generic-library/ChaiScript
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Add getAs<T> function to Boxed_Number to enable casting to a target type.

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This commit is contained in:
Markus Groß 2012-06-29 08:00:00 +02:00
parent 927235d871
commit dfcc415c31
1 changed files with 47 additions and 1 deletions
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48
include/chaiscript/dispatchkit/boxed_number.hpp
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@ -298,7 +298,12 @@ namespace chaiscript
throw boost::bad_any_cast();
}
}
template<typename Target, typename Source>
Target getAsAux()
{
return static_cast<Target>(*static_cast<const Source *>(bv.get_const_ptr()));
}
public:
@ -319,6 +324,47 @@ namespace chaiscript
validate_boxed_number(bv);
}
template<typename Target> Target getAs()
{
const Type_Info &inp_ = bv.get_type_info();
if (inp_ == typeid(int)) {
return getAsAux<Target, int>();
} else if (inp_ == typeid(double)) {
return getAsAux<Target, double>();
} else if (inp_ == typeid(float)) {
return getAsAux<Target, float>();
} else if (inp_ == typeid(long double)) {
return getAsAux<Target, long double>();
} else if (inp_ == typeid(char)) {
return getAsAux<Target, char>();
} else if (inp_ == typeid(unsigned int)) {
return getAsAux<Target, unsigned int>();
} else if (inp_ == typeid(long)) {
return getAsAux<Target, long>();
} else if (inp_ == typeid(unsigned long)) {
return getAsAux<Target, unsigned long>();
} else if (inp_ == typeid(boost::int8_t)) {
return getAsAux<Target, boost::int8_t>();
} else if (inp_ == typeid(boost::int16_t)) {
return getAsAux<Target, boost::int16_t>();
} else if (inp_ == typeid(boost::int32_t)) {
return getAsAux<Target, boost::int32_t>();
} else if (inp_ == typeid(boost::int64_t)) {
return getAsAux<Target, boost::int64_t>();
} else if (inp_ == typeid(boost::uint8_t)) {
return getAsAux<Target, boost::uint8_t>();
} else if (inp_ == typeid(boost::uint16_t)) {
return getAsAux<Target, boost::uint16_t>();
} else if (inp_ == typeid(boost::uint32_t)) {
return getAsAux<Target, boost::uint32_t>();
} else if (inp_ == typeid(boost::uint64_t)) {
return getAsAux<Target, boost::uint64_t>();
} else {
throw boost::bad_any_cast();
}
}
bool operator==(const Boxed_Number &t_rhs) const
{
return boxed_cast<bool>(oper(Operators::equals, this->bv, t_rhs.bv));