Copy last result to clipboard

.github/workflows/test-lint.yaml

@@ -12,16 +12,16 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up JDK 11
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           java-version: '11'
           distribution: 'adopt'
 
       - name: Cache Gradle packages
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}

at-date-console/CHANGELOG.md

@@ -0,0 +1,6 @@
+# Changelog at-date-console
+<!-- https://keepachangelog.com/en/1.0.0/ -->
+
+## [0.2.0]  2023-09-21
+### Added
+- add new command `c` to copy the last result to the clipboard.

at-date-console/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 }
 
 group = "com.amerharb.atdate"
-version = "0.1.1"
+version = "0.2.0"
 
 dependencies {
 	implementation(project(":at-date-lib"))

at-date-console/src/main/kotlin/com/amerharb/atdate/Main.kt

@@ -1,19 +1,21 @@
 package com.amerharb.atdate
 
+import java.awt.Toolkit
+import java.awt.datatransfer.StringSelection
+
+var lastResult: String = ""
 fun main(args: Array<String>) {
 	println("@Date")
 	println("input: ${args.joinToString(" ")}")
 	if (args.isEmpty()) {
-		println("enter @...@ to encode, 0x... to decode or Q to Quit")
-		while (true) {
-			mainMenu()
-		}
+		println("enter @...@ to encode, 0x... to decode, C to copy last result or Q to quit")
+		while (mainMenu()) {}
+		println("Quiting 👋...")
 	} else {
 		val arg1 = args[0]
 		when {
 			arg1 == "-h" || arg1 == "--help" -> {
 				printHelp()
-				exitProcess(0)
 			}
 
 			arg1.startsWith("@") -> {
@@ -34,26 +36,30 @@ fun main(args: Array<String>) {
 	}
 }
 
-fun mainMenu() {
+fun mainMenu(): Boolean {
 	print(">")
 	val command = readlnOrNull()
 	if (command.isNullOrBlank()) {
 		println("Invalid input")
-		return
+		return true
 	}
 	when (command[0].lowercase()) {
 		"@" -> encodeCommand(command)
 		"0" -> decodeCommand(command)
-		"q" -> exitProcess()
+		"c" -> copyLastResultToClipboard()
+		"q" -> return false
 		else -> {
 			println("Invalid input")
 		}
 	}
+	return true
 }
 
 fun encodeCommand(input: String) {
 	try {
-		printEncodingResult(encode(input))
+		val result = encode(input)
+		lastResult = getHex(result)
+		printEncodingResult(result)
 	} catch (e: Exception) {
 		println("Error: ${e.message}")
 	}
@@ -62,22 +68,34 @@ fun encodeCommand(input: String) {
 fun decodeCommand(input: String) {
 	try {
 		val arrayOfUBytes = getByteArrayFromHexString(input)
-		printDecodingResult(decode(arrayOfUBytes))
+		val result = decode(arrayOfUBytes)
+		lastResult = result.getNotation()
+		printDecodingResult(result)
 	} catch (e: Exception) {
 		println("Error: ${e.message}")
 	}
 }
 
-fun exitProcess(status: Int = 0) {
-	println("Exiting with status $status")
-	kotlin.system.exitProcess(status)
+/** copy previous result to clipboard */
+fun copyLastResultToClipboard() {
+	if (lastResult.isBlank()) {
+		println("No result to copy")
+		return
+	}
+	val clipboard = Toolkit.getDefaultToolkit().systemClipboard
+	clipboard.setContents(StringSelection(lastResult), null)
+	println("$lastResult\nhas been copied to clipboard!")
 }
 
 fun printEncodingResult(atDate: AtDate) {
-	println("Hex: 0x${atDate.getPayload().joinToString("") { it.toString(16).padStart(2, '0') }}")
-	println("Bin: 0b${atDate.getPayload().joinToString("") { it.toString(2).padStart(8, '0') }}")
+	println("Hex: ${getHex(atDate)}")
+	println("Bin: ${getBin(atDate)}")
 }
 
+fun getHex(atDate: AtDate) = "0x${atDate.getPayload().joinToString("") { it.toString(16).padStart(2, '0') }}"
+
+fun getBin(atDate: AtDate) = "0b${atDate.getPayload().joinToString("") { it.toString(2).padStart(8, '0') }}"
+
 fun printDecodingResult(atDate: AtDate) {
 	println("Notation: ${atDate.getNotation()}")
 }

at-date-console/src/test/kotlin/com/amerharb/atdate/MainTest.kt

@@ -1,7 +1,14 @@
 package com.amerharb.atdate
 
+import java.awt.Toolkit
+import java.awt.datatransfer.DataFlavor
+import java.awt.datatransfer.StringSelection
 import java.io.ByteArrayOutputStream
+import java.io.InputStream
 import java.io.PrintStream
+import java.util.LinkedList
+import java.util.Queue
+import kotlin.test.Ignore
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -282,4 +289,47 @@ class MainTest {
 		assertEquals(expected, actual)
 		System.setOut(originalOut)
 	}
+
+	@Test
+	@Ignore // Ignored as this test can not work in GitHub Actions
+	fun testCopyResult() {
+		val originalInputStream = System.`in`
+		try {
+			clearClipboard()
+			System.setIn(InputStreamMock("0xa0\nc\nq"))
+			main(emptyArray())
+			val expected = "@P-tp@"
+			val actual = getClipboard()
+			assertEquals(expected, actual)
+		} finally {
+			System.setIn(originalInputStream)
+		}
+	}
+}
+
+class InputStreamMock(input: String) : InputStream() {
+	private val queue: Queue<Char> = LinkedList()
+
+	init {
+		this.queue.addAll(input.toList())
+	}
+
+	override fun read(): Int {
+		return this.queue.poll()?.code ?: -1
+	}
+}
+
+fun getClipboard(): String {
+	val clipboard = Toolkit.getDefaultToolkit().systemClipboard
+	return clipboard.getData(DataFlavor.stringFlavor) as String
+}
+
+fun clearClipboard() {
+	try {
+		val clipboard = Toolkit.getDefaultToolkit().systemClipboard
+		clipboard.setContents(StringSelection(""), null)
+	} catch (e: Exception) {
+		println("Error: ${e.message}")
+		System.err.println(e.message)
+	}
 }