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"
27 #include "dcp_assert.h"
30 #include <libxml++/nodes/element.h>
31 #include <boost/algorithm/string.hpp>
38 using std::stringstream;
40 using boost::shared_ptr;
41 using boost::optional;
42 using boost::function;
43 using boost::dynamic_pointer_cast;
46 SubtitleContent::SubtitleContent ()
52 SubtitleContent::SubtitleContent (boost::filesystem::path file)
60 SubtitleContent::parse_common (shared_ptr<cxml::Document> xml, list<shared_ptr<dcp::Font> > font_nodes)
62 _reel_number = xml->string_child ("ReelNumber");
63 _language = xml->string_child ("Language");
65 /* Now make Subtitle objects to represent the raw XML nodes
69 ParseState parse_state;
70 examine_font_nodes (xml, font_nodes, parse_state);
74 SubtitleContent::examine_font_nodes (
75 shared_ptr<const cxml::Node> xml,
76 list<shared_ptr<dcp::Font> > const & font_nodes,
77 ParseState& parse_state
80 for (list<shared_ptr<dcp::Font> >::const_iterator i = font_nodes.begin(); i != font_nodes.end(); ++i) {
82 parse_state.font_nodes.push_back (*i);
83 maybe_add_subtitle ((*i)->text, parse_state);
85 for (list<shared_ptr<dcp::Subtitle> >::iterator j = (*i)->subtitle_nodes.begin(); j != (*i)->subtitle_nodes.end(); ++j) {
86 parse_state.subtitle_nodes.push_back (*j);
87 examine_text_nodes (xml, (*j)->text_nodes, parse_state);
88 examine_font_nodes (xml, (*j)->font_nodes, parse_state);
89 parse_state.subtitle_nodes.pop_back ();
92 examine_font_nodes (xml, (*i)->font_nodes, parse_state);
93 examine_text_nodes (xml, (*i)->text_nodes, parse_state);
95 parse_state.font_nodes.pop_back ();
100 SubtitleContent::examine_text_nodes (
101 shared_ptr<const cxml::Node> xml,
102 list<shared_ptr<dcp::Text> > const & text_nodes,
103 ParseState& parse_state
106 for (list<shared_ptr<dcp::Text> >::const_iterator i = text_nodes.begin(); i != text_nodes.end(); ++i) {
107 parse_state.text_nodes.push_back (*i);
108 maybe_add_subtitle ((*i)->text, parse_state);
109 examine_font_nodes (xml, (*i)->font_nodes, parse_state);
110 parse_state.text_nodes.pop_back ();
115 SubtitleContent::maybe_add_subtitle (string text, ParseState const & parse_state)
117 if (empty_or_white_space (text)) {
121 if (parse_state.text_nodes.empty() || parse_state.subtitle_nodes.empty ()) {
125 DCP_ASSERT (!parse_state.text_nodes.empty ());
126 DCP_ASSERT (!parse_state.subtitle_nodes.empty ());
128 dcp::Font effective_font (parse_state.font_nodes);
129 dcp::Text effective_text (*parse_state.text_nodes.back ());
130 dcp::Subtitle effective_subtitle (*parse_state.subtitle_nodes.back ());
132 _subtitles.push_back (
135 effective_font.italic.get(),
136 effective_font.colour.get(),
138 effective_subtitle.in,
139 effective_subtitle.out,
140 effective_text.v_position,
141 effective_text.v_align,
143 effective_font.effect ? effective_font.effect.get() : NONE,
144 effective_font.effect_colour.get(),
145 effective_subtitle.fade_up_time,
146 effective_subtitle.fade_down_time
152 SubtitleContent::subtitles_during (Time from, Time to) const
154 list<SubtitleString> s;
155 for (list<SubtitleString>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
156 if (i->out() >= from && i->in() <= to) {
165 SubtitleContent::add (SubtitleString s)
167 _subtitles.push_back (s);
171 SubtitleContent::write_xml (boost::filesystem::path p) const
173 FILE* f = fopen_boost (p, "w");
175 throw FileError ("Could not open file for writing", p, -1);
178 Glib::ustring const s = xml_as_string ();
179 fwrite (s.c_str(), 1, s.bytes(), f);
186 SubtitleContent::latest_subtitle_out () const
189 for (list<SubtitleString>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
199 SubtitleContent::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, function<void (NoteType, std::string)> note) const
201 if (!Asset::equals (other_asset, options, note)) {
205 shared_ptr<const SubtitleContent> other = dynamic_pointer_cast<const SubtitleContent> (other_asset);
210 if (_reel_number != other->_reel_number) {
211 note (DCP_ERROR, "subtitle reel numbers differ");
215 if (_language != other->_language) {
216 note (DCP_ERROR, "subtitle languages differ");
220 if (_subtitles != other->_subtitles) {
221 note (DCP_ERROR, "subtitles differ");