piframe-go/vendor/github.com/knadh/koanf/providers/confmap/confmap.go

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2020-09-03 03:46:55 +00:00
// Package confmap implements a koanf.Provider that takes nested
// and flat map[string]interface{} config maps and provides them
// to koanf.
package confmap
import (
"errors"
"github.com/knadh/koanf/maps"
)
// Confmap implements a raw map[string]interface{} provider.
type Confmap struct {
mp map[string]interface{}
}
// Provider returns a confmap Provider that takes a flat or nested
// map[string]interface{}. If a delim is provided, it indicates that the
// keys are flat and the map needs to be unflatted by delim.
func Provider(mp map[string]interface{}, delim string) *Confmap {
cp := maps.Copy(mp)
maps.IntfaceKeysToStrings(cp)
if delim != "" {
cp = maps.Unflatten(cp, delim)
}
return &Confmap{mp: cp}
}
// ReadBytes is not supported by the env provider.
func (e *Confmap) ReadBytes() ([]byte, error) {
return nil, errors.New("confmap provider does not support this method")
}
// Read returns the loaded map[string]interface{}.
func (e *Confmap) Read() (map[string]interface{}, error) {
return e.mp, nil
}
// Watch is not supported.
func (e *Confmap) Watch(cb func(event interface{}, err error)) error {
return errors.New("confmap provider does not support this method")
}