78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
package cli
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import (
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"fmt"
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"strconv"
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)
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const (
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multiTypeName = "num"
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)
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type cliOptionMulti struct {
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cliOptionBase
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defaultValue int
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targetVar *int
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}
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func (opt *cliOptionMulti) init() {
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if opt.targetVar != nil {
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*opt.targetVar = opt.defaultValue
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}
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}
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func (opt *cliOptionMulti) getTargetVar() (any, string) {
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var value int
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if opt.targetVar != nil {
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value = *opt.targetVar
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}
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return value, multiTypeName
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}
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func (opt *cliOptionMulti) requiresValue() bool {
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return false
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}
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func (opt *cliOptionMulti) getDefaultValue() string {
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return strconv.Itoa(opt.defaultValue)
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}
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func (opt *cliOptionMulti) getTemplate() (templ string) {
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if opt.shortAlias != "" {
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templ = fmt.Sprintf(`-%s, --%s`, opt.shortAlias, opt.name)
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} else {
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templ = fmt.Sprintf(`--%s`, opt.name)
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}
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return
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}
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func (opt *cliOptionMulti) parse(parser cliParser, argIndex int, valuePtr *string) (skipNextArg bool, value string, err error) {
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if opt.targetVar != nil {
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*opt.targetVar++
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}
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value = "true"
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return
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}
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func (opt *cliOptionMulti) finalCheck() (err error) {
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currentValue, _ := opt.getTargetVar()
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return opt.getBase().checkValue(currentValue)
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}
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func (cli *CliParser) AddMultiOpt(name, short string, targetVar *int, defaultValue int, description string, aliases ...string) OptReference {
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if cli.optionExists(name, short, aliases) {
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panic(errOptionAlreadyDefined(name))
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}
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opt := &cliOptionMulti{
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cliOptionBase: cliOptionBase{
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name: name,
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shortAlias: short,
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aliases: aliases,
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description: description,
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},
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targetVar: targetVar,
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defaultValue: defaultValue,
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}
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cli.options = append(cli.options, opt)
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return opt
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}
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