visitor.hh

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/*
 * libkeepass - KeePass key database importer/exporter
 * Copyright (C) 2014 Christian Kindahl
 * Copyright (C) 2024 Dominik Krümpelmann
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
#include <iosfwd>
 
#include "libkeepass/export.hh"
 
namespace keepass {
 
class Entry;
class Group;
 
class LIBKEEPASS_API Visitor {
public:
  virtual ~Visitor() = default;
 
  virtual void Visit(Group& group);
 
  virtual void Visit(Entry& entry);
};
 
class LIBKEEPASS_API PrintVisitor : public Visitor {
public:
  explicit PrintVisitor(std::ostream& os) : os_(os) {}
 
  void Visit(Group& group) override;
  void Visit(Entry& entry) override;
 
private:
  std::ostream& os_;
};
 
 
LIBKEEPASS_API void Visit(Group& group, Visitor& visitor);
 
} // namespace keepass