aboutsummaryrefslogtreecommitdiff
path: root/include/internal/catch_exception_translator_registry.hpp
blob: c4bdb4005c2f2583424454cc89dd029c80ba9356 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
/*
 *  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_EXCEPTION_TRANSLATOR_REGISTRY_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_EXCEPTION_TRANSLATOR_REGISTRY_HPP_INCLUDED

#include "catch_interfaces_exception.h"
#include "catch_tostring.h"

#ifdef __OBJC__
#import "Foundation/Foundation.h"
#endif

namespace Catch {

    class ExceptionTranslatorRegistry : public IExceptionTranslatorRegistry {
    public:
        ~ExceptionTranslatorRegistry() {
            deleteAll( m_translators );
        }

        virtual void registerTranslator( const IExceptionTranslator* translator ) {
            m_translators.push_back( translator );
        }

        virtual std::string 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 tryTranslators() const {
            if( m_translators.empty() )
                throw;
            else
                return m_translators[0]->translate( m_translators.begin()+1, m_translators.end() );
        }

    private:
        std::vector<const IExceptionTranslator*> m_translators;
    };
}

#endif // TWOBLUECUBES_CATCH_EXCEPTION_TRANSLATOR_REGISTRY_HPP_INCLUDED