mirror of https://github.com/pulumi/pulumi.git
118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
// Copyright 2016-2018, Pulumi Corporation. All rights reserved.
|
|
|
|
package config
|
|
|
|
import (
|
|
"encoding/json"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/pulumi/pulumi/pkg/tokens"
|
|
"github.com/pulumi/pulumi/pkg/util/contract"
|
|
)
|
|
|
|
type Key struct {
|
|
namespace string
|
|
name string
|
|
}
|
|
|
|
// MustMakeKey constructs a config.Key for a given namespace and name. The namespace may not contain a `:`
|
|
func MustMakeKey(namespace string, name string) Key {
|
|
contract.Requiref(!strings.Contains(":", namespace), "namespace", "may not contain a colon")
|
|
return Key{namespace: namespace, name: name}
|
|
}
|
|
|
|
func ParseKey(s string) (Key, error) {
|
|
mm, err := tokens.ParseModuleMember(s)
|
|
if err == nil {
|
|
return fromModuleMember(mm)
|
|
}
|
|
if idx := strings.Index(s, ":"); idx > -1 {
|
|
return Key{namespace: s[:idx], name: s[idx+1:]}, nil
|
|
}
|
|
|
|
return Key{}, errors.Errorf("could not parse %s as a configuration key", s)
|
|
}
|
|
|
|
func fromModuleMember(m tokens.ModuleMember) (Key, error) {
|
|
if m.Module().Name() != tokens.ModuleName("config") {
|
|
return Key{}, errors.Errorf("%s is not in config module", m)
|
|
}
|
|
|
|
return Key{
|
|
namespace: m.Module().Package().String(),
|
|
name: m.Name().String(),
|
|
}, nil
|
|
}
|
|
|
|
func (k Key) Namespace() string {
|
|
return k.namespace
|
|
}
|
|
|
|
func (k Key) Name() string {
|
|
return k.name
|
|
}
|
|
|
|
func (k Key) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(k.String())
|
|
}
|
|
|
|
func (k *Key) UnmarshalJSON(b []byte) error {
|
|
var s string
|
|
if err := json.Unmarshal(b, &s); err != nil {
|
|
return errors.Wrap(err, "could not unmarshal key")
|
|
}
|
|
|
|
pk, err := ParseKey(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
k.namespace = pk.namespace
|
|
k.name = pk.name
|
|
return nil
|
|
}
|
|
|
|
func (k Key) MarshalYAML() (interface{}, error) {
|
|
return k.String(), nil
|
|
}
|
|
|
|
func (k *Key) UnmarshalYAML(unmarshal func(interface{}) error) error {
|
|
var s string
|
|
if err := unmarshal(&s); err != nil {
|
|
return errors.Wrap(err, "could not unmarshal key")
|
|
}
|
|
|
|
pk, err := ParseKey(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
k.namespace = pk.namespace
|
|
k.name = pk.name
|
|
return nil
|
|
}
|
|
|
|
func (k Key) String() string {
|
|
return k.namespace + ":" + k.name
|
|
}
|
|
|
|
type KeyArray []Key
|
|
|
|
func (k KeyArray) Len() int {
|
|
return len(k)
|
|
}
|
|
|
|
func (k KeyArray) Less(i int, j int) bool {
|
|
if k[i].namespace != k[j].namespace {
|
|
return strings.Compare(k[i].namespace, k[j].namespace) == -1
|
|
}
|
|
|
|
return strings.Compare(k[i].name, k[j].name) == -1
|
|
}
|
|
|
|
func (k KeyArray) Swap(i int, j int) {
|
|
k[i], k[j] = k[j], k[i]
|
|
}
|