[Mosaic] Add a PlatformUtil to implement terminal copy to clipboard f…

…eature

gradle/libs.versions.toml

@@ -36,6 +36,7 @@ accompanist-insets = "com.google.accompanist:accompanist-insets:0.25.1"
 gson = "com.google.code.gson:gson:2.10.1"
 
 jline = "org.jline:jline:3.25.0"
+turtle = "com.lordcodes.turtle:turtle:0.9.0"
 
 junit4 = "junit:junit:4.13.2"
 

wordle-compose-mosaic/build.gradle.kts

@@ -8,6 +8,9 @@ dependencies {
     implementation(libs.jline) {
         because("need to handle terminal keyboard input")
     }
+    implementation(libs.turtle) {
+        because("need to copy results to clipboard (using `pbcopy`, `xclip`, `clip` or equivalent)")
+    }
     implementation(project(":word-data"))
     implementation(project(":game-logic"))
 }

wordle-compose-mosaic/src/main/java/net/opatry/game/wordle/PlatformUtil.kt

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2022 Olivier Patry
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the Software
+ * is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package net.opatry.game.wordle
+
+import com.lordcodes.turtle.shellRun
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+enum class OSName {
+    UNKNOWN,
+    WINDOWS,
+    MAC,
+    LINUX,
+}
+
+val OS: OSName
+    get() {
+        val os = System.getProperty("os.name").lowercase()
+        return when {
+            os.contains("mac") -> OSName.MAC
+            os.contains("win") -> OSName.WINDOWS
+            os.contains("nix") || os.contains("nux") || os.contains("aix") -> OSName.LINUX
+            else -> OSName.UNKNOWN
+        }
+    }
+
+suspend fun String.copyToClipboard(): Boolean {
+    // TODO check for command availability and find fallbacks if possible
+    val copyCommand = when(OS) {
+        OSName.MAC -> "pbcopy"
+        OSName.WINDOWS -> "clip" // in WSL2 there is clipcopy
+        OSName.LINUX -> "xclip" // there is also xsel --clipboard --input
+        else -> null
+    }
+    return if (copyCommand != null) {
+        withContext(Dispatchers.IO) {
+            try {
+                // XXXcopy <<< "str"
+                shellRun("/bin/sh", listOf("-c", "$copyCommand <<< \"${this@copyToClipboard}\""))
+                true
+            } catch (e: Exception) {
+                false
+            }
+        }
+    } else {
+        false
+    }
+}