From 1c6256fd3c76ea6a37b414f65c8e6aeefbad3b56 Mon Sep 17 00:00:00 2001
From: Sergey Lisitsyn <lisitsyn.s.o@gmail.com>
Date: Sat, 14 Apr 2018 13:36:23 +0200
Subject: [PATCH] Add dummy json (de)serializer

---
 src/shogun/io/serialization/Deserializer.cpp  |  6 +++++
 src/shogun/io/serialization/Deserializer.h    |  3 ++-
 .../io/serialization/JsonDeserializer.cpp     | 21 +++++++++++++++
 .../io/serialization/JsonDeserializer.h       | 26 +++++++++++++++++++
 .../io/serialization/JsonSerializer.cpp       | 20 ++++++++++++++
 src/shogun/io/serialization/JsonSerializer.h  | 26 +++++++++++++++++++
 src/shogun/io/serialization/Serializer.cpp    |  6 +++++
 src/shogun/io/serialization/Serializer.h      |  1 +
 8 files changed, 108 insertions(+), 1 deletion(-)
 create mode 100644 src/shogun/io/serialization/JsonDeserializer.cpp
 create mode 100644 src/shogun/io/serialization/JsonDeserializer.h
 create mode 100644 src/shogun/io/serialization/JsonSerializer.cpp
 create mode 100644 src/shogun/io/serialization/JsonSerializer.h

diff --git a/src/shogun/io/serialization/Deserializer.cpp b/src/shogun/io/serialization/Deserializer.cpp
index 4b0dbd776e5..cdf53c972c9 100644
--- a/src/shogun/io/serialization/Deserializer.cpp
+++ b/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;
+}
diff --git a/src/shogun/io/serialization/Deserializer.h b/src/shogun/io/serialization/Deserializer.h
index 691b2c6c149..3bb2f701bde 100644
--- a/src/shogun/io/serialization/Deserializer.h
+++ b/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;
diff --git a/src/shogun/io/serialization/JsonDeserializer.cpp b/src/shogun/io/serialization/JsonDeserializer.cpp
new file mode 100644
index 00000000000..ac335eebccf
--- /dev/null
+++ b/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);
+}
diff --git a/src/shogun/io/serialization/JsonDeserializer.h b/src/shogun/io/serialization/JsonDeserializer.h
new file mode 100644
index 00000000000..139e20a9119
--- /dev/null
+++ b/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
diff --git a/src/shogun/io/serialization/JsonSerializer.cpp b/src/shogun/io/serialization/JsonSerializer.cpp
new file mode 100644
index 00000000000..7d39a6c5fa2
--- /dev/null
+++ b/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>)
+{
+}
diff --git a/src/shogun/io/serialization/JsonSerializer.h b/src/shogun/io/serialization/JsonSerializer.h
new file mode 100644
index 00000000000..137a46b753c
--- /dev/null
+++ b/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
diff --git a/src/shogun/io/serialization/Serializer.cpp b/src/shogun/io/serialization/Serializer.cpp
index 6312b90451c..c3bcc65758b 100644
--- a/src/shogun/io/serialization/Serializer.cpp
+++ b/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;
+}
diff --git a/src/shogun/io/serialization/Serializer.h b/src/shogun/io/serialization/Serializer.h
index 171824eefde..eabc69c2e8d 100644
--- a/src/shogun/io/serialization/Serializer.h
+++ b/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;