Add option of watching variables

1 files changed, 59 insertions, 0 deletions

diff --git a/Source/cmVariableWatch.cxx b/Source/cmVariableWatch.cxx
new file mode 100644
index 0000000..74548fb
--- /dev/null
+++ b/Source/cmVariableWatch.cxx
@@ -0,0 +1,59 @@
+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even 
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#include "cmVariableWatch.h"
+
+cmVariableWatch::cmVariableWatch()
+{
+}
+
+cmVariableWatch::~cmVariableWatch()
+{
+}
+
+void cmVariableWatch::AddWatch(const std::string& variable, 
+                               WatchMethod method, void* client_data /*=0*/)
+{
+  cmVariableWatch::Pair p;
+  p.m_Method = method;
+  p.m_ClientData = client_data;
+  cmVariableWatch::VectorOfPairs* vp = &m_WatchMap[variable];
+  cmVariableWatch::VectorOfPairs::size_type cc;
+  for ( cc = 0; cc < vp->size(); cc ++ )
+    {
+    cmVariableWatch::Pair* pair = &(*vp)[cc];
+    if ( pair->m_Method == method )
+      {
+      (*vp)[cc] = p;
+      return;
+      }
+    }
+  vp->push_back(p);
+}
+
+void  cmVariableWatch::VariableAccessed(const std::string& variable, int access_type) const
+{
+  cmVariableWatch::StringToVectorOfPairs::const_iterator mit = m_WatchMap.find(variable);
+  if ( mit  != m_WatchMap.end() )
+    {
+    const cmVariableWatch::VectorOfPairs* vp = &mit->second;
+    cmVariableWatch::VectorOfPairs::const_iterator it;
+    for ( it = vp->begin(); it != vp->end(); it ++ )
+      {
+      it->m_Method(variable, access_type, it->m_ClientData);
+      }
+    }
+}