Function ClearBuffer

3rdparty/tinyxml2/tinyxml2.h:2324–2328

If in print to memory mode, reset the buffer to the beginning. */

    	beginning.
    */
    void ClearBuffer( bool resetToFirstElement = true ) {
        _buffer.Clear();
        _buffer.Push(0);
		_firstElement = resetToFirstElement;
    }

protected:
	virtual bool CompactMode( const XMLElement& )	{ return _compactMode; }