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Return matching named functions when a get_object query finds no matching name object

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This commit is contained in:
Jason Turner
2009-06-25 00:50:18 +00:00
parent eb5dbe4975
commit 12f7c222e1
1 changed files with 56 additions and 10 deletions
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66
dispatchkit/dispatchkit.hpp
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@@ -18,6 +18,36 @@
namespace dispatchkit
{
class Dispatch_Function : public Proxy_Function
{
public:
Dispatch_Function(const std::vector<std::pair<std::string, boost::shared_ptr<Proxy_Function> > > &t_funcs)
: m_funcs(t_funcs)
{
}
bool operator==(const Proxy_Function &f) const
{
return false;
}
virtual ~Dispatch_Function() {}
virtual Boxed_Value operator()(const std::vector<Boxed_Value> &params)
{
return dispatch(m_funcs, params);
}
virtual std::vector<Type_Info> get_param_types()
{
return std::vector<Type_Info>();
}
private:
std::vector<std::pair<std::string, boost::shared_ptr<Proxy_Function> > > m_funcs;
};
class Dispatch_Engine
{
public:
@@ -103,7 +133,14 @@ namespace dispatchkit
}
}
throw std::range_error("Object not known: " + name);
std::vector<std::pair<std::string, Function_Map::mapped_type> > funcs = get_function_impl(name, false);
if (funcs.empty())
{
throw std::range_error("Object not known: " + name);
} else {
return Boxed_Value(boost::shared_ptr<Proxy_Function>(new Dispatch_Function(funcs)));
}
}
template<typename Type>
@@ -118,18 +155,21 @@ namespace dispatchkit
}
std::vector<std::pair<std::string, Function_Map::mapped_type> >
get_function(const std::string &t_name) const
get_function_impl(const std::string &t_name, bool include_objects) const
{
std::vector<std::pair<std::string, Function_Map::mapped_type> > funcs;
try {
funcs.insert(funcs.end(),
Function_Map::value_type(
t_name,
boxed_cast<Function_Map::mapped_type>(get_object(t_name)))
);
} catch (const std::bad_cast &) {
} catch (const std::range_error &) {
if (include_objects)
{
try {
funcs.insert(funcs.end(),
Function_Map::value_type(
t_name,
boxed_cast<Function_Map::mapped_type>(get_object(t_name)))
);
} catch (const bad_boxed_cast &) {
} catch (const std::range_error &) {
}
}
std::pair<Function_Map::const_iterator, Function_Map::const_iterator> range
@@ -139,6 +179,12 @@ namespace dispatchkit
return funcs;
}
std::vector<std::pair<std::string, Function_Map::mapped_type> >
get_function(const std::string &t_name) const
{
return get_function_impl(t_name, true);
}
std::vector<Function_Map::value_type> get_functions() const
{
return std::vector<Function_Map::value_type>(m_functions.begin(), m_functions.end());