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 testXmlFromScratch() {
Xml::Document scratch;
scratch.setRootTag("MyDoc");
cout << scratch;
Xml::Comment c("This is a comment.");
Xml::Unknown u("!GODONLY knows what this is!!");
Xml::Text t("This is some\ntext on two lines with trailing blanks ");
Xml::Element e("elementTag");
// We're never going to use this one so its heap space will
// leak if we don't explicitly call clearOrphan().
Xml::Element neverMind("neverMind");
cout << "initially e='" << e.getValue() << "'" << endl;
e.updValue() += "AVALUE:";
cout << "then e='" << e.getValue() << "'" << endl;
e.setAttributeValue("attr1", String(Vec2(9,-9)));
cout << "attr1 is " << e.getRequiredAttributeValueAs<Vec2>("attr1") << endl;
cout << "isOrphan? " << String(c.isOrphan()) << ":" << c;
cout << "isOrphan? " << String(u.isOrphan()) << ":" << u;
cout << "isOrphan? " << String(t.isOrphan()) << ":" << t;
cout << "isOrphan? " << String(e.isOrphan()) << ":" << e;
e.setValue("this is the only value");
e.updValue() += " (but then I added this)";
cout << "e value=" << e.getValue() << endl;
cout << "e = " << e << endl;
e.setValue("9 10 -3.2e-4");
cout << "e value=" << e.getValueAs< Array_<float> >() << endl;
cout << "e = " << e << endl;
scratch.insertTopLevelNodeAfter(scratch.node_begin(), c);
cout << "isOrphan? " << String(c.isOrphan()) << ":" << c;
cout << scratch;
scratch.insertTopLevelNodeBefore(scratch.node_begin(Xml::ElementNode), u);
cout << "isOrphan? " << String(u.isOrphan()) << ":" << u;
cout << scratch;
scratch.insertTopLevelNodeBefore(scratch.node_begin(),
Xml::Comment("This should be at the top of the file, except declaration."));
cout << scratch;
Xml::Document scratch2;
scratch2 = scratch; // deep copy
scratch.eraseTopLevelNode(scratch.node_begin());
cout << "First node gone (scratch)?\n" << scratch;
cout << "First node still there (scratch2)?\n" << scratch2;
Xml::Element e2("anotherElt", Vec3(.1,.2,.3));
cout << e2;
e.insertNodeAfter(e.element_end(), e2);
cout << "now owns anotherElt:\n" << e;
Xml::Element root = scratch.getRootElement();
root.insertNodeAfter(root.node_begin(), e);
cout << scratch;
scratch.setIndentString("..");
cout << scratch;
Xml::Element ecopy = e.clone();
ecopy.setElementTag("elementTagCopy");
cout << "COPY of e: " << ecopy;
//scratch.writeToFile("scratch.xml");
e.eraseNode(e.element_begin("anotherElt"));
cout << "in-place removal of anotherElt from e: " << scratch;
cout << "COPY of e: " << ecopy;
root.insertNodeAfter(root.element_begin("elementTag"), ecopy);
cout << "After copy insert, scratch=" << scratch;
Xml::Node extract = root.removeNode(root.element_begin("elementTagCopy"));
cout << "Extracted copy: " << extract << endl;
cout << "Now scratch=" << scratch << endl;
cout << "Duplicate scratch=" << Xml::Document(scratch) << endl;
neverMind.clearOrphan();
}
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;
}