Add very basic subrip writer.

2 files changed, 108 insertions, 0 deletions

diff --git a/test/subrip_writer_test.cc b/test/subrip_writer_test.cc
new file mode 100644
index 0000000..431b959
--- /dev/null
+++ b/test/subrip_writer_test.cc
@@ -0,0 +1,107 @@
+/*
+    Copyright (C) 2026 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "subrip_writer.h"
+#include "subtitle.h"
+#include <boost/test/unit_test.hpp>
+#include <fstream>
+
+
+using std::vector;
+using std::string;
+using std::ifstream;
+using std::getline;
+
+
+/** Test writing of a SubRip file */
+BOOST_AUTO_TEST_CASE(subrip_writer_test)
+{
+	vector<sub::Subtitle> subs;
+
+	{
+		sub::Subtitle s;
+		s.from = sub::Time::from_hms(0, 0, 41, 90);
+		s.to = sub::Time::from_hms(0, 0, 42, 210);
+
+		{
+			sub::Block b;
+			b.text = "This is a subtitle";
+			sub::Line l;
+			l.blocks.push_back(b);
+			s.lines.push_back(l);
+		}
+
+		{
+			sub::Block b;
+			b.text = "and that's a line break";
+			sub::Line l;
+			l.blocks.push_back(b);
+			s.lines.push_back(l);
+		}
+
+		subs.push_back(s);
+	}
+
+	{
+		sub::Subtitle s;
+		s.from = sub::Time::from_hms(0, 1, 1, 10);
+		s.to = sub::Time::from_hms(0, 1, 2, 100);
+
+		sub::Line l;
+
+		sub::Block b;
+		b.text = "This is some ";
+		l.blocks.push_back(b);
+
+		b.text = "bold";
+		b.bold = true;
+		l.blocks.push_back(b);
+
+		b.text = " and some ";
+		b.bold = false;
+		l.blocks.push_back(b);
+
+		b.text = "underlined";
+		b.underline = true;
+		l.blocks.push_back(b);
+
+		s.lines.push_back(l);
+		subs.push_back(s);
+	}
+
+	sub::write_subrip(subs, "build/test/test_subrip_writer.srt");
+
+	ifstream f("build/test/test_subrip_writer.srt");
+	string line;
+	vector<string> lines;
+	while (getline(f, line)) {
+		lines.push_back(line);
+	}
+	f.close();
+
+	BOOST_CHECK_EQUAL(lines[0], "1");
+	BOOST_CHECK_EQUAL(lines[1], "00:00:41,090 --> 00:00:42,210");
+	BOOST_CHECK_EQUAL(lines[2], "This is a subtitle");
+	BOOST_CHECK_EQUAL(lines[3], "and that's a line break");
+	BOOST_CHECK_EQUAL(lines[4], "");
+
+	BOOST_CHECK_EQUAL(lines[5], "2");
+	BOOST_CHECK_EQUAL(lines[6], "00:01:01,010 --> 00:01:02,100");
+	BOOST_CHECK_EQUAL(lines[7], "This is some <b>bold</b> <u>underlined</u>");
+}
diff --git a/test/wscript b/test/wscript
index c6a01b0..20ff1d5 100644
--- a/test/wscript
+++ b/test/wscript
@@ -26,6 +26,7 @@ def build(bld):
                  stl_binary_writer_test.cc
                  stl_text_reader_test.cc
                  subrip_reader_test.cc
+                 subrip_writer_test.cc
                  time_test.cc
                  test.cc
                  vertical_position_test.cc