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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
#ifndef INCLUDED_GRAS_DETAIL_BLOCK_HPP
#define INCLUDED_GRAS_DETAIL_BLOCK_HPP
#include <typeinfo>
namespace gras
{
struct GRAS_API PropertyRegistry
{
PropertyRegistry(void);
virtual ~PropertyRegistry(void);
virtual void set(const PMCC &) = 0;
virtual PMCC get(void) = 0;
virtual const std::type_info &type(void) const = 0;
};
template <typename ClassType, typename ValueType>
class PropertyRegistryImpl : public PropertyRegistry
{
public:
PropertyRegistryImpl(
ClassType *my_class,
ValueType(ClassType::*getter)(void),
void(ClassType::*setter)(const ValueType &)
):
_my_class(my_class),
_getter(getter),
_setter(setter)
{}
virtual ~PropertyRegistryImpl(void){}
void set(const PMCC &value)
{
(_my_class->*_setter)(value.as<ValueType>());
}
PMCC get(void)
{
return PMC_M((_my_class->*_getter)());
}
const std::type_info &type(void) const
{
return typeid(ValueType);
}
private:
ClassType *_my_class;
ValueType(ClassType::*_getter)(void);
void(ClassType::*_setter)(const ValueType &);
};
/*!
* The following functions implement the templated methods in Block
*/
template <typename ClassType, typename ValueType>
inline void Block::register_getter(
const std::string &key,
ValueType(ClassType::*get)(void)
)
{
ClassType *obj = dynamic_cast<ClassType *>(this);
void *pr = new PropertyRegistryImpl<ClassType, ValueType>(obj, get, NULL);
this->_register_getter(key, pr);
}
template <typename ClassType, typename ValueType>
inline void Block::register_setter(
const std::string &key,
void(ClassType::*set)(const ValueType &)
)
{
ClassType *obj = dynamic_cast<ClassType *>(this);
void *pr = new PropertyRegistryImpl<ClassType, ValueType>(obj, NULL, set);
this->_register_setter(key, pr);
}
template <typename ValueType>
inline void Block::set(const std::string &key, const ValueType &value)
{
this->_set_property(key, PMC_M(value));
}
template <typename ValueType>
inline void Block::get(const std::string &key, ValueType &value)
{
value = this->_get_property(key).as<ValueType>();
}
template <typename ValueType>
inline ValueType Block::get(const std::string &key)
{
return this->_get_property(key).as<ValueType>();
}
} //namespace gras
#endif /*INCLUDED_GRAS_DETAIL_BLOCK_HPP*/
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