src/lib/dkdm_wrapper.cc

   1 /*
   2     Copyright (C) 2017-2021 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
  22 #include "compose.hpp"
  23 #include "dkdm_wrapper.h"
  24 #include "dcpomatic_assert.h"
  25 #include <dcp/warnings.h>
  26 LIBDCP_DISABLE_WARNINGS
  27 #include <libxml++/libxml++.h>
  28 LIBDCP_ENABLE_WARNINGS
  29
  30
  31 using std::string;
  32 using std::list;
  33 using std::shared_ptr;
  34 using std::make_shared;
  35 using std::dynamic_pointer_cast;
  36
  37
  38 shared_ptr<DKDMBase>
  39 DKDMBase::read (cxml::ConstNodePtr node)
  40 {
  41         if (node->name() == "DKDM") {
  42                 return make_shared<DKDM>(dcp::EncryptedKDM(node->content()));
  43         } else if (node->name() == "DKDMGroup") {
  44                 auto name = node->optional_string_attribute("Name");
  45                 if (!name) {
  46                         name = node->string_attribute("name");
  47                 }
  48                 auto group = make_shared<DKDMGroup>(*name);
  49                 for (auto i: node->node_children()) {
  50                         if (auto c = read(i)) {
  51                                 group->add (c);
  52                         }
  53                 }
  54                 return group;
  55         }
  56
  57         return {};
  58 }
  59
  60
  61 string
  62 DKDM::name () const
  63 {
  64         return String::compose ("%1 (%2)", _dkdm.content_title_text(), _dkdm.cpl_id());
  65 }
  66
  67
  68 void
  69 DKDM::as_xml (xmlpp::Element* node) const
  70 {
  71         node->add_child("DKDM")->add_child_text (_dkdm.as_xml ());
  72 }
  73
  74
  75 void
  76 DKDMGroup::as_xml (xmlpp::Element* node) const
  77 {
  78         auto f = node->add_child("DKDMGroup");
  79         f->set_attribute("name", _name);
  80         for (auto i: _children) {
  81                 i->as_xml (f);
  82         }
  83 }
  84
  85
  86 void
  87 DKDMGroup::add (shared_ptr<DKDMBase> child, shared_ptr<DKDM> previous)
  88 {
  89         DCPOMATIC_ASSERT (child);
  90         if (previous) {
  91                 auto i = find (_children.begin(), _children.end(), previous);
  92                 if (i != _children.end()) {
  93                         ++i;
  94                 }
  95                 _children.insert (i, child);
  96         } else {
  97                 _children.push_back (child);
  98         }
  99         child->set_parent (dynamic_pointer_cast<DKDMGroup>(shared_from_this()));
 100 }
 101
 102
 103 void
 104 DKDMGroup::remove (shared_ptr<DKDMBase> child)
 105 {
 106         for (auto i = _children.begin(); i != _children.end(); ++i) {
 107                 if (*i == child) {
 108                         _children.erase (i);
 109                         child->set_parent (shared_ptr<DKDMGroup>());
 110                         return;
 111                 }
 112                 auto g = dynamic_pointer_cast<DKDMGroup> (*i);
 113                 if (g) {
 114                         g->remove (child);
 115                 }
 116         }
 117 }