core/src/iosMain/kotlin/licensee/LicenseeLicenseInfoRepository.ios.kt
changeset 28 19cf2e8a0627
child 34 ce299aacc068
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/src/iosMain/kotlin/licensee/LicenseeLicenseInfoRepository.ios.kt	Thu Apr 03 16:08:10 2025 -0400
@@ -0,0 +1,67 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * AboutOss 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 AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.aboutoss.core.licensee
+
+import kotlinx.cinterop.ExperimentalForeignApi
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.usePinned
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.IO
+import okio.Buffer
+import platform.Foundation.NSBundle
+import platform.Foundation.NSData
+import platform.Foundation.NSFileManager
+import platform.posix.memcpy
+
+fun LicenseeLicenseInfoRepository(
+    licenseeResourcePath: String = "compose-resources/app/cash/licensee/artifacts.json",
+    mainCoroutineDispatcher: CoroutineDispatcher = Dispatchers.Main,
+    ioCoroutineDispatcher: CoroutineDispatcher = Dispatchers.IO,
+): LicenseeLicenseInfoRepository {
+    return LicenseeLicenseInfoRepository(
+        produceInput = {
+            val buffer = Buffer()
+            buffer.write(readResources(licenseeResourcePath))
+            buffer
+        },
+        mainCoroutineDispatcher = mainCoroutineDispatcher,
+        ioCoroutineDispatcher = ioCoroutineDispatcher
+    )
+}
+
+
+@OptIn(ExperimentalForeignApi::class)
+private fun readResources(path: String): ByteArray {
+    val data = readData(getPathInBundle(path))
+    return ByteArray(data.length.toInt()).apply {
+        usePinned { memcpy(it.addressOf(0), data.bytes, data.length) }
+    }
+}
+
+private fun getPathInBundle(path: String): String {
+    return NSBundle.mainBundle.resourcePath + "/$path"
+}
+
+private fun readData(path: String): NSData {
+    return NSFileManager.defaultManager().contentsAtPath(path) ?: error("Resources not found with path $path")
+}