postprocess-headers.sh

#!/bin/sh
#
# Copyright (C) 2014-2020 Apple Inc. All rights reserved.
#
# 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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS CONTRIBUTORS
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# 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
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.
#

POSTPROCESS_HEADER_RULE="${SRCROOT}/Scripts/postprocess-header-rule"
[[ -x "${POSTPROCESS_HEADER_RULE}" ]] || { echo "### Unable to find ${POSTPROCESS_HEADER_RULE}"; exit 1; }
TIMESTAMP="${TARGET_TEMP_DIR}/postprocess-headers-timestamp"

function rewrite_headers ()
{
    for HEADER_PATH in "${1}/"*.h; do
        [ "${TIMESTAMP}" -nt "${HEADER_PATH}" ] || \
        SCRIPT_HEADER_VISIBILITY="${2}" \
        SCRIPT_INPUT_FILE="${HEADER_PATH}" \
        SCRIPT_OUTPUT_FILE_0="${HEADER_PATH}" \
            "${POSTPROCESS_HEADER_RULE}"
    done
}

rewrite_headers "${TARGET_BUILD_DIR}/${PUBLIC_HEADERS_FOLDER_PATH}" Public
rewrite_headers "${TARGET_BUILD_DIR}/${PRIVATE_HEADERS_FOLDER_PATH}" Private
touch "${TIMESTAMP}"