Simple-Settings

Simple-Settings.psm1

class SettingsObj
{
   [String] $location
   $settings
   
   SettingsObj ([String]$location)
   {
      $this.location = $location
      $this.updateSettings();
   }
   
   updateSettings() {
      #If there are already settings in the specified location, load them
      if([System.IO.File]::Exists($this.location)){
         $this.settings = Import-Clixml $this.location
      } else {
         #Otherwise, create a new, empty, settings object 
         $this.settings = New-Object 'System.Collections.Generic.Dictionary[String,String]'
      }
   }
   
   [String] getSetting([String]$setting) {
      $this.updateSettings();
      return $this.settings[$setting]
   }
   
   [bool] hasSetting([String]$setting) {
      $this.updateSettings();
      return $this.settings.ContainsKey($setting)
   }
   
   setSetting([String]$setting, [String]$newVal) {
      $this.updateSettings();
      if($this.settings.ContainsKey($setting)){
         this.settings[$setting] = $newVal;
      } else {
         $this.settings.Add($setting, $newVal)
      }
      #Whenever settings are added/changed, export them so they are on-disk
      Export-Clixml -InputObject $this.settings -Path $this.location
   }
   
   removeSetting([String]$setting) {
      $this.updateSettings();
      if($this.settings.ContainsKey($setting)){
         $this.settings.Remove($setting)
         #Whenever settings are removed, export them so they are on-disk
         Export-Clixml -InputObject $this.settings -Path $this.location
      }
   }
   
   printSettings() {
      Write-Host $($this.settings | Out-String)
   }
}