Add dummy json (de)serializer

src/shogun/io/serialization/Deserializer.cpp

@@ -19,3 +19,9 @@ void CDeserializer::attach(Some<CInputStream> stream)
 {
 	m_stream = stream;
 }
+
+Some<CInputStream> CDeserializer::stream() const
+{
+	REQUIRE(m_stream, "Deserializer has no stream, attach() it to a stream");
+	return m_stream;
+}

src/shogun/io/serialization/Deserializer.h

@@ -15,8 +15,9 @@ namespace shogun
 	public:
 		CDeserializer();
 		virtual ~CDeserializer();
-		virtual void attach(Some<CInputStream> stream) = 0;
+		virtual void attach(Some<CInputStream> stream);
 		virtual Some<CSGObject> read() = 0;
+		Some<CInputStream> stream() const;
 
 	private:
 		Some<CInputStream> m_stream;

src/shogun/io/serialization/JsonDeserializer.cpp

@@ -0,0 +1,21 @@
+/** This software is distributed under BSD 3-clause license (see LICENSE file).
+ *
+ * Authors: Sergey Lisitsyn
+ */
+
+#include <shogun/io/serialization/JsonDeserializer.h>
+
+using namespace shogun;
+
+CJsonDeserializer::CJsonDeserializer() : CDeserializer()
+{
+}
+
+CJsonDeserializer::~CJsonDeserializer()
+{
+}
+
+Some<CSGObject> CJsonDeserializer::read()
+{
+	return wrap<CSGObject>(nullptr);
+}

src/shogun/io/serialization/JsonDeserializer.h

@@ -0,0 +1,26 @@
+/** This software is distributed under BSD 3-clause license (see LICENSE file).
+ *
+ * Authors: Sergey Lisitsyn
+ */
+#ifndef __JSON_DESERIALIZER_H__
+#define __JSON_DESERIALIZER_H__
+
+#include <shogun/io/serialization/Deserializer.h>
+
+namespace shogun
+{
+	class CJsonDeserializer : public CDeserializer
+	{
+	public:
+		CJsonDeserializer();
+		virtual ~CJsonDeserializer();
+		virtual Some<CSGObject> read();
+
+		virtual const char* get_name() const
+		{
+			return "JsonDeserializer";
+		}
+	};
+}
+
+#endif

src/shogun/io/serialization/JsonSerializer.cpp

@@ -0,0 +1,20 @@
+/** This software is distributed under BSD 3-clause license (see LICENSE file).
+ *
+ * Authors: Sergey Lisitsyn
+ */
+
+#include <shogun/io/serialization/JsonSerializer.h>
+
+using namespace shogun;
+
+CJsonSerializer::CJsonSerializer() : CSerializer()
+{
+}
+
+CJsonSerializer::~CJsonSerializer()
+{
+}
+
+void CJsonSerializer::write(Some<CSGObject>)
+{
+}

src/shogun/io/serialization/JsonSerializer.h

@@ -0,0 +1,26 @@
+/** This software is distributed under BSD 3-clause license (see LICENSE file).
+ *
+ * Authors: Sergey Lisitsyn
+ */
+#ifndef __JSON_SERIALIZER_H__
+#define __JSON_SERIALIZER_H__
+
+#include <shogun/io/serialization/Serializer.h>
+
+namespace shogun
+{
+	class CJsonSerializer : public CSerializer
+	{
+	public:
+		CJsonSerializer();
+		virtual ~CJsonSerializer();
+		virtual void write(Some<CSGObject> object);
+
+		virtual const char* get_name() const
+		{
+			return "JsonSerializer";
+		}
+	};
+}
+
+#endif

src/shogun/io/serialization/Serializer.cpp

@@ -19,3 +19,9 @@ void CSerializer::attach(Some<COutputStream> stream)
 {
 	m_stream = stream;
 }
+
+Some<COutputStream> CSerializer::stream() const
+{
+	REQUIRE(m_stream, "Serializer has no stream, attach() it to a stream");
+	return m_stream;
+}

src/shogun/io/serialization/Serializer.h

@@ -17,6 +17,7 @@ namespace shogun
 		virtual ~CSerializer();
 		virtual void attach(Some<COutputStream> stream);
 		virtual void write(Some<CSGObject> object) = 0;
+		Some<COutputStream> stream() const;
 
 	private:
 		Some<COutputStream> m_stream;