dispatch class not a singleton, engine is static

[chaz/yoink] / src / Moof / Error.hh

diff --git a/src/Moof/Error.hh b/src/Moof/Error.hh
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+++ b/src/Moof/Error.hh
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+
+/*******************************************************************************
+
+ Copyright (c) 2009, Charles McGarvey
+ All rights reserved.
+ 
+ Redistribution   and   use  in  source  and  binary  forms,  with  or  without
+ modification, are permitted provided that the following conditions are met:
+ 
+   * Redistributions  of  source  code  must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+   * Redistributions  in binary form must reproduce the above copyright notice,
+     this  list of conditions and the following disclaimer in the documentation
+     and/or other materials provided with the distribution.
+ 
+ THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#ifndef _MOOF_ERROR_HH_
+#define _MOOF_ERROR_HH_
+
+#include <cstring>                     // strncpy
+#include <exception>
+#include <string>
+
+
+namespace Mf {
+
+
+class Error : public std::exception
+{
+public:
+
+       enum Code
+       {
+               NONE = 0,
+               ALC_INIT,                                       // description
+               FASTEVENTS_INIT,                        // description
+               FILE_NOT_FOUND,                         // path of missing file
+               RESOURCE_NOT_FOUND,                     // name of missing resource
+               SCRIPT_ERROR,                           // description
+               SDL_INIT,                                       // description
+               SDL_VIDEOMODE,                          // -
+               UNKNOWN_AUDIO_FORMAT,           // name of resource
+               UNKNOWN_IMAGE_FORMAT,           // name of resource
+       };
+
+       explicit Error(unsigned code, const std::string& what = "")
+       {
+               init(code, what);
+       }
+       virtual ~Error() throw() {}
+
+       void init(unsigned code, const std::string& what = "")
+       {
+               mWhat[sizeof(mWhat)-1] = '\0';
+               strncpy(mWhat, what.c_str(), sizeof(mWhat)-1);
+               mCode = code;
+       }
+
+       virtual void raise()
+       {
+               throw *this;
+       }
+
+       unsigned code() const throw()
+       {
+               return mCode;
+       }
+
+       const char* what() const throw()
+       {
+               return mWhat;
+       }
+
+       bool isError() const throw()
+       {
+               return mCode != NONE;
+       }
+
+private:
+
+       unsigned        mCode;
+       char            mWhat[1024];
+};
+
+
+} // namespace Mf
+
+#endif // _MOOF_ERROR_HH_
+
+/** vim: set ts=4 sw=4 tw=80: *************************************************/
+