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authorMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
committerMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
commita031b83a09a8628435317a03f199cdc18b78262f (patch)
treebc017a96769ce6de33745b8b0b1304ccf38e9df0 /vendor/gopkg.in/cheggaaa/pb.v1/format.go
parent2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff)
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Initial checkin from CRI-O repo
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Diffstat (limited to 'vendor/gopkg.in/cheggaaa/pb.v1/format.go')
-rw-r--r--vendor/gopkg.in/cheggaaa/pb.v1/format.go87
1 files changed, 87 insertions, 0 deletions
diff --git a/vendor/gopkg.in/cheggaaa/pb.v1/format.go b/vendor/gopkg.in/cheggaaa/pb.v1/format.go
new file mode 100644
index 000000000..d5aeff793
--- /dev/null
+++ b/vendor/gopkg.in/cheggaaa/pb.v1/format.go
@@ -0,0 +1,87 @@
+package pb
+
+import (
+ "fmt"
+ "strings"
+ "time"
+)
+
+type Units int
+
+const (
+ // U_NO are default units, they represent a simple value and are not formatted at all.
+ U_NO Units = iota
+ // U_BYTES units are formatted in a human readable way (b, Bb, Mb, ...)
+ U_BYTES
+ // U_DURATION units are formatted in a human readable way (3h14m15s)
+ U_DURATION
+)
+
+func Format(i int64) *formatter {
+ return &formatter{n: i}
+}
+
+type formatter struct {
+ n int64
+ unit Units
+ width int
+ perSec bool
+}
+
+func (f *formatter) Value(n int64) *formatter {
+ f.n = n
+ return f
+}
+
+func (f *formatter) To(unit Units) *formatter {
+ f.unit = unit
+ return f
+}
+
+func (f *formatter) Width(width int) *formatter {
+ f.width = width
+ return f
+}
+
+func (f *formatter) PerSec() *formatter {
+ f.perSec = true
+ return f
+}
+
+func (f *formatter) String() (out string) {
+ switch f.unit {
+ case U_BYTES:
+ out = formatBytes(f.n)
+ case U_DURATION:
+ d := time.Duration(f.n)
+ if d > time.Hour*24 {
+ out = fmt.Sprintf("%dd", d/24/time.Hour)
+ d -= (d / time.Hour / 24) * (time.Hour * 24)
+ }
+ out = fmt.Sprintf("%s%v", out, d)
+ default:
+ out = fmt.Sprintf(fmt.Sprintf("%%%dd", f.width), f.n)
+ }
+ if f.perSec {
+ out += "/s"
+ }
+ return
+}
+
+// Convert bytes to human readable string. Like a 2 MB, 64.2 KB, 52 B
+func formatBytes(i int64) (result string) {
+ switch {
+ case i > (1024 * 1024 * 1024 * 1024):
+ result = fmt.Sprintf("%.02f TB", float64(i)/1024/1024/1024/1024)
+ case i > (1024 * 1024 * 1024):
+ result = fmt.Sprintf("%.02f GB", float64(i)/1024/1024/1024)
+ case i > (1024 * 1024):
+ result = fmt.Sprintf("%.02f MB", float64(i)/1024/1024)
+ case i > 1024:
+ result = fmt.Sprintf("%.02f KB", float64(i)/1024)
+ default:
+ result = fmt.Sprintf("%d B", i)
+ }
+ result = strings.Trim(result, " ")
+ return
+}