CMakeMacroFilterOut: Difference between revisions

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     MACRO(FILTER_OUT FILTERS INPUTS OUTPUT)
     MACRO(FILTER_OUT FILTERS INPUTS OUTPUT)
    #
        # Mimicks Gnu Make's $(filter-out) which removes elements  
    # Mimicks Gnu Make's $(filter-out) which removes elements  
        # from a list that match the pattern.
    # from a list that match the pattern.
        # Arguments:
    # Arguments:
        #  FILTERS - list of patterns that need to be removed
    #  FILTERS - list of patterns that need to be removed
        #  INPUTS  - list of inputs that will be worked on
    #  INPUTS  - list of inputs that will be worked on
        #  OUTPUT  - the filtered list to be returned
    #  OUTPUT  - the filtered list to be returned
        #  
    #  
        # Example:  
    # Example:  
        #  SET(MYLIST this that and the other)
    #  SET(MYLIST this that and the other)
        #  SET(FILTS this that)
    #  SET(FILTS this that)
        #
    #
        #  FILTER_OUT("${FILTS}" "${MYLIST}" OUT)
    #  FILTER_OUT("${FILTS}" "${MYLIST}" OUT)
        #  MESSAGE("OUTPUT = ${OUT}")
    #  MESSAGE("OUTPUT = ${OUT}")
        #
    #
        # The output -  
    # The output -  
        #  OUTPUT = and;the;other
    #  OUTPUT = and;the;other
        #
    #
        SET(FOUT "")
    SET(FOUT "")
        FOREACH(INP ${INPUTS})
    FOREACH(INP ${INPUTS})
            SET(FILTERED 0)
        SET(FILTERED 0)
            FOREACH(FILT ${FILTERS})
        FOREACH(FILT ${FILTERS})
                IF(${FILTERED} EQUAL 0)
                    IF("${FILT}" STREQUAL "${INP}")
                        SET(FILTERED 1)
                    ENDIF("${FILT}" STREQUAL "${INP}")
                ENDIF(${FILTERED} EQUAL 0)
            ENDFOREACH(FILT ${FILTERS})
 
             IF(${FILTERED} EQUAL 0)
             IF(${FILTERED} EQUAL 0)
                 IF("${FILT}" STREQUAL "${INP}")
                 SET(FOUT ${FOUT} ${INP})
                    SET(FILTERED 1)
                ENDIF("${FILT}" STREQUAL "${INP}")
             ENDIF(${FILTERED} EQUAL 0)
             ENDIF(${FILTERED} EQUAL 0)
         ENDFOREACH(FILT ${FILTERS})
         ENDFOREACH(INP ${INPUTS})
       
        SET(${OUTPUT} ${FOUT})
        IF(${FILTERED} EQUAL 0)
            SET(FOUT ${FOUT} ${INP})
        ENDIF(${FILTERED} EQUAL 0)
    ENDFOREACH(INP ${INPUTS})
    SET(${OUTPUT} ${FOUT})
     ENDMACRO(FILTER_OUT FILTERS INPUTS OUTPUT)
     ENDMACRO(FILTER_OUT FILTERS INPUTS OUTPUT)

Revision as of 02:58, 15 September 2005

   MACRO(FILTER_OUT FILTERS INPUTS OUTPUT)
       # Mimicks Gnu Make's $(filter-out) which removes elements 
       # from a list that match the pattern.
       # Arguments:
       #  FILTERS - list of patterns that need to be removed
       #  INPUTS  - list of inputs that will be worked on
       #  OUTPUT  - the filtered list to be returned
       # 
       # Example: 
       #  SET(MYLIST this that and the other)
       #  SET(FILTS this that)
       #
       #  FILTER_OUT("${FILTS}" "${MYLIST}" OUT)
       #  MESSAGE("OUTPUT = ${OUT}")
       #
       # The output - 
       #   OUTPUT = and;the;other
       #
       SET(FOUT "")
       FOREACH(INP ${INPUTS})
           SET(FILTERED 0)
           FOREACH(FILT ${FILTERS})
               IF(${FILTERED} EQUAL 0)
                   IF("${FILT}" STREQUAL "${INP}")
                       SET(FILTERED 1)
                   ENDIF("${FILT}" STREQUAL "${INP}")
               ENDIF(${FILTERED} EQUAL 0)
           ENDFOREACH(FILT ${FILTERS})
           IF(${FILTERED} EQUAL 0)
               SET(FOUT ${FOUT} ${INP})
           ENDIF(${FILTERED} EQUAL 0)
       ENDFOREACH(INP ${INPUTS})
       SET(${OUTPUT} ${FOUT})
   ENDMACRO(FILTER_OUT FILTERS INPUTS OUTPUT)