added missing serializationHelper.cpp

pvAccessApp/remote/serializationHelper.cpp

@@ -0,0 +1,80 @@
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * pvAccessCPP is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+
+#include <pv/serializationHelper.h>
+#include <pv/introspectionRegistry.h>
+#include <pv/convert.h>
+
+using namespace epics::pvData;
+
+namespace epics {
+namespace pvAccess {
+
+PVDataCreatePtr SerializationHelper::_pvDataCreate(getPVDataCreate());
+
+PVStructure::shared_pointer SerializationHelper::deserializePVRequest(ByteBuffer* buffer, DeserializableControl* control)
+{
+	// for now ordinary structure, later can be changed
+	return deserializeStructureFull(buffer, control);
+}
+
+PVStructure::shared_pointer SerializationHelper::deserializeStructureAndCreatePVStructure(ByteBuffer* buffer, DeserializableControl* control)
+{
+	return deserializeStructureAndCreatePVStructure(buffer, control, PVStructure::shared_pointer());
+}
+
+PVStructure::shared_pointer SerializationHelper::deserializeStructureAndCreatePVStructure(ByteBuffer* buffer, DeserializableControl* control, PVStructure::shared_pointer const & existingStructure)
+{
+	FieldConstPtr field = control->cachedDeserialize(buffer);
+	if (field.get() == 0)
+		return PVStructure::shared_pointer();
+
+	if (existingStructure.get() != 0 && *(field.get()) == *(existingStructure->getField()))
+		return existingStructure;
+	else
+		return _pvDataCreate->createPVStructure(std::tr1::static_pointer_cast<const Structure>(field));
+}
+
+PVStructure::shared_pointer SerializationHelper::deserializeStructureFull(ByteBuffer* buffer, DeserializableControl* control)
+{
+    PVStructure::shared_pointer pvStructure;
+	FieldConstPtr structureField = control->cachedDeserialize(buffer);
+    if (structureField.get() != 0)
+    {
+    	pvStructure = _pvDataCreate->createPVStructure(std::tr1::static_pointer_cast<const Structure>(structureField));
+    	pvStructure->deserialize(buffer, control);
+    }
+    return pvStructure;
+}
+
+void SerializationHelper::serializeNullField(ByteBuffer* buffer, SerializableControl* control)
+{
+	control->ensureBuffer(1);
+	buffer->putByte(IntrospectionRegistry::NULL_TYPE_CODE);
+}
+
+void SerializationHelper::serializePVRequest(ByteBuffer* buffer, SerializableControl* control, PVStructure::shared_pointer const & pvRequest)
+{
+	// for now ordinary structure, later can be changed
+	serializeStructureFull(buffer, control, pvRequest);
+}
+
+void SerializationHelper::serializeStructureFull(ByteBuffer* buffer, SerializableControl* control, PVStructure::shared_pointer const & pvStructure)
+{
+	if (pvStructure.get() == 0)
+	{
+    	serializeNullField(buffer, control);
+	}
+	else
+	{
+		control->cachedSerialize(pvStructure->getField(), buffer);
+		pvStructure->serialize(buffer, control);
+	}
+}
+
+}}
+
+