Beispiel #1
0
func buildIteratorFromValue(val otto.Value, ts graph.TripleStore) graph.Iterator {
	if val.IsNull() || val.IsUndefined() {
		return ts.GetNodesAllIterator()
	}
	if val.IsPrimitive() {
		thing, _ := val.Export()
		switch v := thing.(type) {
		case string:
			it := ts.MakeFixed()
			it.AddValue(ts.GetIdFor(v))
			return it
		default:
			glog.Errorln("Trying to build unknown primitive value.")
		}
	}
	switch val.Class() {
	case "Object":
		return buildIteratorTree(val.Object(), ts)
	case "Array":
		// Had better be an array of strings
		strings := makeListOfStringsFromArrayValue(val.Object())
		it := ts.MakeFixed()
		for _, x := range strings {
			it.AddValue(ts.GetIdFor(x))
		}
		return it
	case "Number":
		fallthrough
	case "Boolean":
		fallthrough
	case "Date":
		fallthrough
	case "String":
		it := ts.MakeFixed()
		str, _ := val.ToString()
		it.AddValue(ts.GetIdFor(str))
		return it
	default:
		glog.Errorln("Trying to handle unsupported Javascript value.")
		return graph.NewNullIterator()
	}
}
Beispiel #2
0
func buildIteratorFromValue(val otto.Value, qs graph.QuadStore) graph.Iterator {
	if val.IsNull() || val.IsUndefined() {
		return qs.NodesAllIterator()
	}
	if val.IsPrimitive() {
		thing, _ := val.Export()
		switch v := thing.(type) {
		case string:
			it := qs.FixedIterator()
			it.Add(qs.ValueOf(v))
			return it
		default:
			glog.Errorln("Trying to build unknown primitive value.")
		}
	}
	switch val.Class() {
	case "Object":
		return buildIteratorTree(val.Object(), qs)
	case "Array":
		// Had better be an array of strings
		strings := stringsFrom(val.Object())
		it := qs.FixedIterator()
		for _, x := range strings {
			it.Add(qs.ValueOf(x))
		}
		return it
	case "Number":
		fallthrough
	case "Boolean":
		fallthrough
	case "Date":
		fallthrough
	case "String":
		it := qs.FixedIterator()
		it.Add(qs.ValueOf(val.String()))
		return it
	default:
		glog.Errorln("Trying to handle unsupported Javascript value.")
		return iterator.NewNull()
	}
}
Beispiel #3
0
func buildPathFromValue(val otto.Value) (out []interface{}) {
	if val.IsNull() || val.IsUndefined() {
		return nil
	}
	if val.IsPrimitive() {
		thing, _ := val.Export()
		switch v := thing.(type) {
		case string:
			out = append(out, v)
			return
		default:
			clog.Errorf("Trying to build unknown primitive value.")
		}
	}
	switch val.Class() {
	case "Object":
		out = append(out, buildPathFromObject(val.Object()))
		return
	case "Array":
		// Had better be an array of strings
		for _, x := range stringsFrom(val.Object()) {
			out = append(out, x)
		}
		return
	case "Number":
		fallthrough
	case "Boolean":
		fallthrough
	case "Date":
		fallthrough
	case "String":
		out = append(out, val.String())
		return
	default:
		clog.Errorf("Trying to handle unsupported Javascript value.")
		return nil
	}
}