Ejemplo n.º 1
0
void Step::evaluate(EvaluationContext& evaluationContext, Node* context, NodeSet& nodes) const
{
    evaluationContext.position = 0;

    nodesInAxis(evaluationContext, context, nodes);

    // Check predicates that couldn't be merged into node test.
    for (unsigned i = 0; i < m_predicates.size(); i++) {
        Predicate* predicate = m_predicates[i].get();

        OwnPtrWillBeRawPtr<NodeSet> newNodes(NodeSet::create());
        if (!nodes.isSorted())
            newNodes->markSorted(false);

        for (unsigned j = 0; j < nodes.size(); j++) {
            Node* node = nodes[j];

            evaluationContext.node = node;
            evaluationContext.size = nodes.size();
            evaluationContext.position = j + 1;
            if (predicate->evaluate(evaluationContext))
                newNodes->append(node);
        }

        nodes.swap(*newNodes);
    }
}
Ejemplo n.º 2
0
void Step::evaluate(Node* context, NodeSet& nodes) const
{
    EvaluationContext& evaluationContext = Expression::evaluationContext();
    evaluationContext.position = 0;

    nodesInAxis(context, nodes);

    // Check predicates that couldn't be merged into node test.
    for (unsigned i = 0; i < m_predicates.size(); i++) {
        Predicate* predicate = m_predicates[i].get();

        NodeSet newNodes;
        if (!nodes.isSorted())
            newNodes.markSorted(false);

        for (unsigned j = 0; j < nodes.size(); j++) {
            Node* node = nodes[j];

            evaluationContext.node = node;
            evaluationContext.size = nodes.size();
            evaluationContext.position = j + 1;
            if (predicate->evaluate())
                newNodes.append(node);
        }

        nodes.swap(newNodes);
    }
}
Ejemplo n.º 3
0
void Step::evaluate(Node* context, NodeSet& nodes) const
{
    nodesInAxis(context, nodes);
    
    EvaluationContext& evaluationContext = Expression::evaluationContext();
    
    for (unsigned i = 0; i < m_predicates.size(); i++) {
        Predicate* predicate = m_predicates[i];

        NodeSet newNodes;
        if (!nodes.isSorted())
            newNodes.markSorted(false);

        evaluationContext.size = nodes.size();
        evaluationContext.position = 1;
        for (unsigned j = 0; j < nodes.size(); j++) {
            Node* node = nodes[j];

            Expression::evaluationContext().node = node;
            EvaluationContext backupCtx = evaluationContext;
            if (predicate->evaluate())
                newNodes.append(node);

            evaluationContext = backupCtx;
            ++evaluationContext.position;
        }

        nodes.swap(newNodes);
    }
}