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#.rst:
# KDEClangFormat
# --------------------
#
# This module provides a functionality to format the source
# code of your repository according to a predefined KDE
# clang-format file.
#
# This module provides the following function:
#
# ::
#
# kde_clang_format(<files>)
#
# Using this function will create a clang-format target that will format all
# <files> passed to the function with the predefined KDE clang-format style.
#
# Example usage:
#
# include(KDEClangFormat)
# file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES src/*.cpp src/*.h)
# kde_clang_format(${ALL_CLANG_FORMAT_SOURCE_FILES})
#
# Since 5.64
#=============================================================================
# Copyright 2019 Christoph Cullmann <cullmann@kde.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# try to find clang-format in path
find_program(KDE_CLANG_FORMAT_EXECUTABLE clang-format)
# instantiate our clang-format file, must be in source directory for tooling if we have the tool
if(KDE_CLANG_FORMAT_EXECUTABLE)
configure_file(${CMAKE_CURRENT_LIST_DIR}/clang-format.cmake ${CMAKE_CURRENT_SOURCE_DIR}/.clang-format @ONLY)
endif()
# formatting target
function(KDE_CLANG_FORMAT)
# add target only if clang-format available
if(KDE_CLANG_FORMAT_EXECUTABLE)
add_custom_target(clang-format
COMMAND
${KDE_CLANG_FORMAT_EXECUTABLE}
-style=file
-i
${ARGV}
WORKING_DIRECTORY
${CMAKE_CURRENT_SOURCE_DIR}
COMMENT
"Formatting sources in ${CMAKE_CURRENT_SOURCE_DIR} with ${KDE_CLANG_FORMAT_EXECUTABLE}..."
)
else()
add_custom_target(clang-format
COMMAND
${CMAKE_COMMAND} -E echo
"Could not set up the clang-format target as the clang-format executable is missing."
)
endif()
endfunction()
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