sfx2/source/sidebar/ContextMatcher.cxx

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18 #include "precompiled_sfx2.hxx"
  19
  20 #include "ContextMatcher.hxx"
  21 #include "Context.hxx"
  22
  23 using ::rtl::OUString;
  24
  25 namespace sfx2 { namespace sidebar {
  26
  27 namespace {
  28     static const sal_Char* gsAny = "any";
  29 }
  30
  31
  32
  33 ContextMatcher::ContextMatcher (void)
  34     : maEntries()
  35 {
  36 }
  37
  38
  39
  40
  41 ContextMatcher::~ContextMatcher (void)
  42 {
  43 }
  44
  45
  46
  47
  48 sal_Int32 ContextMatcher::EvaluateMatch (
  49     const Context& rContext) const
  50 {
  51     sal_Int32 nBestMatch (Context::NoMatch);
  52
  53     for (::std::vector<Entry>::const_iterator
  54              iEntry(maEntries.begin()),
  55              iEnd(maEntries.end());
  56          iEntry!=iEnd;
  57          ++iEntry)
  58     {
  59         const sal_Int32 nMatch (EvaluateMatch(rContext, *iEntry));
  60         if (nMatch < nBestMatch)
  61             nBestMatch = nMatch;
  62             if (nBestMatch == Context::OptimalMatch)
  63             break;
  64     }
  65
  66     return nBestMatch;
  67 }
  68
  69
  70
  71
  72 sal_Int32 ContextMatcher::EvaluateMatch (
  73     const Context& rContext,
  74     const Entry& rEntry) const
  75 {
  76     sal_Int32 nApplicationMatch (Context::NoMatch);
  77     if (rContext.msApplication.equals(rEntry.msApplicationName))
  78         nApplicationMatch = 0;
  79     else if (rEntry.msApplicationName.equalsAscii(gsAny))
  80         nApplicationMatch = Context::ApplicationWildcardMatch;
  81     else
  82         return Context::NoMatch;
  83
  84     sal_Int32 nBestContextMatch (Context::NoMatch);
  85     for (::std::vector<OUString>::const_iterator
  86              iContext(rEntry.maContextNames.begin()),
  87              iEnd(rEntry.maContextNames.end());
  88          iContext!=iEnd;
  89          ++iContext)
  90     {
  91         sal_Int32 nContextMatch (Context::NoMatch);
  92         if (rContext.msContext.equals(*iContext))
  93             nContextMatch = 0;
  94         else if (iContext->equalsAscii(gsAny))
  95             nContextMatch = Context::ContextWildcardMatch;
  96         else
  97             continue;
  98         if (nContextMatch < nBestContextMatch)
  99             nBestContextMatch = nContextMatch;
 100     }
 101
 102     if (rEntry.mbIsContextListNegated)
 103         nBestContextMatch = Context::NoMatch - nBestContextMatch;
 104
 105     return nApplicationMatch + nBestContextMatch;
 106 }
 107
 108
 109
 110
 111 void ContextMatcher::AddMatcher (
 112     const ::rtl::OUString& rsApplicationName,
 113     const ::std::vector<rtl::OUString>& rContextNames,
 114     const bool bIsContextListNegated)
 115 {
 116     maEntries.push_back(Entry());
 117     maEntries.back().msApplicationName = rsApplicationName;
 118     maEntries.back().maContextNames = rContextNames;
 119     maEntries.back().mbIsContextListNegated = bIsContextListNegated;
 120 }
 121
 122
 123
 124
 125 void ContextMatcher::AddMatcher (
 126     const ::rtl::OUString& rsApplicationName,
 127     const ::rtl::OUString& rsContextName)
 128 {
 129     maEntries.push_back(Entry());
 130     maEntries.back().msApplicationName = rsApplicationName;
 131     maEntries.back().maContextNames.push_back(rsContextName);
 132     maEntries.back().mbIsContextListNegated = false;
 133 }
 134
 135
 136 } } // end of namespace sfx2::sidebar