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/*
Copyright (C) 2017-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include <dcp/encrypted_kdm.h>
#include <libcxml/cxml.h>
#include <memory>
namespace xmlpp {
class Element;
}
class DKDMGroup;
class DKDMBase : public std::enable_shared_from_this<DKDMBase>
{
public:
virtual ~DKDMBase() {}
virtual std::string name() const = 0;
virtual void as_xml(xmlpp::Element *) const = 0;
/** @return true if this thing is, or contains, any actual DKDM */
virtual bool contains_dkdm() const = 0;
virtual std::vector<dcp::EncryptedKDM> all_dkdms() const = 0;
static std::shared_ptr<DKDMBase> read(cxml::ConstNodePtr node);
std::shared_ptr<DKDMGroup> parent() const {
return _parent;
}
void set_parent(std::shared_ptr<DKDMGroup> parent) {
_parent = parent;
}
private:
std::shared_ptr<DKDMGroup> _parent;
};
class DKDM : public DKDMBase
{
public:
explicit DKDM(dcp::EncryptedKDM k)
: _dkdm(k)
{}
std::string name() const override;
void as_xml(xmlpp::Element *) const override;
bool contains_dkdm() const override {
return true;
}
std::vector<dcp::EncryptedKDM> all_dkdms() const override {
return { _dkdm };
}
dcp::EncryptedKDM dkdm() const {
return _dkdm;
}
private:
dcp::EncryptedKDM _dkdm;
};
class DKDMGroup : public DKDMBase
{
public:
explicit DKDMGroup(std::string name)
: _name(name)
{}
std::string name() const override {
return _name;
}
void as_xml(xmlpp::Element *) const override;
bool contains_dkdm() const override;
std::vector<dcp::EncryptedKDM> all_dkdms() const override;
std::list<std::shared_ptr<DKDMBase>> children() const {
return _children;
}
void add(std::shared_ptr<DKDMBase> child, std::shared_ptr<DKDM> previous = std::shared_ptr<DKDM>());
void remove(std::shared_ptr<DKDMBase> child);
bool contains(std::string dkdm_id) const;
private:
std::string _name;
std::list<std::shared_ptr<DKDMBase>> _children;
};
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