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/* -*- C++ -*- */
//=============================================================================
/**
* @file XML_Saver.h
*
* $Id$
*
* @author Jonathan Pollack <pollack_j@ociweb.com>
*/
//=============================================================================
#ifndef XML_SAVER_H
#define XML_SAVER_H
#include /**/ "ace/pre.h"
#include "Topology_Saver.h"
#include "tao/corba.h"
#include "ace/streams.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
namespace TAO_NOTIFY
{
/**
* \brief Save Notification Service Topology to an XML file.
*/
class XML_Saver : public Topology_Saver
{
public:
/// Construct an XML_Saver.
/// Initialization is deferred to "open()"
XML_Saver (bool timestamp = true);
virtual ~XML_Saver ();
/// Open the output file.
/// \param file_name the fully qualified file name
/// \return true if successful
bool open (const ACE_CString & file_name, size_t backup_count);
//////////////////////////////////
// Override Topology_Saver methods
// see Topology_Saver.h for doc
virtual bool begin_object (CORBA::Long id,
const ACE_CString& type,
const NVPList& attrs,
bool changed
ACE_ENV_ARG_DECL);
virtual void end_object (CORBA::Long id,
const ACE_CString& type
ACE_ENV_ARG_DECL);
virtual void close (ACE_ENV_SINGLE_ARG_DECL);
private:
void backup_file_name (char * file_path, int nfile);
/// \return newstr to allow in-line use
char* escape_string(char *& newstr, size_t & size, const ACE_CString & str);
private:
/// A stream representing our current output.
ostream * output_;
bool close_out_;
/// the name of the output file
ACE_CString base_name_;
size_t backup_count_;
/// true to enable timestamping
bool timestamp_;
/// A string consisting of spaces that is our current indentation level.
ACE_CString indent_;
};
} // namespace TAO_NOTIFY
#include /**/ "ace/post.h"
#endif /* XML_SAVER_H */
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