# CMakeLists.txt: Tools for handling plugins
# Copyright 2018 Vincent Damewood
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
#    copyright notice, this list of conditions and the following
#    disclaimer in the documentation and/or other materials provided
#    with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
# WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# Convert a string to the filename it would have as a shared library.
function(make_plugin OUT IN)
	get_filename_component(DIR ${${IN}} DIRECTORY)
	if(NOT "${DIR}" STREQUAL "")
		set(DIR "${DIR}/")
	endif()
	get_filename_component(FNAME ${${IN}} NAME)
	set(FNAME "${CMAKE_SHARED_LIBRARY_PREFIX}${FNAME}${CMAKE_SHARED_LIBRARY_SUFFIX}")
	set(${OUT} "${DIR}${FNAME}" PARENT_SCOPE)
endfunction()

# Convert a list of strings to the file names each string would have
# as a shared library.
function(make_plugin_list OUT)
	set(${OUT})
	foreach(ITEM ${ARGN})
		make_plugin(ITEM ITEM)
		list(APPEND ${OUT} "${ITEM}")
	endforeach()
	set(${OUT} ${${OUT}} PARENT_SCOPE)
endfunction()
