Update Files

Kha/Sources/kha/StorageFile.hx

@@ -0,0 +1,59 @@
+package kha;
+
+import haxe.io.Bytes;
+import haxe.Serializer;
+import haxe.Unserializer;
+
+// A file in the storage system.
+// Be aware that on some platforms files may be easily lost, such us Flash or HTML5.
+class StorageFile {
+	public function read(): Blob {
+		return null;
+	}
+
+	public function write(data: Blob): Void {}
+
+	public function append(data: Blob): Void {}
+
+	public function canAppend(): Bool {
+		return false;
+	}
+
+	public function maxSize(): Int {
+		return -1;
+	}
+
+	public function writeString(data: String): Void {
+		var bytes = Bytes.ofString(data);
+		write(Blob.fromBytes(bytes));
+	}
+
+	public function appendString(data: String): Void {
+		var bytes = Bytes.ofString(data);
+		append(Blob.fromBytes(bytes));
+	}
+
+	public function readString(): String {
+		var blob = read();
+		if (blob == null)
+			return null;
+		else
+			return blob.toString();
+	}
+
+	public function writeObject(object: Dynamic): Void {
+		writeString(Serializer.run(object));
+	}
+
+	public function readObject(): Dynamic {
+		var s = readString();
+		if (s == null)
+			return null;
+		try {
+			return Unserializer.run(s);
+		}
+		catch (e:Dynamic) {
+			return null;
+		}
+	}
+}