FIX: apply patch from bug# 1965

Source/cmSourceGroup.cxx

@@ -81,3 +81,88 @@ std::vector<const cmSourceFile*>& cmSourceGroup::GetSourceFiles()
 {
   return m_SourceFiles;
 }
+
+//----------------------------------------------------------------------------
+void cmSourceGroup::AddChild(cmSourceGroup child)
+{
+  m_GroupChildren.push_back(child);
+}
+
+//----------------------------------------------------------------------------
+cmSourceGroup *cmSourceGroup::lookupChild(const char* name)
+{
+  // initializing iterators
+  std::vector<cmSourceGroup>::iterator iter = m_GroupChildren.begin();
+  std::vector<cmSourceGroup>::iterator end = m_GroupChildren.end();
+
+  // st
+  for(;iter!=end; ++iter)
+    {
+    std::string sgName = iter->GetName(); 
+
+    // look if descenened is the one were looking for
+    if(sgName == name)
+      {
+      return &(*iter); // if it so return it 
+      }
+    // if the descendend isn't the one where looking for ask it's traverse
+    cmSourceGroup *result = iter->lookupChild(name);
+                
+    // if one of it's descendeds is the one we're looking for return it 
+    if(result)
+      {
+      return result;
+      }
+    }
+
+  // if no child with this name was found return NULL
+  return NULL;
+}
+
+cmSourceGroup *cmSourceGroup::MatchChildrenFiles(const char *name)
+{
+  // initializing iterators
+  std::vector<cmSourceGroup>::iterator iter = m_GroupChildren.begin();
+  std::vector<cmSourceGroup>::iterator end = m_GroupChildren.end();
+
+  if(this->MatchesFiles(name))
+    {
+    return this;
+    }
+  for(;iter!=end;++iter)
+    {
+    cmSourceGroup *result = iter->MatchChildrenFiles(name);
+    if(result)
+      {
+      return result;
+      }
+    }
+  return 0;
+}
+
+
+cmSourceGroup *cmSourceGroup::MatchChildrenRegex(const char *name)
+{
+  // initializing iterators
+  std::vector<cmSourceGroup>::iterator iter = m_GroupChildren.begin();
+  std::vector<cmSourceGroup>::iterator end = m_GroupChildren.end();
+
+  if(this->MatchesRegex(name))
+    {
+    return this;
+    }
+  for(;iter!=end; ++iter)
+    {
+    cmSourceGroup *result = iter->MatchChildrenRegex(name);
+    if(result)
+      {
+      return result;
+      }
+    }
+  return 0;
+}
+
+std::vector<cmSourceGroup> cmSourceGroup::GetGroupChildren() const
+{
+  return m_GroupChildren;
+}