Sources/Validators/Length.ps1
|
using namespace Belin.Validation <# .SYNOPSIS Creates a new validator that ensures a string length falls within a specified range. .OUTPUTS The newly created validator. #> function New-ValidatorLength { [CmdletBinding()] [OutputType([Belin.Validation.Validator])] param ( # The minimum required length. [Parameter(Mandatory, Position = 0)] [ValidateRange("NonNegative")] [int] $Minimum, # The maximum required length. [Parameter(Mandatory, Position = 1)] [ValidateRange("NonNegative")] [int] $Maximum, # The error message describing the validation failure. [Parameter(Mandatory, Position = 2)] [string] $Reason ) if ($Maximum -lt $Minimum) { throw [ArgumentOutOfRangeException]::new("Maximum", "The maximum length is less than the minimum length.") } return [RangeValidator[int]]@{ LowerBound = $Minimum Reason = $Reason Test = { ($_.Length -ge $this.LowerBound) -and ($_.Length -le $this.UpperBound) } UpperBound = $Maximum } } <# .SYNOPSIS Creates a new validator that ensures the validated string has a maximum length. .OUTPUTS The newly created validator. #> function New-ValidatorMaxLength { [CmdletBinding()] [OutputType([Belin.Validation.Validator])] param ( # The maximum required length. [Parameter(Mandatory, Position = 0)] [ValidateRange("NonNegative")] [int] $Value, # The error message describing the validation failure. [Parameter(Mandatory, Position = 1)] [string] $Reason ) return [ComparisonValidator[int]]@{ Reason = $Reason Test = { $_.Length -le $this.Value } Value = $Value } } <# .SYNOPSIS Creates a new validator that ensures the validated string has a minimum length. .OUTPUTS The newly created validator. #> function New-ValidatorMinLength { [CmdletBinding()] [OutputType([Belin.Validation.Validator])] param ( # The minimum required length. [Parameter(Mandatory, Position = 0)] [ValidateRange("NonNegative")] [int] $Value, # The error message describing the validation failure. [Parameter(Mandatory, Position = 1)] [string] $Reason ) return [ComparisonValidator[int]]@{ Reason = $Reason Test = { $_.Length -ge $this.Value } Value = $Value } } |