Add 16bit string reader/writer

readers/ReaderBE.ts

@@ -71,4 +71,15 @@ export class ReaderBE extends ReaderBase implements IReader {
 
 		return text;
 	}
+
+	public readString16() {
+		const length = this.readUShort();
+		let text:string = "";
+
+		for (let i = 0; i < length; i++) {
+			text += String.fromCharCode(this.readUShort());
+		}
+
+		return text;
+	}
 }

readers/ReaderLE.ts

@@ -71,4 +71,15 @@ export class ReaderLE extends ReaderBase implements IReader {
 
 		return text;
 	}
+	
+	public readString16() {
+		const length = this.readUShort();
+		let text:string = "";
+
+		for (let i = 0; i < length; i++) {
+			text += String.fromCharCode(this.readUShort());
+		}
+
+		return text;
+	}
 }

writers/WriterBE.ts

@@ -133,4 +133,14 @@ export class WriterBE extends WriterBase implements IWriter {
 
 		return this;
 	}
+
+	public writeString16(text:string) {
+		this.writeUShort(text.length);
+
+		for (let i = 0; i < text.length; i++) {
+			this.writeUShort(text.charCodeAt(i));
+		}
+
+		return this;
+	}
 }

writers/WriterLE.ts

@@ -132,4 +132,14 @@ export class WriterLE extends WriterBase implements IWriter {
 
 		return this;
 	}
+
+	public writeString16(text:string) {
+		this.writeUShort(text.length);
+
+		for (let i = 0; i < text.length; i++) {
+			this.writeUShort(text.charCodeAt(i));
+		}
+
+		return this;
+	}
 }