ryanc/lume
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calculate column widths with less looping

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This commit is contained in:
Ryan Cavicchioni 2020-03-24 01:31:31 -05:00
parent 7d8e5f8b92
commit f31fc298cd
Signed by: ryanc
GPG Key ID: 877EEDAF9245103D
1 changed files with 37 additions and 51 deletions
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88
cmd/lume.go
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@ -14,6 +14,15 @@ import (
"git.kill0.net/chill9/go-lifx" "git.kill0.net/chill9/go-lifx"
) )
var (
idWidth int = 0
locationWidth int = 0
groupWidth int = 0
labelWidth int = 0
lastSeenWidth int = 0
powerWidth int = 0
)
type Flags struct { type Flags struct {
*flag.FlagSet *flag.FlagSet
} }
@ -79,16 +88,17 @@ func main() {
fmt.Println(err) fmt.Println(err)
os.Exit(1) os.Exit(1)
} }
calculateWidths(lights)
fmt.Printf("total %d\n", len(lights)) fmt.Printf("total %d\n", len(lights))
for _, l := range lights { for _, l := range lights {
fmt.Printf( fmt.Printf(
"%*s %*s %*s %*s %*s %-*s\n", "%*s %*s %*s %*s %*s %-*s\n",
IdLen(lights), l.Id, idWidth, l.Id,
LocationLen(lights), l.Location.Name, locationWidth, l.Location.Name,
GroupLen(lights), l.Group.Name, groupWidth, l.Group.Name,
LabelLen(lights), l.Label, labelWidth, l.Label,
LastSeenLen(lights), l.LastSeen.Local().Format(time.RFC3339), lastSeenWidth, l.LastSeen.Local().Format(time.RFC3339),
PowerLen(lights), PowerColor(l.Power), powerWidth, PowerColor(l.Power),
) )
} }
case "set-state": case "set-state":
@ -169,64 +179,40 @@ func main() {
} }
} }
func IdLen(lights []lifx.Light) int { func calculateWidths(lights []lifx.Light) {
var length int var length int
for _, l := range lights {
if len(l.Id) > length {
length = len(l.Id)
}
}
return length
}
func LocationLen(lights []lifx.Light) int {
var length int
for _, l := range lights { for _, l := range lights {
if len(l.Location.Name) > length { length = len(l.Id)
length = len(l.Location.Name) if idWidth < length {
idWidth = length
} }
}
return length
}
func GroupLen(lights []lifx.Light) int { length = len(l.Location.Name)
var length int if locationWidth < length {
for _, l := range lights { locationWidth = length
if len(l.Group.Name) > length {
length = len(l.Group.Name)
} }
}
return length
}
func LabelLen(lights []lifx.Light) int { length = len(l.Group.Name)
var length int if groupWidth < length {
for _, l := range lights { groupWidth = length
if len(l.Label) > length {
length = len(l.Label)
} }
}
return length
}
func LastSeenLen(lights []lifx.Light) int { length = len(l.Label)
var length int if labelWidth < length {
for _, l := range lights { labelWidth = length
if len(l.LastSeen.Local().Format(time.RFC3339)) > length {
length = len(l.LastSeen.Local().Format(time.RFC3339))
} }
}
return length
}
func PowerLen(lights []lifx.Light) int { length = len(l.LastSeen.Local().Format(time.RFC3339))
var length int if lastSeenWidth < length {
for _, l := range lights { lastSeenWidth = length
if len(l.Power) > length { }
length = len(l.Power)
length = len(l.Power)
if powerWidth < length {
powerWidth = length
} }
} }
return length
} }
func PowerColor(s string) string { func PowerColor(s string) string {