2018-07-27 16:30:11 +02:00
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# prevent multiple inclusion
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if(DEFINED LIST_TO_STRING_LOADED)
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return()
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endif()
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set(LIST_TO_STRING_LOADED ON)
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2017-02-11 02:30:46 +01:00
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2018-07-27 16:30:11 +02:00
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function(list_to_string separator prefix suffix input_list output_string_var)
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set(res "")
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# get list length
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list(LENGTH input_list list_length)
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# if the list has 0 or 1 element, there is no need to loop over
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if(list_length LESS 2)
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set(res "${prefix}${input_list}${suffix}")
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else()
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math(EXPR last_element_index "${list_length} - 1")
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foreach(index RANGE ${last_element_index})
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# get current item_value
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list(GET input_list ${index} item_value)
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if(NOT item_value STREQUAL "")
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# .. and append non-empty value to output string
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set(res "${res}${prefix}${item_value}${suffix}")
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# append separator if current element is NOT the last one.
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if(NOT index EQUAL last_element_index)
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set(res "${res}${separator}")
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2016-06-09 22:57:51 +02:00
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endif()
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2018-07-27 16:30:11 +02:00
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endif()
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endforeach()
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endif()
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set(${output_string_var} "${res}" PARENT_SCOPE)
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endfunction()
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