git.r.bdr.sh - rbdr/lyricli/blob - Sources/configuration.swift

   1 import Foundation
   2
   3 /// Handles reading and writing the configuration
   4 public class Configuration {
   5
   6     let configurationPath = NSString(string: "~/.lyricli.conf").expandingTildeInPath
   7
   8     // The defaults are added here
   9
  10     private var configuration: [String: Any] =  [
  11         "enabled_sources": ["arguments"],
  12         "default": true
  13     ]
  14
  15     static let sharedInstance: Configuration = Configuration()
  16
  17     private init() {
  18
  19         // Read the config file and attempt toset any of the values. Otherwise
  20         // Don't do anything.
  21         // IMPROVEMENT: Enable a debug mode
  22
  23         if let data = try? NSData(contentsOfFile: configurationPath) as Data {
  24             if let parsedConfig = try? JSONSerialization.jsonObject(with: data) as! [String:Any] {
  25                 for (key, value) in parsedConfig {
  26
  27                     if key == "enabled_sources" {
  28                         configuration[key] = value as! [String]
  29                     }
  30                     else {
  31                         configuration[key] = value as! String
  32                     }
  33                 }
  34             }
  35         }
  36
  37         writeConfiguration()
  38     }
  39
  40     private func writeConfiguration() {
  41
  42         var error: NSError?
  43
  44         if let outputStream = OutputStream(toFileAtPath: configurationPath, append: false) {
  45             outputStream.open()
  46             JSONSerialization.writeJSONObject(configuration, to: outputStream, options: [JSONSerialization.WritingOptions.prettyPrinted], error: &error)
  47             outputStream.close()
  48         }
  49     }
  50
  51     // Allow access as an object
  52     subscript(index: String) -> Any? {
  53         get {
  54             return configuration[index]
  55         }
  56
  57         set(newValue) {
  58             configuration[index] = newValue
  59             writeConfiguration()
  60         }
  61     }
  62 }