Dogcows Code - chaz/yoink/blob - src/Moof/Error.hh

   1
   2 /*******************************************************************************
   3
   4  Copyright (c) 2009, Charles McGarvey
   5  All rights reserved.
   6
   7  Redistribution   and   use  in  source  and  binary  forms,  with  or  without
   8  modification, are permitted provided that the following conditions are met:
   9
  10    * Redistributions  of  source  code  must retain the above copyright notice,
  11      this list of conditions and the following disclaimer.
  12    * Redistributions  in binary form must reproduce the above copyright notice,
  13      this  list of conditions and the following disclaimer in the documentation
  14      and/or other materials provided with the distribution.
  15
  16  THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  20  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23  CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 *******************************************************************************/
  28
  29 #ifndef _MOOF_ERROR_HH_
  30 #define _MOOF_ERROR_HH_
  31
  32 #include <cstring>                      // strncpy
  33 #include <exception>
  34 #include <string>
  35
  36
  37 namespace Mf {
  38
  39
  40 class Error : public std::exception
  41 {
  42 public:
  43
  44         enum Code
  45         {
  46                 UNINITIALIZED = -1,                     // -
  47                 NONE = 0,                                       // -
  48                 ALC_INIT,                                       // description
  49                 FASTEVENTS_INIT,                        // description
  50                 OPENAL_INIT,                            // description
  51                 FILE_NOT_FOUND,                         // path of missing file
  52                 RESOURCE_NOT_FOUND,                     // name of missing resource
  53                 SCRIPT_ERROR,                           // description
  54                 SDL_INIT,                                       // description
  55                 SDL_VIDEOMODE,                          // -
  56                 UNKNOWN_AUDIO_FORMAT,           // name of resource
  57                 UNKNOWN_IMAGE_FORMAT,           // name of resource
  58         };
  59
  60         explicit Error(unsigned code, const std::string& what = "")
  61         {
  62                 init(code, what);
  63         }
  64         virtual ~Error() throw() {}
  65
  66         void init(unsigned code, const std::string& what = "")
  67         {
  68                 mWhat[sizeof(mWhat)-1] = '\0';
  69                 strncpy(mWhat, what.c_str(), sizeof(mWhat)-1);
  70                 mCode = code;
  71         }
  72
  73         virtual void raise()
  74         {
  75                 throw *this;
  76         }
  77
  78         unsigned code() const throw()
  79         {
  80                 return mCode;
  81         }
  82
  83         const char* what() const throw()
  84         {
  85                 return mWhat;
  86         }
  87
  88         bool isError() const throw()
  89         {
  90                 return mCode != NONE;
  91         }
  92
  93         void reset() throw()
  94         {
  95                 mCode = NONE;
  96                 mWhat[0] = '\0';
  97         }
  98
  99 private:
 100
 101         unsigned        mCode;
 102         char            mWhat[1024];
 103 };
 104
 105
 106 } // namespace Mf
 107
 108 #endif // _MOOF_ERROR_HH_
 109
 110 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 111