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#ifndef AUDIOGRAPHER_EXCEPTION_H
#define AUDIOGRAPHER_EXCEPTION_H
#include <exception>
#include <string>
#include <cxxabi.h>
#include <boost/format.hpp>
namespace AudioGrapher
{
class Exception : public std::exception
{
public:
template<typename T>
Exception (T const & thrower, std::string const & reason)
: reason (boost::str (boost::format (
"Exception thrown by %1%: %2%") % name (thrower) % reason))
{}
virtual ~Exception () throw() { }
const char* what() const throw()
{
return reason.c_str();
}
protected:
template<typename T>
std::string name (T const & obj)
{
#ifdef __GNUC__
int status;
char * res = abi::__cxa_demangle (typeid(obj).name(), 0, 0, &status);
if (status == 0) {
std::string s(res);
free (res);
return s;
}
#endif
return typeid(obj).name();
}
private:
std::string const reason;
};
} // namespace AudioGrapher
#endif // AUDIOGRAPHER_EXCEPTION_H
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