Line data    Source code

       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             : 
      21             : #include <sal/config.h>
      22             : 
      23             : #include <com/sun/star/deployment/XPackage.hpp>
      24             : #include <rtl/ustring.hxx>
      25             : 
      26             : #include "dp_version.hxx"
      27             : 
      28             : namespace {
      29             : 
      30           8 : OUString getElement(OUString const & version, ::sal_Int32 * index)
      31             : {
      32          16 :     while (*index < version.getLength() && version[*index] == '0') {
      33           0 :         ++*index;
      34             :     }
      35           8 :     return version.getToken(0, '.', *index);
      36             : }
      37             : 
      38             : }
      39             : 
      40             : namespace dp_misc {
      41             : 
      42           4 : ::dp_misc::Order compareVersions(
      43             :     OUString const & version1, OUString const & version2)
      44             : {
      45           8 :     for (::sal_Int32 i1 = 0, i2 = 0; i1 >= 0 || i2 >= 0;) {
      46           4 :         OUString e1(i1 >= 0 ? getElement(version1, &i1) : OUString());
      47           4 :         OUString e2(i2 >= 0 ? getElement(version2, &i2) : OUString());
      48           4 :         if (e1.getLength() < e2.getLength()) {
      49           0 :             return ::dp_misc::LESS;
      50           4 :         } else if (e1.getLength() > e2.getLength()) {
      51           0 :             return ::dp_misc::GREATER;
      52           4 :         } else if (e1 < e2) {
      53           0 :             return ::dp_misc::LESS;
      54           4 :         } else if (e1 > e2) {
      55           4 :             return ::dp_misc::GREATER;
      56             :         }
      57           0 :     }
      58           0 :     return ::dp_misc::EQUAL;
      59             : }
      60             : 
      61             : 
      62             : }
      63             : 
      64             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */