any purpose.
   9 //
  10 //----------------------------------------------------------------------------
  11 // Contact: mcseem@antigrain.com
  12 //                mcseemagg@yahoo.com
  13 //                http://www.antigrain.com
  14 //----------------------------------------------------------------------------
  15 //
  16 // SVG exception
  17 //
  18 //----------------------------------------------------------------------------
  19
  20 #ifndef SVG_EXCEPTION_H
  21 #define SVG_EXCEPTION_H
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <stdarg.h>
  26
  27 namespace agg  {
  28 namespace svg {
  29
  30 class exception {
  31  public:
  32
  33         ~exception()
  34         {
  35                 delete [] m_msg;
  36         }
  37
  38         exception() : m_msg(0) {}
  39
  40         exception(const char* fmt, ...) :
  41                 m_msg(0)
  42         {
  43                 if(fmt)
  44                 {
  45                         m_msg = new char [4096];
  46                         va_list arg;
  47                         va_start(arg, fmt);
  48                         vsprintf(m_msg, fmt, arg);
  49                         va_end(arg);
  50                 }
  51         }
  52
  53         exception(const exception& exc) :
  54                 m_msg(exc.m_msg ? new char[strlen(exc.m_msg) + 1] : 0)
  55         {
  56                 if(m_msg) strcpy(m_msg, exc.m_msg);
  57         }
  58
  59         const char* msg() const { return m_msg; }
  60
  61  private:
  62         char* m_msg;
  63 };
  64
  65 } // namespace svg
  66 } // namespace agg
  67
  68 #endif // SVG_EXCEPTION_H