+bool DocumentValidator::updateEffectParameters(QDomNodeList parameters, const QScriptValue* updateRules, const double serviceVersion, const double effectVersion)
+{
+ bool updated = false;
+ bool isDowngrade = serviceVersion < effectVersion;
+ for (int i = 0; i < parameters.count(); ++i) {
+ QDomElement parameter = parameters.at(i).toElement();
+ QScriptValue rules = updateRules->property(parameter.attribute("name"));
+ if (rules.isValid() && rules.isArray()) {
+ int rulesCount = rules.property("length").toInt32();
+ if (isDowngrade) {
+ // start with the highest version and downgrade step by step
+ for (int j = rulesCount - 1; j >= 0; --j) {
+ double version = rules.property(j).property(0).toNumber();
+ if (version <= effectVersion && version > serviceVersion) {
+ parameter.firstChild().setNodeValue(rules.property(j).property(1).call(QScriptValue(), QScriptValueList() << parameter.text() << isDowngrade).toString());
+ updated = true;
+ }
+ }
+ } else {
+ for (int j = 0; j < rulesCount; ++j) {
+ double version = rules.property(j).property(0).toNumber();
+ if (version > effectVersion && version <= serviceVersion) {
+ parameter.firstChild().setNodeValue(rules.property(j).property(1).call(QScriptValue(), QScriptValueList() << parameter.text() << isDowngrade).toString());
+ updated = true;
+ }
+ }
+ }
+ }
+ }
+ return updated;
+}