90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
package cli
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import (
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"fmt"
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"os"
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"strings"
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"github.com/TwiN/go-color"
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)
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func padString(s string, n int) string {
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missing := n - len(s)
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if missing <= 0 {
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return s
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}
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for _ = range missing {
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s = s + " "
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}
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return s
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}
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func getSingleArgumentString(a Argument) string {
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requiredString := ""
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if a.Required {
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requiredString = "*"
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}
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return requiredString + a.Name + ":" + a.Type
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}
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func getArgumentString(arguments []Argument) string {
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argumentString := color.Blue
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for _, a := range arguments {
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argumentString = argumentString + " [" + getSingleArgumentString(a) + "]"
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}
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return argumentString + color.Reset
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}
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func generalHelp() error {
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fmt.Println()
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fmt.Println(HelpHeader)
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fmt.Println()
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for _, p := range Programs {
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fmt.Print(color.Bold + padString(p.Name, 7) + color.Reset)
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fmt.Print(padString(getArgumentString(p.Arguments), 40) + p.ShortDescription + "\n")
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}
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return nil
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}
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func specificHelp(programName string) error {
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program := GetProgram(programName)
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fmt.Println(color.Bold + "MAN PAGE FOR " + strings.ToUpper(programName) + color.Reset)
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fmt.Println()
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fmt.Println(color.Purple + "transfem-startpage " + programName + color.Reset + getArgumentString(program.Arguments))
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fmt.Println()
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fmt.Println(color.Bold + "arguments" + color.Reset)
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argumentStrings := make([]string, len(program.Arguments))
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maxArgumentString := 0
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for i, a := range program.Arguments {
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s := getSingleArgumentString(a)
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argumentStrings[i] = s
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if len(s) > maxArgumentString {
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maxArgumentString = len(s)
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}
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}
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for i, a := range program.Arguments {
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fmt.Println(padString(argumentStrings[i], maxArgumentString+4) + a.Description)
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}
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fmt.Println()
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fmt.Println(program.LongDescription)
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return nil
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}
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func Help() error {
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if len(os.Args) > 2 {
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return specificHelp(os.Args[2])
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}
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return generalHelp()
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}
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