kicad/cmake/BuildSteps/TranslatePlatformMetadata_l...

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#
# This program source code file is part of KICAD, a free EDA CAD application.
#
# Copyright (C) 2021 Ian McInerney <Ian.S.McInerney@ieee.org>
# Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, you may find one here:
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# or you may search the http://www.gnu.org website for the version 2 license,
# or you may write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
# This file will translate a linux metadata file using msgfmt
# It requires the following variables to be defined before its call:
# MSGFMT_EXE - The executable to run
# PO_DIR - The directory containing the .po files
# SRC_FILE - The full path to the source file
# DEST_FILE - The full path to the destination file
get_filename_component( SRC_FNAME ${SRC_FILE} NAME )
get_filename_component( DEST_FNAME ${DEST_FILE} NAME )
get_filename_component( DEST_DIR ${DEST_FILE} DIRECTORY )
# Figure out the type of file we are translating
set( OPT_TYPE "" )
# This requires a double \\ to properly escape the regex character for some reason.
# Without it it throws an error about "Invalid escape sequence \."
if( "${SRC_FNAME}" MATCHES ".*\\.desktop\\.in" )
set( OPT_TYPE "--desktop" )
elseif( "${SRC_FNAME}" MATCHES ".*\\.xml\\.in" )
set( OPT_TYPE "--xml" )
endif()
# Execute the translation process
execute_process(
COMMAND ${MSGFMT_EXE} ${OPT_TYPE} --template=${SRC_FILE} -d ${PO_DIR} -o ${DEST_FILE}
WORKING_DIRECTORY ${DEST_DIR}
OUTPUT_VARIABLE _msgfmt_output
ERROR_VARIABLE _msgfmt_error
RESULT_VARIABLE _msgfmt_result
OUTPUT_STRIP_TRAILING_WHITESPACE
)
# Capture the return value and parse it to see if the translation failed
if( NOT ${_msgfmt_result} EQUAL 0)
message( WARNING "Unable to translate file ${SRC_FNAME}\n"
"Error: ${_msgfmt_error}" )
# If the translation failed, just copy the file from source to destination
message( STATUS "Copying file ${SRC_FNAME} to ${DEST_FNAME} instead." )
execute_process( COMMAND ${CMAKE_COMMAND} -E copy_if_different "${SRC_FILE}" "${DEST_FILE}" )
endif()