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1 # Parse arguments passed to a function into several lists separated by |
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2 # upper-case identifiers and options that do not have an associated list e.g.: |
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3 # |
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4 # SET(arguments |
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5 # hello OPTION3 world |
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6 # LIST3 foo bar |
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7 # OPTION2 |
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8 # LIST1 fuz baz |
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9 # ) |
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10 # PARSE_ARGUMENTS(ARG "LIST1;LIST2;LIST3" "OPTION1;OPTION2;OPTION3" ${arguments}) |
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11 # |
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12 # results in 7 distinct variables: |
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13 # * ARG_DEFAULT_ARGS: hello;world |
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14 # * ARG_LIST1: fuz;baz |
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15 # * ARG_LIST2: |
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16 # * ARG_LIST3: foo;bar |
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17 # * ARG_OPTION1: FALSE |
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18 # * ARG_OPTION2: TRUE |
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19 # * ARG_OPTION3: TRUE |
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20 # |
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21 # taken from http://www.cmake.org/Wiki/CMakeMacroParseArguments |
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22 |
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23 MACRO(PARSE_ARGUMENTS prefix arg_names option_names) |
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24 SET(DEFAULT_ARGS) |
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25 FOREACH(arg_name ${arg_names}) |
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26 SET(${prefix}_${arg_name}) |
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27 ENDFOREACH(arg_name) |
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28 FOREACH(option ${option_names}) |
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29 SET(${prefix}_${option} FALSE) |
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30 ENDFOREACH(option) |
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31 |
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32 SET(current_arg_name DEFAULT_ARGS) |
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33 SET(current_arg_list) |
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34 FOREACH(arg ${ARGN}) |
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35 SET(larg_names ${arg_names}) |
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36 LIST(FIND larg_names "${arg}" is_arg_name) |
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37 IF (is_arg_name GREATER -1) |
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38 SET(${prefix}_${current_arg_name} ${current_arg_list}) |
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39 SET(current_arg_name ${arg}) |
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40 SET(current_arg_list) |
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41 ELSE (is_arg_name GREATER -1) |
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42 SET(loption_names ${option_names}) |
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43 LIST(FIND loption_names "${arg}" is_option) |
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44 IF (is_option GREATER -1) |
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45 SET(${prefix}_${arg} TRUE) |
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46 ELSE (is_option GREATER -1) |
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47 SET(current_arg_list ${current_arg_list} ${arg}) |
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48 ENDIF (is_option GREATER -1) |
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49 ENDIF (is_arg_name GREATER -1) |
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50 ENDFOREACH(arg) |
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51 SET(${prefix}_${current_arg_name} ${current_arg_list}) |
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52 ENDMACRO(PARSE_ARGUMENTS) |
