From 4c987f7feb504fe4011b52ffeb231e3b25823de1 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 13 Aug 2012 01:45:42 +0100
Subject: Basic subtitle test works.

---
 src/subtitle_asset.cc |  5 +++-
 src/subtitle_asset.h  |  6 ++---
 src/xml.cc            | 69 +++++++++++++++++++++++++++++++++++++--------------
 src/xml.h             |  4 +++
 4 files changed, 62 insertions(+), 22 deletions(-)

(limited to 'src')

diff --git a/src/subtitle_asset.cc b/src/subtitle_asset.cc
index 19697a7f..ca27d6da 100644
--- a/src/subtitle_asset.cc
+++ b/src/subtitle_asset.cc
@@ -44,11 +44,14 @@ Font::Font (xmlpp::Node const * node)
 Subtitle::Subtitle (xmlpp::Node const * node)
 	: XMLNode (node)
 {
+	_in = time_attribute ("TimeIn");
+	_out = time_attribute ("TimeOut");
 	_texts = sub_nodes<Text> ("Text");
 }
 
 Text::Text (xmlpp::Node const * node)
 	: XMLNode (node)
 {
-
+	_text = content ();
+	_v_position = float_attribute ("VPosition");
 }
diff --git a/src/subtitle_asset.h b/src/subtitle_asset.h
index 392d70b4..02db6815 100644
--- a/src/subtitle_asset.h
+++ b/src/subtitle_asset.h
@@ -57,7 +57,7 @@ public:
 		return _out;
 	}
 
-	std::list<boost::shared_ptr<Text> > texts () const {
+	std::list<boost::shared_ptr<Text> > const & texts () const {
 		return _texts;
 	}
 
@@ -73,7 +73,7 @@ public:
 	Font () {}
 	Font (xmlpp::Node const * node);
 
-	std::list<boost::shared_ptr<Subtitle> > subtitles () const {
+	std::list<boost::shared_ptr<Subtitle> > const & subtitles () const {
 		return _subtitles;
 	}
 
@@ -95,7 +95,7 @@ public:
 		return _language;
 	}
 
-	std::list<boost::shared_ptr<Font> > fonts () const {
+	std::list<boost::shared_ptr<Font> > const & fonts () const {
 		return _fonts;
 	}
 
diff --git a/src/xml.cc b/src/xml.cc
index 79baa01c..21912bdf 100644
--- a/src/xml.cc
+++ b/src/xml.cc
@@ -2,6 +2,7 @@
 #include <iostream>
 #include <boost/lexical_cast.hpp>
 #include <boost/filesystem.hpp>
+#include <boost/algorithm/string.hpp>
 #include <libxml++/libxml++.h>
 #include "xml.h"
 #include "exceptions.h"
@@ -59,24 +60,7 @@ XMLNode::xml_nodes (string name)
 string
 XMLNode::string_node (string name)
 {
-	xmlpp::Node* node = xml_node (name);
-	
-        xmlpp::Node::NodeList c = node->get_children ();
-
-	if (c.size() > 1) {
-		throw XMLError ("unexpected content in XML node");
-	}
-
-	if (c.empty ()) {
-		return "";
-	}
-	
-        xmlpp::ContentNode const * v = dynamic_cast<xmlpp::ContentNode const *> (c.front());
-	if (!v) {
-		throw XMLError ("missing content in XML node");
-	}
-	
-	return v->get_content ();
+	return XMLNode (xml_node (name)).content ();
 }
 
 string
@@ -142,7 +126,35 @@ XMLNode::ignore_node (string name)
 Time
 XMLNode::time_attribute (string name)
 {
+	string const t = string_attribute (name);
+
+	vector<string> b;
+	boost::split (b, t, is_any_of (":"));
+	assert (b.size() == 4);
+
+	return Time (lexical_cast<int> (b[0]), lexical_cast<int> (b[1]), lexical_cast<int> (b[2]), lexical_cast<int> (b[3]));
+}
+
+string
+XMLNode::string_attribute (string name)
+{
+	xmlpp::Element const * e = dynamic_cast<const xmlpp::Element *> (_node);
+	if (!e) {
+		return "";
+	}
+	
+	xmlpp::Attribute* a = e->get_attribute (name);
+	if (!a) {
+		return "";
+	}
 
+	return a->get_value ();
+}
+
+float
+XMLNode::float_attribute (string name)
+{
+	return lexical_cast<float> (string_attribute (name));
 }
 
 void
@@ -156,6 +168,27 @@ XMLNode::done ()
 	}
 }
 
+string
+XMLNode::content ()
+{
+        xmlpp::Node::NodeList c = _node->get_children ();
+
+	if (c.size() > 1) {
+		throw XMLError ("unexpected content in XML node");
+	}
+
+	if (c.empty ()) {
+		return "";
+	}
+	
+        xmlpp::ContentNode const * v = dynamic_cast<xmlpp::ContentNode const *> (c.front());
+	if (!v) {
+		throw XMLError ("missing content in XML node");
+	}
+	
+	return v->get_content ();
+}
+
 XMLFile::XMLFile (string file, string root_name)
 {
 	if (!filesystem::exists (file)) {
diff --git a/src/xml.h b/src/xml.h
index 5c071958..85589a0f 100644
--- a/src/xml.h
+++ b/src/xml.h
@@ -8,6 +8,7 @@
 #include <boost/shared_ptr.hpp>
 #include "types.h"
 #include "exceptions.h"
+#include "dcp_time.h"
 
 namespace xmlpp {
 	class Node;
@@ -35,6 +36,9 @@ protected:
 
 	Time time_attribute (std::string);
 	float float_attribute (std::string);
+	std::string string_attribute (std::string);
+
+	std::string content ();
 
 	template <class T>
 	boost::shared_ptr<T> sub_node (std::string name) {
-- 
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