var StringUtils = require('./stringutils');

/**
 * @constructor
 */
function BinaryFile(strData, iDataOffset, iDataLength) {
	var data = strData;
	var dataOffset = iDataOffset || 0;
	var dataLength = 0;

	this.getRawData = function() {
		return data;
	};

	if (typeof strData == "string") {
		dataLength = iDataLength || data.length;

		this.getByteAt = function(iOffset) {
			return data.charCodeAt(iOffset + dataOffset) & 0xFF;
		};
	} else if (typeof strData == "unknown") {
		dataLength = iDataLength || IEBinary_getLength(data);

		this.getByteAt = function(iOffset) {
			return IEBinary_getByteAt(data, iOffset + dataOffset);
		};
	}
    // @aadsm
    this.getBytesAt = function(iOffset, iLength) {
        var bytes = new Array(iLength);
        for( var i = 0; i < iLength; i++ ) {
            bytes[i] = this.getByteAt(iOffset+i);
        }
        return bytes;
    };

	this.getLength = function() {
		return dataLength;
	};

    // @aadsm
    this.isBitSetAt = function(iOffset, iBit) {
        var iByte = this.getByteAt(iOffset);
        return (iByte & (1  127)
			return iByte - 256;
		else
			return iByte;
	};

	this.getShortAt = function(iOffset, bBigEndian) {
		var iShort = bBigEndian ?
			(this.getByteAt(iOffset)