#!/bin/bash
#
# Copyright (C) 2014-2019 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
# 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.
#

if [[ -z "${SCRIPT_HEADER_VISIBILITY}" ]]; then
    exit 0
fi

function process_definitions () {
    local DEFINITIONS_FILE=$1

    if [[ ! -f "${DEFINITIONS_FILE}" ]]; then
        return 1
    fi

    source "${DEFINITIONS_FILE}"
}

function rewrite_headers () {
    ditto "${1}" "${2}"

    if [[ ! -z `grep '#import <WebKitAdditions/.*\.h>' "${2}"` ]]; then
        python "${SRCROOT}/mac/replace-webkit-additions-includes.py" "${2}" "${BUILT_PRODUCTS_DIR}" "${SDKROOT}" || exit $?
    fi

    if [[ "${WK_FRAMEWORK_HEADER_POSTPROCESSING_DISABLED}" != "YES" ]]; then
        if [[ "${WK_PLATFORM_NAME}" == "macosx" ]]; then
            [[ -n ${OSX_VERSION} ]] || OSX_VERSION=${MACOSX_DEPLOYMENT_TARGET}
            [[ -n ${IOS_VERSION} ]] || IOS_VERSION="NA"
        elif [[ "${WK_PLATFORM_NAME}" =~ "iphone" ]]; then
            [[ -n ${IOS_VERSION} ]] || IOS_VERSION=${IPHONEOS_DEPLOYMENT_TARGET}
            [[ -n ${OSX_VERSION} ]] || OSX_VERSION="NA"
        fi

        SED_OPTIONS=(
        )

        if [[ -n "$OSX_VERSION" && -n "$IOS_VERSION" ]]; then
            SED_OPTIONS+=(
                -e s/WK_MAC_TBA/${OSX_VERSION}/g
                -e s/WK_IOS_TBA/${IOS_VERSION}/g
                -e s/WK_API_AVAILABLE/API_AVAILABLE/
                -e s/WK_API_DEPRECATED/API_DEPRECATED/
                -e "s/^WK_CLASS_AVAILABLE/WK_EXTERN API_AVAILABLE/"
                -e "s/^WK_CLASS_DEPRECATED/WK_EXTERN API_DEPRECATED/"
            )
        else
            SED_OPTIONS+=(
                -e 's/WK_(API_|CLASS_)AVAILABLE\(.*\)\s*\)//g'
                -e 's/WK_(API_|CLASS_)DEPRECATED(_WITH_REPLACEMENT)?\(.*\)\s*\)//g'
            )
        fi

        SED_OPTIONS+=(${OTHER_SED_OPTIONS[*]})

        sed -i .tmp -E "${SED_OPTIONS[@]}" "${2}" || exit $?
    fi

    HEADER_NAME=$(basename "${2}")
    if [[ "${HEADER_NAME}" == "WKBase.h" ]]; then
        unifdef -B -D__APPLE__ -UBUILDING_GTK__ -UBUILDING_WPE__ -UUSE_SOUP -o "${2}".unifdef "${2}"

        case $? in
            0) rm "${2}".unifdef ;;
            1) mv "${2}"{.unifdef,} ;;
            *) exit 1
        esac
    fi

    if [[ "${HEADER_NAME}" == "WKFoundation.h" ]]; then
        if [[ "${WK_FRAMEWORK_HEADER_POSTPROCESSING_DISABLED}" == "YES" ]]; then
            UNIFDEF_OPTIONS="-UWK_FRAMEWORK_HEADER_POSTPROCESSING_ENABLED"
        else
            UNIFDEF_OPTIONS="-DWK_FRAMEWORK_HEADER_POSTPROCESSING_ENABLED"
        fi

        unifdef -B ${UNIFDEF_OPTIONS} -o "${2}".unifdef "${2}"

        case $? in
            0) rm "${2}".unifdef ;;
            1) mv "${2}"{.unifdef,} ;;
            *) exit 1
        esac
    fi
}

DEFINITIONS_PATH=usr/local/include/WebKitAdditions/Scripts/postprocess-framework-headers-definitions

process_definitions "${BUILT_PRODUCTS_DIR}/${DEFINITIONS_PATH}" || process_definitions "${SDKROOT}/${DEFINITIONS_PATH}"

rewrite_headers "${SCRIPT_INPUT_FILE}" "${SCRIPT_OUTPUT_FILE_0}"