Update Files

Kha/Backends/Node/kha/Blob.hx

@@ -0,0 +1,126 @@
+package kha;
+
+import haxe.io.Bytes;
+import js.node.Buffer;
+
+class Blob implements Resource {
+	var buffer: Buffer;
+
+	function new(bytes: Bytes) {
+		if (bytes != null) {
+			buffer = new Buffer(bytes.length);
+			for (i in 0...bytes.length) {
+				buffer.writeUInt8(bytes.get(i), i);
+			}
+		}
+	}
+
+	public static function fromBytes(bytes: Bytes): Blob {
+		return new Blob(bytes);
+	}
+
+	public static function alloc(size: Int): Blob {
+		var blob = new Blob(null);
+		var array = new Array();
+		array[size - 1] = 0;
+		blob.buffer = new Buffer(array);
+		return blob;
+	}
+
+	@:noCompletion
+	public static function _fromBuffer(buffer: Buffer): Blob {
+		var blob = new Blob(null);
+		blob.buffer = buffer;
+		return blob;
+	}
+
+	public function sub(start: Int, length: Int): Blob {
+		return _fromBuffer(buffer.slice(start, start + length));
+	}
+
+	public var length(get, never): Int;
+
+	function get_length(): Int {
+		return buffer.length;
+	}
+
+	public function writeU8(position: Int, value: Int): Void {
+		buffer.writeUInt8(value, position);
+	}
+
+	public function readU8(position: Int): Int {
+		var byte = buffer.readUInt8(position);
+		++position;
+		return byte;
+	}
+
+	public function readS8(position: Int): Int {
+		var byte = buffer.readInt8(position);
+		++position;
+		return byte;
+	}
+
+	public function readU16BE(position: Int): Int {
+		var value = buffer.readUInt16BE(position);
+		position += 2;
+		return value;
+	}
+
+	public function readU16LE(position: Int): Int {
+		var value = buffer.readUInt16LE(position);
+		position += 2;
+		return value;
+	}
+
+	public function readS16BE(position: Int): Int {
+		var value = buffer.readInt16BE(position);
+		position += 2;
+		return value;
+	}
+
+	public function readS16LE(position: Int): Int {
+		var value = buffer.readInt16LE(position);
+		position += 2;
+		return value;
+	}
+
+	public function readS32BE(position: Int): Int {
+		var value = buffer.readInt32BE(position);
+		position += 4;
+		return value;
+	}
+
+	public function readS32LE(position: Int): Int {
+		var value = buffer.readInt32LE(position);
+		position += 4;
+		return value;
+	}
+
+	public function readF32BE(position: Int): Float {
+		var value = buffer.readFloatBE(position);
+		position += 4;
+		return value;
+	}
+
+	public function readF32LE(position: Int): Float {
+		var value = buffer.readFloatLE(position);
+		position += 4;
+		return value;
+	}
+
+	public function toString(): String {
+		return buffer.toString();
+	}
+
+	public function readUtf8String(): String {
+		return toString();
+	}
+
+	public function toBytes(): Bytes {
+		return Bytes.ofData(cast buffer);
+	}
+
+	public function unload(): Void {
+		buffer = null;
+	}
+}