Function AppendLanguageProperties

Source/cmPackageInfoReader.cxx:275–313

template <typename Transform>
void AppendLanguageProperties(cmMakefile* makefile, cmTarget* target,
                              cm::string_view property,
                              cm::string_view configuration,
                              Json::Value const& data, char const* key,
                              Transform transform)
{
  Json::Value const& value = data[key];
  if (value.isArray()) {
    for (std::string v : ReadList(value)) {
      AppendProperty(makefile, target, property, configuration,
                     transform(std::move(v)));
    }
  } else if (value.isObject()) {
    for (auto vi = value.begin(), ve = value.end(); vi != ve; ++vi) {
      cm::string_view const originalLang = IterKey(vi);
      cm::string_view const lang = MapLanguage(originalLang);
      if (lang.empty()) {
        makefile->IssueMessage(MessageType::WARNING,
                               cmStrCat(R"(ignoring unknown language ")"_s,
                                        originalLang, R"(" in )"_s, key,
                                        " for "_s, target->GetName()));
        continue;
      }

      if (lang == "*"_s) {
        for (std::string v : ReadList(*vi)) {
          AppendProperty(makefile, target, property, configuration,
                         transform(std::move(v)));
        }
      } else {
        for (std::string v : ReadList(*vi)) {
          v = cmStrCat("$<$<COMPILE_LANGUAGE:"_s, lang, ">:"_s,
                       transform(std::move(v)), '>');
          AppendProperty(makefile, target, property, configuration, v);
        }
      }
    }
  }
}

void AddCompileFeature(cmMakefile* makefile, cmTarget* target,
                       cm::string_view configuration, std::string const& value)