Simplify time representation; better in-tree DCP subtitle parser.

1 files changed, 65 insertions, 0 deletions

diff --git a/src/dcp/text.cc b/src/dcp/text.cc
new file mode 100644
index 0000000..313ebdd
--- /dev/null
+++ b/src/dcp/text.cc
@@ -0,0 +1,65 @@
+/*
+    Copyright (C) 2012-2014 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.
+
+*/
+
+/** @file  src/text.cc
+ *  @brief Text class for parsing DCP subtitle XML.
+ */
+
+#include "../xml.h"
+#include "text.h"
+#include "font.h"
+#include <libcxml/cxml.h>
+#include <boost/foreach.hpp>
+
+using std::string;
+using std::list;
+using boost::shared_ptr;
+using boost::optional;
+using namespace sub;
+
+/** Read a &lt;Text&gt; node from a subtitle XML file, noting its contents
+ *  in this object's member variables.
+ *  @param node Node to read.
+ */
+dcp::Text::Text (boost::shared_ptr<const cxml::Node> node)
+	: v_align (CENTRE_OF_SCREEN)
+{
+	optional<float> x = node->optional_number_attribute<float> ("VPosition");
+	if (!x) {
+		x = node->number_attribute<float> ("Vposition");
+	}
+	v_position = x.get ();
+	
+	optional<string> v = node->optional_string_attribute ("VAlign");
+	if (!v) {
+		v = node->optional_string_attribute ("Valign");
+	}
+	
+	if (v) {
+		if (v.get() == "top") {
+			v_align = TOP_OF_SCREEN;
+		} else if (v.get() == "center") {
+			v_align = CENTRE_OF_SCREEN;
+		} else if (v.get() == "bottom") {
+			v_align = BOTTOM_OF_SCREEN;
+		} else {
+			boost::throw_exception (DCPError ("unknown subtitle valign type"));
+		}
+	}
+}