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notice_types.go
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/
notice_types.go
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/*
Nging is a toolbox for webmasters
Copyright (C) 2018-present Wenhui Shen <swh@admpub.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package notice
import (
"sync"
)
func newNoticeTypes() *noticeTypes {
return ¬iceTypes{types: map[string]bool{}}
}
type noticeTypes struct {
types map[string]bool
lock sync.RWMutex
}
func (n *noticeTypes) Has(types ...string) bool {
n.lock.RLock()
defer n.lock.RUnlock()
for _, typ := range types {
if !n.types[typ] {
return false
}
}
return true
}
func (n *noticeTypes) Size() int {
n.lock.RLock()
size := len(n.types)
n.lock.RUnlock()
return size
}
func (n *noticeTypes) Clear(types ...string) {
n.lock.Lock()
if len(types) > 0 {
for _, typ := range types {
_, ok := n.types[typ]
if !ok {
continue
}
delete(n.types, typ)
}
} else {
for typ := range n.types {
delete(n.types, typ)
}
}
n.lock.Unlock()
}
func (n *noticeTypes) Open(types ...string) {
n.lock.Lock()
if len(types) > 0 {
for _, typ := range types {
if opened := n.types[typ]; !opened {
n.types[typ] = true
}
}
} else {
for key := range n.types {
if opened := n.types[key]; !opened {
n.types[key] = true
}
}
}
n.lock.Unlock()
}