gsoap DOM and xsd:anyType
1. In gSoap, xsd:anyType is of type soap_dom_element
2. with gSoap compiler, it is easy to do (de)serialization on C/C++ data structure
--a. set input flag of SOAP to SOAP_DOM_NODE
soap_set_imode(&soap, SOAP_DOM_NODE);
--b. declare the C/C++ data structure in the header file which will be processed by gSoap compiler soapcpp2
typedef float xsd__float;
c. write code to generate the element

int mcws__invokeCode(struct soap* , char *name, 
    struct mcws__invokeCodeResponse &result)
{
    result.ret = 10;
    struct soap soap;
    soap_init(&soap);
    soap_set_imode(&soap, SOAP_DOM_NODE);
    xsd__float f = 12.34;
    //xsd__float type is available, and the xsi:type attribute is present
    //or element tag matches the type name
    soap_dom_element retVal(&soap, NULL, "float", &f, SOAP_TYPE_xsd__float);
    result.value = retVal;
    cout << retVal;
    return SOAP_OK;
}

struct mcws__invokeCodeResponse {
   xsd__anyType value;
   int ret;
};

--c. On the other end,we also need to tell gSoap

   soap_set_imode(&soap, SOAP_DOM_NODE);
   //let gSOAP do C/C++ serialization/de-serialization
   struct mcws__invokeCodeResponse retVal;
   xsd__float f;
   char* name="eval";

   if (soap_call_mcws__invokeCode(&soap, 
       "http://localhost:20065", 
       NULL, name, retVal) == SOAP_OK)
   {
      soap_dom_iterator walker=retVal.value.find(SOAP_TYPE_xsd__float);
      for (;walker!=retVal.value.end();++walker)
      {
          //gSOAP will do the magic here 
          f = *((xsd__float*)(*walker).node);
      }

   }

- posted by Pop @ 10:38 AM