kakoune/src/function_registry.hh

47 lines
1.0 KiB
C++

#ifndef function_registry_h_INCLUDED
#define function_registry_h_INCLUDED
#include "completion.hh"
#include "id_map.hh"
#include "string.hh"
namespace Kakoune
{
struct function_not_found : runtime_error
{
function_not_found(const String& name)
: runtime_error("'" + name + "' not found") {}
};
template<typename FunctionType>
class FunctionRegistry
{
public:
void register_func(const String& name, const FunctionType& function)
{
kak_assert(not m_functions.contains(name));
m_functions.append(std::make_pair(name, function));
}
const FunctionType& operator[](const String& name) const
{
auto it = m_functions.find(name);
if (it == m_functions.end())
throw function_not_found(name);
return it->second;
}
CandidateList complete_name(const String& prefix, ByteCount cursor_pos)
{
return m_functions.complete_id(prefix, cursor_pos);
}
private:
id_map<FunctionType> m_functions;
};
}
#endif // function_registry_h_INCLUDED