yjs/build/node/ConnectorAdapter.js
2015-08-18 18:10:50 +02:00

72 lines
1.9 KiB
JavaScript

var ConnectorClass, adaptConnector;
ConnectorClass = require("./ConnectorClass");
adaptConnector = function(connector, engine, HB, execution_listener) {
var applyHB, encode_state_vector, f, getHB, getStateVector, name, parse_state_vector, send_;
for (name in ConnectorClass) {
f = ConnectorClass[name];
connector[name] = f;
}
encode_state_vector = function(v) {
var results, value;
results = [];
for (name in v) {
value = v[name];
results.push({
user: name,
state: value
});
}
return results;
};
parse_state_vector = function(v) {
var i, len, s, state_vector;
state_vector = {};
for (i = 0, len = v.length; i < len; i++) {
s = v[i];
state_vector[s.user] = s.state;
}
return state_vector;
};
getStateVector = function() {
return encode_state_vector(HB.getOperationCounter());
};
getHB = function(v) {
var hb, json, state_vector;
state_vector = parse_state_vector(v);
hb = HB._encode(state_vector);
json = {
hb: hb,
state_vector: encode_state_vector(HB.getOperationCounter())
};
return json;
};
applyHB = function(hb, fromHB) {
return engine.applyOp(hb, fromHB);
};
connector.getStateVector = getStateVector;
connector.getHB = getHB;
connector.applyHB = applyHB;
if (connector.receive_handlers == null) {
connector.receive_handlers = [];
}
connector.receive_handlers.push(function(sender, op) {
if (op.uid.creator !== HB.getUserId()) {
return engine.applyOp(op);
}
});
connector.setIsBoundToY();
send_ = function(o) {
if ((o.uid.creator === HB.getUserId()) && (typeof o.uid.op_number !== "string") && (HB.getUserId() !== "_temp")) {
return connector.broadcast(o);
}
};
if (connector.invokeSync != null) {
HB.setInvokeSyncHandler(connector.invokeSync);
}
return execution_listener.push(send_);
};
module.exports = adaptConnector;