ENH: getting some of the property changed chewcked into CVS at least

1 files changed, 140 insertions, 0 deletions

diff --git a/Source/cmPropertyMap.cxx b/Source/cmPropertyMap.cxx
new file mode 100644
index 0000000..7e4c3fc
--- /dev/null
+++ b/Source/cmPropertyMap.cxx
@@ -0,0 +1,140 @@
+/*=========================================================================
+
+  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 "cmPropertyMap.h"
+#include "cmSystemTools.h"
+#include "cmake.h"
+
+cmProperty *cmPropertyMap::GetOrCreateProperty(const char *name)
+{
+  cmPropertyMap::iterator it = this->find(name);
+  cmProperty *prop;
+  if (it == this->end())
+    {
+    prop = &(*this)[name];
+    }
+  else
+    {
+    prop = &(it->second);
+    }
+  return prop;
+}
+
+void cmPropertyMap::SetProperty(const char *name, const char *value,
+                                cmProperty::ScopeType scope)
+{
+  if (!name)
+    {
+    return;
+    }
+
+#if 0
+  if (!this->CMakeInstance)
+    {
+    cmSystemTools::Error("CMakeInstance not set on a property map!"); 
+    abort();
+    }
+  else if (!this->CMakeInstance->IsPropertyDefined(name,scope))
+    {
+    // is a property being queried without being defined first? If so then
+    // report it as we probably need to document it
+    std::string msg = "Property ";
+    msg += name;
+    msg += " set yet undefined on ";
+    switch (scope)
+      {
+      case cmProperty::TARGET: 
+        msg += "target.";
+        break;
+      case cmProperty::SOURCE_FILE:
+        msg += "source file.";
+        break;
+      case cmProperty::DIRECTORY:
+        msg += "directory.";
+        break;
+      case cmProperty::TEST:
+        msg += "test.";
+        break;
+      default:
+        msg += "unknown.";
+        break;
+      }
+    cmSystemTools::Error(msg.c_str()); 
+    }
+#endif
+
+  cmProperty *prop = this->GetOrCreateProperty(name);
+  prop->Set(name,value);
+}
+
+const char *cmPropertyMap
+::GetPropertyValue(const char *name, 
+                   cmProperty::ScopeType scope, 
+                   bool &chain) const
+{
+  chain = false;
+  if (!name)
+    {
+    return 0;
+    }
+
+  // has the property been defined?
+#if 0
+  if (!this->CMakeInstance)
+    {
+    cmSystemTools::Error("CMakeInstance not set on a property map!"); 
+    abort();
+    }
+  else if (!this->CMakeInstance->IsPropertyDefined(name,scope))
+    {
+    // is a property being queried without being defined first? If so then
+    // report it as we probably need to document it
+    std::string msg = "Property ";
+    msg += name;
+    msg += " queried yet undefined on ";
+    switch (scope)
+      {
+      case cmProperty::TARGET: 
+        msg += "target.";
+        break;
+      case cmProperty::SOURCE_FILE:
+        msg += "source file.";
+        break;
+      case cmProperty::DIRECTORY:
+        msg += "directory.";
+        break;
+      case cmProperty::TEST:
+        msg += "test.";
+        break;
+      default:
+        msg += "unknown.";
+        break;
+      }
+    cmSystemTools::Error(msg.c_str()); 
+    }
+#endif
+
+  cmPropertyMap::const_iterator it = this->find(name);
+  if (it == this->end())
+    {
+    // should we chain up?
+    chain = this->CMakeInstance->IsPropertyChained(name,scope);
+    return 0;
+    }
+
+  return it->second.GetValue();
+}
+