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// $Id$
//============================================================
/**
* @file XML_Helper.h
*
* @brief Some helper functions for XML
*
* @author Bala Natarajan <bala@dre.vanderbilt.edu>
*/
//============================================================
#ifndef CIAO_CONFIG_HANDLERS_XML_HELPER_H
#define CIAO_CONFIG_HANDLERS_XML_HELPER_H
#include /**/ "ace/pre.h"
#include "CIAO_XML_Utils_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Singleton.h"
#include "ace/Null_Mutex.h"
#include "xercesc/util/XercesDefs.hpp"
namespace XERCES_CPP_NAMESPACE
{
class DOMDocument;
class DOMWriter;
class DOMImplementation;
}
namespace CIAO
{
namespace Config_Handlers
{
/**
* @class XML_Helper
*
* @brief Helper class for some routine XML stuff.
*/
class CIAO_XML_Utils_Export XML_Helper
{
public:
XML_Helper (void);
~XML_Helper (void);
/// Create a DOM tree
XERCES_CPP_NAMESPACE::DOMDocument *
create_dom (const ACE_TCHAR *uri);
XERCES_CPP_NAMESPACE::DOMDocument *
create_dom (const ACE_TCHAR *root,
const ACE_TCHAR *ns);
//Writes out a DOMDocument to an XML file
bool write_DOM (XERCES_CPP_NAMESPACE::DOMDocument *doc,
const ACE_TCHAR *file);
bool is_initialized (void) const;
protected:
/// Intialize the parser
void init_parser (void);
/// Terminate the parser
void terminate_parser (void);
private:
bool initialized_;
XERCES_CPP_NAMESPACE::DOMImplementation *impl_;
};
}
}
CIAO_XML_UTILS_SINGLETON_DECLARE (ACE_Singleton,
CIAO::Config_Handlers::XML_Helper,
ACE_Null_Mutex)
namespace CIAO
{
namespace Config_Handlers
{
typedef ACE_Singleton < XML_Helper, ACE_Null_Mutex > XML_Helper_Singleton;
}
}
#define XML_HELPER CIAO::Config_Handlers::XML_Helper_Singleton::instance ()
#include /**/ "ace/post.h"
#endif/*CIAO_CONFIG_HANDLERS_XML_HELPER_H*/
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