2 Copyright (C) 2014-2016 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 "stl_text_reader.h"
21 #include "compose.hpp"
22 #include <boost/algorithm/string.hpp>
23 #include <boost/lexical_cast.hpp>
33 using boost::algorithm::trim;
34 using boost::algorithm::starts_with;
35 using boost::is_any_of;
36 using boost::optional;
37 using boost::lexical_cast;
40 STLTextReader::STLTextReader (istream& in)
42 /* This reader extracts no information about where the subtitle
43 should be on screen, so its reference is TOP_OF_SUBTITLE.
45 _subtitle.vertical_position.line = 0;
46 _subtitle.vertical_position.reference = TOP_OF_SUBTITLE;
57 if (starts_with (line, "//")) {
61 if (line.size() > 0 && line[0] == '$') {
64 split (bits, line, is_any_of ("="));
65 if (bits.size() == 2) {
66 string name = bits[0];
68 string value = bits[1];
73 warn (String::compose ("Unrecognised line %1", line));
78 divider[0] = line.find_first_of (",");
79 if (divider[0] != string::npos) {
80 divider[1] = line.find_first_of (",", divider[0] + 1);
83 if (divider[0] == string::npos || divider[1] == string::npos || divider[0] <= 1 || divider[1] >= line.length() - 1) {
84 warn (String::compose ("Unrecognised line %1", line));
88 string from_string = line.substr (0, divider[0] - 1);
90 string to_string = line.substr (divider[0] + 1, divider[1] - divider[0] - 1);
93 optional<Time> from = time (from_string);
94 optional<Time> to = time (to_string);
97 warn (String::compose ("Unrecognised line %1", line));
101 _subtitle.from = from.get ();
102 _subtitle.to = to.get ();
105 string text = line.substr (divider[1] + 1);
106 for (size_t i = 0; i < text.length(); ++i) {
107 if (text[i] == '|') {
109 _subtitle.vertical_position.line = _subtitle.vertical_position.line.get() + 1;
110 } else if (text[i] == '^') {
112 if ((i + 1) < text.length()) {
113 switch (text[i + 1]) {
115 _subtitle.bold = !_subtitle.bold;
118 _subtitle.italic = !_subtitle.italic;
121 _subtitle.underline = !_subtitle.underline;
127 _subtitle.text += text[i];
137 STLTextReader::time (string t) const
140 split (b, t, is_any_of (":"));
142 warn (String::compose ("Unrecognised time %1", t));
143 return optional<Time> ();
146 return sub::Time::from_hmsf (lexical_cast<int> (b[0]), lexical_cast<int> (b[1]), lexical_cast<int> (b[2]), lexical_cast<int> (b[3]));
150 STLTextReader::set (string name, string value)
152 if (name == "$FontName") {
153 _subtitle.font = value;
154 } else if (name == "$Bold") {
155 _subtitle.bold = value == "True";
156 } else if (name == "$Italic") {
157 _subtitle.italic = value == "True";
158 } else if (name == "$Underlined") {
159 _subtitle.underline = value == "True";
160 } else if (name == "$FontSize") {
161 _subtitle.font_size.set_points (lexical_cast<int> (value));
166 STLTextReader::maybe_push ()
168 if (!_subtitle.text.empty ()) {
169 _subs.push_back (_subtitle);
170 _subtitle.text.clear ();
171 _subtitle.vertical_position.line = 0;