namespace XMLDemo {static string fileNames[] = { "./resources/dream.xml",        "./resources/utf8test.xml", "./resources/empty.xml",        "./resources/utf8testverify.xml", };static void timeTest() {    XMLDocument* doc = new XMLDocument();    clock_t startTime = clock();    doc->LoadFile(fileNames[0].c_str());    clock_t loadTime = clock();    int errorID = doc->ErrorID();    delete doc;    doc = 0;    clock_t deleteTime = clock();    printf("Test file ‘%s‘ loaded. ErrorID=%d\n", fileNames[0].c_str(),            errorID);    if (!errorID) {        printf("Load time=%lf sec\n",                (double) (loadTime - startTime) / CLOCKS_PER_SEC);        printf("Delete time=%lf sec\n",                (double) (deleteTime - loadTime) / CLOCKS_PER_SEC);        printf("Total time=%lf sec\n",                (double) (deleteTime - startTime) / CLOCKS_PER_SEC);    }}static void parseTest() {    static const char* xml = "<?xml version=\"1.0\"?>"            "<!DOCTYPE PLAY SYSTEM \"play.dtd\">"            "<PLAY>"            "<TITLE>A Midsummer Night‘s Dream</TITLE>"            "</PLAY>";    XMLDocument doc;    doc.Parse(xml);    XMLElement* titleElement = doc.FirstChildElement("PLAY")->FirstChildElement(            "TITLE");    const char* title = titleElement->GetText();    printf("Name of play (1): %s\n", title);    XMLText* textNode = titleElement->FirstChild()->ToText();    title = textNode->Value();    printf("Name of play (2): %s\n", title);}static void valueTest() {    static const char* xml = "<information>"            "    <attributeApproach v=‘2‘ />"            "    <textApproach>"            "        <v>2</v>"            "    </textApproach>"            "</information>";    XMLDocument doc;    doc.Parse(xml);    int v0 = 0;    int v1 = 0;    XMLElement* attributeApproachElement =            doc.FirstChildElement()->FirstChildElement("attributeApproach");    attributeApproachElement->QueryIntAttribute("v", &v0);    XMLElement* textApproachElement =            doc.FirstChildElement()->FirstChildElement("textApproach");    textApproachElement->FirstChildElement("v")->QueryIntText(&v1);    printf("Both values are the same: %d and %d\n", v0, v1);}static void DOMTest() {    // Test: Programmatic DOM    // Build:    //        <element>    //            <!--comment-->    //            <sub attrib="1" />    //            <sub attrib="2" />    //            <sub attrib="3" >& Text!</sub>    //        <element>    XMLDocument* doc = new XMLDocument();    XMLNode* element = doc->InsertEndChild(doc->NewElement("element"));    XMLElement* sub[3] = { doc->NewElement("sub"), doc->NewElement("sub"),            doc->NewElement("sub") };    for (int i = 0; i < 3; ++i) {        sub[i]->SetAttribute("attrib", i);    }    element->InsertEndChild(sub[2]);    XMLNode* comment = element->InsertFirstChild(doc->NewComment("comment"));    comment->SetUserData((void*) 2);    element->InsertAfterChild(comment, sub[0]);    element->InsertAfterChild(sub[0], sub[1]);    sub[2]->InsertFirstChild(doc->NewText("& Text!"));    doc->Print();    printf("-------------------------------------------------------------\n");    // And now deletion:    element->DeleteChild(sub[2]);    doc->DeleteNode(comment);    element->FirstChildElement()->SetAttribute("attrib", true);    element->LastChildElement()->DeleteAttribute("attrib");    doc->Print();    printf("-------------------------------------------------------------\n");    int value1 = 10;    int value2 = doc->FirstChildElement()->LastChildElement()->IntAttribute(            "attrib", 10);    int result =            doc->FirstChildElement()->LastChildElement()->QueryIntAttribute(                    "attrib", &value1);    doc->Print();    printf("-------------------------------------------------------------\n");    {        XMLPrinter streamer;        doc->Print(&streamer);        printf("%s", streamer.CStr());    }    {        XMLPrinter streamer(0, true);        doc->Print(&streamer);    }    doc->SaveFile("./resources/pretty.xml");    doc->SaveFile("./resources/compact.xml", true);    delete doc;}static void attrTest() {    const char* str = "<doc/>";    XMLDocument doc;    doc.Parse(str);    XMLElement* ele = doc.FirstChildElement();    int iVal, iVal2;    double dVal, dVal2;    ele->SetAttribute("str", "strValue");    ele->SetAttribute("int", 1);    ele->SetAttribute("double", -1.0);    const char* cStr = ele->Attribute("str");    ele->QueryIntAttribute("int", &iVal);    cout << iVal << endl;    ele->QueryDoubleAttribute("double", &dVal);    ele->QueryAttribute("int", &iVal2);    ele->QueryAttribute("double", &dVal2);    cout << dVal2 << endl;}static void textTest() {    const char* str = "<foo>This is  text</foo>";    XMLDocument doc;    doc.Parse(str);    XMLElement* element = doc.RootElement();    cout << element->GetText() << endl;    element->SetText("abcd");    cout << element->GetText() << endl;    doc.Print();    printf("-------------------------------------------------------------\n");}static void printerTest() {    FILE* printerfp = fopen("resources/printer.xml", "w");    XMLPrinter printer(printerfp);    printer.OpenElement("foo");    printer.PushAttribute("attrib-text", "text");    printer.PushAttribute("attrib-int", int(1));    printer.PushAttribute("attrib-unsigned", unsigned(2));    printer.PushAttribute("attrib-int64", int64_t(3));    printer.PushAttribute("attrib-bool", true);    printer.PushAttribute("attrib-double", 4.0);    printer.CloseElement();    fclose(printerfp);    XMLDocument doc;    doc.LoadFile("resources/printer.xml");    const XMLDocument& cdoc = doc;    const XMLAttribute* attrib = cdoc.FirstChildElement("foo")->FindAttribute(            "attrib-text");    attrib = cdoc.FirstChildElement("foo")->FindAttribute("attrib-int");    cout << attrib->Value() << endl;    attrib = cdoc.FirstChildElement("foo")->FindAttribute("attrib-unsigned");    cout << attrib->IntValue() << endl;    attrib = cdoc.FirstChildElement("foo")->FindAttribute("attrib-bool");    cout << attrib->BoolValue() << endl;    attrib = cdoc.FirstChildElement("foo")->FindAttribute("attrib-double");    cout << attrib->DoubleValue() << endl;}}