added fs abstrction

src/kernel/fs/FileHandler.hx

@@ -0,0 +1,116 @@
+package kernel.fs;
+
+import cc.FileSystem.FileHandle;
+
+using tink.CoreApi;
+
+abstract ReadHandle(FileHandle) from FileHandle {
+
+	public inline function new(handle:FileHandle) {
+		this = handle;
+	}
+
+	public inline function readLine(?withTrailing:Bool = false):Null<String>{
+		return this.readLine(withTrailing);
+	}
+
+	public inline function readAll():Null<String>{
+		return this.readAll();
+	}
+
+	public inline function read(?count:Int = 1):Null<String>{
+		return this.read(count);
+	}
+
+	public inline function close():Void{
+		this.close();
+	}
+}
+
+abstract WriteHandle(FileHandle) from FileHandle {
+
+	public inline function new(handle:FileHandle) {
+		this = handle;
+	}
+
+	public inline function write(data:String):Void{
+		this.write(data);
+	}
+
+	public inline function writeLine(data:String):Void{
+		this.writeLine(data);
+	}
+
+	public inline function flush():Void{
+		this.flush();
+	}
+
+	public inline function close():Void{
+		this.close();
+	}
+}
+
+abstract ReadBinaryHandle(FileHandle) from FileHandle {
+
+	public inline function new(handle:FileHandle) {
+		this = handle;
+	}
+
+	public inline function readLine(?withTrailing:Bool = false):Null<String>{
+		return this.readLine(withTrailing);
+	}
+
+	public inline function readAll():Null<String>{
+		return this.readAll();
+	}
+
+	public inline function read(count:Int):Null<String>{
+		return this.read(count);
+	}
+
+	public inline function readByte():Null<Int>{
+		return this.read();
+	}
+
+	public inline function seek(?whence:BinarySeekWhence = Current, ?offset:Int):Void{
+		this.seek(whence,offset);
+	}
+
+	public inline function close():Void{
+		this.close();
+	}
+}
+
+abstract WriteBinaryHandle(FileHandle) from FileHandle {
+
+	public inline function new(handle:FileHandle) {
+		this = handle;
+	}
+
+	public inline function write(data: String):Void{
+		this.write(data);
+	}
+
+	// TODO
+	public inline function writeByte(data: Int):Void{
+		// this.write(data);
+	}
+
+	public inline function flush():Void{
+		this.flush();
+	}
+
+	public inline function close():Void{
+		this.close();
+	}
+
+	public inline function seek(?whence:BinarySeekWhence = Current, ?offset:Int):Void{
+		this.seek(whence,offset);
+	}
+}
+
+@:enum abstract BinarySeekWhence(String) to String {
+	var Set = "set"; // Relative to the beginning of the file.
+	var Current = "cur"; // Relative to the current position. This is the default.
+	var End = "end"; // Relative to the end of the file.
+}