Source/cmVariableWatch.cxx

   1 /*============================================================================
   2   CMake - Cross Platform Makefile Generator
   3   Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
   4
   5   Distributed under the OSI-approved BSD License (the "License");
   6   see accompanying file Copyright.txt for details.
   7
   8   This software is distributed WITHOUT ANY WARRANTY; without even the
   9   implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10   See the License for more information.
  11 ============================================================================*/
  12 #include "cmVariableWatch.h"
  13
  14 static const char* const cmVariableWatchAccessStrings[] =
  15 {
  16     "READ_ACCESS",
  17     "UNKNOWN_READ_ACCESS",
  18     "ALLOWED_UNKNOWN_READ_ACCESS",
  19     "MODIFIED_ACCESS",
  20     "REMOVED_ACCESS",
  21     "NO_ACCESS"
  22 };
  23
  24 const char* cmVariableWatch::GetAccessAsString(int access_type)
  25 {
  26   if ( access_type < 0 || access_type >= cmVariableWatch::NO_ACCESS )
  27     {
  28     return "NO_ACCESS";
  29     }
  30   return cmVariableWatchAccessStrings[access_type];
  31 }
  32
  33 cmVariableWatch::cmVariableWatch()
  34 {
  35 }
  36
  37 cmVariableWatch::~cmVariableWatch()
  38 {
  39 }
  40
  41 void cmVariableWatch::AddWatch(const std::string& variable,
  42                                WatchMethod method, void* client_data /*=0*/)
  43 {
  44   cmVariableWatch::Pair p;
  45   p.Method = method;
  46   p.ClientData = client_data;
  47   cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
  48   cmVariableWatch::VectorOfPairs::size_type cc;
  49   for ( cc = 0; cc < vp->size(); cc ++ )
  50     {
  51     cmVariableWatch::Pair* pair = &(*vp)[cc];
  52     if ( pair->Method == method )
  53       {
  54       (*vp)[cc] = p;
  55       return;
  56       }
  57     }
  58   vp->push_back(p);
  59 }
  60
  61 void cmVariableWatch::RemoveWatch(const std::string& variable,
  62                                   WatchMethod method)
  63 {
  64   cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
  65   cmVariableWatch::VectorOfPairs::iterator it;
  66   for ( it = vp->begin(); it != vp->end(); ++it )
  67     {
  68     if ( it->Method == method )
  69       {
  70       vp->erase(it);
  71       return;
  72       }
  73     }
  74 }
  75
  76 void  cmVariableWatch::VariableAccessed(const std::string& variable,
  77                                         int access_type,
  78                                         const char* newValue,
  79                                         const cmMakefile* mf) const
  80 {
  81   cmVariableWatch::StringToVectorOfPairs::const_iterator mit =
  82     this->WatchMap.find(variable);
  83   if ( mit  != this->WatchMap.end() )
  84     {
  85     const cmVariableWatch::VectorOfPairs* vp = &mit->second;
  86     cmVariableWatch::VectorOfPairs::const_iterator it;
  87     for ( it = vp->begin(); it != vp->end(); it ++ )
  88       {
  89       it->Method(variable, access_type, it->ClientData,
  90         newValue, mf);
  91       }
  92     }
  93 }