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package com.jclark.xsl.tr;
import com.jclark.xsl.om.*;
import com.jclark.xsl.expr.Pattern;
import com.jclark.xsl.conv.NumberListFormat;
class MultiLevelNumberAction implements Action {
private Pattern count;
private Pattern from;
private NumberListFormatTemplate formatTemplate;
MultiLevelNumberAction(Pattern count, Pattern from, NumberListFormatTemplate formatTemplate) {
this.count = count;
this.from = from;
this.formatTemplate = formatTemplate;
}
public void invoke(ProcessContext context, Node node, Result result) throws XSLException {
NumberListFormat format = formatTemplate.instantiate(context, node);
int n;
if (count == null) {
if (node.getType() == Node.ELEMENT)
n = numberUp(node.getName(), format, context, node, result);
else
n = 0;
}
else
n = numberUp(format, context, node, result);
if (n == 0)
result.characters(format.getPrefix(0));
result.characters(format.getSuffix());
}
private
int numberUp(NumberListFormat format, ProcessContext context, Node node, Result result) throws XSLException {
do {
Node parent = node.getParent();
if (count.matches(node, context)) {
int n = 0;
for (NodeIterator iter = parent.getChildren();;) {
Node tem = iter.next();
if (count.matches(tem, context)) {
++n;
if (tem.equals(node))
break;
}
}
int i = numberUp(format, context, parent, result);
result.characters(format.getPrefix(i));
result.characters(format.formatNumber(i, n));
return i + 1;
}
if (from != null && from.matches(node, context))
break;
node = parent;
} while (node != null);
return 0;
}
private
int numberUp(Name name, NumberListFormat format, ProcessContext context, Node node, Result result) throws XSLException {
int i = 0;
for (Node tem = node.getParent(); tem != null; tem = tem.getParent()) {
if (name.equals(tem.getName())) {
i = numberUp(name, format, context, tem, result);
break;
}
}
int n = 0;
for (NodeIterator iter = node.getParent().getChildren();;) {
Node tem = iter.next();
if (name.equals(tem.getName()) && tem.getType() == Node.ELEMENT) {
n++;
if (tem.equals(node))
break;
}
}
result.characters(format.getPrefix(i));
result.characters(format.formatNumber(i, n));
return i + 1;
}
}
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