piframe-go/vendor/github.com/knadh/koanf/interfaces.go
2020-09-02 23:46:55 -04:00

26 lines
992 B
Go

package koanf
// Provider represents a configuration provider. Providers can
// read configuration from a source (file, HTTP etc.)
type Provider interface {
// Read returns the entire configuration as raw []bytes to be parsed.
// with a Parser.
ReadBytes() ([]byte, error)
// Read returns the prased configuration as a nested map[string]interface{}.
// It is important to note that the string keys should not be flat delimited
// keys like `parent.child.key`, but nested like `{parent: {child: {key: 1}}}`.
Read() (map[string]interface{}, error)
// Watch watches the source for changes, for instance, changes to a file,
// and invokes a callback with an `event` interface, which a provider
// is free to substitute with its own type, including nil.
Watch(func(event interface{}, err error)) error
}
// Parser represents a configuration format parser.
type Parser interface {
Unmarshal([]byte) (map[string]interface{}, error)
Marshal(map[string]interface{}) ([]byte, error)
}