iosMain.com.ctrip.flight.mmkv.Binary.kt Maven / Gradle / Ivy

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/*
 * Copyright (C) 2022 Ctrip.com.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.ctrip.flight.mmkv

import kotlinx.cinterop.addressOf
import kotlinx.cinterop.allocArrayOf
import kotlinx.cinterop.memScoped
import kotlinx.cinterop.usePinned
import platform.Foundation.NSData
import platform.Foundation.create
import platform.posix.memcpy

/**
 * Kotlin ByteArray 与 Objective-C NSData 互转
 * @author yaqiao
 */

internal fun NSData.toByteArray(): ByteArray = ByteArray([email protected]()).apply {
    usePinned {
        memcpy(it.addressOf(0), [email protected], [email protected])
    }
}

internal fun ByteArray.toNSData(): NSData = memScoped {
    NSData.create(bytes = allocArrayOf(this@toNSData),
        length = [email protected]())
}