C++ const_iterator::children方法代码示例

XmlElement::XmlElement( const Config& conf )
{
    name = conf.key();
    for( Properties::const_iterator i = conf.attrs().begin(); i != conf.attrs().end(); i++ )
        attrs[i->first] = i->second;
    for( ConfigSet::const_iterator j = conf.children().begin(); j != conf.children().end(); j++ )
    {
        if (!j->children().empty())
        {
            children.push_back( new XmlElement( *j ) );
        }
        else
        {
            addSubElement(j->key(), j->attrs(), j->value());
        }
    }
}

XmlElement::XmlElement( const Config& conf )
{
    name = conf.key();

    if ( !conf.value().empty() )
    {
        children.push_back( new XmlText(conf.value()) );
    }

    for( ConfigSet::const_iterator j = conf.children().begin(); j != conf.children().end(); j++ )
    {
        if ( j->isSimple() )
        {
            attrs[j->key()] = j->value();
        }
        else if ( j->children().size() > 0 )
        {
            children.push_back( new XmlElement(*j) );
        }
    }
}

osg::Node*
EarthFileSerializer2::deserialize( const Config& conf, const std::string& referrer ) const
{
    // First, pre-load any extension DLLs.
    preloadExtensionLibs(conf);
    preloadExtensionLibs(conf.child("extensions"));
    preloadExtensionLibs(conf.child("external"));

    MapOptions mapOptions( conf.child( "options" ) );

    // legacy: check for name/type in top-level attrs:
    if ( conf.hasValue( "name" ) || conf.hasValue( "type" ) )
    {
        Config legacy;
        if ( conf.hasValue("name") ) legacy.add( "name", conf.value("name") );
        if ( conf.hasValue("type") ) legacy.add( "type", conf.value("type") );
        mapOptions.mergeConfig( legacy );
    }

    osg::ref_ptr< Map > map = new Map( mapOptions );

    // Start a batch update of the map:
    map->beginUpdate();

    // Read all the elevation layers in FIRST so other layers can access them for things like clamping.
    // TODO: revisit this since we should really be listening for elevation data changes and
    // re-clamping based on that..
    for(ConfigSet::const_iterator i = conf.children().begin(); i != conf.children().end(); ++i)
    {
        // for backwards compatibility:
        if (i->key() == "heightfield")
        {
            Config temp = *i;
            temp.key() = "elevation";
            addLayer(temp, map);
        }

        else if ( i->key() == "elevation" ) // || i->key() == "heightfield" )
        {
            addLayer(*i, map);
        }
    }

    Config externalConfig;
    std::vector<osg::ref_ptr<Extension> > extensions;

    // Read the layers in LAST (otherwise they will not benefit from the cache/profile configuration)
    for(ConfigSet::const_iterator i = conf.children().begin(); i != conf.children().end(); ++i)
    {
        if (i->key() == "options" || i->key() == "name" || i->key() == "type" || i->key() == "version")
        {
            // nop - handled earlier
        }

#if 0
        else if ( i->key() == "image" )
        {
            addImageLayer( *i, map );
        }

        else */if ( i->key() == "model" )
        {
            addModelLayer( *i, map );
        }

        else if ( i->key() == "mask" )
        {
            addMaskLayer( *i, map );
        }
#endif

        else if ( i->key() == "external" || i->key() == "extensions" )
        {
            externalConfig = *i;
            
            for(ConfigSet::const_iterator e = i->children().begin(); e != i->children().end(); ++e)
            {
                Extension* extension = loadExtension(*e);
                if (extension)
                    extensions.push_back(extension);
                //addExtension( *e, mapNode.get() );
            }
        }

        else if ( !isReservedWord(i->key()) ) // plugins/extensions.
        {
            // try to add as a plugin Layer first:
            bool addedLayer = addLayer(*i, map); 

            // failing that, try to load as an extension:
            if ( !addedLayer )
            {
                Extension* extension = loadExtension(*i);
                if (extension)
                    extensions.push_back(extension);
            }
        }
    }

    // Complete the batch update of the map
//.........这里部分代码省略.........