sfx2/source/sidebar/Context.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 "Context.hxx"
  19
  20 #define AnyApplicationName "any"
  21 #define AnyContextName "any"
  22
  23 namespace sfx2 { namespace sidebar {
  24
  25 const sal_Int32 Context::NoMatch = 4;
  26 const sal_Int32 Context::ApplicationWildcardMatch = 1;
  27 const sal_Int32 Context::ContextWildcardMatch = 2;
  28 const sal_Int32 Context::OptimalMatch = 0;  // Neither application nor context name is "any".
  29
  30 #define A2S(pString) (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(pString)))
  31
  32 Context::Context (void)
  33     : msApplication(A2S(AnyApplicationName)),
  34       msContext(A2S(AnyContextName))
  35 {
  36 }
  37
  38
  39
  40
  41 Context::Context (
  42     const ::rtl::OUString& rsApplication,
  43     const ::rtl::OUString& rsContext)
  44     : msApplication(rsApplication),
  45       msContext(rsContext)
  46 {
  47 }
  48
  49
  50
  51
  52 sal_Int32 Context::EvaluateMatch (
  53     const Context& rOther) const
  54 {
  55     const bool bApplicationNameIsAny (rOther.msApplication.equalsAscii(AnyApplicationName));
  56     if (rOther.msApplication.equals(msApplication) || bApplicationNameIsAny)
  57     {
  58         // Application name matches.
  59         const bool bContextNameIsAny (rOther.msContext.equalsAscii(AnyContextName));
  60         if (rOther.msContext.equals(msContext) || bContextNameIsAny)
  61         {
  62             // Context name matches.
  63             return (bApplicationNameIsAny ? ApplicationWildcardMatch : 0)
  64                 + (bContextNameIsAny ? ContextWildcardMatch : 0);
  65         }
  66     }
  67     return NoMatch;
  68 }
  69
  70
  71
  72
  73 sal_Int32 Context::EvaluateMatch (const ::std::vector<Context>& rOthers) const
  74 {
  75     sal_Int32 nBestMatch (NoMatch);
  76
  77     for (::std::vector<Context>::const_iterator
  78              iContext(rOthers.begin()),
  79              iEnd(rOthers.end());
  80          iContext!=iEnd;
  81          ++iContext)
  82     {
  83         const sal_Int32 nMatch (EvaluateMatch(*iContext));
  84         if (nMatch < nBestMatch)
  85         {
  86             if (nMatch == OptimalMatch)
  87             {
  88                 // We will find no better match so stop searching.
  89                 return OptimalMatch;
  90             }
  91             nBestMatch = nMatch;
  92         }
  93     }
  94     return nBestMatch;
  95 }
  96
  97
  98
  99
 100 bool Context::operator== (const Context& rOther) const
 101 {
 102     return msApplication.equals(rOther.msApplication)
 103         && msContext.equals(rOther.msContext);
 104 }
 105
 106
 107
 108
 109 bool Context::operator!= (const Context& rOther) const
 110 {
 111     return ( ! msApplication.equals(rOther.msApplication))
 112         || ( ! msContext.equals(rOther.msContext));
 113 }
 114
 115
 116 } } // end of namespace sfx2::sidebar