xref: /AOO41X/main/desktop/source/deployment/misc/dp_version.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
29*cdf0e10cSrcweir #include "precompiled_desktop.hxx"
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include "sal/config.h"
32*cdf0e10cSrcweir 
33*cdf0e10cSrcweir #include "com/sun/star/deployment/XPackage.hpp"
34*cdf0e10cSrcweir #include "rtl/ustring.hxx"
35*cdf0e10cSrcweir 
36*cdf0e10cSrcweir #include "dp_version.hxx"
37*cdf0e10cSrcweir 
38*cdf0e10cSrcweir namespace {
39*cdf0e10cSrcweir 
40*cdf0e10cSrcweir namespace css = ::com::sun::star;
41*cdf0e10cSrcweir 
42*cdf0e10cSrcweir ::rtl::OUString getElement(::rtl::OUString const & version, ::sal_Int32 * index)
43*cdf0e10cSrcweir {
44*cdf0e10cSrcweir     while (*index < version.getLength() && version[*index] == '0') {
45*cdf0e10cSrcweir         ++*index;
46*cdf0e10cSrcweir     }
47*cdf0e10cSrcweir     return version.getToken(0, '.', *index);
48*cdf0e10cSrcweir }
49*cdf0e10cSrcweir 
50*cdf0e10cSrcweir }
51*cdf0e10cSrcweir 
52*cdf0e10cSrcweir namespace dp_misc {
53*cdf0e10cSrcweir 
54*cdf0e10cSrcweir ::dp_misc::Order compareVersions(
55*cdf0e10cSrcweir     ::rtl::OUString const & version1, ::rtl::OUString const & version2)
56*cdf0e10cSrcweir {
57*cdf0e10cSrcweir     for (::sal_Int32 i1 = 0, i2 = 0; i1 >= 0 || i2 >= 0;) {
58*cdf0e10cSrcweir         ::rtl::OUString e1(getElement(version1, &i1));
59*cdf0e10cSrcweir         ::rtl::OUString e2(getElement(version2, &i2));
60*cdf0e10cSrcweir         if (e1.getLength() < e2.getLength()) {
61*cdf0e10cSrcweir             return ::dp_misc::LESS;
62*cdf0e10cSrcweir         } else if (e1.getLength() > e2.getLength()) {
63*cdf0e10cSrcweir             return ::dp_misc::GREATER;
64*cdf0e10cSrcweir         } else if (e1 < e2) {
65*cdf0e10cSrcweir             return ::dp_misc::LESS;
66*cdf0e10cSrcweir         } else if (e1 > e2) {
67*cdf0e10cSrcweir             return ::dp_misc::GREATER;
68*cdf0e10cSrcweir         }
69*cdf0e10cSrcweir     }
70*cdf0e10cSrcweir     return ::dp_misc::EQUAL;
71*cdf0e10cSrcweir }
72*cdf0e10cSrcweir 
73*cdf0e10cSrcweir 
74*cdf0e10cSrcweir }
75