Synchronize mql-zmq changes on Lang/Native; add MqlTick and MqlRates support for ZmqMsg

Include/Mql/Lang/Native.mqh

@@ -143,16 +143,10 @@ string StringFromUtf8Pointer(intptr_t psz,int len)
    if(len < 0) return NULL;
    string res;
    int required=MultiByteToWideChar(CP_UTF8,0,psz,len,res,0);
-   StringInit(res,required);
-   int resLength = MultiByteToWideChar(CP_UTF8,0,psz,len,res,required);
-   if(resLength != required)
-     {
-      return NULL;
-     }
-   else
-     {
-      return res;
-     }
+// need to include the NULL terminating character
+   StringInit(res,required+1);
+   int rlen=MultiByteToWideChar(CP_UTF8,0,psz,len,res,required);
+   return rlen != required ? NULL : res;
   }
 //+------------------------------------------------------------------+
 //| for null-terminated string                                       |

Include/Zmq/ZmqMsg.mqh

@@ -46,10 +46,10 @@ int zmq_msg_close(zmq_msg_t &msg);
 int zmq_msg_move(zmq_msg_t &dest,zmq_msg_t &src);
 int zmq_msg_copy(zmq_msg_t &dest,zmq_msg_t &src);
 // char *
-intptr_t zmq_msg_data(zmq_msg_t const &msg);
-int zmq_msg_size(zmq_msg_t const &msg);
-int zmq_msg_more(zmq_msg_t const &msg);
-int zmq_msg_get(zmq_msg_t const &msg,int property);
+intptr_t zmq_msg_data(zmq_msg_t &msg);
+int zmq_msg_size(zmq_msg_t &msg);
+int zmq_msg_more(zmq_msg_t &msg);
+int zmq_msg_get(zmq_msg_t &msg,int property);
 int zmq_msg_set(zmq_msg_t &msg,int property,int optval);
 // const char *
 intptr_t zmq_msg_gets(zmq_msg_t &msg,const char &property[]);
@@ -62,7 +62,7 @@ struct ZmqMsg: public zmq_msg_t
 protected:
    int               get(int property) {return zmq_msg_get(this,property);}
    bool              set(int property,int value) {return 0==zmq_msg_set(this,property,value);}
-   intptr_t          data() const {return zmq_msg_data(this);}
+   intptr_t          data() {return zmq_msg_data(this);}
    bool              setStringData(string data,bool nullterminated=false);
 public:
                      ZmqMsg() {zmq_msg_init(this);}
@@ -88,17 +88,9 @@ public:
 
    size_t            size() {return zmq_msg_size(this);}
 
+   void              getData(uchar &data[]);
    string            getData();
-
-   template<typename T>
-   void              getData(T &array[]) const {ArrayFromPointer(array,data());}
-   template<typename T>
-   void              setData(const T &array[]) {ArrayToPointer(array,data());}
-
-   template<typename T>
-   void              getData(T &value) const {ValueFromPointer(value,data());}
-   template<typename T>
-   void              setData(const T &value) {ValueToPointer(value,data());}
+   void              setData(const uchar &data[]);
 
    bool              more() {return 1==zmq_msg_more(this);}
 
@@ -119,6 +111,16 @@ bool ZmqMsg::setStringData(string data,bool nullterminated)
    return res;
   }
 //+------------------------------------------------------------------+
+//| Get message data as bytes array                                  |
+//+------------------------------------------------------------------+
+void ZmqMsg::getData(uchar &data[])
+  {
+   size_t size=size();
+   intptr_t src=data();
+   if(ArraySize(data)<size) ArrayResize(data,(int)size);
+   ArrayFromPointer(data,src);
+  }
+//+------------------------------------------------------------------+
 //| Get message data as utf-8 string                                 |
 //+------------------------------------------------------------------+
 string ZmqMsg::getData()
@@ -128,6 +130,15 @@ string ZmqMsg::getData()
    return StringFromUtf8Pointer(psz,(int)size);
   }
 //+------------------------------------------------------------------+
+//| copy data to message internal storage                            |
+//+------------------------------------------------------------------+
+void ZmqMsg::setData(const uchar &data[])
+  {
+   intptr_t dest=data();
+   size_t size=size();
+   ArrayToPointer(data,dest,(int)size);
+  }
+//+------------------------------------------------------------------+
 //| Wraps zmq_msg_gets: get metadata associated with the msg         |
 //+------------------------------------------------------------------+
 string ZmqMsg::meta(const string property)