Source/cmVariableWatch.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmVariableWatch.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2007-04-11 19:13:05 $
   7   Version:   $Revision: 1.5 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #include "cmVariableWatch.h"
  18
  19 static const char* const cmVariableWatchAccessStrings[] =
  20 {
  21     "READ_ACCESS",
  22     "UNKNOWN_READ_ACCESS",
  23     "ALLOWED_UNKNOWN_READ_ACCESS",
  24     "MODIFIED_ACCESS",
  25     "REMOVED_ACCESS",
  26     "NO_ACCESS"
  27 };
  28
  29 const char* cmVariableWatch::GetAccessAsString(int access_type)
  30 {
  31   if ( access_type < 0 || access_type >= cmVariableWatch::NO_ACCESS )
  32     {
  33     return "NO_ACCESS";
  34     }
  35   return cmVariableWatchAccessStrings[access_type];
  36 }
  37
  38 cmVariableWatch::cmVariableWatch()
  39 {
  40 }
  41
  42 cmVariableWatch::~cmVariableWatch()
  43 {
  44 }
  45
  46 void cmVariableWatch::AddWatch(const std::string& variable,
  47                                WatchMethod method, void* client_data /*=0*/)
  48 {
  49   cmVariableWatch::Pair p;
  50   p.Method = method;
  51   p.ClientData = client_data;
  52   cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
  53   cmVariableWatch::VectorOfPairs::size_type cc;
  54   for ( cc = 0; cc < vp->size(); cc ++ )
  55     {
  56     cmVariableWatch::Pair* pair = &(*vp)[cc];
  57     if ( pair->Method == method )
  58       {
  59       (*vp)[cc] = p;
  60       return;
  61       }
  62     }
  63   vp->push_back(p);
  64 }
  65
  66 void cmVariableWatch::RemoveWatch(const std::string& variable,
  67                                   WatchMethod method)
  68 {
  69   cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
  70   cmVariableWatch::VectorOfPairs::iterator it;
  71   for ( it = vp->begin(); it != vp->end(); ++it )
  72     {
  73     if ( it->Method == method )
  74       {
  75       vp->erase(it);
  76       return;
  77       }
  78     }
  79 }
  80
  81 void  cmVariableWatch::VariableAccessed(const std::string& variable,
  82                                         int access_type,
  83                                         const char* newValue,
  84                                         const cmMakefile* mf) const
  85 {
  86   cmVariableWatch::StringToVectorOfPairs::const_iterator mit =
  87     this->WatchMap.find(variable);
  88   if ( mit  != this->WatchMap.end() )
  89     {
  90     const cmVariableWatch::VectorOfPairs* vp = &mit->second;
  91     cmVariableWatch::VectorOfPairs::const_iterator it;
  92     for ( it = vp->begin(); it != vp->end(); it ++ )
  93       {
  94       it->Method(variable, access_type, it->ClientData,
  95         newValue, mf);
  96       }
  97     }
  98 }