From d47a3ed09d6250aa82ec090003d0228d3f9a6f79 Mon Sep 17 00:00:00 2001
From: kiritow <1362050620@qq.com>
Date: Wed, 17 May 2017 23:24:43 +0800
Subject: [PATCH] Add support functions of XML Node

---
 MiniEngine_Xml.cpp | 111 +++++++++++++++++++++++++++++++++++++++++++--
 MiniEngine_Xml.h   |  17 ++++++-
 2 files changed, 121 insertions(+), 7 deletions(-)

diff --git a/MiniEngine_Xml.cpp b/MiniEngine_Xml.cpp
index 72491f8..0bc26d9 100644
--- a/MiniEngine_Xml.cpp
+++ b/MiniEngine_Xml.cpp
@@ -9,6 +9,107 @@ namespace MiniEngine
 namespace XML
 {
 
+void Node::push_front(const Node& node)
+{
+    _pnode->prepend_node(node._pnode);
+}
+
+void Node::push_back(const Node& node)
+{
+    _pnode->append_node(node._pnode);
+}
+
+void Node::insert(const Node& where, const Node& val)
+{
+    _pnode->insert_node(where._pnode,val._pnode);
+}
+
+void Node::remove_first_node()
+{
+    _pnode->remove_first_node();
+}
+
+void Node::remove_last_node()
+{
+    _pnode->remove_last_node();
+}
+
+void Node::remove_node(const Node& todelete)
+{
+    _pnode->remove_node(todelete._pnode);
+}
+
+void Node::remove_all_node()
+{
+    _pnode->remove_all_nodes();
+}
+
+void Node::push_front(const Attribute& attr)
+{
+    _pnode->prepend_attribute(attr._get());
+}
+
+void Node::push_back(const Attribute& attr)
+{
+    _pnode->append_attribute(attr._get());
+}
+
+void Node::insert(const Attribute& where, const Attribute& val)
+{
+    _pnode->insert_attribute(where._get(),val._get());
+}
+
+void Node::remove_first_attr()
+{
+    _pnode->remove_first_attribute();
+}
+
+void Node::remove_last_attr()
+{
+    _pnode->remove_last_attribute();
+}
+
+void Node::remove_attr(const Attribute& todelete)
+{
+    _pnode->remove_attribute(todelete._get());
+}
+
+void Node::remove_all_attr()
+{
+    _pnode->remove_all_attributes();
+}
+
+bool Node::hasPrevNode() const
+{
+    return _pnode->previous_sibling()!=nullptr;
+}
+
+bool Node::hasNextNode() const
+{
+    return _pnode->next_sibling()!=nullptr;
+}
+
+bool Node::hasParentNode() const
+{
+    return _pnode->parent()!=nullptr;
+}
+
+Node Node::getPrevNode() const
+{
+    return Node(_pnode->previous_sibling());
+}
+
+Node Node::getNextNode() const
+{
+    return Node(_pnode->next_sibling());
+}
+
+Node Node::getParentNode() const
+{
+    return Node(_pnode->parent());
+}
+
+
 Document::Document()
 {
     _is_ready=false;
@@ -65,17 +166,17 @@ bool Document::ready()
 Node Document::newNode(const std::string& name,const std::string& value)
 {
     Node node;
-    node._pnode=_doc.allocate_node(rapidxml::node_type::node_element,
-                       _allocate_string(name),_allocate_string(value));
-    node._pdoc=this;
+    node._set(_doc.allocate_node(rapidxml::node_type::node_element,
+                       _allocate_string(name),_allocate_string(value)));
+    node._setdoc(this);
     return node;
 }
 
 Attribute Document::newAttr(const std::string& name,const std::string& value)
 {
     Attribute attr;
-    attr._pattr=_doc.allocate_attribute(_allocate_string(name),_allocate_string(value));
-    attr._pdoc=this;
+    attr._set(_doc.allocate_attribute(_allocate_string(name),_allocate_string(value)));
+    attr._setdoc(this);
     return attr;
 }
 
diff --git a/MiniEngine_Xml.h b/MiniEngine_Xml.h
index 6d61abc..d4838a5 100644
--- a/MiniEngine_Xml.h
+++ b/MiniEngine_Xml.h
@@ -17,15 +17,27 @@ class Document;
 
 class Attribute
 {
+public:
+    void _set(XAttr*);
+    XAttr* _get() const;
+    void _clear();
+    void _setdoc(Document*);
 private:
     XAttr* _pattr;
     Document* _pdoc;
-    friend class Document;
 };
 
 class Node
 {
 public:
+    void _set(XNode*);
+    XNode* _get();
+    void _clear();
+    void _setdoc(Document*);
+
+    Node();
+    Node(XNode*);
+
     void push_front(const Node&);
     void push_back(const Node&);
     void insert(const Node& where,const Node& val);
@@ -56,10 +68,11 @@ public:
     Node getNextNode() const;
     Node getParentNode() const;
 
+    Node clone();
+
 private:
     XNode* _pnode;
     Document* _pdoc;
-    friend class Document;
 };
 
 class Document