Added xml_document::reset() function with document parameter

git-svn-id: http://pugixml.googlecode.com/svn/trunk@786 99668b35-9821-0410-8761-19e4c4f06640

2 files changed, 11 insertions, 0 deletions

diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index 6850589..ff5aaa9 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -4505,6 +4505,14 @@ namespace pugi
 		create();
 	}
 
+    void xml_document::reset(const xml_document& proto)
+    {
+        reset();
+
+        for (xml_node cur = proto.first_child(); cur; cur = cur.next_sibling())
+            append_copy(cur);
+    }
+
 	void xml_document::create()
 	{
 		// initialize sentinel page
diff --git a/src/pugixml.hpp b/src/pugixml.hpp
index ce4abe2..bb08064 100644
--- a/src/pugixml.hpp
+++ b/src/pugixml.hpp
@@ -740,6 +740,9 @@ namespace pugi
         // Removes all nodes, leaving the empty document
 		void reset();
 
+        // Removes all nodes, then copies the entire contents of the specified document
+		void reset(const xml_document& proto);
+
 	#ifndef PUGIXML_NO_STL
 		// Load document from stream.
 		xml_parse_result load(std::basic_istream<char, std::char_traits<char> >& stream, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);