catch2/include/internal/catch_message.h

/*
 *  Created by Phil Nash on 1/2/2013.
 *  Copyright 2013 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_MESSAGE_H_INCLUDED
#define TWOBLUECUBES_CATCH_MESSAGE_H_INCLUDED

#include <string>
#include <sstream>
#include "catch_result_type.h"
#include "catch_common.h"

namespace Catch {

    struct MessageInfo {
        MessageInfo(    std::string const& _macroName,
                        SourceLineInfo const& _lineInfo,
                        ResultWas::OfType _type );

        std::string macroName;
        SourceLineInfo lineInfo;
        ResultWas::OfType type;
        std::string message;
        unsigned int sequence;

        bool operator == ( MessageInfo const& other ) const;
        bool operator < ( MessageInfo const& other ) const;
    private:
        static unsigned int globalCount;
    };

    struct MessageStream {

        template<typename T>
        MessageStream& operator << ( T const& value ) {
            m_stream << value;
            return *this;
        }

        // !TBD reuse a global/ thread-local stream
        std::ostringstream m_stream;
    };

    struct MessageBuilder : MessageStream {
        MessageBuilder( std::string const& macroName,
                        SourceLineInfo const& lineInfo,
                        ResultWas::OfType type );

        template<typename T>
        MessageBuilder& operator << ( T const& value ) {
            m_stream << value;
            return *this;
        }

        MessageInfo m_info;
    };

    class ScopedMessage {
    public:
        ScopedMessage( MessageBuilder const& builder );
        ~ScopedMessage();

        MessageInfo m_info;
    };

} // end namespace Catch

#endif // TWOBLUECUBES_CATCH_MESSAGE_H_INCLUDED