Item PrefixFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
if(!arg)
return Item();
const QString prefix(context->namePool()->stringForPrefix(arg->qName().prefix()));
if(prefix.isEmpty())
return Item();
else
return AtomicString::fromValue(context->namePool()->stringForPrefix(arg->qName().prefix()));
}
Item ErrorFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
QString msg;
switch(m_operands.count())
{
case 0: /* No args. */
{
context->error(QtXmlPatterns::tr("%1 was called.").arg(formatFunction(context->namePool(), signature())),
ReportContext::FOER0000, this);
return Item();
}
case 3:
/* Fallthrough, we don't use the 'error object' param. */
case 2:
msg = m_operands.at(1)->evaluateSingleton(context).stringValue();
/* Fall through. */
case 1:
{
const QNameValue::Ptr qName(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
if(qName)
context->error(msg, qName->qName(), this);
else
context->error(msg, ReportContext::FOER0000, this);
return Item();
}
default:
{
Q_ASSERT_X(false, Q_FUNC_INFO,
"Invalid number of arguments passed to fn:error.");
return Item();
}
}
}
Item NamespaceURIFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
return arg ? toItem(AnyURI::fromValue(context->namePool()->stringForNamespace(arg->qName().namespaceURI()))) : Item();
}
Item LocalNameFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
return arg ? toItem(AtomicString::fromValue(context->namePool()->stringForLocalName(arg->qName().localName()))) : Item();
}