struct: Support reflect from struct with non-anonymous structure poin…

…ter (#259)

Co-authored-by: ᴜɴᴋɴᴡᴏɴ <u@gogs.io>

Co-authored-by: ᴜɴᴋɴᴡᴏɴ <u@gogs.io>

struct.go

@@ -595,7 +595,7 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 			continue
 		}
 
-		if (tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous) ||
+		if (tpField.Type.Kind() == reflect.Ptr && tpField.Type.Elem().Kind() == reflect.Struct) ||
 			(tpField.Type.Kind() == reflect.Struct && tpField.Type.Name() != "Time") {
 			// Note: The only error here is section doesn't exist.
 			sec, err := s.f.GetSection(fieldName)

struct_test.go

@@ -554,6 +554,39 @@ None        =
 last_name  = Doe
 omitempty  = 9
 
+`)
+		})
+
+		Convey("Reflect from struct with non-anonymous structure pointer", func() {
+			cfg := ini.Empty()
+			type Rpc struct {
+				Enable  bool   `ini:"enable"`
+				Type    string `ini:"type"`
+				Address string `ini:"addr"`
+				Name    string `ini:"name"`
+			}
+			type Cfg struct {
+				Rpc *Rpc `ini:"rpc"`
+			}
+
+			config := &Cfg{
+				Rpc: &Rpc{
+					Enable:  true,
+					Type:    "type",
+					Address: "address",
+					Name:    "name",
+				},
+			}
+			So(cfg.ReflectFrom(config), ShouldBeNil)
+
+			var buf bytes.Buffer
+			_, err = cfg.WriteTo(&buf)
+			So(buf.String(), ShouldEqual, `[rpc]
+enable = true
+type   = type
+addr   = address
+name   = name
+
 `)
 		})
 	})