/home/cube/sources/osgearth/src/osgEarthDrivers/kml/KML_Common

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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2010 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
#ifndef OSGEARTH_DRIVER_KML_COMMON
#define OSGEARTH_DRIVER_KML_COMMON 1

#include <osgEarth/Common>
#include <osgEarth/URI>
#include <osgEarth/MapNode>
#include <osgEarthSymbology/Style>
#include "KMLOptions"

#define LC "[KML] "

using namespace osgEarth;
using namespace osgEarth::Drivers;
using namespace osgEarth::Symbology;

#define for_one( NAME, FUNC, CONF, CX ) \
{ \
    Config c = conf.child( toLower( #NAME ) ); \
    if ( !c.empty() ) { \
        KML_##NAME instance; \
        instance. FUNC (c, CX); \
    } \
}

#define for_many( NAME, FUNC, CONF, CX ) \
{ \
   ConfigSet c = conf.children( toLower( #NAME ) ); \
   for( ConfigSet::const_iterator i = c.begin(); i != c.end(); ++i ) { \
        KML_##NAME instance; \
        instance. FUNC (*i, CX); \
   } \
}

#define for_features( FUNC, CONF, CX ) \
    for_many( Document,      FUNC, CONF, CX ); \
    for_many( Folder,        FUNC, CONF, CX ); \
    for_many( PhotoOverlay,  FUNC, CONF, CX ); \
    for_many( ScreenOverlay, FUNC, CONF, CX ); \
    for_many( GroundOverlay, FUNC, CONF, CX ); \
    for_many( NetworkLink,   FUNC, CONF, CX ); \
    for_many( Placemark,     FUNC, CONF, CX );

struct KMLContext
{
    MapNode*                              _mapNode;
    const KMLOptions*                     _options;
    osg::ref_ptr<StyleSheet>              _sheet;
    Style                                 _activeStyle;
    std::stack<osg::ref_ptr<osg::Group> > _groupStack;
};


#endif // OSGEARTH_DRIVER_KML_READER