Warnings.hpp

/*

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 * Redistributions in binary form must reproduce the above copyright notice,
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*/

#ifndef _WARNINGS_HPP_
#define _WARNINGS_HPP_

#include <string>
#include <deque>
#include <sstream>

class Warnings
{
private:

    static Warnings* mpInstance; 
    typedef std::deque<std::pair<std::string, std::string> > WarningsContainerType;

    WarningsContainerType mWarningMessages; 
protected:

    Warnings();

public:

    static void NoisyDestroy();

    static void QuietDestroy();

    static void PrintWarnings();

    void AddWarning(const std::string& rMessage, const std::string& rFilename, unsigned lineNumber, bool onlyOnce=false);

    std::string PopWarning() const;

    static Warnings* Instance();

    unsigned GetNumWarnings();

    std::string GetNextWarningMessage();
};

#define WARNING(message)                                                    \
{                                                                           \
    std::stringstream msg_stream;                                           \
    msg_stream << message;                                                  \
    Warnings::Instance()->AddWarning(msg_stream.str(), __FILE__, __LINE__); \
}

#define WARN_ONCE_ONLY(message)                                                     \
{                                                                                   \
    std::stringstream msg_stream;                                                   \
    msg_stream << message;                                                          \
    Warnings::Instance()->AddWarning(msg_stream.str(), __FILE__, __LINE__, true);   \
}
#endif // _WARNINGS_HPP_