Function retrieve

test/lib/testHelper.js:2838–2868

(elList, plainNodes)

        // Only retrieve the value of the given attrName.
        function retrieve(elList, plainNodes) {
            var anySatisfied = false;
            for (var i = 0; i < elList.length; i++) {
                var el = elList[i];

                var thisElSatisfied = !opt.filter || opt.filter(el);

                var plainNode = {};

                copyElment(plainNode, el);

                var textContent = el.getTextContent();
                if (textContent) {
                    plainNode.textContent = {};
                    copyElment(plainNode.textContent, textContent);
                }

                var thisSubAnySatisfied = false;
                if (el.isGroup) {
                    plainNode.children = [];
                    thisSubAnySatisfied = retrieve(el.childrenRef(), plainNode.children);
                }

                if (thisElSatisfied || thisSubAnySatisfied) {
                    plainNodes.push(plainNode);
                    anySatisfied = true;
                }
            }

            return anySatisfied;
        }

        function copyElment(plainNode, el) {
            for (var i = 0; i < attrNameList.length; i++) {