StringEncoding+Alamofire.swift 2.1 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455
  1. //
  2. // StringEncoding+Alamofire.swift
  3. //
  4. // Copyright (c) 2020 Alamofire Software Foundation (http://alamofire.org/)
  5. //
  6. // Permission is hereby granted, free of charge, to any person obtaining a copy
  7. // of this software and associated documentation files (the "Software"), to deal
  8. // in the Software without restriction, including without limitation the rights
  9. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10. // copies of the Software, and to permit persons to whom the Software is
  11. // furnished to do so, subject to the following conditions:
  12. //
  13. // The above copyright notice and this permission notice shall be included in
  14. // all copies or substantial portions of the Software.
  15. //
  16. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21. // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22. // THE SOFTWARE.
  23. //
  24. import Foundation
  25. extension String.Encoding {
  26. /// Creates an encoding from the IANA charset name.
  27. ///
  28. /// - Notes: These mappings match those [provided by CoreFoundation](https://opensource.apple.com/source/CF/CF-476.18/CFStringUtilities.c.auto.html)
  29. ///
  30. /// - Parameter name: IANA charset name.
  31. init?(ianaCharsetName name: String) {
  32. switch name.lowercased() {
  33. case "utf-8":
  34. self = .utf8
  35. case "iso-8859-1":
  36. self = .isoLatin1
  37. case "unicode-1-1", "iso-10646-ucs-2", "utf-16":
  38. self = .utf16
  39. case "utf-16be":
  40. self = .utf16BigEndian
  41. case "utf-16le":
  42. self = .utf16LittleEndian
  43. case "utf-32":
  44. self = .utf32
  45. case "utf-32be":
  46. self = .utf32BigEndian
  47. case "utf-32le":
  48. self = .utf32LittleEndian
  49. default:
  50. return nil
  51. }
  52. }
  53. }