#include "GetThrownOSStatus.h"
#include <LException.h>
#include <exception>
#include <PPxExceptions.h>

//when you have a mess of multiple frameworks throwing different stuff at you
//it is hard to catch all kinds of exceptions every time
//so the solution is to catch them all with one catch(...)
//and call GetThrownOSStatus() inside like this

/*
try
{
	//do some risky stuff here
}
catch(...)
{
	OSStatus myThrownError = GetThrownOSStatus();
	//we've got the error code to report
}
*/



OSStatus GetThrownOSStatus()
{
	OSStatus outStatus = -1;//start with unknown
	try
	{
		throw;//re-throw to see what we can catch
	}
	catch (const OSStatus &theStatus)
	{
		outStatus = theStatus;
	}
	catch (const OSErr &theErr)
	{
		outStatus = theErr;
	}
	catch(const PP_PowerPlant::LException& theException)
	{
		outStatus = theException.GetErrorCode();
	}
	catch(const std::exception& theStdException)
	{
		//standard exception does not offer us any error value
		//we can guess that in most cases it means that the operator new thrown it
		outStatus = memFullErr;
	}
	catch(const PPx::OSError& thePPxException)
	{
		outStatus = thePPxException.GetOSErrorCode();
	}
	catch(...)
	{
		//unknown, stays: -1
	}

	return outStatus;
}