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// $Id$
//============================================================
/**
* @file XML_Helper.h
*
* @brief Some helper functions for XML
*
* @author Bala Natarajan <bala@dre.vanderbilt.edu>
* @author William R. Otte <wotte@dre.vanderbilt.edu>
*/
//============================================================
#ifndef CIAO_XML_HELPER_H
#define CIAO_XML_HELPER_H
#include /**/ "ace/pre.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "XML/CIAO_XML_Utils_Export.h"
#include "XML/XML_Error_Handler.h"
#include "XML/XML_Schema_Resolver.h"
#include "xercesc/util/XercesDefs.hpp"
#include "xercesc/parsers/XercesDOMParser.hpp"
#include <memory>
namespace XERCES_CPP_NAMESPACE
{
class DOMDocument;
class DOMWriter;
class DOMImplementation;
class DOMDocumentType;
}
namespace CIAO
{
namespace XML
{
/**
* @class XML_Helper
*
* @brief Helper class for some routine XML stuff.
*/
template <typename Resolver = XML_Schema_Resolver <>,
typename Error_Handler = XML_Error_Handler>
class XML_Helper
{
public:
// XML_Helper (void);
/// Initialize the resolver we should use.
XML_Helper (Resolver &resolver, Error_Handler &eh);
~XML_Helper (void);
/// Create a DOM tree
XERCES_CPP_NAMESPACE::DOMDocument *
create_dom (const ACE_TCHAR *uri) const;
XERCES_CPP_NAMESPACE::DOMDocument *
create_dom (const ACE_TCHAR *root,
const ACE_TCHAR *ns,
XERCES_CPP_NAMESPACE::DOMDocumentType * doctype = 0) const;
XERCES_CPP_NAMESPACE::DOMDocumentType *
create_doctype (const ACE_TCHAR *qn,
const ACE_TCHAR *pid,
const ACE_TCHAR *sid) const;
/// Writes out a DOMDocument to an XML file
bool write_DOM (XERCES_CPP_NAMESPACE::DOMDocument *doc,
const ACE_TCHAR *file) const;
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_;
mutable std::auto_ptr<XERCES_CPP_NAMESPACE::XercesDOMParser> parser_;
Resolver &resolver_;
Error_Handler &e_handler_;
};
}
}
#include "XML_Helper.tpp"
#include /**/ "ace/post.h"
#endif/*CIAO_CONFIG_HANDLERS_XML_HELPER_H*/
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