Expression::Ptr StaticBaseURIStore::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
const StaticContext::Ptr newContext(new StaticBaseURIContext(context->baseURI().resolved(m_baseURI),
context));
return m_operand->typeCheck(newContext, reqType);
}
Expression::Ptr ElementConstructor::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
/* What does this code do? When type checking our children, our namespace
* bindings, which are also children of the form of NamespaceConstructor
* instances, must be statically in-scope for them, so find them and
* shuffle their bindings into the StaticContext. */
m_staticBaseURI = context->baseURI();
/* Namespace declarations changes the in-scope bindings, so let's
* first lookup our child NamespaceConstructors. */
const ID operandID = m_operand2->id();
NamespaceResolver::Bindings overrides;
if(operandID == IDExpressionSequence)
{
const Expression::List operands(m_operand2->operands());
const int len = operands.count();
for(int i = 0; i < len; ++i)
{
if(operands.at(i)->is(IDNamespaceConstructor))
{
const QXmlName &nb = operands.at(i)->as<NamespaceConstructor>()->namespaceBinding();
overrides.insert(nb.prefix(), nb.namespaceURI());
}
}
}
const NamespaceResolver::Ptr newResolver(new DelegatingNamespaceResolver(context->namespaceBindings(), overrides));
const StaticContext::Ptr augmented(new StaticNamespaceContext(newResolver, context));
return PairContainer::typeCheck(augmented, reqType);
}
Expression::Ptr ElementConstructor::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
m_staticBaseURI = context->baseURI();
/* Namespace declarations changes the in-scope bindings, so let's
* first lookup our child NamespaceConstructors. */
const ID operandID = m_operand2->id();
NamespaceResolver::Bindings overrides;
if(operandID == IDExpressionSequence)
{
const Expression::List operands(m_operand2->operands());
const int len = operands.count();
for(int i = 0; i < len; ++i)
{
if(operands.at(i)->is(IDNamespaceConstructor))
{
const QXmlName &nb = operands.at(i)->as<NamespaceConstructor>()->namespaceBinding();
overrides.insert(nb.prefix(), nb.namespaceURI());
}
}
}
const NamespaceResolver::Ptr newResolver(new DelegatingNamespaceResolver(context->namespaceBindings(), overrides));
const StaticContext::Ptr augmented(new StaticNamespaceContext(newResolver, context));
return PairContainer::typeCheck(augmented, reqType);
}
Expression::Ptr ResolveURIFN::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
Q_ASSERT(m_operands.count() == 1 || m_operands.count() == 2);
if(m_operands.count() == 1)
{
/* Our base URI is always well-defined. */
m_operands.append(wrapLiteral(toItem(AnyURI::fromValue(context->baseURI())), context, this));
}
return FunctionCall::typeCheck(context, reqType);
}
Expression::Ptr DocumentConstructor::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
m_staticBaseURI = context->baseURI();
return SingleContainer::typeCheck(context, reqType);
}
Expression::Ptr StaticBaseURIFN::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
/* Our base URI can never be undefined. */
return wrapLiteral(toItem(AnyURI::fromValue(context->baseURI())), context, this)->typeCheck(context, reqType);
}