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Add "is_type" utility function and register "function" as a registered typename

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This commit is contained in:
Jason Turner 2009-07-03 15:41:51 +00:00
parent b191d5a2ee
commit 27e72d117f
2 changed files with 24 additions and 0 deletions
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13
dispatchkit/bootstrap.hpp
View File

@ -457,6 +457,15 @@ namespace dispatchkit
return l.get_type_info() == r.get_type_info();
}
static bool is_type(const Dispatch_Engine &e, const std::string &type_name, Boxed_Value r)
{
try {
return e.get_type(type_name) == r.get_type_info();
} catch (const std::range_error &) {
return false;
}
}
static Boxed_Value bind_function(const std::vector<Boxed_Value> &params)
{
if (params.size() < 2)
@ -488,6 +497,8 @@ namespace dispatchkit
s.register_type<std::string>("string");
s.register_type<Proxy_Function>("function");
add_basic_constructors<bool>(s, "bool");
add_basic_constructors<std::string>(s, "string");
add_oper_assign<std::string>(s);
@ -516,6 +527,8 @@ namespace dispatchkit
s.register_function(boost::function<void ()>(boost::bind(&dump_system, boost::ref(s))), "dump_system");
s.register_function(boost::function<void (Boxed_Value)>(boost::bind(&dump_object, _1)), "dump_object");
s.register_function(boost::function<bool (const std::string &, Boxed_Value)>(boost::bind(&is_type, s, _1, _2)),
"is_type");
s.add_object("_", Placeholder_Object());

11
dispatchkit/dispatchkit.hpp
View File

@ -169,6 +169,17 @@ namespace dispatchkit
m_types.insert(std::make_pair(name, Get_Type_Info<Type>::get()));
}
Type_Info get_type(const std::string &name) const
{
Type_Name_Map::const_iterator itr = m_types.find(name);
if (itr != m_types.end())
{
return itr->second;
} else {
throw std::range_error("Type Not Known");
}
}
std::vector<Type_Name_Map::value_type> get_types() const
{
return std::vector<Type_Name_Map::value_type>(m_types.begin(), m_types.end());