46 lines
942 B
Go
46 lines
942 B
Go
// Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
|
|
// released under the MIT license
|
|
|
|
package caps
|
|
|
|
import "sync"
|
|
|
|
// Values holds capability values.
|
|
type Values struct {
|
|
sync.RWMutex
|
|
// values holds our actual capability values.
|
|
values map[Capability]string
|
|
}
|
|
|
|
// NewValues returns a new Values.
|
|
func NewValues() *Values {
|
|
return &Values{
|
|
values: make(map[Capability]string),
|
|
}
|
|
}
|
|
|
|
// Set sets the value for the given capability.
|
|
func (v *Values) Set(capab Capability, value string) {
|
|
v.Lock()
|
|
defer v.Unlock()
|
|
|
|
v.values[capab] = value
|
|
}
|
|
|
|
// Unset removes the value for the given capability, if it exists.
|
|
func (v *Values) Unset(capab Capability) {
|
|
v.Lock()
|
|
defer v.Unlock()
|
|
|
|
delete(v.values, capab)
|
|
}
|
|
|
|
// Get returns the value of the given capability, and whether one exists.
|
|
func (v *Values) Get(capab Capability) (string, bool) {
|
|
v.RLock()
|
|
defer v.RUnlock()
|
|
|
|
value, exists := v.values[capab]
|
|
return value, exists
|
|
}
|