glowing-bear/js/protocol.js

187 lines
4.3 KiB
JavaScript

var Protocol = function() {
var self = this;
var getInfo = function() {
var info = {};
info.key = getString();
info.value = getString();
return info;
};
var getHdata = function() {
var paths;
var count;
var objs = [];
var hpath = getString();
keys = getString().split(',');
paths = hpath.split('/');
count = getInt();
keys = keys.map(function(key) {
return key.split(':');
});
var i;
console.log("Keys: ", keys);
console.log("Paths: ", paths);
console.log("Count: ", count);
for (i = 0; i < count; i++) {
var tmp = {};
tmp.pointers = paths.map(function(path) {
return getPointer();
});
console.log("Pointers: ", tmp.pointers);
keys.forEach(function(key) {
tmp[key[0]] = runType(key[1]);
});
objs.push(tmp);
};
return objs;
};
function getPointer() {
var l = getChar();
console.log("Length: ", l);
var pointer = getSlice(l)
var parsed_data = new Uint8Array(pointer);
return _uiatos(parsed_data);
};
var _uiatos =function(uia) {
var _str = [];
for (var c = 0; c < uia.length; c++) {
_str[c] = String.fromCharCode(uia[c]);
}
return _str.join("");
};
var getInt = function() {
var parsed_data = new Uint8Array(getSlice(4));
var i = ((parsed_data[0] & 0xff) << 24) | ((parsed_data[1] & 0xff) << 16) | ((parsed_data[2] & 0xff) << 8) | (parsed_data[3] & 0xff);
return i;
};
var getChar = function() {
var parsed_data = new Uint8Array(getSlice(1));
return parsed_data[0];
};
var getString = function() {
var l = getInt();
if (l > 0) {
var s = getSlice(l);
var parsed_data = new Uint8Array(s);
return _uiatos(parsed_data);
}
return "";
};
var getSlice = function(length) {
var slice = self.data.slice(0,length);
self.data = self.data.slice(length);
return slice;
};
var getType = function() {
var t = getSlice(3);
return _uiatos(new Uint8Array(t));
};
var runType = function(type) {
if (type in types) {
return types[type]();
}
0;
};
var getHeader = function() {
return {
length: getInt(),
compression: getChar(),
}
};
var getId = function() {
return getString();
}
var getObject = function() {
var type = getType();
if (type) {
return object = {
type: type,
content: runType(type),
}
}
}
self.parse = function() {
console.log(new Uint8Array(self.data));
var header = getHeader();
var id = getId();
var objects = [];
var object = getObject();
while(object) {
objects.push(object);
object = getObject();
}
console.log("Received message");
console.log(header, id, objects);
return {
header: header,
id: id,
objects: objects,
}
}
self.setData = function (data) {
self.data = data;
};
function array() {
var type;
var count;
var values;
type = getType();
count = getInt();
values = [];
var i;
for (i = 0; i < count; i++) {
values.push(runType(type));
};
return values;
}
var types = {
chr: getChar,
"int": getInt,
str: getString,
inf: getInfo,
hda: getHdata,
ptr: getPointer,
lon: getPointer,
tim: getPointer,
buf: getString,
arr: array
};
//TODO: IMPLEMENT THIS STUFF
// chr: this.getChar,
// 'int': getInt,
// hacks
// hacks
// htb: getHashtable,
// inf: Protocol.getInfo,
// inl: getInfolist,
// },
}