public void validate() throws XPathException {
stackFrameMap = getConfiguration().makeSlotManager();
checkTopLevel(null);
// the check for duplicates is now done in the buildIndexes() method of XSLStylesheet
if (match != null) {
match = typeCheck("match", match);
if (match.getNodeTest() instanceof EmptySequenceTest) {
try {
getConfiguration()
.getErrorListener()
.warning(new TransformerException("Match pattern cannot match any nodes", this));
} catch (TransformerException e) {
compileError(XPathException.makeXPathException(e));
}
}
}
// See if there are any required parameters.
AxisIterator kids = iterateAxis(Axis.CHILD);
while (true) {
NodeInfo param = (NodeInfo) kids.next();
if (param == null) {
break;
}
if (param instanceof XSLParam && ((XSLParam) param).isRequiredParam()) {
hasRequiredParams = true;
break;
}
}
}
/**
* Get n'th attribute (DOM NamedNodeMap method). In this implementation we number the attributes
* as follows: 0 - the xmlns:xml namespace declaration 1-n further namespace declarations n+1...
* "real" attribute declarations
*/
public Node item(int index) {
if (index < 0) {
return null;
}
if (index == 0) {
NamespaceIterator.NamespaceNodeImpl nn =
new NamespaceIterator.NamespaceNodeImpl(parent, NamespaceConstant.XML_NAMESPACE_CODE, 0);
return NodeOverNodeInfo.wrap(nn);
}
int nscount = getNumberOfNamespaces();
if (index < nscount) {
int[] buffer = new int[8];
int[] nsList = parent.getDeclaredNamespaces(buffer);
int nscode = nsList[index - 1];
NamespaceIterator.NamespaceNodeImpl nn =
new NamespaceIterator.NamespaceNodeImpl(parent, nscode, index);
return NodeOverNodeInfo.wrap(nn);
}
int pos = 0;
int attNr = (index - nscount);
AxisIterator atts = parent.iterateAxis(Axis.ATTRIBUTE);
while (true) {
NodeInfo att = (NodeInfo) atts.next();
if (att == null) {
return null;
}
if (pos == attNr) {
return NodeOverNodeInfo.wrap(att);
}
pos++;
}
}
private static int findNodeIndex(NodeInfo node) {
if (node.getParent() == null) return 0;
final AxisIterator it = node.iterateAxis(Axis.PRECEDING_SIBLING);
int result = 0;
Item i = it.next();
while (i != null) {
result++;
i = it.next();
}
return result;
}
/** Get number of attributes and namespaces (DOM NamedNodeMap method). */
public int getLength() {
int length = 0;
AxisIterator atts = parent.iterateAxis(Axis.ATTRIBUTE);
while (atts.next() != null) {
length++;
}
return getNumberOfNamespaces() + length;
}
/**
* Set all the declared namespaces to be the namespaces that are in-scope for a given node. In
* addition, the standard namespaces (xml, xslt, saxon) are declared.
*
* @param node The node whose in-scope namespaces are to be used as the context namespaces. Note
* that this will have no effect unless this node is an element.
*/
public void setNamespaces(NodeInfo node) {
namespaces.clear();
AxisIterator iter = node.iterateAxis(Axis.NAMESPACE);
while (true) {
NodeInfo ns = (NodeInfo) iter.next();
if (ns == null) {
return;
}
declareNamespace(ns.getLocalPart(), ns.getStringValue());
}
}
/**
* Get the next item in the sequence. <br>
*
* @return the next Item. If there are no more nodes, return null.
*/
public Item next() {
if (position == 0) {
position = 1;
return start;
}
Item n = base.next();
if (n == null) {
position = -1;
} else {
position++;
}
return n;
}
/** Get named attribute (DOM NamedNodeMap method) */
public Node getNamedItem(String name) {
if (name.equals("xmlns")) {
int[] nsarray = parent.getDeclaredNamespaces(null);
for (int i = 0; i < nsarray.length; i++) {
if (nsarray[i] == -1) {
return null;
} else if (((nsarray[i] >> 16) & 0xffff) == 0) {
NamespaceIterator.NamespaceNodeImpl nn =
new NamespaceIterator.NamespaceNodeImpl(parent, nsarray[i], i + 1);
return NodeOverNodeInfo.wrap(nn);
}
}
return null;
} else if (name.startsWith("xmlns:")) {
String prefix = name.substring(6);
if (prefix.equals("xml")) {
NamespaceIterator.NamespaceNodeImpl nn =
new NamespaceIterator.NamespaceNodeImpl(parent, NamespaceConstant.XML_CODE, 0);
return NodeOverNodeInfo.wrap(nn);
}
int[] buffer = new int[8];
int[] nsarray = parent.getDeclaredNamespaces(buffer);
for (int i = 0; i < nsarray.length; i++) {
if (nsarray[i] == -1) {
return null;
} else if (prefix.equals(parent.getNamePool().getPrefixFromNamespaceCode(nsarray[i]))) {
NamespaceIterator.NamespaceNodeImpl nn =
new NamespaceIterator.NamespaceNodeImpl(parent, nsarray[i], i + 1);
return NodeOverNodeInfo.wrap(nn);
}
}
return null;
} else {
AxisIterator atts = parent.iterateAxis(Axis.ATTRIBUTE);
while (true) {
NodeInfo att = (NodeInfo) atts.next();
if (att == null) {
return null;
}
if (name.equals(att.getDisplayName())) {
return NodeOverNodeInfo.wrap(att);
}
}
}
}
/**
* Get simple node number. This is defined as one plus the number of previous siblings of the same
* node type and name. It is not accessible directly in XSL. This version doesn't require the
* controller, and therefore doesn't remember previous results. It is used only by getPath().
*
* @param node the node whose number is required
* @return the node number, as defined above
*/
private static int getNumberSimple(NodeInfo node) {
int fingerprint = node.getFingerprint();
NodeTest same;
if (fingerprint == -1) {
same = NodeKindTest.makeNodeKindTest(node.getNodeKind());
} else {
same = new NameTest(node);
}
AxisIterator preceding = node.iterateAxis(Axis.PRECEDING_SIBLING, same);
int i = 1;
while (preceding.next() != null) {
i++;
}
return i;
}
/** Get named attribute (DOM NamedNodeMap method) */
public Node getNamedItemNS(String uri, String localName) {
if (uri == null) {
uri = "";
}
if (NamespaceConstant.XMLNS.equals(uri)) {
return getNamedItem("xmlns:" + localName);
}
if (uri.equals("") && localName.equals("xmlns")) {
return getNamedItem("xmlns");
}
AxisIterator atts = parent.iterateAxis(Axis.ATTRIBUTE);
while (true) {
NodeInfo att = (NodeInfo) atts.next();
if (att == null) {
return null;
}
if (uri.equals(att.getURI()) && localName.equals(att.getLocalPart())) {
return NodeOverNodeInfo.wrap(att);
}
}
}
public int getLastPosition() {
// To find out how many nodes there are in the axis, we
// make a copy of the original node enumeration, and run through
// the whole thing again, counting how many nodes match the filter.
if (last >= 0) {
return last;
}
last = 0;
AxisIterator b = (AxisIterator) base.getAnother();
while (true) {
NodeInfo n = (NodeInfo) b.next();
if (n == null) {
return last;
}
if (nodeTest.matches(n.getNodeKind(), n.getFingerprint(), n.getTypeAnnotation())) {
last++;
}
}
}
public Expression compile(Executable exec) throws XPathException {
NamespaceResolver nsContext = null;
int annotation = getTypeAnnotation(schemaType);
// deal specially with the case where the attribute name is known statically
if (attributeName instanceof StringLiteral) {
String qName = Whitespace.trim(((StringLiteral) attributeName).getStringValue());
String[] parts;
try {
parts = getConfiguration().getNameChecker().getQNameParts(qName);
} catch (QNameException e) {
// This can't happen, because of previous checks
return null;
}
if (namespace == null) {
String nsuri = "";
if (!parts[0].equals("")) {
nsuri = getURIForPrefix(parts[0], false);
if (nsuri == null) {
undeclaredNamespaceError(parts[0], "XTSE0280");
return null;
}
}
int nameCode = getNamePool().allocate(parts[0], nsuri, parts[1]);
FixedAttribute inst =
new FixedAttribute(nameCode, validationAction, schemaType, annotation);
inst.setContainer(this); // temporarily
compileContent(exec, inst, separator);
return inst;
} else if (namespace instanceof StringLiteral) {
String nsuri = ((StringLiteral) namespace).getStringValue();
if (nsuri.equals("")) {
parts[0] = "";
} else if (parts[0].equals("")) {
// Need to choose an arbitrary prefix
// First see if the requested namespace is declared in the stylesheet
AxisIterator iter = iterateAxis(Axis.NAMESPACE);
while (true) {
NodeInfo ns = (NodeInfo) iter.next();
if (ns == null) {
break;
}
if (ns.getStringValue().equals(nsuri)) {
parts[0] = ns.getLocalPart();
break;
}
}
// Otherwise see the URI is known to the namepool
if (parts[0].equals("")) {
String p =
getNamePool().suggestPrefixForURI(((StringLiteral) namespace).getStringValue());
if (p != null) {
parts[0] = p;
}
}
// Otherwise choose something arbitrary. This will get changed
// if it clashes with another attribute
if (parts[0].equals("")) {
parts[0] = "ns0";
}
}
int nameCode = getNamePool().allocate(parts[0], nsuri, parts[1]);
FixedAttribute inst =
new FixedAttribute(nameCode, validationAction, schemaType, annotation);
compileContent(exec, inst, separator);
return inst;
}
} else {
// if the namespace URI must be deduced at run-time from the attribute name
// prefix, we need to save the namespace context of the instruction
if (namespace == null) {
nsContext = makeNamespaceContext();
}
}
ComputedAttribute inst =
new ComputedAttribute(
attributeName, namespace, nsContext, validationAction, schemaType, annotation, false);
compileContent(exec, inst, separator);
return inst;
}
/**
* Generic (model-independent) implementation of deep copy algorithm for nodes. This is available
* for use by any node implementations that choose to use it.
*
* @param node The node to be copied
* @param out The receiver to which events will be sent
* @param namePool Namepool holding the name codes (used only to resolve namespace codes)
* @param whichNamespaces Indicates which namespace nodes for an element should be copied
* @param copyAnnotations Indicates whether type annotations should be copied
* @throws TransformerException on any failure reported by the Receiver
*/
public static void copy(
NodeInfo node, Receiver out, NamePool namePool, int whichNamespaces, boolean copyAnnotations)
throws TransformerException {
switch (node.getNodeKind()) {
case Type.DOCUMENT:
AxisIterator children0 = node.iterateAxis(Axis.CHILD, new AnyNodeTest());
while (true) {
NodeInfo child = (NodeInfo) children0.next();
if (child == null) {
return;
}
child.copy(out, whichNamespaces, copyAnnotations);
}
case Type.ELEMENT:
out.startElement(node.getNameCode(), 0, 0);
// output the namespaces
if (whichNamespaces != NodeInfo.NO_NAMESPACES) {
node.outputNamespaceNodes(out, true);
}
// output the attributes
AxisIterator attributes = node.iterateAxis(Axis.ATTRIBUTE, new AnyNodeTest());
while (true) {
NodeInfo att = (NodeInfo) attributes.next();
if (att == null) {
break;
}
att.copy(out, whichNamespaces, copyAnnotations);
}
// output the children
AxisIterator children = node.iterateAxis(Axis.CHILD, new AnyNodeTest());
while (true) {
NodeInfo child = (NodeInfo) children.next();
if (child == null) {
break;
}
child.copy(out, whichNamespaces, copyAnnotations);
}
// finally the end tag
out.endElement();
return;
case Type.ATTRIBUTE:
out.attribute(node.getNameCode(), 0, node.getStringValue(), 0);
return;
case Type.TEXT:
out.characters(node.getStringValue(), 0);
return;
case Type.COMMENT:
out.comment(node.getStringValue(), 0);
return;
case Type.PROCESSING_INSTRUCTION:
out.processingInstruction(node.getLocalPart(), node.getStringValue(), 0);
return;
case Type.NAMESPACE:
out.namespace(
namePool.allocateNamespaceCode(node.getLocalPart(), node.getStringValue()), 0);
return;
default:
}
}