From 13a693315da47ee8c1306c92f9af2e95d4e6829e Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 20 Dec 2014 22:25:55 +0000
Subject: Basic comparison of subtitle assets; tweaks to InteropLoadFont.

---
 src/interop_load_font.cc        | 19 +++++++++++++++++
 src/interop_load_font.h         |  4 ++++
 src/interop_subtitle_content.cc | 45 +++++++++++++++++++++++++++++++++++++++++
 src/interop_subtitle_content.h  |  8 ++++++++
 src/subtitle_content.cc         | 32 +++++++++++++++++++++++++++++
 src/subtitle_content.h          |  6 +-----
 6 files changed, 109 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/interop_load_font.cc b/src/interop_load_font.cc
index ec2653ef..c40d64c4 100644
--- a/src/interop_load_font.cc
+++ b/src/interop_load_font.cc
@@ -25,6 +25,13 @@ using boost::shared_ptr;
 using boost::optional;
 using namespace dcp;
 
+InteropLoadFont::InteropLoadFont (string id_, string uri_)
+	: id (id_)
+	, uri (uri_)
+{
+
+}
+
 InteropLoadFont::InteropLoadFont (shared_ptr<const cxml::Node> node)
 {
 	optional<string> x = node->optional_string_attribute ("Id");
@@ -35,3 +42,15 @@ InteropLoadFont::InteropLoadFont (shared_ptr<const cxml::Node> node)
 	
 	uri = node->string_attribute ("URI");
 }
+
+bool
+dcp::operator== (InteropLoadFont const & a, InteropLoadFont const & b)
+{
+	return a.id == b.id && a.uri == b.uri;
+}
+
+bool
+dcp::operator!= (InteropLoadFont const & a, InteropLoadFont const & b)
+{
+	return !(a == b);
+}
diff --git a/src/interop_load_font.h b/src/interop_load_font.h
index b6043bd0..61f63ffb 100644
--- a/src/interop_load_font.h
+++ b/src/interop_load_font.h
@@ -30,10 +30,14 @@ class InteropLoadFont
 {
 public:
 	InteropLoadFont () {}
+	InteropLoadFont (std::string id, std::string uri);
 	InteropLoadFont (boost::shared_ptr<const cxml::Node> node);
 
 	std::string id;
 	std::string uri;
 };
 
+bool operator== (InteropLoadFont const & a, InteropLoadFont const & b);
+bool operator!= (InteropLoadFont const & a, InteropLoadFont const & b);
+
 }
diff --git a/src/interop_subtitle_content.cc b/src/interop_subtitle_content.cc
index 25e49dd9..0fdee0b4 100644
--- a/src/interop_subtitle_content.cc
+++ b/src/interop_subtitle_content.cc
@@ -26,7 +26,9 @@
 using std::list;
 using std::string;
 using boost::shared_ptr;
+using boost::function;
 using boost::optional;
+using boost::dynamic_pointer_cast;
 using namespace dcp;
 
 InteropSubtitleContent::InteropSubtitleContent (boost::filesystem::path file)
@@ -165,3 +167,46 @@ InteropSubtitleContent::xml_as_string () const
 	return doc.write_to_string_formatted ("UTF-8");
 }
 
+void
+InteropSubtitleContent::add_font (string id, string uri)
+{
+	_load_font_nodes.push_back (shared_ptr<InteropLoadFont> (new InteropLoadFont (id, uri)));
+}
+
+bool
+InteropSubtitleContent::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, function<void (NoteType, std::string)> note) const
+{
+	if (!SubtitleContent::equals (other_asset, options, note)) {
+		return false;
+	}
+	
+	shared_ptr<const InteropSubtitleContent> other = dynamic_pointer_cast<const InteropSubtitleContent> (other_asset);
+	if (!other) {
+		return false;
+	}
+
+	list<shared_ptr<InteropLoadFont> >::const_iterator i = _load_font_nodes.begin ();
+	list<shared_ptr<InteropLoadFont> >::const_iterator j = other->_load_font_nodes.begin ();
+
+	while (i != _load_font_nodes.end ()) {
+		if (j == _load_font_nodes.end ()) {
+			note (DCP_ERROR, "<LoadFont> nodes differ");
+			return false;
+		}
+
+		if (**i != **j) {
+			note (DCP_ERROR, "<LoadFont> nodes differ");
+			return false;
+		}
+
+		++i;
+		++j;
+	}
+
+	if (_movie_title != other->_movie_title) {
+		note (DCP_ERROR, "Subtitle movie titles differ");
+		return false;
+	}
+
+	return true;
+}
diff --git a/src/interop_subtitle_content.h b/src/interop_subtitle_content.h
index df834356..9dfde104 100644
--- a/src/interop_subtitle_content.h
+++ b/src/interop_subtitle_content.h
@@ -30,9 +30,17 @@ public:
 	InteropSubtitleContent (std::string movie_title, std::string language);
 	InteropSubtitleContent (boost::filesystem::path file);
 
+	bool equals (
+		boost::shared_ptr<const Asset>,
+		EqualityOptions,
+		boost::function<void (NoteType, std::string)> note
+		) const;
+
 	std::list<boost::shared_ptr<InteropLoadFont> > load_font_nodes () const {
 		return _load_font_nodes;
 	}
+
+	void add_font (std::string id, std::string uri);
 	
 	Glib::ustring xml_as_string () const;
 
diff --git a/src/subtitle_content.cc b/src/subtitle_content.cc
index 7bc080b3..e2c3efb2 100644
--- a/src/subtitle_content.cc
+++ b/src/subtitle_content.cc
@@ -38,6 +38,8 @@ using std::stringstream;
 using std::cout;
 using boost::shared_ptr;
 using boost::optional;
+using boost::function;
+using boost::dynamic_pointer_cast;
 using namespace dcp;
 
 SubtitleContent::SubtitleContent (boost::filesystem::path file)
@@ -184,3 +186,33 @@ SubtitleContent::latest_subtitle_out () const
 
 	return t;
 }
+
+bool
+SubtitleContent::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, function<void (NoteType, std::string)> note) const
+{
+	if (!Asset::equals (other_asset, options, note)) {
+		return false;
+	}
+	
+	shared_ptr<const SubtitleContent> other = dynamic_pointer_cast<const SubtitleContent> (other_asset);
+	if (!other) {
+		return false;
+	}
+
+	if (_reel_number != other->_reel_number) {
+		note (DCP_ERROR, "subtitle reel numbers differ");
+		return false;
+	}
+
+	if (_language != other->_language) {
+		note (DCP_ERROR, "subtitle languages differ");
+		return false;
+	}
+
+	if (_subtitles != other->_subtitles) {
+		note (DCP_ERROR, "subtitles differ");
+		return false;
+	}
+
+	return true;
+}
diff --git a/src/subtitle_content.h b/src/subtitle_content.h
index 222d52cc..d5153a4c 100644
--- a/src/subtitle_content.h
+++ b/src/subtitle_content.h
@@ -46,11 +46,7 @@ public:
 		boost::shared_ptr<const Asset>,
 		EqualityOptions,
 		boost::function<void (NoteType, std::string)> note
-		) const {
-		/* XXX */
-		note (DCP_ERROR, "subtitle content not compared yet");
-		return true;
-	}
+		) const;
 
 	std::string language () const {
 		return _language;
-- 
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