package?net.sf.andpdf.pdfviewer;

public?class?ByteBuffer?{

	private?byte[]?buf;
	private?int?ofs;
	private?int?pos;
	private?int?siz;
	private?int?mrk;
	
	public?ByteBuffer（byte[]?buf）?{
		this（buf00（buf==null?0:buf.length））;
	}

	public?ByteBuffer（byte[]?buf?int?ofs?int?pos?int?siz）?{
		this.buf?=?buf;
		this.ofs?=?ofs;
		this.pos?=?pos;
		this.siz?=?siz;
	}

	public?final?int?position（）?{
		return?pos-ofs;
	}

	public?final?void?position（int?position）?{
		//?TODO:?check?range?0..length-1
		pos?=?position+ofs;
	}

	public?final?byte?get（）?{
		//?TODO:?check?range?
		return?buf[pos++];
	}

	public?final?int?remaining（）?{
		return?siz-pos;
	}

	public?final?byte?get（int?position）?{
		return?buf[position+ofs];
	}

	public?final?static?ByteBu