Class ArgumentFilenameProvider

Namespace

Webefinity.Switch

Assembly

Switch.dll

A value provider that accepts a filename, and optionally validates that the file exists.

public class ArgumentFilenameProvider : IValueProvider

Inheritance

object

ArgumentFilenameProvider

Implements

IValueProvider

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

ArgumentFilenameProvider(bool, string?)

public ArgumentFilenameProvider(bool mustExist, string? defaultValue = null)

Parameters

mustExist bool

Should the file be checked to make sure it exists?

defaultValue string

Properties

DefaultValue

The default value if there is one. If a switch is followed only by another switch, the default value will be used by the handler.

public object? DefaultValue { get; }

Property Value

object

Value

The value of the option, stored as a boxed value according to the type the handler should produce.

public object? Value { get; }

Property Value

object

WasSet

Indicates whether the value was set by command line processing. This should be set by the call to the Set method.

public bool WasSet { get; }

Property Value

bool

Methods

Set(string?)

Called by the ArgumentsHandler to set the value of the option in the provider. Should set WasSet to true if the value was used, regardless of its validity.

public ValidationResult Set(string? value)

Parameters

value string

The value of the option as provided on the command line.

Returns

ValidationResult

An validation result, either success, or with errors. If errors are returned the entire command line is considered invalid by the handler.

Usage(Action<string>)

Returns a string for the usage description that describes show to set the value. A true/false flag might return "true, false" here.

public void Usage(Action<string> log)

Parameters

log Action<string>

The action to call when returning the value. This action is expected to be a call to Console.Write.