Files
golib/progress/bar.go
2020-07-20 12:13:14 +02:00

130 lines
2.5 KiB
Go

/*
* MIT License
*
* Copyright (c) 2020 Nicolas JUHEL
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
package progress
import (
"context"
"github.com/vbauerster/mpb/v5"
. "github.com/nabbar/golib/errors"
sem "github.com/nabbar/golib/semaphore"
)
type bar struct {
u bool
t int64
b *mpb.Bar
s sem.Sem
}
type Bar interface {
Current() int64
Completed() bool
Increment(n int)
Refill(amount int64)
NewWorker() Error
NewWorkerTry() bool
DeferWorker()
DeferMain(dropBar bool)
WaitAll() Error
Context() context.Context
Cancel()
GetBarMPB() *mpb.Bar
}
func newBar(b *mpb.Bar, s sem.Sem, total int64) Bar {
return &bar{
u: total > 0,
t: total,
b: b,
s: s,
}
}
func (b bar) GetBarMPB() *mpb.Bar {
return b.b
}
func (b bar) Current() int64 {
return b.b.Current()
}
func (b bar) Completed() bool {
return b.b.Completed()
}
func (b *bar) Increment(n int) {
if n == 0 {
n = 1
}
b.b.IncrBy(n)
}
func (b *bar) Refill(amount int64) {
b.b.SetRefill(amount)
}
func (b *bar) NewWorker() Error {
if !b.u {
b.t++
b.b.SetTotal(b.t, false)
}
return b.s.NewWorker()
}
func (b *bar) NewWorkerTry() bool {
return b.s.NewWorkerTry()
}
func (b *bar) DeferWorker() {
b.b.Increment()
b.s.DeferWorker()
}
func (b *bar) DeferMain(dropBar bool) {
b.b.Abort(dropBar)
b.s.DeferMain()
}
func (b *bar) WaitAll() Error {
return b.s.WaitAll()
}
func (b bar) Context() context.Context {
return b.s.Context()
}
func (b bar) Cancel() {
b.s.Cancel()
}