C++ (Cpp) Item_t::isFunction Examples

Example #1

File: deep_equality.cpp Project: alyst/zorba

bool deepEqual(
    const QueryLoc& loc,
    static_context* sctx,
    store::Item_t& item1,
    store::Item_t& item2,
    XQPCollator* collator,
    int timezone,
    bool raiseError)
{
  if (item1->isFunction() || item2->isFunction())
  {
    if (raiseError)
    {
      RAISE_ERROR(err::FOTY0015, loc,
        ERROR_PARAMS((item1->isFunction() ? item1 : item2)->getFunctionName()->getStringValue()));
    }
    else
      return false;
  }

  if (item1->getKind() != item2->getKind())
    return false;

  switch (item1->getKind())
  {
  case store::Item::ATOMIC:
  {
    assert(item2->isAtomic());

    store::SchemaTypeCode type1 = item1->getTypeCode();
    store::SchemaTypeCode type2 = item2->getTypeCode();

    // check if both items are NaN
    if (((type1 == store::XS_FLOAT && item1->getFloatValue().isNaN()) ||
         (type1 == store::XS_DOUBLE && item1->getDoubleValue().isNaN()))
        &&
        ((type2 == store::XS_FLOAT && item2->getFloatValue().isNaN()) ||
         (type2 == store::XS_DOUBLE && item2->getDoubleValue().isNaN())))
    {
      return true;
    }

    if (raiseError)
    {
      try
      {
        TypeManager* tm = sctx->get_typemanager();
        return CompareIterator::valueEqual(loc, item1, item2, tm, timezone, collator, raiseError);
       }
       catch (ZorbaException const& e)
       {
        if (e.diagnostic() == err::XPTY0004)
          return false;
        throw;
       }
    }
    else
    {
      TypeManager* tm = sctx->get_typemanager();
      return CompareIterator::valueEqual(loc, item1, item2, tm, timezone, collator, raiseError);
    }

    break;
  }
  case store::Item::NODE:
  {
    return deepEqualNodes(loc, sctx, item1, item2, collator, timezone, raiseError);
  }
  case store::Item::OBJECT:
  {
    return deepEqualObjects(loc, sctx, item1, item2, collator, timezone, raiseError);
  }
  case store::Item::ARRAY:
  {
    return deepEqualArrays(loc, sctx, item1, item2, collator, timezone, raiseError);
  }
  default:
  {
    ZORBA_ASSERT(false);  // should never reach here
  }
  }

  return false;
}