Serialization of EO user objects.

eo/src/serial/Entity.h

@@ -0,0 +1,34 @@
+# ifndef __EOSERIAL_ENTITY_H__
+# define __EOSERIAL_ENTITY_H__
+
+# include <iostream>
+# include <sstream>
+
+namespace eoserial
+{
+
+/**
+ * @brief JSON entity
+ *
+ * This class represents a JSON entity, which can be JSON objects,
+ * strings or arrays. It is the base class for the JSON hierarchy.
+ */
+class Entity
+{
+public:
+
+    /**
+     * Virtual dtor (base class).
+     */
+    virtual ~Entity() { /* empty */ }
+
+    /**
+     * @brief Prints the content of a JSON object into a stream.
+     * @param out The stream in which we're printing.
+     */
+    virtual std::ostream& print( std::ostream& out ) const = 0;
+};
+
+} // namespace eoserial
+
+# endif // __ENTITY_H__