MPPFile

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/InputAllocator.kt

@@ -7,9 +7,17 @@ import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 
 typealias ByteArrayAllocator = () -> ByteArray
+typealias SuspendByteArrayAllocator = suspend () -> ByteArray
 
 val ByteArray.asAllocator: ByteArrayAllocator
     get() = { this }
+val ByteArray.asSuspendAllocator: SuspendByteArrayAllocator
+    get() = { this }
+val ByteArrayAllocator.asSuspendAllocator: SuspendByteArrayAllocator
+    get() = { this() }
+suspend fun SuspendByteArrayAllocator.asAllocator(): ByteArrayAllocator {
+    return invoke().asAllocator
+}
 
 object ByteArrayAllocatorSerializer : KSerializer<ByteArrayAllocator> {
     private val realSerializer = ByteArraySerializer()
@@ -17,7 +25,7 @@ object ByteArrayAllocatorSerializer : KSerializer<ByteArrayAllocator> {
 
     override fun deserialize(decoder: Decoder): ByteArrayAllocator {
         val bytes = realSerializer.deserialize(decoder)
-        return { bytes }
+        return bytes.asAllocator
     }
 
     override fun serialize(encoder: Encoder, value: ByteArrayAllocator) {

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/MPPFile.kt

@@ -0,0 +1,31 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.serialization.Serializable
+import kotlin.jvm.JvmInline
+
+@Serializable
+@JvmInline
+value class FileName(val string: String) {
+    val name: String
+        get() = string.takeLastWhile { it != '/' }
+    val extension: String
+        get() = name.takeLastWhile { it != '.' }
+    val nameWithoutExtension: String
+        get() {
+            val filename = name
+            return filename.indexOfLast { it == '.' }.takeIf { it > -1 } ?.let {
+                filename.substring(0, it)
+            } ?: filename
+        }
+    override fun toString(): String = string
+}
+
+
+@PreviewFeature
+expect class MPPFile
+
+expect val MPPFile.filename: FileName
+expect val MPPFile.filesize: Long
+expect val MPPFile.bytesAllocator: SuspendByteArrayAllocator
+suspend fun MPPFile.bytes() = bytesAllocator()
+