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#include "qcommonsequencetypes_p.h"
#include "qxpathhelper_p.h"

#include "qcollationchecker_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

CollationChecker::CollationChecker(const Expression::Ptr &source) : SingleContainer(source)
{
}

Item CollationChecker::evaluateSingleton(const DynamicContext::Ptr &context) const
{
    const Item val(m_operand->evaluateSingleton(context));
    XPathHelper::checkCollationSupport<ReportContext::FOCH0002>(val.stringValue(), context, this);
    return val;
}

SequenceType::List CollationChecker::expectedOperandTypes() const
{
    SequenceType::List list;
    list.append(CommonSequenceTypes::ExactlyOneString);
    return list;
}

SequenceType::Ptr CollationChecker::staticType() const
{
    return m_operand->staticType();
}

ExpressionVisitorResult::Ptr CollationChecker::accept(const ExpressionVisitor::Ptr &visitor) const
{
    return visitor->visit(this);
}

QT_END_NAMESPACE