/
config.go
63 lines (53 loc) · 1017 Bytes
/
config.go
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package config
import (
"errors"
"reflect"
)
type Loader func(data []byte) (*Config, error)
func Toml(data []byte) (*Config, error) {
parser, err := loadToml(data)
if err != nil {
return nil, err
}
config := &Config{
parser: parser,
}
return config, nil
}
func Json(data []byte) (*Config, error) {
parser, err := loadJson(data)
if err != nil {
return nil, err
}
config := &Config{
parser: parser,
}
return config, nil
}
type Config struct {
parser Parser
}
// Load 加载一段配置
func (c *Config) Load(field string, f any) error {
rf := reflect.ValueOf(f)
tf := rf.Type()
if tf.NumIn() != 1 {
return errors.New("num in error")
}
if tf.NumOut() != 1 {
return errors.New("num out error")
}
pt := tf.In(0)
pv := reflect.New(pt)
err := c.parser.decode(field, pv.Interface())
if err != nil {
return err
}
out := rf.Call([]reflect.Value{pv.Elem()})
if ierr := out[0].Interface(); ierr != nil {
if err = ierr.(error); err != nil {
return err
}
}
return nil
}