2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "raw_convert.h"
21 #include "subtitle_content.h"
26 #include "subtitle_string.h"
29 #include <libxml++/nodes/element.h>
30 #include <boost/algorithm/string.hpp>
37 using std::stringstream;
39 using boost::shared_ptr;
40 using boost::optional;
41 using boost::function;
42 using boost::dynamic_pointer_cast;
45 SubtitleContent::SubtitleContent ()
51 SubtitleContent::SubtitleContent (boost::filesystem::path file)
59 SubtitleContent::parse_common (shared_ptr<cxml::Document> xml, list<shared_ptr<dcp::Font> > font_nodes)
61 _reel_number = xml->string_child ("ReelNumber");
62 _language = xml->string_child ("Language");
64 /* Now make Subtitle objects to represent the raw XML nodes
68 ParseState parse_state;
69 examine_font_nodes (xml, font_nodes, parse_state);
73 SubtitleContent::examine_font_nodes (
74 shared_ptr<const cxml::Node> xml,
75 list<shared_ptr<dcp::Font> > const & font_nodes,
76 ParseState& parse_state
79 for (list<shared_ptr<dcp::Font> >::const_iterator i = font_nodes.begin(); i != font_nodes.end(); ++i) {
81 parse_state.font_nodes.push_back (*i);
82 maybe_add_subtitle ((*i)->text, parse_state);
84 for (list<shared_ptr<dcp::Subtitle> >::iterator j = (*i)->subtitle_nodes.begin(); j != (*i)->subtitle_nodes.end(); ++j) {
85 parse_state.subtitle_nodes.push_back (*j);
86 examine_text_nodes (xml, (*j)->text_nodes, parse_state);
87 examine_font_nodes (xml, (*j)->font_nodes, parse_state);
88 parse_state.subtitle_nodes.pop_back ();
91 examine_font_nodes (xml, (*i)->font_nodes, parse_state);
92 examine_text_nodes (xml, (*i)->text_nodes, parse_state);
94 parse_state.font_nodes.pop_back ();
99 SubtitleContent::examine_text_nodes (
100 shared_ptr<const cxml::Node> xml,
101 list<shared_ptr<dcp::Text> > const & text_nodes,
102 ParseState& parse_state
105 for (list<shared_ptr<dcp::Text> >::const_iterator i = text_nodes.begin(); i != text_nodes.end(); ++i) {
106 parse_state.text_nodes.push_back (*i);
107 maybe_add_subtitle ((*i)->text, parse_state);
108 examine_font_nodes (xml, (*i)->font_nodes, parse_state);
109 parse_state.text_nodes.pop_back ();
114 SubtitleContent::maybe_add_subtitle (string text, ParseState const & parse_state)
116 if (empty_or_white_space (text)) {
120 if (parse_state.text_nodes.empty() || parse_state.subtitle_nodes.empty ()) {
124 assert (!parse_state.text_nodes.empty ());
125 assert (!parse_state.subtitle_nodes.empty ());
127 dcp::Font effective_font (parse_state.font_nodes);
128 dcp::Text effective_text (*parse_state.text_nodes.back ());
129 dcp::Subtitle effective_subtitle (*parse_state.subtitle_nodes.back ());
131 _subtitles.push_back (
134 effective_font.italic.get(),
135 effective_font.color.get(),
137 effective_subtitle.in,
138 effective_subtitle.out,
139 effective_text.v_position,
140 effective_text.v_align,
142 effective_font.effect ? effective_font.effect.get() : NONE,
143 effective_font.effect_color.get(),
144 effective_subtitle.fade_up_time,
145 effective_subtitle.fade_down_time
151 SubtitleContent::subtitles_at (Time t) const
153 list<SubtitleString> s;
154 for (list<SubtitleString>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
155 if (i->in() <= t && t <= i->out ()) {
164 SubtitleContent::add (SubtitleString s)
166 _subtitles.push_back (s);
170 SubtitleContent::write_xml (boost::filesystem::path p) const
172 FILE* f = fopen_boost (p, "w");
174 throw FileError ("Could not open file for writing", p, -1);
177 Glib::ustring const s = xml_as_string ();
178 fwrite (s.c_str(), 1, s.bytes(), f);
185 SubtitleContent::latest_subtitle_out () const
188 for (list<SubtitleString>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
198 SubtitleContent::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, function<void (NoteType, std::string)> note) const
200 if (!Asset::equals (other_asset, options, note)) {
204 shared_ptr<const SubtitleContent> other = dynamic_pointer_cast<const SubtitleContent> (other_asset);
209 if (_reel_number != other->_reel_number) {
210 note (DCP_ERROR, "subtitle reel numbers differ");
214 if (_language != other->_language) {
215 note (DCP_ERROR, "subtitle languages differ");
219 if (_subtitles != other->_subtitles) {
220 note (DCP_ERROR, "subtitles differ");