From e79e4d43a890e45badd43b9d5b5357679814fef1 Mon Sep 17 00:00:00 2001
From: Bill Somerville <g4wjs@classdesign.com>
Date: Sun, 10 Jul 2016 23:02:26 +0000
Subject: [PATCH] Add missing file from r6903 checkin

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6904 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 CallsignValidator.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 CallsignValidator.cpp

diff --git a/CallsignValidator.cpp b/CallsignValidator.cpp
new file mode 100644
index 000000000..ddcd64f16
--- /dev/null
+++ b/CallsignValidator.cpp
@@ -0,0 +1,17 @@
+#include "CallsignValidator.hpp"
+
+CallsignValidator::CallsignValidator (QObject * parent, bool allow_compound)
+  : QValidator {parent}
+  , re_ {allow_compound ? R"(^[A-Za-z0-9/]+$)" : R"(^[A-Za-z0-9]+$)"}
+{
+}
+
+auto CallsignValidator::validate (QString& input, int& pos) const -> State
+{
+  auto match = re_.match (input, 0, QRegularExpression::PartialPreferCompleteMatch);
+  input = input.toUpper ();
+  if (match.hasMatch ()) return Acceptable;
+  if (!input.size () || match.hasPartialMatch ()) return Intermediate;
+  pos = input.size ();
+  return Invalid;
+}