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# - List filtering functions
#
# list_filter(var regex listitems...) - where var is the name of
# your desired output variable, regex is the regex whose matching items
# WILL be put in the output variable, and everything else is considered
# a list item to be filtered.
#
# list_filter_out(var regex listitems...) - where var is the name of
# your desired output variable, regex is the regex whose matching items
# will NOT be put in the output variable, and everything else is considered
# a list item to be filtered.
#
# Original Author:
# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
# http://academic.cleardefinition.com
# Iowa State University HCI Graduate Program/VRAC
#
# Copyright Iowa State University 2009-2010.
# 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)
if(__list_filter_out)
return()
endif()
set(__list_filter_out YES)
function(list_filter_out var regex)
set(_out)
foreach(_item ${ARGN})
set(_re)
string(REGEX MATCH "${regex}" _re "${_item}")
if(NOT _re)
list(APPEND _out "${_item}")
endif()
endforeach()
set(${var} "${_out}" PARENT_SCOPE)
endfunction()
function(list_filter var regex)
set(_out)
foreach(_item ${ARGN})
set(_re)
string(REGEX MATCH "${regex}" _re "${_item}")
if(_re)
list(APPEND _out "${_item}")
endif()
endforeach()
set(${var} "${_out}" PARENT_SCOPE)
endfunction()
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