Re-org

include/internal/catch_interfaces_exception.h

@@ -0,0 +1,92 @@
+/*
+ *  catch_exception_interfaces.h
+ *  Catch
+ *
+ *  Created by Phil on 20/04/2011.
+ *  Copyright 2011 Two Blue Cubes Ltd. All rights reserved.
+ *
+ *  Distributed under the Boost Software License, Version 1.0. (See accompanying
+ *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+#ifndef TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED
+#define TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED
+
+#include <string>
+                                              
+namespace Catch
+{    
+    typedef std::string(*exceptionTranslateFunction)();
+
+    struct IExceptionTranslator
+    {
+        virtual ~IExceptionTranslator(){}
+        virtual std::string translate() const = 0;
+    };
+    
+    struct IExceptionTranslatorRegistry
+    {
+        virtual ~IExceptionTranslatorRegistry
+        ()
+        {}
+        
+        virtual void registerTranslator
+            (   IExceptionTranslator* translator 
+            ) = 0;
+        virtual std::string translateActiveException
+            () const = 0;
+        
+    };
+
+    class ExceptionTranslatorRegistrar
+    {
+        template<typename T>
+        class ExceptionTranslator : public IExceptionTranslator
+        {
+        public:
+            
+            ExceptionTranslator
+            (
+                std::string(*translateFunction)( T& ) 
+            )
+            : m_translateFunction( translateFunction )
+            {}
+            
+            virtual std::string translate
+            ()
+            const
+            {
+                try
+                {
+                    throw;
+                }
+                catch( T& ex )
+                {
+                    return m_translateFunction( ex );
+                }
+            }
+            
+        protected:
+            std::string(*m_translateFunction)( T& );
+        };
+        
+    public:
+        template<typename T>
+        ExceptionTranslatorRegistrar
+        (
+            std::string(*translateFunction)( T& ) 
+        )
+        {
+            Catch::Hub::getExceptionTranslatorRegistry().registerTranslator
+                ( new ExceptionTranslator<T>( translateFunction ) );
+        }
+    };
+}
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature ) \
+    static std::string INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator )( signature ); \
+    namespace{ Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionRegistrar )( &INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ) ); }\
+    static std::string INTERNAL_CATCH_UNIQUE_NAME(  catch_internal_ExceptionTranslator )( signature )
+
+#endif // TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED