INTEGRATION: CWS sb62 (1.1.2); FILE ADDED

2006/09/27 11:53:52 sb 1.1.2.1: #i69163# Added rudimentary extension version handling.

desktop/source/deployment/misc/dp_version.cxx

+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: dp_version.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: kz $ $Date: 2006-10-04 16:54:37 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2006 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library 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 for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+// 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 "dp_version.hxx"
+
+namespace {
+
+namespace css = ::com::sun::star;
+
+::sal_Int64 getElement(::rtl::OUString const & version, ::sal_Int32 * index) {
+    ::rtl::OUString s(version.getToken(0, '.', *index));
+    return *index < 0 ? 0 : s.toInt64(); // TODO: token too large
+}
+
+}
+
+namespace dp_misc {
+
+::dp_misc::Order comparePackageVersions(
+    css::uno::Reference< css::deployment::XPackage > const & package1,
+    css::uno::Reference< css::deployment::XPackage > const & package2)
+{
+    ::rtl::OUString s1(package1->getVersion());
+    ::rtl::OUString s2(package2->getVersion());
+    for (::sal_Int32 i1 = 0, i2 = 0; i1 >= 0 || i2 >= 0;) {
+        ::sal_Int64 e1(getElement(s1, &i1));
+        ::sal_Int64 e2(getElement(s2, &i2));
+        if (e1 < e2) {
+            return ::dp_misc::LESS;
+        } else if (e1 > e2) {
+            return ::dp_misc::GREATER;
+        }
+    }
+    return ::dp_misc::EQUAL;
+}
+
+}