Update Files

Kha/Tools/linux_arm64/std/cs/io/NativeOutput.hx

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+/*
+ * Copyright (C)2005-2019 Haxe Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+package cs.io;
+
+import haxe.Int64;
+import haxe.io.Bytes;
+import haxe.io.Output;
+
+class NativeOutput extends Output {
+	var canSeek(get, never):Bool;
+
+	var stream:cs.system.io.Stream;
+
+	public function new(stream) {
+		this.stream = stream;
+		if (!stream.CanWrite)
+			throw "Read-only stream";
+	}
+
+	override public function writeByte(c:Int):Void {
+		stream.WriteByte(cast c);
+	}
+
+	override public function close():Void {
+		stream.Close();
+	}
+
+	override public function flush():Void {
+		stream.Flush();
+	}
+
+	override public function prepare(nbytes:Int):Void {
+		// TODO see if implementation is correct
+		stream.SetLength(haxe.Int64.add(stream.Length, cast(nbytes, Int64)));
+	}
+
+	private inline function get_canSeek():Bool {
+		return stream.CanSeek;
+	}
+
+	public function seek(p:Int, pos:sys.io.FileSeek):Void {
+		var pos = switch (pos) {
+			case SeekBegin: cs.system.io.SeekOrigin.Begin;
+			case SeekCur: cs.system.io.SeekOrigin.Current;
+			case SeekEnd: cs.system.io.SeekOrigin.End;
+		};
+
+		stream.Seek(cast(p, Int64), pos);
+	}
+
+	public function tell():Int {
+		return cast(stream.Position, Int);
+	}
+}