redfish-core/src/registries.cpp

#include "registries.hpp"

#include <algorithm>
#include <cstring>
#include <span>  // NOLINT
#include <string>
#include <string_view>
#include <vector>

#include "str_utility.hpp"
#include "registries/base_message_registry.hpp"
#include "registries/openbmc_message_registry.hpp"

namespace redfish::registries {

const Message* getMessageFromRegistry(const std::string& message_key,
                                      std::span<const MessageEntry> registry) {
  std::span<const MessageEntry>::iterator message_it = std::find_if(
      registry.begin(), registry.end(),
      [&message_key](const MessageEntry& messageEntry) {
        return std::strcmp(messageEntry.first, message_key.c_str()) == 0;
      });
  if (message_it != registry.end()) {
    return &message_it->second;
  }

  return nullptr;
}

const Message* getMessage(std::string_view messageID) {
  // Redfish MessageIds are in the form
  // RegistryName.MajorVersion.MinorVersion.MessageKey, so parse it to find
  // the right Message
  std::vector<std::string> fields;
  fields.reserve(4);
  bmcweb::split(fields, messageID, '.');
  const std::string& registry_name = fields[0];
  const std::string& message_key = fields[3];

  // Find the right registry and check it for the MessageKey
  if (std::string(base::header.registryPrefix) == registry_name) {
    return getMessageFromRegistry(
        message_key, std::span<const MessageEntry>(base::registry));
  }
  if (std::string(openbmc::header.registryPrefix) == registry_name) {
    return getMessageFromRegistry(
        message_key, std::span<const MessageEntry>(openbmc::registry));
  }
  return nullptr;
}

}  // namespace redfish::registries