dbaccess/source/filter/hsqldb/hsqlbinarynode.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "hsqlbinarynode.hxx"
  21 #include "rowinputbinary.hxx"
  22
  23 namespace dbahsql
  24 {
  25 HsqlBinaryNode::HsqlBinaryNode(sal_Int32 nPos)
  26     : m_nPos(nPos)
  27 {
  28 }
  29
  30 void HsqlBinaryNode::readChildren(HsqlRowInputStream const& input)
  31 {
  32     SvStream* pStream = input.getInputStream();
  33     if (!pStream)
  34         return;
  35
  36     pStream->Seek(m_nPos + 8); // skip size and balance
  37     pStream->ReadInt32(m_nLeft);
  38     if (m_nLeft <= 0)
  39         m_nLeft = -1;
  40     pStream->ReadInt32(m_nRight);
  41     if (m_nRight <= 0)
  42         m_nRight = -1;
  43 }
  44
  45 std::vector<css::uno::Any> HsqlBinaryNode::readRow(HsqlRowInputStream& input,
  46                                                    const std::vector<ColumnDefinition>& aColTypes,
  47                                                    sal_Int32 nIndexCount)
  48 {
  49     // skip first 4 bytes (size), and index nodes, 16 bytes each
  50     input.seek(m_nPos + 4 + nIndexCount * 16);
  51     return input.readOneRow(aColTypes);
  52 }
  53
  54 sal_Int32 HsqlBinaryNode::getLeft() const { return m_nLeft; }
  55 sal_Int32 HsqlBinaryNode::getRight() const { return m_nRight; }
  56 };
  57
  58 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */