2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp 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.
11 libdcp 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.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
34 #include "interop_subtitle_asset.h"
35 #include "interop_load_font_node.h"
37 #include "raw_convert.h"
39 #include "font_asset.h"
40 #include "dcp_assert.h"
41 #include <libxml++/libxml++.h>
42 #include <boost/foreach.hpp>
51 using boost::shared_ptr;
52 using boost::shared_array;
53 using boost::optional;
54 using boost::dynamic_pointer_cast;
57 InteropSubtitleAsset::InteropSubtitleAsset (boost::filesystem::path file)
58 : SubtitleAsset (file)
60 shared_ptr<cxml::Document> xml (new cxml::Document ("DCSubtitle"));
61 xml->read_file (file);
62 _id = xml->string_child ("SubtitleID");
63 _reel_number = xml->string_child ("ReelNumber");
64 _language = xml->string_child ("Language");
65 _movie_title = xml->string_child ("MovieTitle");
66 _load_font_nodes = type_children<dcp::InteropLoadFontNode> (xml, "LoadFont");
68 /* Now we need to drop down to xmlpp */
71 xmlpp::Node::NodeList c = xml->node()->get_children ();
72 for (xmlpp::Node::NodeList::const_iterator i = c.begin(); i != c.end(); ++i) {
73 xmlpp::Element const * e = dynamic_cast<xmlpp::Element const *> (*i);
74 if (e && (e->get_name() == "Font" || e->get_name() == "Subtitle")) {
75 parse_subtitles (e, ps, optional<int>(), INTEROP);
80 InteropSubtitleAsset::InteropSubtitleAsset ()
86 InteropSubtitleAsset::xml_as_string () const
89 xmlpp::Element* root = doc.create_root_node ("DCSubtitle");
90 root->set_attribute ("Version", "1.0");
92 root->add_child("SubtitleID")->add_child_text (_id);
93 root->add_child("MovieTitle")->add_child_text (_movie_title);
94 root->add_child("ReelNumber")->add_child_text (raw_convert<string> (_reel_number));
95 root->add_child("Language")->add_child_text (_language);
97 for (list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin(); i != _load_font_nodes.end(); ++i) {
98 xmlpp::Element* load_font = root->add_child("LoadFont");
99 load_font->set_attribute ("Id", (*i)->id);
100 load_font->set_attribute ("URI", (*i)->uri);
103 subtitles_as_xml (root, 250, INTEROP);
105 return doc.write_to_string_formatted ("UTF-8");
109 InteropSubtitleAsset::add_font (string load_id, boost::filesystem::path file)
111 _fonts.push_back (Font (load_id, make_uuid(), file));
112 _load_font_nodes.push_back (shared_ptr<InteropLoadFontNode> (new InteropLoadFontNode (load_id, file.leaf().string ())));
116 InteropSubtitleAsset::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, NoteHandler note) const
118 if (!SubtitleAsset::equals (other_asset, options, note)) {
122 shared_ptr<const InteropSubtitleAsset> other = dynamic_pointer_cast<const InteropSubtitleAsset> (other_asset);
127 list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin ();
128 list<shared_ptr<InteropLoadFontNode> >::const_iterator j = other->_load_font_nodes.begin ();
130 while (i != _load_font_nodes.end ()) {
131 if (j == other->_load_font_nodes.end ()) {
132 note (DCP_ERROR, "<LoadFont> nodes differ");
137 note (DCP_ERROR, "<LoadFont> nodes differ");
145 if (_movie_title != other->_movie_title) {
146 note (DCP_ERROR, "Subtitle movie titles differ");
153 list<shared_ptr<LoadFontNode> >
154 InteropSubtitleAsset::load_font_nodes () const
156 list<shared_ptr<LoadFontNode> > lf;
157 copy (_load_font_nodes.begin(), _load_font_nodes.end(), back_inserter (lf));
161 /** Write this content to an XML file with its fonts alongside */
163 InteropSubtitleAsset::write (boost::filesystem::path p) const
165 FILE* f = fopen_boost (p, "w");
167 throw FileError ("Could not open file for writing", p, -1);
170 string const s = xml_as_string ();
171 /* length() here gives bytes not characters */
172 fwrite (s.c_str(), 1, s.length(), f);
177 BOOST_FOREACH (shared_ptr<InteropLoadFontNode> i, _load_font_nodes) {
178 boost::filesystem::path file = p.parent_path() / i->uri;
179 FILE* f = fopen_boost (file, "wb");
181 throw FileError ("could not open font file for writing", file, errno);
183 list<Font>::const_iterator j = _fonts.begin ();
184 while (j != _fonts.end() && j->load_id != i->id) {
187 if (j != _fonts.end ()) {
188 fwrite (j->data.data().get(), 1, j->data.size(), f);
196 InteropSubtitleAsset::resolve_fonts (list<shared_ptr<Asset> > assets)
198 BOOST_FOREACH (shared_ptr<Asset> i, assets) {
199 shared_ptr<FontAsset> font = dynamic_pointer_cast<FontAsset> (i);
204 BOOST_FOREACH (shared_ptr<InteropLoadFontNode> j, _load_font_nodes) {
205 if (font->file() && j->uri == font->file()->leaf().string ()) {
206 _fonts.push_back (Font (j->id, i->id(), font->file().get()));
213 InteropSubtitleAsset::add_font_assets (list<shared_ptr<Asset> >& assets)
215 BOOST_FOREACH (Font const & i, _fonts) {
217 assets.push_back (shared_ptr<FontAsset> (new FontAsset (i.uuid, i.file.get ())));