When reparenting, remove child from old parent

2 files changed, 19 insertions, 0 deletions

diff --git a/example.cpp b/example.cpp
index 166ae98..8346749 100644
--- a/example.cpp
+++ b/example.cpp
@@ -43,6 +43,11 @@ int main()
     node->add_element("subsubnode")->add_comment(
         "i am in pretty deep waters here, man ..");
 
+    node = root->add_element("node")->set_attr("id", 6);
+    node = node->add_element("subnode")->set_attr("id", 66);
+
+    root->add_child(node);
+
     std::cout << root->to_string(true) << std::endl;
 
     return 0;
diff --git a/sxml.cpp b/sxml.cpp
index 0e23833..e09de0b 100644
--- a/sxml.cpp
+++ b/sxml.cpp
@@ -59,6 +59,20 @@ node::~node()
 
 node *node::add_child(node *child)
 {
+    if (child->m_parent != NULL)
+    {
+        node_list::iterator i = child->m_parent->m_children.begin();
+        for (; i != child->m_parent->m_children.end(); ++i)
+        {
+            if (*i == child)
+            {
+                child->m_parent->m_children.erase(i);
+                child->m_parent->set_modified(true);
+                break;
+            }
+        }
+    }
+
     child->m_parent = this;
     m_children.push_back(child);
     set_modified(true);