More include and impl refactoring

include/internal/catch_exception_translator_registry.cpp

@@ -0,0 +1,63 @@
+/*
+ *  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)
+ */
+
+#include "catch_exception_translator_registry.h"
+#include "catch_result_builder.h"
+
+#ifdef __OBJC__
+#import "Foundation/Foundation.h"
+#endif
+
+namespace Catch {
+
+    ExceptionTranslatorRegistry::~ExceptionTranslatorRegistry() {
+        deleteAll( m_translators );
+    }
+
+    void ExceptionTranslatorRegistry::registerTranslator( const IExceptionTranslator* translator ) {
+        m_translators.push_back( translator );
+    }
+
+    std::string ExceptionTranslatorRegistry::translateActiveException() const {
+        try {
+#ifdef __OBJC__
+            // In Objective-C try objective-c exceptions first
+            @try {
+                return tryTranslators();
+            }
+            @catch (NSException *exception) {
+                return Catch::toString( [exception description] );
+            }
+#else
+            return tryTranslators();
+#endif
+        }
+        catch( TestFailureException& ) {
+            throw;
+        }
+        catch( std::exception& ex ) {
+            return ex.what();
+        }
+        catch( std::string& msg ) {
+            return msg;
+        }
+        catch( const char* msg ) {
+            return msg;
+        }
+        catch(...) {
+            return "Unknown exception";
+        }
+    }
+
+    std::string ExceptionTranslatorRegistry::tryTranslators() const {
+        if( m_translators.empty() )
+            throw;
+        else
+            return m_translators[0]->translate( m_translators.begin()+1, m_translators.end() );
+    }
+}