yjs/dest/lib/Engine.js
2014-08-09 00:31:30 +02:00

108 lines
2.6 KiB
JavaScript

var Engine;
Engine = (function() {
function Engine(HB, parser) {
this.HB = HB;
this.parser = parser;
this.unprocessed_ops = [];
}
Engine.prototype.parseOperation = function(json) {
var typeParser;
typeParser = this.parser[json.type];
if (typeParser != null) {
return typeParser(json);
} else {
throw new Error("You forgot to specify a parser for type " + json.type + ". The message is " + (JSON.stringify(json)) + ".");
}
};
Engine.prototype.applyOpsBundle = function(ops_json) {
var o, ops, _i, _j, _k, _len, _len1, _len2;
ops = [];
for (_i = 0, _len = ops_json.length; _i < _len; _i++) {
o = ops_json[_i];
ops.push(this.parseOperation(o));
}
for (_j = 0, _len1 = ops.length; _j < _len1; _j++) {
o = ops[_j];
this.HB.addOperation(o);
}
for (_k = 0, _len2 = ops.length; _k < _len2; _k++) {
o = ops[_k];
if (!o.execute()) {
this.unprocessed_ops.push(o);
}
}
return this.tryUnprocessed();
};
Engine.prototype.applyOpsCheckDouble = function(ops_json) {
var o, _i, _len, _results;
_results = [];
for (_i = 0, _len = ops_json.length; _i < _len; _i++) {
o = ops_json[_i];
if (this.HB.getOperation(o.uid) != null) {
_results.push(this.applyOp(o));
} else {
_results.push(void 0);
}
}
return _results;
};
Engine.prototype.applyOps = function(ops_json) {
var o, _i, _len, _results;
_results = [];
for (_i = 0, _len = ops_json.length; _i < _len; _i++) {
o = ops_json[_i];
_results.push(this.applyOp(o));
}
return _results;
};
Engine.prototype.applyOp = function(op_json) {
var o;
o = this.parseOperation(op_json);
this.HB.addToCounter(o);
if (!o.execute()) {
this.unprocessed_ops.push(o);
} else {
this.HB.addOperation(o);
}
return this.tryUnprocessed();
};
Engine.prototype.tryUnprocessed = function() {
var old_length, op, unprocessed, _i, _len, _ref, _results;
_results = [];
while (true) {
old_length = this.unprocessed_ops.length;
unprocessed = [];
_ref = this.unprocessed_ops;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
op = _ref[_i];
if (!op.execute()) {
unprocessed.push(op);
} else {
this.HB.addOperation(op);
}
}
this.unprocessed_ops = unprocessed;
if (this.unprocessed_ops.length === old_length) {
break;
} else {
_results.push(void 0);
}
}
return _results;
};
return Engine;
})();
module.exports = Engine;
//# sourceMappingURL=Engine.js.map