1 files changed, 49 insertions, 0 deletions
diff --git a/src/yuzu/multiplayer/validation.h b/src/yuzu/multiplayer/validation.h
new file mode 100644
index 000000000..1c215a190
--- /dev/null
+++ b/src/yuzu/multiplayer/validation.h
@@ -0,0 +1,49 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QRegExp>
+#include <QString>
+#include <QValidator>
+
+class Validation {
+public:
+    Validation()
+        : room_name(room_name_regex), nickname(nickname_regex), ip(ip_regex), port(0, 65535) {}
+
+    ~Validation() = default;
+
+    const QValidator* GetRoomName() const {
+        return &room_name;
+    }
+    const QValidator* GetNickname() const {
+        return &nickname;
+    }
+    const QValidator* GetIP() const {
+        return &ip;
+    }
+    const QValidator* GetPort() const {
+        return &port;
+    }
+
+private:
+    /// room name can be alphanumeric and " " "_" "." and "-" and must have a size of 4-20
+    QRegExp room_name_regex = QRegExp(QStringLiteral("^[a-zA-Z0-9._- ]{4,20}$"));
+    QRegExpValidator room_name;
+
+    /// nickname can be alphanumeric and " " "_" "." and "-" and must have a size of 4-20
+    QRegExp nickname_regex = QRegExp(QStringLiteral("^[a-zA-Z0-9._- ]{4,20}$"));
+    QRegExpValidator nickname;
+
+    /// ipv4 address only
+    // TODO remove this when we support hostnames in direct connect
+    QRegExp ip_regex = QRegExp(QStringLiteral(
+        "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|"
+        "2[0-4][0-9]|25[0-5])"));
+    QRegExpValidator ip;
+
+    /// port must be between 0 and 65535
+    QIntValidator port;
+};