Make terminate_threads() less likely to leave _threads containing invalid pointers.
[dcpomatic.git] / src / lib / dkdm_wrapper.cc
1 /*
2     Copyright (C) 2017 Carl Hetherington <cth@carlh.net>
3
4     This file is part of DCP-o-matic.
5
6     DCP-o-matic is free software; you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by
8     the Free Software Foundation; either version 2 of the License, or
9     (at your option) any later version.
10
11     DCP-o-matic is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14     GNU General Public License for more details.
15
16     You should have received a copy of the GNU General Public License
17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
18
19 */
20
21 #include "compose.hpp"
22 #include "dkdm_wrapper.h"
23 #include "dcpomatic_assert.h"
24 #include <libxml++/libxml++.h>
25 #include <boost/foreach.hpp>
26
27 using std::string;
28 using std::list;
29 using boost::shared_ptr;
30 using boost::dynamic_pointer_cast;
31
32 shared_ptr<DKDMBase>
33 DKDMBase::read (cxml::ConstNodePtr node)
34 {
35         if (node->name() == "DKDM") {
36                 return shared_ptr<DKDM> (new DKDM (dcp::EncryptedKDM (node->content ())));
37         } else if (node->name() == "DKDMGroup") {
38                 shared_ptr<DKDMGroup> group (new DKDMGroup (node->string_attribute ("Name")));
39                 BOOST_FOREACH (cxml::ConstNodePtr i, node->node_children()) {
40                         shared_ptr<DKDMBase> c = read (i);
41                         if (c) {
42                                 group->add (c);
43                         }
44                 }
45                 return group;
46         }
47
48         return shared_ptr<DKDMBase> ();
49 }
50
51 string
52 DKDM::name () const
53 {
54         return String::compose ("%1 (%2)", _dkdm.content_title_text(), _dkdm.cpl_id());
55 }
56
57 void
58 DKDM::as_xml (xmlpp::Element* node) const
59 {
60         node->add_child("DKDM")->add_child_text (_dkdm.as_xml ());
61 }
62
63 void
64 DKDMGroup::as_xml (xmlpp::Element* node) const
65 {
66         xmlpp::Element* f = node->add_child("DKDMGroup");
67         f->set_attribute ("Name", _name);
68         BOOST_FOREACH (shared_ptr<DKDMBase> i, _children) {
69                 i->as_xml (f);
70         }
71 }
72
73 void
74 DKDMGroup::add (shared_ptr<DKDMBase> child, shared_ptr<DKDM> previous)
75 {
76         DCPOMATIC_ASSERT (child);
77         if (previous) {
78                 list<shared_ptr<DKDMBase> >::iterator i = find (_children.begin(), _children.end(), previous);
79                 if (i != _children.end ()) {
80                         ++i;
81                 }
82                 _children.insert (i, child);
83         } else {
84                 _children.push_back (child);
85         }
86         child->set_parent (dynamic_pointer_cast<DKDMGroup> (shared_from_this ()));
87 }
88
89 void
90 DKDMGroup::remove (shared_ptr<DKDMBase> child)
91 {
92         for (list<shared_ptr<DKDMBase> >::iterator i = _children.begin(); i != _children.end(); ++i) {
93                 if (*i == child) {
94                         _children.erase (i);
95                         child->set_parent (shared_ptr<DKDMGroup> ());
96                         return;
97                 }
98                 shared_ptr<DKDMGroup> g = dynamic_pointer_cast<DKDMGroup> (*i);
99                 if (g) {
100                         g->remove (child);
101                 }
102         }
103 }