Changeset 104 for cpp/gdk/extvalue.h

Timestamp:

07/23/13 18:15:30 (11 years ago)

Author:

sz

Message:

introducing object de/serialization - see serialtest.cpp
the core GDK classes can be now used in multiple threads (ifdef MULTITHREADED)

File:

• cpp/gdk/extvalue.h (modified) (4 diffs)

cpp/gdk/extvalue.h

@@ -8 +8 @@
 #include "sstring.h"
 #include "param.h"
+#include "nonstd_stl.h"
+#include "threads.h"
 
 #define EXTVALUEUNION
@@ -48 +50 @@
 void* operator new(size_t s) {return malloc(sizeof(ExtObject));}
 void operator delete(void* mem) {free(mem);}
-
-ParamInterface *getParamInterface() const  {if(subtype&2){param->select(object);return param;} return paraminterface;}
-const char* interfaceName() const {if (isEmpty()) return "Empty"; return getParamInterface()->getName();}
+///@param tmp_param can be used for temporary storage, the result ParamInterface* is only valid for as long as tmp_param is valid
+ParamInterface *getParamInterface(Param &tmp_param) const  {if(subtype&2){tmp_param.setParamTab(param->getParamTab());tmp_param.select(object);return &tmp_param;} return paraminterface;}
+const char* interfaceName() const {if (isEmpty()) return "Empty"; return (subtype&2)?param->getName():paraminterface->getName();}
+bool matchesInterfaceName(ParamInterface* pi) const {return !strcmp(interfaceName(),pi->getName());}
 void* getTarget() const {return (subtype&1)?dbobject:object;}
 void* getTarget(const char* classname) const {return strcmp(interfaceName(),classname)?0:getTarget();}
+void setEmpty() {decref();subtype=0;param=NULL;object=NULL;}
 int isEmpty() const {return !param;}
 ExtObject(const ExtObject& src)      {src.incref();copyFrom(src);}
 void operator=(const ExtObject& src) {src.incref();decref();copyFrom(src);}
 
-int operator==(const ExtObject& src) {if (object!=src.object) return 0; return (object==0)?(param==src.param):1;}
+int operator==(const ExtObject& src) const {if (object!=src.object) return 0; return (object==0)?(!strcmp(param->getName(),src.param->getName())):1;}
 
 SString toString() const;
+SString serialize_inner() const;
+SString serialize() const;
 
 ExtObject(Param *p,void *o):subtype(2),object(o),param(p){}
@@ -67 +73 @@
 
 ~ExtObject(){decref();}
+
+class Serialization
+{
+std::vector<ExtObject> refs;
+int level;
+  public:
+void begin();
+void end();
+int add(const ExtObject& o);
+void replace(const ExtObject& o,const ExtObject& other);
+void remove(const ExtObject& o);
+const ExtObject* get(int ref);
 };
 
+static ThreadSingleton<Serialization> serialization;
+};
 
 class ExtValue
@@ -124 +144 @@
 double getDouble() const;
 SString getString() const;
+SString serialize() const;
 ExtObject getObject() const;
+const char* parseNumber(const char* in);
+const char* deserialize(const char* in);//< @return first character after the succesfully parsed string or NULL if failed
+const char* deserialize_inner(const char* in);
+static PtrListTempl<ParamInterface*> deserializable_classes;
+static ParamInterface *findDeserializableClass(const char* name);
+static void initDeserializableClasses();
 
 ExtValue getExtType();