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/>.
20 #include "interop_subtitle_asset.h"
21 #include "interop_load_font_node.h"
23 #include "raw_convert.h"
24 #include "font_node.h"
26 #include "font_asset.h"
27 #include "dcp_assert.h"
28 #include <libxml++/libxml++.h>
29 #include <boost/foreach.hpp>
38 using boost::shared_ptr;
39 using boost::shared_array;
40 using boost::optional;
41 using boost::dynamic_pointer_cast;
44 InteropSubtitleAsset::InteropSubtitleAsset (boost::filesystem::path file)
45 : SubtitleAsset (file)
47 shared_ptr<cxml::Document> xml (new cxml::Document ("DCSubtitle"));
48 xml->read_file (file);
49 _id = xml->string_child ("SubtitleID");
50 _reel_number = xml->string_child ("ReelNumber");
51 _language = xml->string_child ("Language");
52 _movie_title = xml->string_child ("MovieTitle");
53 _load_font_nodes = type_children<dcp::InteropLoadFontNode> (xml, "LoadFont");
55 list<shared_ptr<dcp::FontNode> > font_nodes;
56 BOOST_FOREACH (cxml::NodePtr const & i, xml->node_children ("Font")) {
57 font_nodes.push_back (shared_ptr<FontNode> (new FontNode (i, 250, "Id")));
60 list<shared_ptr<dcp::SubtitleNode> > subtitle_nodes;
61 BOOST_FOREACH (cxml::NodePtr const & i, xml->node_children ("Subtitle")) {
62 subtitle_nodes.push_back (shared_ptr<SubtitleNode> (new SubtitleNode (i, 250, "Id")));
65 parse_subtitles (xml, font_nodes, subtitle_nodes);
68 InteropSubtitleAsset::InteropSubtitleAsset ()
74 InteropSubtitleAsset::xml_as_string () const
77 xmlpp::Element* root = doc.create_root_node ("DCSubtitle");
78 root->set_attribute ("Version", "1.0");
80 root->add_child("SubtitleID")->add_child_text (_id);
81 root->add_child("MovieTitle")->add_child_text (_movie_title);
82 root->add_child("ReelNumber")->add_child_text (raw_convert<string> (_reel_number));
83 root->add_child("Language")->add_child_text (_language);
85 for (list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin(); i != _load_font_nodes.end(); ++i) {
86 xmlpp::Element* load_font = root->add_child("LoadFont");
87 load_font->set_attribute ("Id", (*i)->id);
88 load_font->set_attribute ("URI", (*i)->uri);
91 subtitles_as_xml (root, 250, INTEROP);
93 return doc.write_to_string_formatted ("UTF-8");
97 InteropSubtitleAsset::add_font (string load_id, boost::filesystem::path file)
99 _fonts.push_back (Font (load_id, make_uuid(), file));
100 _load_font_nodes.push_back (shared_ptr<InteropLoadFontNode> (new InteropLoadFontNode (load_id, file.leaf().string ())));
104 InteropSubtitleAsset::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, NoteHandler note) const
106 if (!SubtitleAsset::equals (other_asset, options, note)) {
110 shared_ptr<const InteropSubtitleAsset> other = dynamic_pointer_cast<const InteropSubtitleAsset> (other_asset);
115 list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin ();
116 list<shared_ptr<InteropLoadFontNode> >::const_iterator j = other->_load_font_nodes.begin ();
118 while (i != _load_font_nodes.end ()) {
119 if (j == other->_load_font_nodes.end ()) {
120 note (DCP_ERROR, "<LoadFont> nodes differ");
125 note (DCP_ERROR, "<LoadFont> nodes differ");
133 if (_movie_title != other->_movie_title) {
134 note (DCP_ERROR, "Subtitle movie titles differ");
141 list<shared_ptr<LoadFontNode> >
142 InteropSubtitleAsset::load_font_nodes () const
144 list<shared_ptr<LoadFontNode> > lf;
145 copy (_load_font_nodes.begin(), _load_font_nodes.end(), back_inserter (lf));
149 /** Write this content to an XML file with its fonts alongside */
151 InteropSubtitleAsset::write (boost::filesystem::path p) const
153 FILE* f = fopen_boost (p, "w");
155 throw FileError ("Could not open file for writing", p, -1);
158 string const s = xml_as_string ();
159 /* length() here gives bytes not characters */
160 fwrite (s.c_str(), 1, s.length(), f);
165 BOOST_FOREACH (shared_ptr<InteropLoadFontNode> i, _load_font_nodes) {
166 boost::filesystem::path file = p.parent_path() / i->uri;
167 FILE* f = fopen_boost (file, "wb");
169 throw FileError ("could not open font file for writing", file, errno);
171 list<Font>::const_iterator j = _fonts.begin ();
172 while (j != _fonts.end() && j->load_id != i->id) {
175 if (j != _fonts.end ()) {
176 fwrite (j->data.data().get(), 1, j->data.size(), f);
184 InteropSubtitleAsset::resolve_fonts (list<shared_ptr<Asset> > assets)
186 BOOST_FOREACH (shared_ptr<Asset> i, assets) {
187 shared_ptr<FontAsset> font = dynamic_pointer_cast<FontAsset> (i);
192 BOOST_FOREACH (shared_ptr<InteropLoadFontNode> j, _load_font_nodes) {
193 if (j->uri == font->file().leaf().string ()) {
194 _fonts.push_back (Font (j->id, i->id(), font->file ()));
201 InteropSubtitleAsset::add_font_assets (list<shared_ptr<Asset> >& assets)
203 BOOST_FOREACH (Font const & i, _fonts) {
205 assets.push_back (shared_ptr<FontAsset> (new FontAsset (i.uuid, i.file.get ())));