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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <rtl/ustring.hxx>
#include <dp_version.hxx>
namespace {
OUString getElement(OUString const & version, ::sal_Int32 * index)
{
while (*index < version.getLength() && version[*index] == '0') {
++*index;
}
return version.getToken(0, '.', *index);
}
}
namespace dp_misc {
::dp_misc::Order compareVersions(
OUString const & version1, OUString const & version2)
{
for (::sal_Int32 i1 = 0, i2 = 0; i1 >= 0 || i2 >= 0;) {
OUString e1(i1 >= 0 ? getElement(version1, &i1) : OUString());
OUString e2(i2 >= 0 ? getElement(version2, &i2) : OUString());
if (e1.getLength() < e2.getLength()) {
return ::dp_misc::LESS;
} else if (e1.getLength() > e2.getLength()) {
return ::dp_misc::GREATER;
} else if (e1 < e2) {
return ::dp_misc::LESS;
} else if (e1 > e2) {
return ::dp_misc::GREATER;
}
}
return ::dp_misc::EQUAL;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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