bool
txXSLTNumber::getPrevInDocumentOrder(txXPathTreeWalker& aWalker)
{
if (aWalker.moveToPreviousSibling()) {
while (aWalker.moveToLastChild()) {
// do nothing
}
return true;
}
return aWalker.moveToParent();
}
int32_t
txXSLTNumber::getSiblingCount(txXPathTreeWalker& aWalker,
txPattern* aCountPattern,
txIMatchContext* aContext)
{
int32_t value = 1;
while (aWalker.moveToPreviousSibling()) {
if (aCountPattern->matches(aWalker.getCurrentPosition(), aContext)) {
++value;
}
}
return value;
}
nsresult LocationStep::appendIfMatching(const txXPathTreeWalker& aWalker,
txIMatchContext* aContext,
txNodeSet* aNodes) {
bool matched;
const txXPathNode& child = aWalker.getCurrentPosition();
nsresult rv = mNodeTest->matches(child, aContext, matched);
NS_ENSURE_SUCCESS(rv, rv);
if (matched) {
aNodes->append(child);
}
return NS_OK;
}