Added mention of the ".x_body" code injection fiels in the tutorial14.

Author: arobenko

tutorials/tutorial14/README.md

@@ -256,6 +256,22 @@ The `Msg1` definition of the schema uses these properties:
     ...
 </message>
 ```
+
+To avoid an explicit implementation of the function signature the **v7.0** of the [commsdsl2comms](https://github.com/commschamp/commsdsl)
+allows usage of the **&lt;class&gt;.h.&lt;op&gt;_body** files (instead of **&lt;class&gt;.h.&lt;op&gt;** ones) contents
+of which is expected to be only a body of the function without the signature.
+
+- **.read_body** - Overwrites default read function body.
+- **.write_body** - Overwrites default write function body.
+- **.length_body** - Overwrites default serialization length function body.
+- **.valid_body** - Overwrites default validity check function body.
+- **.refresh_body** - Overwrites default refresh function body.
+- **.name_body** - Overwrites default name retrieval function body.
+
+There are multiple **Msg3.h.X_body** files inside [dsl_src/include/tutorial14/message](dsl_src/include/tutorial14/message) folder that
+demonstrate usage of the suffixes above and the injected code finds its way to
+[include/tutorial14/message/Msg3.h](include/tutorial14/message/Msg3.h).
+
 ----
 
 ## Summary

tutorials/tutorial14/dsl/schema.xml

@@ -3,10 +3,12 @@
     <fields>
         <string name="Msg1Name" defaultValue="Message 1" />
         <string name="Msg2Name" defaultValue="Message 2" />
+        <string name="Msg3Name" defaultValue="Message 3" />
 
         <enum name="MsgId" type="uint8" semanticType="messageId">
             <validValue name="M1" val="1" displayName="^Msg1Name" />
             <validValue name="M2" val="2" displayName="^Msg2Name" />
+            <validValue name="M3" val="3" displayName="^Msg3Name" />
         </enum>
 
     </fields>
@@ -45,6 +47,10 @@
 
     <message name="Msg2" id="MsgId.M2" displayName="^Msg2Name">
         <int name="F1" type="uint16" />
-    </message>    
+    </message>  
+
+    <message name="Msg3" id="MsgId.M3" displayName="^Msg3Name">
+        <int name="F1" type="uint32" />
+    </message>        
 
 </schema>

tutorials/tutorial14/dsl_src/include/tutorial14/message/Msg3.h.inc

@@ -0,0 +1 @@
+#include <iostream>

tutorials/tutorial14/dsl_src/include/tutorial14/message/Msg3.h.length_body

@@ -0,0 +1,2 @@
+std::cout << "Call of custom " << __FUNCTION__ << std::endl;
+return Base::doLength();

tutorials/tutorial14/dsl_src/include/tutorial14/message/Msg3.h.read_body

@@ -0,0 +1,2 @@
+std::cout << "Call of custom " << __FUNCTION__ << std::endl;
+return Base::doRead(iter, len);

tutorials/tutorial14/dsl_src/include/tutorial14/message/Msg3.h.refresh_body

@@ -0,0 +1,2 @@
+std::cout << "Call of custom " << __FUNCTION__ << std::endl;
+return Base::doRefresh();

tutorials/tutorial14/dsl_src/include/tutorial14/message/Msg3.h.valid_body

@@ -0,0 +1,2 @@
+std::cout << "Call of custom " << __FUNCTION__ << std::endl;
+return Base::doValid();

tutorials/tutorial14/dsl_src/include/tutorial14/message/Msg3.h.write_body

@@ -0,0 +1,2 @@
+std::cout << "Call of custom " << __FUNCTION__ << std::endl;
+return Base::doWrite(iter, len);

tutorials/tutorial14/include/tutorial14/MsgId.h

@@ -15,11 +15,12 @@ enum MsgId : std::uint8_t
 {
     MsgId_M1 = 1, ///< message id of <b>Message 1</b> message. 
     MsgId_M2 = 2, ///< message id of <b>Message 2</b> message. 
+    MsgId_M3 = 3, ///< message id of <b>Message 3</b> message. 
 
     // --- Extra values generated for convenience ---
     MsgId_FirstValue = 1, ///< First defined value.
-    MsgId_LastValue = 2, ///< Last defined value.
-    MsgId_ValuesLimit = 3, ///< Upper limit for defined values.
+    MsgId_LastValue = 3, ///< Last defined value.
+    MsgId_ValuesLimit = 4, ///< Upper limit for defined values.
 };
 
 } // namespace tutorial14

tutorials/tutorial14/include/tutorial14/dispatch/DispatchClientInputMessage.h

@@ -57,6 +57,11 @@ auto dispatchClientInputMessage(
         using MsgType = tutorial14::message::Msg2<InterfaceType, TProtOptions>;
         return handler.handle(static_cast<MsgType&>(msg));
     }
+    case tutorial14::MsgId_M3:
+    {
+        using MsgType = tutorial14::message::Msg3<InterfaceType, TProtOptions>;
+        return handler.handle(static_cast<MsgType&>(msg));
+    }
     default:
         break;
     };