Merge pull request #3 from Archinamon/feature/copy-move-methods

implemented copy/move methods

Author: Archinamon

build.gradle.kts

@@ -6,7 +6,7 @@ plugins {
 }
 
 group = "me.archinamon"
-version = "1.3.0"
+version = "1.3.1"
 
 val isRunningInIde: Boolean = System.getProperty("idea.active")
     ?.toBoolean() == true

src/commonMain/kotlin/FileUtils.common.kt

@@ -0,0 +1,37 @@
+package me.archinamon.fileio
+
+fun File.copyTo(dest: String, overwrite: Boolean) {
+    this.copyTo(File(dest), overwrite)
+}
+
+fun File.copyTo(dest: File, overwrite: Boolean) {
+    if (this.isDirectory()) {
+        throw UnsupportedOperationException("Moving/copying directories directly not allowed!")
+    }
+
+    this.readBytes().let { bytes ->
+        dest.apply {
+            if (exists() && !overwrite) {
+                throw IllegalFileAccess(dest.getAbsolutePath(), "Already exists and not allowed to be overwritten!")
+            }
+
+            if (!exists()) {
+                createNewFile()
+            }
+
+            writeBytes(bytes)
+        }
+    }
+}
+
+fun File.moveTo(dest: String, overwrite: Boolean) {
+    this.copyTo(dest, overwrite)
+    this.delete()
+}
+
+fun File.moveTo(dest: File, overwrite: Boolean) {
+    this.copyTo(dest, overwrite)
+    this.delete()
+}
+
+expect fun File.writeBytes(bytes: ByteArray)

src/jsMain/kotlin/File.kt

@@ -98,3 +98,7 @@ actual fun File.appendText(text: String) {
 actual fun File.writeText(text: String) {
     innerFile = JsFile(text.encodeToByteArray().toTypedArray(), innerFile.name)
 }
+
+actual fun File.writeBytes(bytes: ByteArray) {
+    innerFile = JsFile(bytes.toTypedArray(), innerFile.name)
+}

src/jvmMain/kotlin/File.kt

@@ -4,6 +4,7 @@ package me.archinamon.fileio
 import java.net.URLConnection
 import java.nio.charset.Charset
 import kotlin.io.readBytes as kReadBytes
+import kotlin.io.writeBytes as kWriteBytes
 
 actual typealias File = java.io.File
 
@@ -14,6 +15,8 @@ actual fun File.readBytes() = kReadBytes()
 
 actual fun File.readText() = readText(Charset.defaultCharset())
 
+actual fun File.writeBytes(bytes: ByteArray) = kWriteBytes(bytes)
+
 actual fun File.appendText(text: String) = appendText(text, Charset.defaultCharset())
 
 actual fun File.writeText(text: String) = writeText(text, Charset.defaultCharset())

src/mingwX64Main/kotlin/File.kt

@@ -302,6 +302,11 @@ actual fun File.readBytes(): ByteArray = memScoped {
     }
 }
 
+actual fun File.writeBytes(bytes: ByteArray) {
+    // no need to use pinning or memscope, cause it's inside the method already does
+    writeBytes(bytes, GENERIC_WRITE)
+}
+
 actual fun File.readText(): String {
     return readBytes().toKString()
 }

src/posixMain/kotlin/File.kt

@@ -249,6 +249,11 @@ actual fun File.readBytes(): ByteArray {
     }
 }
 
+actual fun File.writeBytes(bytes: ByteArray) {
+    // no need to use pinning or memscope, cause it's inside the method already does
+    writeBytes(bytes, O_RDWR, bytes.size.convert(), Byte.SIZE_BYTES.convert())
+}
+
 actual fun File.readText(): String {
     return readBytes().toKString()
 }