Namespace.h

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//
// Copyright (c) 2009, Markus Rickert
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
 
#ifndef _RL_XML_NAMESPACE_H_
#define _RL_XML_NAMESPACE_H_
 
#include <string>
#include <boost/shared_ptr.hpp>
#include <libxml/parser.h>
 
namespace rl
{
    namespace xml
    {
        class Namespace
        {
        public:
            Namespace(xmlNsPtr ns) :
                ns(ns)
            {
            }
            
            Namespace(xmlNodePtr node, const ::std::string& href, const ::std::string& prefix) :
                ns(
                    xmlNewNs(
                        node,
                        reinterpret_cast< const xmlChar* >(href.c_str()),
                        reinterpret_cast< const xmlChar* >(prefix.c_str())
                    )
                )
            {
                this->ns->_private = node;
            }
            
            virtual ~Namespace()
            {
                if (NULL == this->ns->_private)
                {
                    xmlFreeNs(this->ns);
                }
            }
            
            ::std::string getHref() const
            {
                return reinterpret_cast< const char* >(this->ns->href);
            }
            
            ::std::string getPrefix() const
            {
                return reinterpret_cast< const char* >(this->ns->prefix);
            }
            
            xmlNsPtr operator()() const
            {
                return this->ns;
            }
            
        protected:
            
        private:
            xmlNsPtr ns;
        };
    }
}
 
#endif // _RL_XML_NAMESPACE_H_