Method findMatchedElements

native/events/Preference.cpp:419–432

According to the given xpath selector, match and return the satisfied elements inside UI page \param outElements A vector storing matched elements \param xpathSelector xpath selector describing the value of property that a matched element should have \param elementXML Node from the XML tree of UI page

/// \param xpathSelector xpath selector describing the value of property that a matched element should have
/// \param elementXML Node from the XML tree of UI page
    void Preference::findMatchedElements(std::vector<ElementPtr> &outElements,
                                         const XpathPtr &xpathSelector,
                                         const ElementPtr &elementXML) {
        if (!elementXML) {
            BLOGE("%s", "xml node is null");
            return;
        }
        if (elementXML->matchXpathSelector(xpathSelector))
            outElements.push_back(elementXML);

        for (const auto &child: elementXML->getChildren()) {
            findMatchedElements(outElements, xpathSelector, child);
        }
    }

    void Preference::deMixResMapping(const ElementPtr &rootXML) {
        if (!rootXML || this->_resMixedMapping.empty())