update ObjectStatus & ObjectPolicy

src/kiwano/base/ObjectBase.cpp

@@ -32,7 +32,7 @@ namespace
 bool                  tracing_leaks = false;
 Vector<ObjectBase*>   tracing_objects;
 std::atomic<uint64_t> last_object_id = 0;
-ObjectPolicyFunc      object_policy_ = ObjectPolicy::ErrorLog();
+ObjectPolicyFunc      object_policy_ = ObjectPolicy::Exception();
 
 }  // namespace
 
@@ -49,33 +49,33 @@ char const* ObjectFailException::what() const
     return status_.msg.empty() ? "Object operation failed" : status_.msg.c_str();
 }
 
-ObjectPolicyFunc ObjectPolicy::WarnLog()
+ObjectPolicyFunc ObjectPolicy::WarnLog(int threshold)
 {
-    return [](ObjectBase* obj, const ObjectStatus& status)
+    return [=](ObjectBase* obj, const ObjectStatus& status)
     {
-        if (!obj->IsValid())
+        if (!obj->IsValid() || status.code <= threshold)
         {
             KGE_WARNF("Object operation failed: obj(%p), code(%d), msg(%s)", obj, status.code, status.msg.c_str());
         }
     };
 }
 
-ObjectPolicyFunc ObjectPolicy::ErrorLog()
+ObjectPolicyFunc ObjectPolicy::ErrorLog(int threshold)
 {
-    return [](ObjectBase* obj, const ObjectStatus& status)
+    return [=](ObjectBase* obj, const ObjectStatus& status)
     {
-        if (!obj->IsValid())
+        if (!obj->IsValid() || status.code <= threshold)
         {
             KGE_ERRORF("Object operation failed: obj(%p), code(%d), msg(%s)", obj, status.code, status.msg.c_str());
         }
     };
 }
 
-ObjectPolicyFunc ObjectPolicy::Exception()
+ObjectPolicyFunc ObjectPolicy::Exception(int threshold)
 {
-    return [](ObjectBase* obj, const ObjectStatus& status)
+    return [=](ObjectBase* obj, const ObjectStatus& status)
     {
-        if (!obj->IsValid())
+        if (!obj->IsValid() || status.code <= threshold)
         {
             throw ObjectFailException(obj, status);
         }
@@ -86,6 +86,7 @@ ObjectBase::ObjectBase()
     : tracing_leak_(false)
     , name_(nullptr)
     , user_data_(nullptr)
+    , status_(nullptr)
     , id_(++last_object_id)
 {
 #ifdef KGE_DEBUG
@@ -101,6 +102,8 @@ ObjectBase::~ObjectBase()
         name_ = nullptr;
     }
 
+    ClearStatus();
+
 #ifdef KGE_DEBUG
     ObjectBase::RemoveObjectFromTracingList(this);
 #endif
@@ -151,24 +154,29 @@ void ObjectBase::DoDeserialize(Deserializer* deserializer)
 
 bool ObjectBase::IsValid() const
 {
-    return status_.Success();
+    return status_ ? status_->Success() : true;
 }
 
-ObjectStatus ObjectBase::GetStatus() const
+ObjectStatus* ObjectBase::GetStatus() const
 {
     return status_;
 }
 
 void ObjectBase::SetStatus(const ObjectStatus& status)
 {
-    status_.msg = status.msg;
+    if (!status_)
-    if (status_.code != status.code)
     {
-        status_.code = status.code;
+        status_ = new ObjectStatus;
+    }
+
+    status_->msg = status.msg;
+    if (status_->code != status.code)
+    {
+        status_->code = status.code;
 
         if (object_policy_)
         {
-            object_policy_(this, status_);
+            object_policy_(this, *status_);
         }
     }
 }
@@ -180,7 +188,11 @@ void ObjectBase::Fail(const String& msg, int code)
 
 void ObjectBase::ClearStatus()
 {
-    status_ = ObjectStatus{};
+    if (status_)
+    {
+        delete status_;
+        status_ = nullptr;
+    }
 }
 
 void ObjectBase::SetObjectPolicy(const ObjectPolicyFunc& policy)

src/kiwano/base/ObjectBase.h

@@ -102,15 +102,21 @@ struct ObjectPolicy
 
     /// \~chinese
     /// @brief 在对象状态变为失败时打印警告日志
-    static ObjectPolicyFunc WarnLog();
+    /// @param threshold 触发阈值
+    /// @return 对象处理策略方法
+    static ObjectPolicyFunc WarnLog(int threshold = ObjectStatus::fail);
 
     /// \~chinese
-    /// @brief 在对象状态变为失败时打印错误日志（默认策略）
+    /// @brief 在对象状态变为失败时打印错误日志
-    static ObjectPolicyFunc ErrorLog();
+    /// @param threshold 触发阈值
+    /// @return 对象处理策略方法
+    static ObjectPolicyFunc ErrorLog(int threshold = ObjectStatus::fail);
 
     /// \~chinese
-    /// @brief 在对象状态变为失败时抛出 ObjectFailException
+    /// @brief 在对象状态变为失败时抛出 ObjectFailException（默认策略）
-    static ObjectPolicyFunc Exception();
+    /// @param threshold 触发阈值
+    /// @return 对象处理策略方法
+    static ObjectPolicyFunc Exception(int threshold = ObjectStatus::fail);
 };
 
 /**
@@ -167,7 +173,7 @@ public:
 
     /// \~chinese
     /// @brief 获取对象状态
-    ObjectStatus GetStatus() const;
+    ObjectStatus* GetStatus() const;
 
     /// \~chinese
     /// @brief 设置对象状态
@@ -218,7 +224,7 @@ private:
     String* name_;
     void*   user_data_;
 
-    ObjectStatus status_;
+    ObjectStatus* status_;
 };
 
 inline String ObjectBase::GetName() const