Fix bugs

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

utils/shared/src/iosMain/kotlin/com/pr0gramm3r101/utils/files/PlatformFileSystem.ios.kt

@@ -0,0 +1,47 @@
+package com.pr0gramm3r101.utils.files
+
+import kotlinx.cinterop.ExperimentalForeignApi
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.usePinned
+import platform.Foundation.NSData
+import platform.Foundation.NSFileManager
+import platform.Foundation.NSCachesDirectory
+import platform.Foundation.NSSearchPathForDirectoriesInDomains
+import platform.Foundation.NSUserDomainMask
+import platform.Foundation.create
+import platform.Foundation.writeToFile
+
+@OptIn(ExperimentalForeignApi::class)
+internal actual fun expectExists(path: String): Boolean =
+    NSFileManager.defaultManager.fileExistsAtPath(path)
+
+@OptIn(ExperimentalForeignApi::class)
+internal actual fun expectWriteBytes(path: String, bytes: ByteArray) {
+    val nsData = bytes.usePinned { pinned ->
+        NSData.create(bytes = pinned.addressOf(0), length = bytes.size.toULong())
+    }
+    nsData?.writeToFile(path, true)
+}
+
+internal actual fun expectDelete(path: String) {
+    NSFileManager.defaultManager.removeItemAtPath(path, null)
+}
+
+internal actual fun expectDeleteFilesWithPrefix(dirPath: String, namePrefix: String) {
+    val contents = NSFileManager.defaultManager.contentsOfDirectoryAtPath(dirPath, null)
+        ?: return
+    (contents as List<*>).filterIsInstance<String>().forEach { name ->
+        if (name.startsWith(namePrefix)) {
+            NSFileManager.defaultManager.removeItemAtPath("$dirPath/$name", null)
+        }
+    }
+}
+
+internal actual fun expectGetAppCacheDirectory(): String {
+    val paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, true)
+    return (paths.firstOrNull() as? String) ?: ""
+}
+
+internal actual fun expectEnsureDirectory(path: String) {
+    NSFileManager.defaultManager.createDirectoryAtPath(path, true, null, null)
+}