desktop/source/deployment/misc/dp_version.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_desktop.hxx"
  33
  34 #include "sal/config.h"
  35
  36 #include "com/sun/star/deployment/XPackage.hpp"
  37 #include "rtl/ustring.hxx"
  38
  39 #include "dp_version.hxx"
  40
  41 namespace {
  42
  43 namespace css = ::com::sun::star;
  44
  45 ::rtl::OUString getElement(::rtl::OUString const & version, ::sal_Int32 * index)
  46 {
  47     while (*index < version.getLength() && version[*index] == '0') {
  48         ++*index;
  49     }
  50     return version.getToken(0, '.', *index);
  51 }
  52
  53 }
  54
  55 namespace dp_misc {
  56
  57 ::dp_misc::Order compareVersions(
  58     ::rtl::OUString const & version1, ::rtl::OUString const & version2)
  59 {
  60     for (::sal_Int32 i1 = 0, i2 = 0; i1 >= 0 || i2 >= 0;) {
  61         ::rtl::OUString e1(getElement(version1, &i1));
  62         ::rtl::OUString e2(getElement(version2, &i2));
  63         if (e1.getLength() < e2.getLength()) {
  64             return ::dp_misc::LESS;
  65         } else if (e1.getLength() > e2.getLength()) {
  66             return ::dp_misc::GREATER;
  67         } else if (e1 < e2) {
  68             return ::dp_misc::LESS;
  69         } else if (e1 > e2) {
  70             return ::dp_misc::GREATER;
  71         }
  72     }
  73     return ::dp_misc::EQUAL;
  74 }
  75
  76 ::dp_misc::Order comparePackageVersions(
  77     css::uno::Reference< css::deployment::XPackage > const & package1,
  78     css::uno::Reference< css::deployment::XPackage > const & package2)
  79 {
  80     return compareVersions(package1->getVersion(), package2->getVersion());
  81 }
  82
  83 }