eolian: add API to get the C class datatype

src/lib/eolian/Eolian.h

@@ -1308,6 +1308,24 @@ EAPI Eina_Stringshare *eolian_class_c_get_function_name_get(const Eolian_Class *
  */
 EAPI Eina_Stringshare *eolian_class_c_name_get(const Eolian_Class *klass);
 
+/*
+ * @brief Get the C data type of the class.
+ *
+ * @param[in] klass the class
+ * @return the C data type
+ *
+ * This will sanitize the data type of the class for C usage; if it's "null",
+ * this returns "void"; if it's actually explicitly set, it returns the sanitized
+ * version of the string, otherwise it returns Class_Name_Data. Keep in mind that
+ * this does not add an asterisk (it doesn't return a pointer type name). You're
+ * responsible for the stringshare afterwards.
+ *
+ * @see eolian_class_c_get_function_name_get
+ *
+ * @ingroup Eolian
+ */
+EAPI Eina_Stringshare *eolian_class_c_data_type_get(const Eolian_Class *klass);
+
 /*
  * @brief Get an alias type declaration by name. Supports namespaces.
  *

src/lib/eolian/database_class_api.c

@@ -239,3 +239,19 @@ eolian_class_c_name_get(const Eolian_Class *cl)
    eina_strbuf_free(buf);
    return ret;
 }
+
+EAPI Eina_Stringshare *
+eolian_class_c_data_type_get(const Eolian_Class *cl)
+{
+   char buf[512];
+   EINA_SAFETY_ON_NULL_RETURN_VAL(cl, NULL);
+   if (!cl->data_type)
+     snprintf(buf, sizeof(buf), "%s_Data", cl->full_name);
+   else if (!strcmp(cl->data_type, "null"))
+     return eina_stringshare_add("void");
+   else
+     snprintf(buf, sizeof(buf), "%s", cl->data_type);
+   for (char *p = strchr(buf, '.'); p; p = strchr(p, '.'))
+     *p = '_';
+   return eina_stringshare_add(buf);
+}

src/tests/eolian/eolian_parsing.c

@@ -556,6 +556,9 @@ START_TEST(eolian_simple_parsing)
    fail_if(strcmp(eolian_class_legacy_prefix_get(class), "evas_object_simple"));
    fail_if(strcmp(eolian_class_eo_prefix_get(class), "efl_canvas_object_simple"));
    fail_if(strcmp(eolian_class_data_type_get(class), "Evas_Simple_Data"));
+   Eina_Stringshare *dt = eolian_class_c_data_type_get(class);
+   fail_if(strcmp(dt, "Evas_Simple_Data"));
+   eina_stringshare_del(dt);
 
    /* c get func */
    fail_if(!(string = eolian_class_c_get_function_name_get(class)));