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Change way to calculate offset

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This commit is contained in:
Naveen Gogineni 2022-08-24 09:12:05 -04:00 committed by Dan Buch
parent b539ee7dc6
commit d89bc4a6e2
Signed by: meatballhat
GPG Key ID: A12F782281063434
2 changed files with 32 additions and 10 deletions
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34
help.go
View File

@ -295,12 +295,15 @@ func printHelpCustom(out io.Writer, templ string, data interface{}, customFuncs
const maxLineLength = 10000
funcMap := template.FuncMap{
"join": strings.Join,
"indent": indent,
"nindent": nindent,
"trim": strings.TrimSpace,
"wrap": func(input string, offset int) string { return wrap(input, offset, maxLineLength) },
"offset": offset,
"join": strings.Join,
"subtract": subtract,
"add": add,
"indent": indent,
"nindent": nindent,
"trim": strings.TrimSpace,
"wrap": func(input string, offset int) string { return wrap(input, offset, maxLineLength) },
"offset": offset,
"offsetCommands": offsetCommands,
}
if customFuncs["wrapAt"] != nil {
@ -416,6 +419,14 @@ func checkCommandCompletions(c *Context, name string) bool {
return true
}
func subtract(a, b int) int {
return a - b
}
func add(a, b int) int {
return a + b
}
func indent(spaces int, v string) string {
pad := strings.Repeat(" ", spaces)
return pad + strings.Replace(v, "\n", "\n"+pad, -1)
@ -476,3 +487,14 @@ func wrapLine(input string, offset int, wrapAt int, padding string) string {
func offset(input string, fixed int) int {
return len(input) + fixed
}
func offsetCommands(cmds []*Command, fixed int) int {
var max int = 0
for _, cmd := range cmds {
s := strings.Join(cmd.Names(), ", ")
if len(s) > max {
max = len(s)
}
}
return max + fixed
}

8
template.go
View File

@ -21,8 +21,8 @@ AUTHOR{{with $length := len .Authors}}{{if ne 1 $length}}S{{end}}{{end}}:
COMMANDS:{{range .VisibleCategories}}{{if .Name}}
{{.Name}}:{{range .VisibleCommands}}
{{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{range .VisibleCommands}}
{{$s := join .Names ", "}}{{$v := offset $s 5}}{{$s}}{{"\t"}}{{wrap .Usage $v}}{{end}}{{end}}{{end}}{{end}}{{if .VisibleFlagCategories}}
{{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{ $cv := offsetCommands .VisibleCommands 5}}{{range .VisibleCommands}}
{{$s := join .Names ", "}}{{$s}}{{ $sp := subtract $cv (add (len $s) 3) }}{{ indent $sp ""}}{{wrap .Usage $cv}}{{end}}{{end}}{{end}}{{end}}{{if .VisibleFlagCategories}}
GLOBAL OPTIONS:{{range .VisibleFlagCategories}}
{{if .Name}}{{.Name}}
@ -76,8 +76,8 @@ DESCRIPTION:
COMMANDS:{{range .VisibleCategories}}{{if .Name}}
{{.Name}}:{{range .VisibleCommands}}
{{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{range .VisibleCommands}}
{{$s := join .Names ", "}}{{$v := offset $s 5}}{{$s}}{{"\t"}}{{wrap .Usage $v}}{{end}}{{end}}{{end}}{{if .VisibleFlags}}
{{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{ $cv := offsetCommands .VisibleCommands 5}}{{range .VisibleCommands}}
{{$s := join .Names ", "}}{{$s}}{{ $sp := subtract $cv (add (len $s) 3) }}{{ indent $sp ""}}{{wrap .Usage $cv}}{{end}}{{end}}{{end}}{{if .VisibleFlags}}
OPTIONS:
{{range .VisibleFlags}}{{.}}