Method NewObject

pkg/util/json/json.go:511–535

NewObject creates a new JSON object with the specified new key-values. The keys of newData must be exactly the same as the newKeys supplied to the constructor.

(newData map[string]JSON)

// keys of newData must be exactly the same as the newKeys supplied to the
// constructor.
func (po *PartialObject) NewObject(newData map[string]JSON) (JSON, error) {
	if len(newData) != len(po.allowedNewKeys) {
		return nil, errors.AssertionFailedf(
			"expected all %d keys to be updated, %d updated",
			len(po.allowedNewKeys), len(newData))
	}

	pairs := make([]jsonKeyValuePair, len(po.basePairs)+len(newData))

	for _, p := range po.basePairs {
		pairs[po.keyOrd[string(p.k)]] = p
	}

	for k, v := range newData {
		if _, ok := po.allowedNewKeys[k]; !ok {
			return nil, errors.AssertionFailedf("unknown new key %s", k)
		}
		if _, ok := po.keyOrd[k]; !ok {
			return nil, errors.AssertionFailedf("unknown key %s", k)
		}
		pairs[po.keyOrd[k]] = jsonKeyValuePair{k: jsonString(k), v: v}
	}

	return jsonObject(pairs), nil
}

// pairSorter sorts and uniqueifies JSON pairs. In order to keep
// the last one for pairs with the same key while sort.Sort is