[osg-users] Serialization differences between ASCII and XML

[Julien Valentin]

Hi Hartwig
I have no experience with osgx format
But the bug seams to come from osgDB/XMLParser.cpp
perhaps removing newline from strings in osgDB::XMLParser::writeString
could to the trick...
Cheers


hartwigw wrote:
> Hi,
> 
> wrote a simple serialiser for the output of a range:
> 
> 
> Code:
> 
> namespace
> {
> 	bool checkGeographicRange(osgPlanetCore::GeodeticData const&)
> 	{
> 		return true;
> 	}
> 
> 	bool readGeographicRange(osgDB::InputStream& inputStream, osgPlanetCore::GeodeticData& geodeticData)
> 	{
> 		osgPlanetCore::GeographicRange geographicRange;
> 
> 
> 		if (osgPlanetWrappers::readRange(inputStream,geographicRange))
> 		{
> 			geodeticData.setGeographicRange(geographicRange);
> 			return true;
> 		} /* if */
> 		else
> 			return false;
> 	}
> 	
> 	bool writeGeographicRange(osgDB::OutputStream& outputStream, osgPlanetCore::GeodeticData const& geodeticData)
> 	{
> 		outputStream << std::endl;
> 		return osgPlanetWrappers::writeRange(outputStream,geodeticData.getGeographicRange());
> 	}
> 
> } /* namespace */
> 
> 	template < typename Values >
> 	bool readRange(osgDB::InputStream& inputStream, osgPlanetCore::Range< Values >& range)
> 	{
> 		inputStream >> inputStream.BEGIN_BRACKET;
> 		inputStream >> inputStream.PROPERTY("FromValues") >> range.getFromValues();
> 		inputStream >> inputStream.PROPERTY("TillValues") >> range.getTillValues();
> 		inputStream >> inputStream.END_BRACKET;
> 		return true;
> 	}
> 	
> 	template < typename Values >
> 	bool writeRange(osgDB::OutputStream& outputStream, osgPlanetCore::Range< Values > const& range)
> 	{
> 		outputStream << outputStream.BEGIN_BRACKET << std::endl;
> 		outputStream << outputStream.PROPERTY("FromValues") << range.getFromValues() << std::endl;
> 		outputStream << outputStream.PROPERTY("TillValues") << range.getTillValues() << std::endl;
> 		outputStream << outputStream.END_BRACKET << std::endl;
> 		return true;
> 	}
> 
> 
> 
> 
> 
> In a wrapper I call
> 
> Code:
> 
> 	ADD_USER_SERIALIZER(GeographicRange);
> 
> 
> 
> 
> Basically serialisation should write / read two vectors indicating a lower and a higher limit of a geodetic range.
> 
> The ASCII output looks like:
> 
> GeographicRange 
> {
> FromValues -135 40.9799 -10000 
> TillValues -90 66.5133 10000 
> }
> 
> Which seems to be fine.
> 
> The XML output looks like:
> 
>           < FromValues attribute="-135 40.9799 -10000&nl;" >
>             < TillValues attribute="-90 66.5133 10000&nl;&nl;" >
>              < /TillValues >
>           < /FromValues >
> 
> Which is not really the same. Besides the fact that "GeographicRange" is gone completely.
> 
> How do I make the output of both versions the same?
> 
> Cheers,
> Hartwig


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