Draft: API: remove UniqueResult, lower-case at, size for ResultSet

Summary

• Remove UniqueResult
• At and Size are lower-case now (ResultSet, MultiResultSet)

src/ccaosdb.cpp

@@ -50,6 +50,34 @@ extern "C" {
     }                                                                          \
   }
 
+/**
+ * Macro for entity getters
+ */
+#define CAOSDB_ENTITY_GET(element, body_part)                                  \
+  ERROR_RETURN_CODE(                                                           \
+    GENERIC_ERROR,                                                             \
+    int caosdb_entity_entity_get_##element(caosdb_entity_entity *entity,       \
+                                           char *out),                         \
+    {                                                                          \
+      auto *wrapped_entity =                                                   \
+        static_cast<caosdb::entity::Entity *>(entity->wrapped_entity);         \
+      body_part return 0;                                                      \
+    })
+
+/**
+ * Macro for entity setters
+ */
+#define CAOSDB_ENTITY_SET(element, value, body_part)                           \
+  ERROR_RETURN_CODE(                                                           \
+    GENERIC_ERROR,                                                             \
+    int caosdb_entity_entity_set_##element(caosdb_entity_entity *entity,       \
+                                           const char *value),                 \
+    {                                                                          \
+      auto *wrapped_entity =                                                   \
+        static_cast<caosdb::entity::Entity *>(entity->wrapped_entity);         \
+      body_part return 0;                                                      \
+    })
+
 int caosdb_constants_LIBCAOSDB_VERSION_MAJOR() {
   return caosdb::LIBCAOSDB_VERSION_MAJOR;
 }
@@ -334,7 +362,7 @@ ERROR_RETURN_CODE(GENERIC_ERROR,
                       static_cast<caosdb::transaction::Transaction *>(
                         transaction->wrapped_transaction);
                     wrapped_transaction->ExecuteAsynchronously();
-		    auto status = wrapped_transaction->WaitForIt();
+                    auto status = wrapped_transaction->WaitForIt();
                     return status.GetCode();
                   })
 
@@ -394,8 +422,7 @@ ERROR_RETURN_CODE(GENERIC_ERROR,
 
 ERROR_RETURN_CODE(GENERIC_ERROR,
                   int caosdb_entity_create_entity(caosdb_entity_entity *out), {
-                    auto entity = caosdb::entity::Entity();
-                    out->wrapped_entity = (void *)(&entity);
+                    out->wrapped_entity = new caosdb::entity::Entity();
                     return 0;
                   })
 
@@ -405,4 +432,9 @@ ERROR_RETURN_CODE(GENERIC_ERROR,
                       out->wrapped_entity);
                     return 0;
                   })
+
+CAOSDB_ENTITY_GET(id, strcpy(out, wrapped_entity->GetId().c_str());)
+CAOSDB_ENTITY_GET(name, strcpy(out, wrapped_entity->GetName().c_str());)
+
+CAOSDB_ENTITY_SET(name, name, wrapped_entity->SetName(std::string(name));)
 }