QUrl AccelTree::baseUri(const QXmlNodeModelIndex &ni) const
{
switch(kind(toPreNumber(ni)))
{
case QXmlNodeModelIndex::Document:
return baseUri();
case QXmlNodeModelIndex::Element:
{
const QXmlNodeModelIndex::Iterator::Ptr it(iterate(ni, QXmlNodeModelIndex::AxisAttribute));
QXmlNodeModelIndex next(it->next());
while(!next.isNull())
{
if(next.name() == QXmlName(StandardNamespaces::xml, StandardLocalNames::base))
{
const QUrl candidate(next.stringValue());
// TODO. The xml:base spec says to do URI escaping here.
if(!candidate.isValid())
return QUrl();
else if(candidate.isRelative())
{
const QXmlNodeModelIndex par(parent(ni));
if(par.isNull())
return baseUri().resolved(candidate);
else
return par.baseUri().resolved(candidate);
}
else
return candidate;
}
next = it->next();
}
/* We have no xml:base-attribute. Can any parent supply us a base URI? */
const QXmlNodeModelIndex par(parent(ni));
if(par.isNull())
return baseUri();
else
return par.baseUri();
}
case QXmlNodeModelIndex::ProcessingInstruction:
/* Fallthrough. */
case QXmlNodeModelIndex::Comment:
/* Fallthrough. */
case QXmlNodeModelIndex::Attribute:
/* Fallthrough. */
case QXmlNodeModelIndex::Text:
{
const QXmlNodeModelIndex par(ni.iterate(QXmlNodeModelIndex::AxisParent)->next());
if(par.isNull())
return QUrl();
else
return par.baseUri();
}
case QXmlNodeModelIndex::Namespace:
return QUrl();
}
Q_ASSERT_X(false, Q_FUNC_INFO, "This line is never supposed to be reached.");
return QUrl();
}
