1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_desktop.hxx" 26 27 #include "sal/config.h" 28 29 #include "com/sun/star/deployment/XPackage.hpp" 30 #include "rtl/ustring.hxx" 31 32 #include "dp_version.hxx" 33 34 namespace { 35 36 namespace css = ::com::sun::star; 37 38 ::rtl::OUString getElement(::rtl::OUString const & version, ::sal_Int32 * index) 39 { 40 while (*index < version.getLength() && version[*index] == '0') { 41 ++*index; 42 } 43 return version.getToken(0, '.', *index); 44 } 45 46 } 47 48 namespace dp_misc { 49 50 ::dp_misc::Order compareVersions( 51 ::rtl::OUString const & version1, ::rtl::OUString const & version2) 52 { 53 for (::sal_Int32 i1 = 0, i2 = 0; i1 >= 0 || i2 >= 0;) { 54 ::rtl::OUString e1(getElement(version1, &i1)); 55 ::rtl::OUString e2(getElement(version2, &i2)); 56 if (e1.getLength() < e2.getLength()) { 57 return ::dp_misc::LESS; 58 } else if (e1.getLength() > e2.getLength()) { 59 return ::dp_misc::GREATER; 60 } else if (e1 < e2) { 61 return ::dp_misc::LESS; 62 } else if (e1 > e2) { 63 return ::dp_misc::GREATER; 64 } 65 } 66 return ::dp_misc::EQUAL; 67 } 68 69 70 } 71