C++ Element::node_end方法代码示例

static void showElement(Xml::Element elt, const String& indent="") {
    cout << indent << "ELEMENT WITH TAG '" << elt.getElementTag() << "':\n";

    // Show attributes
    Xml::attribute_iterator ap = elt.attribute_begin();
    for (; ap != elt.attribute_end(); ++ap)
        cout << indent << "  ATTR '" << ap->getName() << "'='" 
             << ap->getValue() << "'\n";

    // Show all contents
    Xml::node_iterator p = elt.node_begin();
    for (; p != elt.node_end(); ++p) {
        cout << indent << p->getNodeTypeAsString() << endl;
        if (p->getNodeType() == Xml::ElementNode)
            showElement(Xml::Element::getAs(*p), indent + "  ");
    }
    cout << indent << "END OF ELEMENT.\n";
}

void testXmlFromString() {
    Xml::Document fromString;
    fromString.readFromString(xmlJustAComment);
    cout << "Just a comment: '" << fromString << "'\n";

    fromString.readFromString(xmlPlainTextFile);
    cout << "Plain text file: '" << fromString << "'\n";

    // Note that the "condense white space" setting is global, not 
    // document-specific.
    Xml::Document preserveWhite;
    Xml::Document::setXmlCondenseWhiteSpace(false);
    SimTK_TEST(!Xml::Document::isXmlWhiteSpaceCondensed());
    preserveWhite.readFromString(xmlPlainTextFile);
    cout << "Plain text file with white space preserved (raw): " 
         << preserveWhite.getRootElement().getValue() << "\n";
    cout << "... (formatted with condense=false): " 
         << preserveWhite << "\n";    
    Xml::Document::setXmlCondenseWhiteSpace(true);
    cout << "... (formatted with condense=true): " 
         << preserveWhite << "\n";    

    SimTK_TEST_MUST_THROW(fromString.readFromString(xmlEmpty));
    SimTK_TEST_MUST_THROW(fromString.readFromString(xmlUnclosedComment));

    fromString.readFromString(String(xmlPainting));
    cout << "Painting: '" << fromString << "'\n";

    cout << "Doc type is: " << fromString.getRootTag() << endl;
    cout << "  version: " << fromString.getXmlVersion() << endl;
    cout << "  encoding: " << fromString.getXmlEncoding() << endl;
    cout << "  standalone: " 
         << String(fromString.getXmlIsStandalone() ? "yes" : "no") << endl;

    cout << "All nodes in doc:\n";
    Xml::node_iterator np = fromString.node_begin();
    for (; np != fromString.node_end(); ++np)
        cout << "  " << np->getNodeTypeAsString() << endl;


    Xml::Element root = fromString.getRootElement();

    cout << "hasNode()=" << root.hasNode() << endl;
    cout << "hasNode(Comment)=" << root.hasNode(Xml::CommentNode) << endl;
    cout << "hasNode(Unknown)=" << root.hasNode(Xml::UnknownNode) << endl;

    showElement(root);

    Xml::node_iterator p = root.node_begin(Xml::NoJunkNodes);
    for (; p != root.node_end(); ++p)
        cout << p->getNodeTypeAsString() << endl;

    cout << "Caption elements:\n";
    Xml::element_iterator ep(root.element_begin("caption"));
    for (; ep != root.element_end(); ++ep)
        cout << ep->getNodeTypeAsString() << ": <" << ep->getElementTag() 
             << ">" << endl;

    cout << "All elements:\n";
    Array_<Xml::Element> all = root.getAllElements();
    for (unsigned i=0; i < all.size(); ++i)
        cout << "<" << all[i].getElementTag() << ">" << endl;


    Array_<Xml::Node> allNodes(root.node_begin(Xml::NoJunkNodes), 
                               root.node_end());
    for (unsigned i=0; i < allNodes.size(); ++i)
        cout << "Node " << allNodes[i].getNodeTypeAsString() << endl;

    String prettyString, compactString;
    fromString.writeToString(prettyString);
    cout << "String pretty: " << prettyString.size() 
         << "\n'" << prettyString << "'\n";

    fromString.writeToString(compactString, true); // compact
    cout << "String compact: " << compactString.size() 
         << "\n'" << compactString << "'\n";

    SimTK_TEST(compactString.size() < prettyString.size());

    cout << "painting.allNode=" << root.getRequiredElement("painting")
                                        .getAllNodes() << endl;
    cout << "painting.img.allAttr=" << 
        root.getRequiredElement("painting").getRequiredElement("img")
        .getAllAttributes() << endl;
    //fromString.writeToFile("TestXml.xml");

    //Xml ex("TestXml.xml");
    //cout << "Document tag: " << ex.getDocumentTag() << endl;
    //for (Xml::nodu;e_iterator xp=ex.node_begin(); xp != ex.node_end(); ++xp)
    //    cout << "Node type: " << xp->getNodeTypeAsString() << endl;

    //PolygonalMesh mesh;
    //mesh.loadVtpFile("arm_r_humerus.vtp");
    //cout << "num vertices=" << mesh.getNumVertices() << " faces="
    //    << mesh.getNumFaces() << endl;
}