diff options
Diffstat (limited to 'vendor/gopkg.in/cheggaaa/pb.v1/pb.go')
-rw-r--r-- | vendor/gopkg.in/cheggaaa/pb.v1/pb.go | 503 |
1 files changed, 0 insertions, 503 deletions
diff --git a/vendor/gopkg.in/cheggaaa/pb.v1/pb.go b/vendor/gopkg.in/cheggaaa/pb.v1/pb.go deleted file mode 100644 index e03291b89..000000000 --- a/vendor/gopkg.in/cheggaaa/pb.v1/pb.go +++ /dev/null @@ -1,503 +0,0 @@ -// Simple console progress bars -package pb - -import ( - "fmt" - "io" - "math" - "strings" - "sync" - "sync/atomic" - "time" - "unicode/utf8" -) - -// Current version -const Version = "1.0.27" - -const ( - // Default refresh rate - 200ms - DEFAULT_REFRESH_RATE = time.Millisecond * 200 - FORMAT = "[=>-]" -) - -// DEPRECATED -// variables for backward compatibility, from now do not work -// use pb.Format and pb.SetRefreshRate -var ( - DefaultRefreshRate = DEFAULT_REFRESH_RATE - BarStart, BarEnd, Empty, Current, CurrentN string -) - -// Create new progress bar object -func New(total int) *ProgressBar { - return New64(int64(total)) -} - -// Create new progress bar object using int64 as total -func New64(total int64) *ProgressBar { - pb := &ProgressBar{ - Total: total, - RefreshRate: DEFAULT_REFRESH_RATE, - ShowPercent: true, - ShowCounters: true, - ShowBar: true, - ShowTimeLeft: true, - ShowElapsedTime: false, - ShowFinalTime: true, - Units: U_NO, - ManualUpdate: false, - finish: make(chan struct{}), - } - return pb.Format(FORMAT) -} - -// Create new object and start -func StartNew(total int) *ProgressBar { - return New(total).Start() -} - -// Callback for custom output -// For example: -// bar.Callback = func(s string) { -// mySuperPrint(s) -// } -// -type Callback func(out string) - -type ProgressBar struct { - current int64 // current must be first member of struct (https://code.google.com/p/go/issues/detail?id=5278) - previous int64 - - Total int64 - RefreshRate time.Duration - ShowPercent, ShowCounters bool - ShowSpeed, ShowTimeLeft, ShowBar bool - ShowFinalTime, ShowElapsedTime bool - Output io.Writer - Callback Callback - NotPrint bool - Units Units - Width int - ForceWidth bool - ManualUpdate bool - AutoStat bool - - // Default width for the time box. - UnitsWidth int - TimeBoxWidth int - - finishOnce sync.Once //Guards isFinish - finish chan struct{} - isFinish bool - - startTime time.Time - startValue int64 - - changeTime time.Time - - prefix, postfix string - - mu sync.Mutex - lastPrint string - - BarStart string - BarEnd string - Empty string - Current string - CurrentN string - - AlwaysUpdate bool -} - -// Start print -func (pb *ProgressBar) Start() *ProgressBar { - pb.startTime = time.Now() - pb.startValue = atomic.LoadInt64(&pb.current) - if atomic.LoadInt64(&pb.Total) == 0 { - pb.ShowTimeLeft = false - pb.ShowPercent = false - pb.AutoStat = false - } - if !pb.ManualUpdate { - pb.Update() // Initial printing of the bar before running the bar refresher. - go pb.refresher() - } - return pb -} - -// Increment current value -func (pb *ProgressBar) Increment() int { - return pb.Add(1) -} - -// Get current value -func (pb *ProgressBar) Get() int64 { - c := atomic.LoadInt64(&pb.current) - return c -} - -// Set current value -func (pb *ProgressBar) Set(current int) *ProgressBar { - return pb.Set64(int64(current)) -} - -// Set64 sets the current value as int64 -func (pb *ProgressBar) Set64(current int64) *ProgressBar { - atomic.StoreInt64(&pb.current, current) - return pb -} - -// Add to current value -func (pb *ProgressBar) Add(add int) int { - return int(pb.Add64(int64(add))) -} - -func (pb *ProgressBar) Add64(add int64) int64 { - return atomic.AddInt64(&pb.current, add) -} - -// Set prefix string -func (pb *ProgressBar) Prefix(prefix string) *ProgressBar { - pb.mu.Lock() - defer pb.mu.Unlock() - pb.prefix = prefix - return pb -} - -// Set postfix string -func (pb *ProgressBar) Postfix(postfix string) *ProgressBar { - pb.mu.Lock() - defer pb.mu.Unlock() - pb.postfix = postfix - return pb -} - -// Set custom format for bar -// Example: bar.Format("[=>_]") -// Example: bar.Format("[\x00=\x00>\x00-\x00]") // \x00 is the delimiter -func (pb *ProgressBar) Format(format string) *ProgressBar { - var formatEntries []string - if utf8.RuneCountInString(format) == 5 { - formatEntries = strings.Split(format, "") - } else { - formatEntries = strings.Split(format, "\x00") - } - if len(formatEntries) == 5 { - pb.BarStart = formatEntries[0] - pb.BarEnd = formatEntries[4] - pb.Empty = formatEntries[3] - pb.Current = formatEntries[1] - pb.CurrentN = formatEntries[2] - } - return pb -} - -// Set bar refresh rate -func (pb *ProgressBar) SetRefreshRate(rate time.Duration) *ProgressBar { - pb.RefreshRate = rate - return pb -} - -// Set units -// bar.SetUnits(U_NO) - by default -// bar.SetUnits(U_BYTES) - for Mb, Kb, etc -func (pb *ProgressBar) SetUnits(units Units) *ProgressBar { - pb.Units = units - return pb -} - -// Set max width, if width is bigger than terminal width, will be ignored -func (pb *ProgressBar) SetMaxWidth(width int) *ProgressBar { - pb.Width = width - pb.ForceWidth = false - return pb -} - -// Set bar width -func (pb *ProgressBar) SetWidth(width int) *ProgressBar { - pb.Width = width - pb.ForceWidth = true - return pb -} - -// End print -func (pb *ProgressBar) Finish() { - //Protect multiple calls - pb.finishOnce.Do(func() { - close(pb.finish) - pb.write(atomic.LoadInt64(&pb.Total), atomic.LoadInt64(&pb.current)) - pb.mu.Lock() - defer pb.mu.Unlock() - switch { - case pb.Output != nil: - fmt.Fprintln(pb.Output) - case !pb.NotPrint: - fmt.Println() - } - pb.isFinish = true - }) -} - -// IsFinished return boolean -func (pb *ProgressBar) IsFinished() bool { - pb.mu.Lock() - defer pb.mu.Unlock() - return pb.isFinish -} - -// End print and write string 'str' -func (pb *ProgressBar) FinishPrint(str string) { - pb.Finish() - if pb.Output != nil { - fmt.Fprintln(pb.Output, str) - } else { - fmt.Println(str) - } -} - -// implement io.Writer -func (pb *ProgressBar) Write(p []byte) (n int, err error) { - n = len(p) - pb.Add(n) - return -} - -// implement io.Reader -func (pb *ProgressBar) Read(p []byte) (n int, err error) { - n = len(p) - pb.Add(n) - return -} - -// Create new proxy reader over bar -// Takes io.Reader or io.ReadCloser -func (pb *ProgressBar) NewProxyReader(r io.Reader) *Reader { - return &Reader{r, pb} -} - -func (pb *ProgressBar) write(total, current int64) { - pb.mu.Lock() - defer pb.mu.Unlock() - width := pb.GetWidth() - - var percentBox, countersBox, timeLeftBox, timeSpentBox, speedBox, barBox, end, out string - - // percents - if pb.ShowPercent { - var percent float64 - if total > 0 { - percent = float64(current) / (float64(total) / float64(100)) - } else { - percent = float64(current) / float64(100) - } - percentBox = fmt.Sprintf(" %6.02f%%", percent) - } - - // counters - if pb.ShowCounters { - current := Format(current).To(pb.Units).Width(pb.UnitsWidth) - if total > 0 { - totalS := Format(total).To(pb.Units).Width(pb.UnitsWidth) - countersBox = fmt.Sprintf(" %s / %s ", current, totalS) - } else { - countersBox = fmt.Sprintf(" %s / ? ", current) - } - } - - // time left - currentFromStart := current - pb.startValue - fromStart := time.Now().Sub(pb.startTime) - lastChangeTime := pb.changeTime - fromChange := lastChangeTime.Sub(pb.startTime) - - if pb.ShowElapsedTime { - timeSpentBox = fmt.Sprintf(" %s ", (fromStart/time.Second)*time.Second) - } - - select { - case <-pb.finish: - if pb.ShowFinalTime { - var left time.Duration - left = (fromStart / time.Second) * time.Second - timeLeftBox = fmt.Sprintf(" %s", left.String()) - } - default: - if pb.ShowTimeLeft && currentFromStart > 0 { - perEntry := fromChange / time.Duration(currentFromStart) - var left time.Duration - if total > 0 { - left = time.Duration(total-currentFromStart) * perEntry - left -= time.Since(lastChangeTime) - left = (left / time.Second) * time.Second - } else { - left = time.Duration(currentFromStart) * perEntry - left = (left / time.Second) * time.Second - } - if left > 0 { - timeLeft := Format(int64(left)).To(U_DURATION).String() - timeLeftBox = fmt.Sprintf(" %s", timeLeft) - } - } - } - - if len(timeLeftBox) < pb.TimeBoxWidth { - timeLeftBox = fmt.Sprintf("%s%s", strings.Repeat(" ", pb.TimeBoxWidth-len(timeLeftBox)), timeLeftBox) - } - - // speed - if pb.ShowSpeed && currentFromStart > 0 { - fromStart := time.Now().Sub(pb.startTime) - speed := float64(currentFromStart) / (float64(fromStart) / float64(time.Second)) - speedBox = " " + Format(int64(speed)).To(pb.Units).Width(pb.UnitsWidth).PerSec().String() - } - - barWidth := escapeAwareRuneCountInString(countersBox + pb.BarStart + pb.BarEnd + percentBox + timeSpentBox + timeLeftBox + speedBox + pb.prefix + pb.postfix) - // bar - if pb.ShowBar { - size := width - barWidth - if size > 0 { - if total > 0 { - curSize := int(math.Ceil((float64(current) / float64(total)) * float64(size))) - emptySize := size - curSize - barBox = pb.BarStart - if emptySize < 0 { - emptySize = 0 - } - if curSize > size { - curSize = size - } - - cursorLen := escapeAwareRuneCountInString(pb.Current) - if emptySize <= 0 { - barBox += strings.Repeat(pb.Current, curSize/cursorLen) - } else if curSize > 0 { - cursorEndLen := escapeAwareRuneCountInString(pb.CurrentN) - cursorRepetitions := (curSize - cursorEndLen) / cursorLen - barBox += strings.Repeat(pb.Current, cursorRepetitions) - barBox += pb.CurrentN - } - - emptyLen := escapeAwareRuneCountInString(pb.Empty) - barBox += strings.Repeat(pb.Empty, emptySize/emptyLen) - barBox += pb.BarEnd - } else { - pos := size - int(current)%int(size) - barBox = pb.BarStart - if pos-1 > 0 { - barBox += strings.Repeat(pb.Empty, pos-1) - } - barBox += pb.Current - if size-pos-1 > 0 { - barBox += strings.Repeat(pb.Empty, size-pos-1) - } - barBox += pb.BarEnd - } - } - } - - // check len - out = pb.prefix + timeSpentBox + countersBox + barBox + percentBox + speedBox + timeLeftBox + pb.postfix - - if cl := escapeAwareRuneCountInString(out); cl < width { - end = strings.Repeat(" ", width-cl) - } - - // and print! - pb.lastPrint = out + end - isFinish := pb.isFinish - - switch { - case isFinish: - return - case pb.Output != nil: - fmt.Fprint(pb.Output, "\r"+out+end) - case pb.Callback != nil: - pb.Callback(out + end) - case !pb.NotPrint: - fmt.Print("\r" + out + end) - } -} - -// GetTerminalWidth - returns terminal width for all platforms. -func GetTerminalWidth() (int, error) { - return terminalWidth() -} - -func (pb *ProgressBar) GetWidth() int { - if pb.ForceWidth { - return pb.Width - } - - width := pb.Width - termWidth, _ := terminalWidth() - if width == 0 || termWidth <= width { - width = termWidth - } - - return width -} - -// Write the current state of the progressbar -func (pb *ProgressBar) Update() { - c := atomic.LoadInt64(&pb.current) - p := atomic.LoadInt64(&pb.previous) - t := atomic.LoadInt64(&pb.Total) - if p != c { - pb.mu.Lock() - pb.changeTime = time.Now() - pb.mu.Unlock() - atomic.StoreInt64(&pb.previous, c) - } - pb.write(t, c) - if pb.AutoStat { - if c == 0 { - pb.startTime = time.Now() - pb.startValue = 0 - } else if c >= t && pb.isFinish != true { - pb.Finish() - } - } -} - -// String return the last bar print -func (pb *ProgressBar) String() string { - pb.mu.Lock() - defer pb.mu.Unlock() - return pb.lastPrint -} - -// SetTotal atomically sets new total count -func (pb *ProgressBar) SetTotal(total int) *ProgressBar { - return pb.SetTotal64(int64(total)) -} - -// SetTotal64 atomically sets new total count -func (pb *ProgressBar) SetTotal64(total int64) *ProgressBar { - atomic.StoreInt64(&pb.Total, total) - return pb -} - -// Reset bar and set new total count -// Does effect only on finished bar -func (pb *ProgressBar) Reset(total int) *ProgressBar { - pb.mu.Lock() - defer pb.mu.Unlock() - if pb.isFinish { - pb.SetTotal(total).Set(0) - atomic.StoreInt64(&pb.previous, 0) - } - return pb -} - -// Internal loop for refreshing the progressbar -func (pb *ProgressBar) refresher() { - for { - select { - case <-pb.finish: - return - case <-time.After(pb.RefreshRate): - pb.Update() - } - } -} |