From c808fa9ab35fde98d592acf74e74055f5f4a18c5 Mon Sep 17 00:00:00 2001
From: Navan Chauhan <navanchauhan@gmail.com>
Date: Sat, 16 Dec 2023 22:00:38 -0700
Subject: Refactor

---
 Sources/GopherHelpers/GopherHelpers.swift | 259 ++++++++++++++++++++++++++++++
 1 file changed, 259 insertions(+)
 create mode 100644 Sources/GopherHelpers/GopherHelpers.swift

(limited to 'Sources/GopherHelpers/GopherHelpers.swift')

diff --git a/Sources/GopherHelpers/GopherHelpers.swift b/Sources/GopherHelpers/GopherHelpers.swift
new file mode 100644
index 0000000..22545b3
--- /dev/null
+++ b/Sources/GopherHelpers/GopherHelpers.swift
@@ -0,0 +1,259 @@
+//
+//  File.swift
+//  
+//
+//  Created by Navan Chauhan on 12/16/23.
+//
+
+import Foundation
+import NIOCore
+
+/*
+ 
+ From Wikipedia
+ 
+ Canonical types
+ 0    Text file
+ 1    Gopher submenu
+ 2    CCSO Nameserver
+ 3    Error code returned by a Gopher server to indicate failure
+ 4    BinHex-encoded file (primarily for Macintosh computers)
+ 5    DOS file
+ 6    uuencoded file
+ 7    Gopher full-text search
+ 8    Telnet
+ 9    Binary file
+ +    Mirror or alternate server (for load balancing or in case of primary server downtime)
+ g    GIF file
+ I    Image file
+ T    Telnet 3270
+ gopher+ types
+ :    Bitmap image
+ ;    Movie file
+ <    Sound file
+ Non-canonical types
+ d    Doc. Seen used alongside PDF's and .DOC's
+ h    HTML file
+ i    Informational message, widely used.[25]
+ p    image file "(especially the png format)"
+ r    document rtf file "rich text Format")
+ s    Sound file (especially the WAV format)
+ P    document pdf file "Portable Document Format")
+ X    document xml file "eXtensive Markup Language" )
+ */
+
+public enum gopherItemType {
+    case text
+    case directory
+    case nameserver
+    case error
+    case binhex
+    case bindos
+    case uuencoded
+    case search
+    case telnet
+    case binary
+    case mirror
+    case gif
+    case image
+    case tn3270Session
+    case bitmap
+    case movie
+    case sound
+    case doc
+    case html
+    case info
+}
+
+public struct gopherItem {
+    
+    public var rawLine: String
+    public var rawData: ByteBuffer?
+    public var message: String = ""
+    public var parsedItemType: gopherItemType = .info
+    public var host: String = "error.host"
+    public var port: Int = 1
+    public var selector: String = ""
+    public var valid: Bool = true
+    
+    public init(rawLine: String) {
+        self.rawLine = rawLine
+    }
+}
+
+public func getGopherFileType(item: String) -> gopherItemType {
+    switch item {
+    case "0":
+        return .text
+    case "1":
+        return .directory
+    case "2":
+        return .nameserver
+    case "3":
+        return .error
+    case "4":
+        return .binhex
+    case "5":
+        return .bindos
+    case "6":
+        return .uuencoded
+    case "7":
+        return .search
+    case "8":
+        return .telnet
+    case "9":
+        return .binary
+    case "+":
+        return .mirror
+    case "g":
+        return .gif
+    case "I":
+        return .image
+    case "T":
+        return .tn3270Session
+    case ":":
+        return .bitmap
+    case ";":
+        return .movie
+    case "<":
+        return .sound
+    case "d":
+        return .doc
+    case "h":
+        return .html
+    case "i":
+        return .info
+    case "p":
+        return .image
+    case "r":
+        return .doc
+    case "s":
+        return .doc
+    case "P":
+        return .doc
+    case "X":
+        return .doc
+    default:
+        return .info
+    }
+}
+
+public func getFileType(fileExtension: String) -> gopherItemType {
+  switch fileExtension {
+  case "txt":
+    return .text
+  case "md":
+    return .text
+  case "html":
+    return .html
+  case "pdf":
+    return .doc
+  case "png":
+    return .image
+  case "gif":
+    return .gif
+  case "jpg":
+    return .image
+  case "jpeg":
+    return .image
+  case "mp3":
+    return .sound
+  case "wav":
+    return .sound
+  case "mp4":
+    return .movie
+  case "mov":
+    return .movie
+  case "avi":
+    return .movie
+  case "rtf":
+    return .doc
+  case "xml":
+    return .doc
+  default:
+    return .binary
+  }
+}
+
+
+public func fileTypeToGopherItem(fileType: gopherItemType) -> String {
+  switch fileType {
+  case .text:
+    return "0"
+  case .directory:
+    return "1"
+  case .nameserver:
+    return "2"
+  case .error:
+    return "3"
+  case .binhex:
+    return "4"
+  case .bindos:
+    return "5"
+  case .uuencoded:
+    return "6"
+  case .search:
+    return "7"
+  case .telnet:
+    return "8"
+  case .binary:
+    return "9"
+  case .mirror:
+    return "+"
+  case .tn3270Session:
+    return "T"
+  case .gif:
+    return "g"
+  case .image:
+    return "I"
+  case .bitmap:
+    return "b"
+  case .movie:
+    return "M"
+  case .sound:
+    return "s"
+  case .doc:
+    return "d"
+  case .html:
+    return "h"
+  case .info:
+    return "i"
+//  case .png:
+//    return "p"
+//  case .rtf:
+//    return "t"
+//  case .wavfile:
+//    return "w"
+//  case .pdf:
+//    return "P"
+//  case .xml:
+//    return "x"
+  }
+}
+
+public func itemToImageType(_ item: gopherItem) -> String {
+    switch item.parsedItemType {
+    case .text:
+        return "doc.plaintext"
+    case .directory:
+        return "folder"
+    case .error:
+        return "exclamationmark.triangle"
+    case .gif:
+        return "photo.stack"
+    case .image:
+        return "photo"
+    case .doc:
+        return "doc.richtext"
+    case .sound:
+        return "music.note"
+    case .bitmap:
+        return "photo"
+    case .html:
+        return "globe"
+    case .movie:
+        return "videoprojector"
+    default:
+        return "questionmark.square.dashed"
+    }
+}
-- 
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