clikt/com.github.ajalt.clikt.parameters.options/OptionDelegate

OptionDelegate

interface OptionDelegate<T> : GroupableOption, ReadOnlyProperty<ParameterHolder, T>

An option that functions as a property delegate

Functions

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abstract fun finalize(context: Context, invocations: List<OptionParser.Invocation>)

Called after this command's argv is parsed to transform and store the option's value.

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open operator override fun getValue(thisRef: ParameterHolder, property: KProperty<*>): T
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abstract fun metavar(context: Context): String?

A name representing the values for this option that can be displayed to the user.

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open fun parameterHelp(context: Context): HelpFormatter.ParameterHelp.Option?

Information about this option for the help output.

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abstract fun postValidate(context: Context)

Called after all of a command's parameters have been finalized to perform validation of the final value.

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abstract operator fun provideDelegate(thisRef: ParameterHolder, prop: KProperty<*>): ReadOnlyProperty<ParameterHolder, T>

Implementations must call ParameterHolder.registerOption

Properties

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open val completionCandidates: CompletionCandidates

Optional set of strings to use when the user invokes shell autocomplete on a value for this option.

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abstract override var groupName: String?

The name of the group, or null if this option should not be grouped in the help output.

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abstract val helpTags: Map<String, String>

Extra information about this option to pass to the help formatter.

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abstract val hidden: Boolean

If true, this option should not appear in help output.

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abstract val names: Set<String>

The names that can be used to invoke this option. They must start with a punctuation character.

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abstract val nvalues: Int

The number of values that must be given to this option.

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abstract val optionHelp: String

The description of this option, usually a single line.

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abstract var parameterGroup: ParameterGroup?

The group that this option belongs to, or null. Set by the group.

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abstract val parser: OptionParser

The parser for this option's values.

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abstract val secondaryNames: Set<String>

Names that can be used for a secondary purpose, like disabling flag options.

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abstract val value: T

The value for this option.

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abstract val valueSourceKey: String?

Optional explicit key to use when looking this option up from a ValueSource

Inheritors

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