virtual ReadResult readNode(std::istream& in, const osgDB::Options* options ) const
{
// pull the URI context from the options structure (since we're reading
// from an "anonymous" stream here)
URIContext uriContext( options );
osg::ref_ptr<XmlDocument> doc = XmlDocument::load( in, uriContext );
if ( !doc.valid() )
return ReadResult::ERROR_IN_READING_FILE;
Config docConf = doc->getConfig();
// support both "map" and "earth" tag names at the top level
Config conf;
if ( docConf.hasChild( "map" ) )
conf = docConf.child( "map" );
else if ( docConf.hasChild( "earth" ) )
conf = docConf.child( "earth" );
MapNode* mapNode =0L;
if ( !conf.empty() )
{
// see if we were given a reference URI to use:
std::string refURI = uriContext.referrer();
if ( conf.value("version") == "1" )
{
OE_INFO << LC << "Detected a version 1.x earth file" << std::endl;
EarthFileSerializer1 ser;
mapNode = ser.deserialize( conf, refURI );
}
else
{
if ( conf.value("version") != "2" )
OE_INFO << LC << "No valid earth file version; assuming version='2'" << std::endl;
EarthFileSerializer2 ser;
mapNode = ser.deserialize( conf, refURI );
}
}
return ReadResult(mapNode);
}
virtual ReadResult readNode(std::istream& in, const osgDB::Options* options ) const
{
// pull the URI context from the options structure (since we're reading
// from an "anonymous" stream here)
URIContext uriContext( options );
osg::ref_ptr<XmlDocument> doc = XmlDocument::load( in, uriContext );
if ( !doc.valid() )
return ReadResult::ERROR_IN_READING_FILE;
Config docConf = doc->getConfig();
// support both "map" and "earth" tag names at the top level
Config conf;
if ( docConf.hasChild( "map" ) )
conf = docConf.child( "map" );
else if ( docConf.hasChild( "earth" ) )
conf = docConf.child( "earth" );
MapNode* mapNode =0L;
if ( !conf.empty() )
{
// see if we were given a reference URI to use:
std::string refURI = uriContext.referrer();
if ( conf.value("version") == "1" )
{
OE_INFO << LC << "Detected a version 1.x earth file" << std::endl;
EarthFileSerializer1 ser;
mapNode = ser.deserialize( conf, refURI );
}
else
{
if ( conf.value("version") != "2" )
OE_DEBUG << LC << "No valid earth file version; assuming version='2'" << std::endl;
// attempt to parse a "default options" JSON string:
std::string defaultConfStr;
if ( options )
{
defaultConfStr = options->getPluginStringData("osgEarth.defaultOptions");
if ( !defaultConfStr.empty() )
{
Config optionsConf("options");
if (optionsConf.fromJSON(defaultConfStr))
{
//OE_NOTICE << "\n\nOriginal = \n" << conf.toJSON(true) << "\n";
Config* original = conf.mutable_child("options");
if ( original )
{
recursiveUniqueKeyMerge(optionsConf, *original);
}
if ( !optionsConf.empty() )
{
conf.set("options", optionsConf);
}
//OE_NOTICE << "\n\nMerged = \n" << conf.toJSON(true) << "\n";
}
}
}
EarthFileSerializer2 ser;
mapNode = ser.deserialize( conf, refURI );
}
}
return ReadResult(mapNode);
}
