#miscellaneous macros

################### macros from http://www.cmake.org/Wiki/CMakeMacroListOperations
MACRO(CAR var)
  SET(${var} ${ARGV1})
ENDMACRO(CAR)

MACRO(CDR var junk)
  SET(${var} ${ARGN})
ENDMACRO(CDR)


MACRO(LIST_INDEX var index)
  SET(list . ${ARGN})
  FOREACH(i RANGE 1 ${index})
    CDR(list ${list})
  ENDFOREACH(i)
  CAR(${var} ${list})
ENDMACRO(LIST_INDEX)

######### LIST_CONTAINS usage
#SET(MYLIST hello world foo bar)

#LIST_CONTAINS(contains foo ${MYLIST})
#IF (contains)
#  MESSAGE("MYLIST contains foo")
#ENDIF (contains)

#LIST_CONTAINS(contains baz ${MYLIST})
#IF (NOT contains)
#  MESSAGE("MYLIST does not contain baz")
#ENDIF (NOT contains)


MACRO(LIST_CONTAINS var value)
  SET(${var})
  FOREACH (value2 ${ARGN})
    IF (${value} STREQUAL ${value2})
      SET(${var} TRUE)
    ENDIF (${value} STREQUAL ${value2})
  ENDFOREACH (value2)
ENDMACRO(LIST_CONTAINS)

############################################################
################### macros from http://www.cmake.org/Wiki/CMakeMacroParseArguments
MACRO(PARSE_ARGUMENTS prefix arg_names option_names)
  #MESSAGE("!!!! ${prefix} args-->${arg_names}<-- opt-->${option_names}<--")
  SET(DEFAULT_ARGS)
  FOREACH(arg_name ${arg_names})
    SET(${prefix}_${arg_name})
  ENDFOREACH(arg_name)
  FOREACH(option ${option_names})
    SET(${prefix}_${option} FALSE)
  ENDFOREACH(option)

  SET(current_arg_name DEFAULT_ARGS)
  SET(current_arg_list)
  FOREACH(arg ${ARGN})
    #debug#MESSAGE("---->${arg}<------")
    LIST_CONTAINS(is_arg_name ${arg} ${arg_names})
    IF (is_arg_name)
      SET(${prefix}_${current_arg_name} ${current_arg_list})
      SET(current_arg_name ${arg})
      SET(current_arg_list)
    ELSE (is_arg_name)
      LIST_CONTAINS(is_option ${arg} ${option_names})
      IF (is_option)
    SET(${prefix}_${arg} TRUE)
      ELSE (is_option)
    SET(current_arg_list ${current_arg_list} ${arg})
      ENDIF (is_option)
    ENDIF (is_arg_name)
  ENDFOREACH(arg)
  SET(${prefix}_${current_arg_name} ${current_arg_list})
ENDMACRO(PARSE_ARGUMENTS)

#############################################################
#MACRO(SHOW_USAGE_OF_PARSE_ARGUMENTS)
#  PARSE_ARGUMENTS(PLUGIN
#    "EXPORTS;AUTOLOAD_SCRIPTS;LINK_LIBRARIES;DEPENDS"
#    "AUTO_INSTALL;NO_MODULE"
#    ${ARGN}
#    )
#  CAR(PLUGIN_NAME ${PLUGIN_DEFAULT_ARGS})
#  CDR(PLUGIN_SOURCES ${PLUGIN_DEFAULT_ARGS})
#
#  MESSAGE("*** Arguments for ${PLUGIN_NAME}")
#  MESSAGE("Sources: ${PLUGIN_SOURCES}")
#  MESSAGE("Exports: ${PLUGIN_EXPORTS}")
#  MESSAGE("Autoload scripts: ${PLUGIN_AUTOLOAD_SCRIPTS}")
#  MESSAGE("Link libraries: ${PLUGIN_LINK_LIBRARIES}")
#  MESSAGE("Depends: ${PLUGIN_DEPENDS}")
#  IF (PLUGIN_AUTO_INSTALL)
#    MESSAGE("Auto install")
#  ENDIF (PLUGIN_AUTO_INSTALL)
#  IF (PLUGIN_NO_MODULE)
#    MESSAGE("No module")
#  ENDIF (PLUGIN_NO_MODULE)
#ENDMACRO(SHOW_USAGE_OF_PARSE_ARGUMENTS)
#examples
#SHOW_USAGE_OF_PARSE_ARGUMENTS(MyAppCore NO_MODULE CoreSource1.cxx CoreSource2.cxx EXPORTS RequiredObject1 RequredObject2 AUTOLOAD_SCRIPTS startup.py initialize.py)

#SHOW_USAGE_OF_PARSE_ARGUMENTS(MyAppDefaultComponents
#  Component1.cxx Component2.cxx
#  EXPORTS Component1 Component2
#  DEPENDS MyAppCore
#  AUTO_INSTALL
#  )
########################################################