add mimetypes

mime_types/src/commonMain/kotlin/dev/inmo/micro_utils/mime_types/MimeTypeTools.kt

@@ -0,0 +1,31 @@
+package dev.inmo.micro_utils.mime_types
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializer
+import kotlinx.serialization.descriptors.*
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+private val mimesCache = mutableMapOf<String, MimeType>().also {
+    knownMimeTypes.forEach { mimeType -> it[mimeType.raw] = mimeType }
+}
+
+fun mimeType(raw: String) = mimesCache.getOrPut(raw) {
+    parseMimeType(raw)
+}
+
+internal fun parseMimeType(raw: String): MimeType = CustomMimeType(raw)
+
+@Serializer(MimeType::class)
+object MimeTypeSerializer : KSerializer<MimeType> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("mimeType", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): MimeType {
+        val mimeType = decoder.decodeString()
+        return mimeType(mimeType)
+    }
+
+    override fun serialize(encoder: Encoder, value: MimeType) {
+        encoder.encodeString(value.raw)
+    }
+}