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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2016 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_VALUEMAP
#define OSG_VALUEMAP 1
#include <osg/ValueObject>
#include <osg/Notify>
#include <map>
namespace osg {
#define OSG_HAS_VALUEMAP
class OSG_EXPORT ValueMap : public osg::Object
{
public:
ValueMap();
ValueMap(const ValueMap& vm, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osg, ValueMap);
typedef std::map< osg::ref_ptr<const osg::Referenced>, osg::ref_ptr<osg::Object> > KeyValueMap;
void setKeyValueMap(KeyValueMap& properties) { _keyValueMap = properties; }
KeyValueMap& getKeyValueMap() { return _keyValueMap; }
const KeyValueMap& getKeyValueMap() const { return _keyValueMap; }
osg::Object* setValue(const osg::Referenced* key, osg::Object* object)
{
return (_keyValueMap[key] = object).get();
}
template<typename T>
osg::Object* setValue(const osg::Referenced* key, const T& value)
{
typedef TemplateValueObject<T> UserValueObject;
KeyValueMap::iterator itr = _keyValueMap.find(key);
if (itr!=_keyValueMap.end())
{
osg::Object* obj = itr->second.get();
if (typeid(*(obj))==typeid(UserValueObject))
{
UserValueObject* uvo = static_cast<UserValueObject*>(itr->second.get());
uvo->setValue(value);
return uvo;
}
}
return (_keyValueMap[key] = new UserValueObject(value)).get();
}
inline osg::Object* getValue(const osg::Referenced* key)
{
KeyValueMap::iterator itr = _keyValueMap.find(key);
return (itr!=_keyValueMap.end()) ? itr->second.get() : 0;
}
inline const osg::Object* getValue(const osg::Referenced* key) const
{
KeyValueMap::const_iterator itr = _keyValueMap.find(key);
return (itr!=_keyValueMap.end()) ? itr->second.get() : 0;
}
template<typename T>
T* getValueOfType(const osg::Referenced* key)
{
Object* object = getValue(key);
return (object && typeid(*object)==typeid(T)) ? static_cast<T*>(object) : 0;
}
template<typename T>
const T* getValueOfType(const osg::Referenced* key) const
{
const Object* object = getValue(key);
return (object && typeid(*object)==typeid(T)) ? static_cast<const T*>(object) : 0;
}
template<typename T>
bool getValue(const osg::Referenced* key, T& value)
{
typedef TemplateValueObject<T> UserValueObject;
UserValueObject* uvo = getValueOfType<UserValueObject>(key);
if (uvo)
{
value = uvo->getValue();
return true;
}
else
{
return false;
}
}
template<typename T>
bool getValue(const osg::Referenced* key, T& value) const
{
typedef TemplateValueObject<T> UserValueObject;
const UserValueObject* uvo = getValueOfType<UserValueObject>(key);
if (uvo)
{
value = uvo->getValue();
return true;
}
else
{
return false;
}
}
protected:
virtual ~ValueMap();
KeyValueMap _keyValueMap;
};
}
#endif
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