void frontend_registrar::register_frontend_for_extension(const std::string& ext,
std::shared_ptr<frontend_interface> s) {
// note: not logging by design
if (!s)
BOOST_THROW_EXCEPTION(registrar_error(null_frontend));
const auto i(frontends_by_extension_.insert(std::make_pair(ext, s)));
if (!i.second)
BOOST_THROW_EXCEPTION(
registrar_error(extension_already_registered + ext));
}
void registrar::register_formatter_helper(
std::shared_ptr<helper_formatter_interface> fh) {
// note: not logging by design
if (!fh)
BOOST_THROW_EXCEPTION(registrar_error(null_formatter_helper));
if(fh->family().empty())
BOOST_THROW_EXCEPTION(registrar_error(empty_family));
auto& f(formatter_repository_.helper_formatters_[fh->family()]);
for (const auto& of : fh->owning_formatters())
f[of].push_back(fh);
}
void frontend_registrar::validate() const {
if (frontends_by_extension_.empty()) {
BOOST_LOG_SEV(lg, debug) << no_frontends;
BOOST_THROW_EXCEPTION(registrar_error(no_frontends));
}
BOOST_LOG_SEV(lg, debug) << "Registrar is in a valid state.";
}
void registrar::
register_formatter(std::shared_ptr<artefact_formatter_interface> f) {
// note: not logging by design
if (!f)
BOOST_THROW_EXCEPTION(registrar_error(null_formatter));
const auto& al(f->archetype_location());
if (al.archetype().empty())
BOOST_THROW_EXCEPTION(registrar_error(empty_formatter_name));
if (al.facet().empty())
BOOST_THROW_EXCEPTION(registrar_error(empty_facet_name));
if (al.kernel().empty())
BOOST_THROW_EXCEPTION(registrar_error(empty_model_name));
archetype_locations_.push_front(al);
formatter_repository_.stock_artefact_formatters_.push_front(f);
/*
* Add the formatter to the index by element type index.
*/
auto& ffti(formatter_repository_.stock_artefact_formatters_by_type_index());
auto& ti(ffti[f->element_type_index()]);
ti.push_front(f);
/*
* Add formatter to the index by archetype name. Inserting the
* formatter into this repository has the helpful side-effect of
* ensuring the formatter id is unique in formatter space.
*/
const auto arch(al.archetype());
auto& fffn(formatter_repository_.stock_artefact_formatters_by_archetype());
const auto pair(std::make_pair(arch, f));
const auto inserted(fffn.insert(pair).second);
if (!inserted) {
BOOST_LOG_SEV(lg, error) << duplicate_formatter_name << arch;
BOOST_THROW_EXCEPTION(registrar_error(duplicate_formatter_name + arch));
}
}
frontend_interface& frontend_registrar::
frontend_for_extension(const std::string& ext) {
BOOST_LOG_SEV(lg, debug) << "Looking for frontend for extension: " << ext;
const auto i(frontends_by_extension_.find(ext));
if (i != frontends_by_extension_.end()) {
BOOST_LOG_SEV(lg, debug) << "Found frontend for extension. Extension '"
<< ext << "' frontend: '" << i->second->id()
<< "'";
return *i->second;
}
BOOST_LOG_SEV(lg, error) << no_frontend_for_extension << ext;
BOOST_THROW_EXCEPTION(registrar_error(no_frontend_for_extension + ext));
}
void registrar::validate() const {
/*
* We must have at least one registered formatter. This is a quick
* way of troubleshooting validation errors.
*/
const auto& frp(formatter_repository_);
if (frp.stock_artefact_formatters_by_type_index().empty()) {
BOOST_LOG_SEV(lg, error) << no_file_formatters_by_type_index;
BOOST_THROW_EXCEPTION(
registrar_error(no_file_formatters_by_type_index));
}
/*
* Validate the registered canonical formatters.
*/
const auto cs(inclusion_support_types::canonical_support);
for (const auto& pair : frp.stock_artefact_formatters_by_type_index()) {
BOOST_LOG_SEV(lg, debug) << "Processing type: " << pair.first.name();
const auto& ti(pair.first);
const auto& formatters(pair.second);
std::set<std::string> facets_found;
std::set<std::string> all_facets;
for (const auto& ptr : formatters) {
const auto& formatter(*ptr);
const auto& al(formatter.archetype_location());
const auto fct(al.facet());
all_facets.insert(fct);
if (formatter.inclusion_support_type() != cs)
continue;
/*
* We can only have one canonical formatter per type per facet.
*/
const auto i(facets_found.find(fct));
if (i != facets_found.end()) {
const auto arch(al.archetype());
BOOST_LOG_SEV(lg, error) << more_than_one_canonical_archetype
<< fct << " archetype: " << arch
<< " type: " << ti.name();
BOOST_THROW_EXCEPTION(registrar_error(
more_than_one_canonical_archetype + fct));
}
facets_found.insert(fct);
}
BOOST_LOG_SEV(lg, debug) << "All Facets: " << all_facets;
BOOST_LOG_SEV(lg, debug) << "Facets found: " << facets_found;
/*
* We must have one canonical formatter per type per facet.
* FIXME: this check is broken at the moment because this is
* only applicable to yarn types, not fabric types. It is also
* not applicable to forward declarations. We need some
* additional information from yarn to be able to figure out
* which types must have a canonical archetype.
*/
std::set<std::string> result;
std::set_difference(all_facets.begin(), all_facets.end(),
facets_found.begin(), facets_found.end(),
std::inserter(result, result.end()));
if (!result.empty()) {
BOOST_LOG_SEV(lg, warn) << facets_missing_canonical_archetype
<< " : " << result;
// FIXME: broken at present.
// BOOST_THROW_EXCEPTION(
// registrar_error(facets_missing_canonical_archetype));
}
}
if (frp.stock_artefact_formatters().empty()) {
BOOST_LOG_SEV(lg, error) << no_file_formatters;
BOOST_THROW_EXCEPTION(
registrar_error(no_file_formatters));
}
BOOST_LOG_SEV(lg, debug) << "Registrar is in a valid state. Repository: "
<< frp;
BOOST_LOG_SEV(lg, debug) << "Archetype locations: " << archetype_locations_;
}