# If not stated otherwise in this file or this component's license file the
# following copyright and licenses apply:
#
# Copyright 2020 RDK Management
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# sets all undefined properties of map to the default value
function(map_defaults map defaults)
  obj("${defaults}")
  ans(defaults)
  if(NOT defaults)
    message(FATAL_ERROR "No defaults specified")
  endif()

  if(NOT map)
    map_new()
    ans(map)
  endif()

  map_keys("${map}")
  ans(keys)

  map_keys("${defaults}")
  ans(default_keys)


  if(default_keys AND keys)
    list(REMOVE_ITEM default_keys ${keys})
  endif()
  foreach(key ${default_keys})
    map_tryget("${defaults}" "${key}")
    ans(val)
    map_set("${map}" "${key}" "${val}")
  endforeach()
  return_ref(map)
endfunction()
