From a9d42b0dd30c12b73e7b31853a5012a72b339af5 Mon Sep 17 00:00:00 2001
From: Martinsh Shaiters <martinsh.shaiters@gmail.com>
Date: Wed, 30 Jan 2013 11:14:27 +0200
Subject: [PATCH 1/2] Replace InitDocument() with Clear() and make it part of
 the API.

---
 tinyxml2.cpp | 13 ++++++-------
 tinyxml2.h   |  4 +++-
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 2c06a46..6b349f0 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -1520,8 +1520,10 @@ XMLDocument::~XMLDocument()
 }
 
 
-void XMLDocument::InitDocument()
+void XMLDocument::Clear()
 {
+    DeleteChildren();
+
     _errorID = XML_NO_ERROR;
     _errorStr1 = 0;
     _errorStr2 = 0;
@@ -1578,8 +1580,7 @@ XMLUnknown* XMLDocument::NewUnknown( const char* str )
 
 XMLError XMLDocument::LoadFile( const char* filename )
 {
-    DeleteChildren();
-    InitDocument();
+    Clear();
     FILE* fp = 0;
 
 #if defined(_MSC_VER) && (_MSC_VER >= 1400 )
@@ -1600,8 +1601,7 @@ XMLError XMLDocument::LoadFile( const char* filename )
 
 XMLError XMLDocument::LoadFile( FILE* fp )
 {
-    DeleteChildren();
-    InitDocument();
+    Clear();
 
     fseek( fp, 0, SEEK_END );
     size_t size = ftell( fp );
@@ -1662,8 +1662,7 @@ XMLError XMLDocument::SaveFile( FILE* fp, bool compact )
 
 XMLError XMLDocument::Parse( const char* p, size_t len )
 {
-    DeleteChildren();
-    InitDocument();
+    Clear();
 
     if ( !p || !*p ) {
         SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );
diff --git a/tinyxml2.h b/tinyxml2.h
index d04c5e4..cf60a58 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -1532,6 +1532,9 @@ public:
     }
     /// If there is an error, print it to stdout.
     void PrintError() const;
+    
+    /// Clear the document, resetting it to the initial state.
+    void Clear();
 
     // internal
     char* Identify( char* p, XMLNode** node );
@@ -1546,7 +1549,6 @@ public:
 private:
     XMLDocument( const XMLDocument& );	// not supported
     void operator=( const XMLDocument& );	// not supported
-    void InitDocument();
 
     bool        _writeBOM;
     bool        _processEntities;

From 53ab79afad55608e4b4b5a59ee1e5965d89ffbc4 Mon Sep 17 00:00:00 2001
From: Martinsh Shaiters <martinsh.shaiters@gmail.com>
Date: Wed, 30 Jan 2013 11:21:36 +0200
Subject: [PATCH 2/2] Add unit test for XMLDocument::Clear().

---
 xmltest.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/xmltest.cpp b/xmltest.cpp
index 64217f3..5f7cb30 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -1072,6 +1072,13 @@ int main( int argc, const char ** argv )
 		XMLTest( "Set length of incoming data", doc.Error(), false );
 	}
 
+    {
+        XMLDocument doc;
+        doc.LoadFile( "resources/dream.xml" );
+        doc.Clear();
+        XMLTest( "Document Clear()'s", doc.NoChildren(), true );
+    }
+    
 	// ----------- Whitespace ------------
 	{
 		const char* xml = "<element>"