Re-write argument parsing, implement skeleton of copy functionality

main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"github.com/rwinkhart/MUTN/src/cli"
 	"github.com/rwinkhart/MUTN/src/offline"
 	"os"
@@ -13,43 +12,116 @@ func main() {
 	args := os.Args[1:]
 	argsCount := len(args)
 
+	// if no arguments are supplied...
 	if argsCount == 0 {
-
+		// list all entries
 		cli.EntryListGen()
+	} else {
 
-	} else if argsCount == 1 {
-
-		// initial entry reader shortcut
+		// if the first argument is an entry...
 		if strings.HasPrefix(args[0], "/") {
+
+			// store location of target entry
 			targetLocation := offline.EntryRoot + offline.PathSeparator + args[0][1:]
-			if isFile, _ := offline.TargetIsFile(targetLocation, true); isFile {
-				cli.EntryReader(offline.DecryptGPG(targetLocation))
-			} else {
-				fmt.Println(offline.AnsiError + "Failed to read \"" + targetLocation + "\" - it is a directory" + offline.AnsiReset)
+
+			// entry reader shortcut (if no other arguments are supplied)
+			if argsCount == 1 {
+				cli.EntryReaderShortcut(targetLocation)
+				// perform other operations on the entry (if other arguments are supplied)
+			} else if argsCount == 2 {
+
+				switch args[1] {
+
+				case "shear": // TODO offline.Shear(targetLocation), exit after run
+				case "gen": // TODO offline.Gen(targetLocation), exit after run
+				case "copy":
+					cli.HelpCopy()
+				case "edit":
+					cli.HelpEdit()
+				case "add":
+					cli.HelpAdd()
+				default:
+					cli.HelpMain()
+
+				}
+
+			} else if argsCount == 3 {
+
+				// declare entry field to perform target operation on
+				var field rune
+
+				switch args[1] {
+				case "copy":
+					switch args[2] {
+					case "password", "-p":
+						field = 'p'
+					case "username", "-u":
+						field = 'u'
+					case "url", "-l":
+						field = 'l'
+					case "note", "-n":
+						field = 'n'
+					default:
+						cli.HelpCopy()
+					}
+					offline.CopyField(targetLocation, field)
+				case "edit":
+					switch args[2] {
+					case "password", "-p":
+						field = 'p'
+					case "username", "-u":
+						field = 'u'
+					case "url", "-l":
+						field = 'l'
+					case "note", "-n":
+						field = 'n'
+					case "rename", "-r": // TODO prompt for newLocation, offline.Rename(targetLocation, newLocation), exit after run
+					default:
+						cli.HelpCopy()
+					}
+					offline.CopyField(targetLocation, field)
+				case "add":
+					switch args[2] {
+					case "password", "-p":
+						field = 'p'
+					case "note", "-n":
+						field = 'n'
+					case "folder", "-f": // TODO offline.AddFolder(targetLocation), exit after run
+					default:
+						cli.HelpAdd()
+					}
+					// TODO offline.AddEntry(targetLocation, field), exit after run
+				case "gen":
+					switch args[2] {
+					case "update", "-u": // TODO offline.GenUpdate(targetLocation), exit after run
+					default:
+						cli.HelpGen()
+					}
+				default:
+					cli.HelpMain()
+				}
+			}
+
+			// if the first argument is not an entry...
+		} else {
+			switch args[0] {
+			case "sync": // TODO online.Sync(), exit after run
+			case "init": // TODO offline.Init(), exit after run
+			case "tweak": // TODO offline.Tweak(), exit after run
+
+			case "add":
+				cli.HelpAdd()
+			case "edit":
+				cli.HelpEdit()
+			case "copy":
+				cli.HelpCopy()
+			case "gen":
+				cli.HelpGen()
+			case "version", "-v":
+				cli.Version()
+			default:
+				cli.HelpMain()
 			}
-			os.Exit(0)
 		}
-
-		switch args[0] {
-
-		case "help", "--help", "-h":
-			cli.HelpMain()
-		case "add":
-			cli.HelpAdd()
-		case "edit":
-			cli.HelpEdit()
-		case "copy":
-			cli.HelpCopy()
-		case "gen":
-			cli.HelpGen()
-		case "version", "-v":
-			cli.Version()
-		default:
-			cli.HelpMain()
-
-		}
-	} else if argsCount > 1 {
-		// load config (libmutton.ini)
-		offline.ReadConfig()
 	}
 }

src/cli/entryList.go

@@ -192,4 +192,6 @@ func EntryListGen() {
 
 	// print trailing new lines for proper spacing after entry list is complete
 	fmt.Print("\n\n")
+
+	os.Exit(0)
 }

src/cli/entryReader.go

@@ -3,9 +3,11 @@ package cli
 import (
 	"fmt"
 	"github.com/rwinkhart/MUTN/src/offline"
+	"os"
 )
 
 // EntryReader prints the decrypted contents of a libmutton entry in a human-readable format
+// TODO implement password hiding
 func EntryReader(decryptedEntry []string) {
 	fmt.Println()
 
@@ -54,4 +56,13 @@ func EntryReader(decryptedEntry []string) {
 	if notesFlag {
 		fmt.Println()
 	}
+	os.Exit(0)
+}
+
+func EntryReaderShortcut(targetLocation string) {
+	if isFile, _ := offline.TargetIsFile(targetLocation, true); isFile {
+		EntryReader(offline.DecryptGPG(targetLocation))
+	} else {
+		fmt.Println(offline.AnsiError + "Failed to read \"" + targetLocation + "\" - it is a directory" + offline.AnsiReset)
+	}
 }

src/cli/printInfo.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"fmt"
 	"github.com/rwinkhart/MUTN/src/offline"
+	"os"
 )
 
 // global constants used only in this file
@@ -52,6 +53,7 @@ This program comes with absolutely no warranty; type "mutn version" for details.
 ` + ansiBold + "Tip 1:" + offline.AnsiReset + ` You can quickly read an entry with "mutn /<entry name>"
 ` + ansiBold + "Tip 2:" + offline.AnsiReset + ` Type "mutn" (no arguments/options) to view a list of saved entries
 ` + ansiBold + "Tip 3:" + offline.AnsiReset + " Provide \"add\", \"edit\", \"copy\", or \"gen\" as the only argument to receive more specific help\n\n")
+	os.Exit(0)
 }
 
 func HelpAdd() {
@@ -62,6 +64,7 @@ func HelpAdd() {
   password/-p            Add a password entry
   note/-n                Add a note entry
   folder/-f              Add a new folder for entries` + "\n\n")
+	os.Exit(0)
 }
 
 func HelpEdit() {
@@ -74,6 +77,7 @@ func HelpEdit() {
   password/-p            Change the password of an entry
   url/-l                 Change the url attached to an entry
   note/-n                Change the note attached to an entry` + "\n\n")
+	os.Exit(0)
 }
 
 func HelpCopy() {
@@ -85,6 +89,7 @@ func HelpCopy() {
   password/-p            Copy the password in an entry to your clipboard
   url/-l                 Copy the url in an entry to your clipboard
   note/-n                Copy the first note line in an entry to your clipboard` + "\n\n")
+	os.Exit(0)
 }
 
 func HelpGen() {
@@ -95,6 +100,7 @@ func HelpGen() {
   update/-u              Generate a password for an existing entry
 
 ` + ansiBold + "Tip:" + offline.AnsiReset + " If no options are provided, a new password entry is generated\n\n")
+	os.Exit(0)
 }
 
 func Version() {
@@ -141,4 +147,5 @@ ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 		"\n               For more information, see:\n\n" +
 		"           https://github.com/rwinkhart/MUTN\n" +
 		"         https://github.com/rwinkhart/libmutton\n\n")
+	os.Exit(0)
 }

src/offline/copy.go

@@ -0,0 +1,21 @@
+package offline
+
+import (
+	"fmt"
+	"os"
+)
+
+func CopyField(targetLocation string, field rune) {
+	if isFile, _ := TargetIsFile(targetLocation, true); isFile {
+		//decryptedEntry := DecryptGPG(targetLocation)
+		// TODO implement clipboard support (maybe use third-party library?)
+		fmt.Println("In the future, this will copy " + string(field))
+	} else {
+		fmt.Println(AnsiError + "Failed to read \"" + targetLocation + "\" - it is a directory" + AnsiReset)
+	}
+	os.Exit(0)
+}
+
+func clipClear() {
+
+}