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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: dp_version.cxx,v $
* $Revision: 1.5 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_desktop.hxx"
#include "sal/config.h"
#include "com/sun/star/deployment/XPackage.hpp"
#include "rtl/ustring.hxx"
#include "dp_version.hxx"
namespace {
namespace css = ::com::sun::star;
::rtl::OUString getElement(::rtl::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(
::rtl::OUString const & version1, ::rtl::OUString const & version2)
{
for (::sal_Int32 i1 = 0, i2 = 0; i1 >= 0 || i2 >= 0;) {
::rtl::OUString e1(getElement(version1, &i1));
::rtl::OUString e2(getElement(version2, &i2));
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;
}
::dp_misc::Order comparePackageVersions(
css::uno::Reference< css::deployment::XPackage > const & package1,
css::uno::Reference< css::deployment::XPackage > const & package2)
{
return compareVersions(package1->getVersion(), package2->getVersion());
}
}
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