/**
* 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++;
}
}
/**
* Constructor for use in free-standing Java applications. Must be used with care, since functions
* dependent on a Controller will not be available.
*/
public XPathContextMajor(Item item, Configuration config) {
controller = new Controller(config);
controller.setExecutable(new Executable());
AxisIterator iter = SingletonIterator.makeIterator(item);
iter.next();
currentIterator = iter;
origin = controller;
}
/** 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 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);
}
}
}
}
public void validate() throws TransformerConfigurationException {
checkWithinTemplate();
// 2.0 spec has reverted to the 1.0 rule that xsl:text may not have child elements
AxisIterator kids = iterateAxis(Axis.CHILD);
while (true) {
Item child = kids.next();
if (child == null) {
value = StringValue.EMPTY_STRING;
break;
} else if (child instanceof StyleElement) {
compileError("xsl:text must not contain child elements", "XT0010");
return;
} else {
value = new StringValue(child.getStringValueCS());
break;
}
}
super.validate();
}
/** 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 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;
}
@Override
protected NodeInfo findNext() {
return (NodeInfo) iterator.next();
}
