# Copyright 2018, 2019 Peter Dimov
# Distributed under the Boost Software License, Version 1.0.
# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt

# Include BoostTest outside the include guard for it to clear its global variables
include(BoostTest)

if(NOT CMAKE_VERSION VERSION_LESS 3.10)
  include_guard()
endif()

include(BoostMessage)

# boost_test_jamfile( FILE jamfile [PREFIX prefix]
#   LINK_LIBRARIES libs...
#   COMPILE_DEFINITIONS defs...
#   COMPILE_OPTIONS opts...
#   COMPILE_FEATURES features...
# )

function(boost_test_jamfile)

  cmake_parse_arguments(_ "" "FILE;PREFIX" "LIBRARIES;LINK_LIBRARIES;COMPILE_DEFINITIONS;COMPILE_OPTIONS;COMPILE_FEATURES" ${ARGN})

  if(__UNPARSED_ARGUMENTS)
    message(AUTHOR_WARNING "boost_test_jamfile: extra arguments ignored: ${__UNPARSED_ARGUMENTS}")
  endif()

  if(__LIBRARIES)
    boost_message(VERBOSE "boost_test_jamfile: LIBRARIES is deprecated, use LINK_LIBRARIES")
  endif()

  if(NOT __FILE)
    message(AUTHOR_WARNING "boost_test_jamfile: required argument FILE is missing")
    return()
  endif()

  if(DEFINED BUILD_TESTING AND NOT BUILD_TESTING)
    return()
  endif()

  file(STRINGS ${__FILE} data)

  set(types compile compile-fail link link-fail run run-fail)

  foreach(line IN LISTS data)
    if(line)

      string(REGEX MATCHALL "[^ ]+" ll ${line})

      if(ll)
        list(GET ll 0 e0)

        if(e0 IN_LIST types)

          list(LENGTH ll lln)

          if(NOT lln EQUAL 2)

            boost_message(VERBOSE "boost_test_jamfile: Jamfile line ignored: ${line}")

          else()

            list(GET ll 1 e1)

            boost_test(PREFIX ${__PREFIX} TYPE ${e0}
              SOURCES ${e1}
              LINK_LIBRARIES ${__LIBRARIES} ${__LINK_LIBRARIES}
              COMPILE_DEFINITIONS ${__COMPILE_DEFINITIONS}
              COMPILE_OPTIONS ${__COMPILE_OPTIONS}
              COMPILE_FEATURES ${__COMPILE_FEATURES}
            )

          endif()
        endif()
      endif()
    endif()
  endforeach(line)

endfunction(boost_test_jamfile)