Buffer Operations

bufferlib.js

/* 
* (c) 2012 Mauro Parra-Miranda [email protected]
* This functions will get save your buffer to hex, going from hex to buffer
* and will allow you to save a buffer to A JSON and recovering a JSON from the buffer. 
*/ 

bufferToHex = function(buf) {
	var res = new Array(buf.length);
	for(var idx = 0; idx < buf.length; idx++) {
		var b = Ti.Codec.decodeNumber({
			source : buf,
			position : idx,
			type : Ti.Codec.TYPE_BYTE,
			byteOrder : Ti.Codec.LITTLE_ENDIAN
		});
		res[idx] = b.toString(16);
	}
	return res.toString();
}

hexToBuffer = function(hex) {
	var res = hex.split(",");
	var buffer = Ti.createBuffer({length : res.length});
	for(var i = 0; i < res.length; i++) {
		buffer[i]=parseInt(res[i], 16);
	}
	return buffer;
}

bufferToJSON = function(buf){
	return JSON.stringify(bufferToHex(buf));
}

JSONToBuffer = function (jsontext){
	return hexToBuffer(JSON.parse(jsontext));	
}