make subtree monitoring part of XML::Node's interface

(bzr r3186)

1 files changed, 14 insertions, 0 deletions

diff --git a/src/xml/simple-node.cpp b/src/xml/simple-node.cpp
index c8b0828c4..554752941 100644
--- a/src/xml/simple-node.cpp
+++ b/src/xml/simple-node.cpp
@@ -165,6 +165,8 @@ SimpleNode::SimpleNode(int code)
     this->_document = NULL;
     this->_parent = this->_next = NULL;
     this->_first_child = this->_last_child = NULL;
+
+    _observers.add(_subtree_observers);
 }
 
 SimpleNode::SimpleNode(SimpleNode const &node)
@@ -199,6 +201,8 @@ SimpleNode::SimpleNode(SimpleNode const &node)
     {
         _attributes = cons(*iter, _attributes);
     }
+
+    _observers.add(_subtree_observers);
 }
 
 gchar const *SimpleNode::name() const {
@@ -267,6 +271,16 @@ bool SimpleNode::matchAttributeName(gchar const *partial_name) const {
     return false;
 }
 
+void SimpleNode::_setParent(Node *parent) {
+   if (_parent) {
+        _subtree_observers.remove(_parent->_subtreeObservers());
+    }
+    _parent = parent;
+    if (parent) {
+        _subtree_observers.add(parent->_subtreeObservers());
+    }
+}
+
 void SimpleNode::setContent(gchar const *content) {
     ptr_shared<char> old_content=_content;
     ptr_shared<char> new_content = ( content ? share_string(content) : ptr_shared<char>() );