C++ Item_t::isNode方法代码示例

void IndexDelta::addGeneralPair(store::Item_t& node, store::Item_t& key)
{
  assert(node->isNode() && key->isAtomic());

  theGeneralDelta.resize(theGeneralDelta.size() + 1);
  theGeneralDelta.back().first.transfer(node);
  theGeneralDelta.back().second.transfer(key);
}

bool EitherNodesOrAtomicsIterator::nextImpl(
    store::Item_t& result,
    PlanState& planState) const
{
  EitherNodesOrAtomicsIteratorState* state;
  DEFAULT_STACK_INIT(EitherNodesOrAtomicsIteratorState, state, planState);

  if (CONSUME(result, 0))
  {
    state->atomics = !result->isNode();

    STACK_PUSH(true, state);

    while (CONSUME(result, 0))
    {
      if (state->atomics == result->isNode())
        throw XQUERY_EXCEPTION(err::XPTY0018, ERROR_LOC(loc));

      STACK_PUSH(true, state);
    }
  }

  STACK_END(state);
}

void SchemaValidatorImpl::processElement(
    store::PUL* pul,
    TypeManager* typeManager,
    EventSchemaValidator& schemaValidator,
    store::Item_t element,
    const QueryLoc& loc)
{
  ZORBA_ASSERT(element->isNode());
  ZORBA_ASSERT(element->getNodeKind() == store::StoreConsts::elementNode);

  store::Item_t nodeName = element->getNodeName();
  zstring baseUri;
  element->getBaseURI(baseUri);

  //cout << " vup    - processElement: " << nodeName->getLocalName()->c_str()
  //    << " @ " << nodeName->getNamespace()->c_str() << "\n"; cout.flush();

  schemaValidator.startElem(nodeName);

  // namespace declarations must go first
  processNamespaces( schemaValidator, element);

  // since the type of an element is determined only after the validator
  // receives all of it's attributes, and an attribute node needs it's
  // parent when created we need to go through the attributes twice: once
  // for validation and once for creation
  validateAttributes(schemaValidator, element->getAttributes());

  store::Item_t typeQName = schemaValidator.getTypeQName();
  store::Item_t substitutedElemQName = schemaValidator.getSubstitutedElemQName();

  //cout << " vup      - elemType old: "
  //    << element->getType()->getLocalName()->c_str() << " @ "
  //    << element->getType()->getNamespace()->c_str() << "\n"; cout.flush();
  //cout << " vup      - elemType new: " << typeQName->getLocalName()->c_str()
  //    << " @ " << typeQName->getNamespace()->c_str() << "\n"; cout.flush();

  bool isInSubstitutionElement = false;
  if (substitutedElemQName)
  {
    isInSubstitutionElement = true;
    //    cout << " vup        - substitutes: " << substitutedElemQName->g
    //  etLocalName()->c_str() << " @ " << substitutedElemQName->getNamespace()->
    // c_str() << "\n"; cout.flush();
  }

  bool isNewType = false;
  xqtref_t newType;
  store::Item_t elm;

  if ( !typeQName->equals(element->getType()) )
  {
    isNewType = true;
    newType = typeManager->create_named_type(typeQName, SequenceType::QUANT_ONE, loc);

    elm = element;
  }

  store::NsBindings bindings;
  element->getNamespaceBindings(bindings);
  namespace_context nsCtx = namespace_context(theSctx, bindings);

  processAttributes(pul, nsCtx, typeManager, schemaValidator, element, 
                    element->getAttributes(), loc);

  std::vector<store::Item_t> typedValues;
  int noOfChildren = processChildren(pul,
                                     nsCtx,
                                     typeManager, 
                                     schemaValidator,
                                     element->getChildren(),
                                     typedValues,
                                     loc);

  if ( isNewType )
  {
    bool tHasValue      = Validator::typeHasValue(newType);
    bool tHasTypedValue = Validator::typeHasTypedValue(typeManager, newType, loc);
    bool tHasEmptyValue = Validator::typeHasEmptyValue(newType);

    if ( noOfChildren==0 )
    {
      // workaround for elem of type xsd:string with no text child
      if ( newType->is_builtin() && 
          newType->getQName()->equals(GENV_TYPESYSTEM.STRING_TYPE_ONE->getQName()) )
      {
        /*store::Item_t result;
         zstring emptyStr = "";
         GENV_ITEMFACTORY->createString( result, emptyStr);
         typedValues.push_back(result);*/
        tHasEmptyValue = true;
        tHasTypedValue = false;
        tHasValue = false;
      }
      else if ( newType->type_kind()==XQType::USER_DEFINED_KIND )
      {
        const UserDefinedXQType udXQType = static_cast<const UserDefinedXQType&>(*newType);
        if ( udXQType.isSubTypeOf(typeManager, *GENV_TYPESYSTEM.STRING_TYPE_ONE) )
        {
          tHasEmptyValue = true;
//.........这里部分代码省略.........