#include "filter_registry.hh"

#include "exception.hh"

namespace Kakoune
{

struct factory_not_found : public runtime_error
{
    factory_not_found() : runtime_error("factory not found") {}
};

void FilterRegistry::register_factory(const std::string& name,
                                      const FilterFactory& factory)
{
    assert(m_factories.find(name) == m_factories.end());
    m_factories[name] = factory;
}

FilterAndId FilterRegistry::get_filter(const std::string& name,
                                       const FilterParameters& parameters)
{
    auto it = m_factories.find(name);
    if (it == m_factories.end())
        throw factory_not_found();

    return it->second(parameters);
}

}