optimize piSwap and c++11 improvments

lib/main/core/pibase.h

@@ -255,9 +255,15 @@ typedef unsigned long long ullong;
 typedef long long llong;
 typedef long double ldouble;
 
+#ifdef PIP_CXX11_SUPPORT
+#define piMove(v) std::move(v)
+#else
+#define piMove(v) v
+#endif
+
 /*! \brief Templated function for swap two values
  * \details Example:\n \snippet piincludes.cpp swap */
-template<typename T> inline void piSwap(T & f, T & s) {T t = f; f = s; s = t;}
+template<typename T> inline void piSwap(T & f, T & s) {T t(piMove(f)); f = piMove(s); s = piMove(t);}
 
 /*! \brief Templated function for swap two values without "="
  * \details Example:\n \snippet piincludes.cpp swapBinary */
@@ -294,6 +300,10 @@ template<> inline void piSwapBinary(const void *& f, const void *& s) {
 	}
 }
 
+template<> inline void piSwap(double & f, double & s) {piSwapBinary<double>(f, s);}
+template<> inline void piSwap(ldouble & f, ldouble & s) {piSwapBinary<ldouble>(f, s);}
+
+
 /*! \brief Function for compare two values without "=" by raw content
  * \details Example:\n \snippet piincludes.cpp compareBinary */
 inline bool piCompareBinary(const void * f, const void * s, size_t size) {

lib/main/core/pibytearray.h

@@ -316,6 +316,7 @@ __PIBYTEARRAY_SIMPLE_TYPE__(PIChar)
 
 
 template<> inline uint piHash(const PIByteArray & ba) {return ba.hash();}
+template<> inline void piSwap(PIByteArray & f, PIByteArray & s) {f.swap(s);}
 
 
 #endif // PIBYTEARRAY_H

lib/main/core/piobject.h

@@ -504,13 +504,19 @@ public:
 	explicit PIObject(const PIString & name = PIString());
 	
 	virtual ~PIObject();
-	
+
+#ifdef PIP_CXX11_SUPPORT
+	explicit PIObject(const PIObject & ) = delete;
+	void operator =(const PIObject & ) = delete;
+#else
 private:
 	explicit PIObject(const PIObject & );
 	void operator =(const PIObject & );
+#endif
 
+private:
 	uint _signature_;
-	
+
 public:
 	
 	//! Returns object name

lib/main/core/pistring.h

@@ -770,5 +770,6 @@ PIString versionNormalize(const PIString & v);
 
 
 template<> inline uint piHash(const PIString & s) {return s.hash();}
+template<> inline void piSwap(PIString & f, PIString & s) {f.swap(s);}
 
 #endif // PISTRING_H