48 lines
922 B
Go
48 lines
922 B
Go
package cmdlets
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import (
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"fmt"
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"strings"
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)
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type Usage struct {
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Name string
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Short string
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Long []string
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Flags map[string]string
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Examples []string
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}
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func (u Usage) String() string {
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str := strings.Builder{}
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str.WriteString(
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fmt.Sprintf("%s SUBCOMMAND\n\n", strings.ToUpper(u.Name)),
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)
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str.WriteString(fmt.Sprintf("\t%s\t%s\n\n", u.Name, u.Short))
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for _, line := range u.Long {
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str.WriteString(fmt.Sprintf("\t%s\n", line))
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}
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str.WriteRune('\n')
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if len(u.Flags) != 0 {
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for flag, desc := range u.Flags {
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str.WriteString(fmt.Sprintf("\t%s\n\t\t%s\n", flag, desc))
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}
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str.WriteRune('\n')
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}
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if len(u.Examples) != 0 {
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str.WriteString("EXAMPLES\n\n")
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for _, example := range u.Examples {
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str.WriteString(fmt.Sprintf("\t%s\n", example))
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}
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str.WriteRune('\n')
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}
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return str.String()
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}
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type Commandlet interface {
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Name() string
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Usage() Usage
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Invoke(args ...string) error
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}
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