From 5a2c35806d78d12d60d49511af2da6a21a91964b Mon Sep 17 00:00:00 2001
From: Edoardo La Greca
Date: Wed, 18 Jun 2025 19:14:50 +0200
Subject: add all source code

---
 src/main/kotlin/IPAddress.kt | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/main/kotlin/IPAddress.kt

(limited to 'src/main/kotlin/IPAddress.kt')

diff --git a/src/main/kotlin/IPAddress.kt b/src/main/kotlin/IPAddress.kt
new file mode 100644
index 0000000..91226f5
--- /dev/null
+++ b/src/main/kotlin/IPAddress.kt
@@ -0,0 +1,39 @@
+/**
+ * An IP address (v4 or v6).
+ */
+class IPAddress {
+    private var address4: Array<UByte> = Array(4) { 0u }
+    private var address6: Array<UByte> = Array(16) { 0u }
+    private var is4: Boolean
+
+    /**
+     * @throws NumberFormatException if the IP address follows neither the IPv4 syntax, nor the IPv6 syntax.
+     */
+    constructor(address: String) {
+        val split4 = address.split('.')
+        val split6 = address.split(':')
+        var bytes: List<UByte> = emptyList()
+
+        if (split4.size == 4) {
+            bytes = split4.map { it.toUByte() }
+            this.address4 = bytes.toTypedArray()
+            this.is4 = true
+        } else if (split6.size == 16) {
+            bytes = split4.map { it.toUByte(16) }
+            this.address6 = bytes.toTypedArray()
+            this.is4 = false
+        } else {
+            throw NumberFormatException()
+        }
+    }
+
+    override fun toString(): String {
+        val str: String
+        if (this.is4) {
+            str = address4.joinToString(separator = ".") { it.toString() }
+        } else {
+            str = address6.joinToString(separator = ":") { it.toString() }
+        }
+        return str
+    }
+}
\ No newline at end of file
-- 
cgit v1.2.3