/**
* 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++;
}
}
/** 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 the number of declared namespaces */
private int getNumberOfNamespaces() {
if (numberOfNamespaces == -1) {
int[] buffer = new int[8];
int[] nsList = parent.getDeclaredNamespaces(buffer);
int count = nsList.length;
for (int i = 0; i < count; i++) {
if (nsList[i] == -1) {
count = i;
break;
}
}
numberOfNamespaces = count + 1; // +1 for the XML namespace
}
return numberOfNamespaces;
}
