converters.*: facilities to convert enums

This introduces enumTo/FromJsonString() and flagTo/FromJsonString(),
four facility functions to simplify conversion between C++ enums and
JSON, and refactors a couple of places where it's useful.

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/converters.cpp b/lib/converters.cpp
index 444ca4f6..b0e3a4b6 100644
--- a/lib/converters.cpp
+++ b/lib/converters.cpp
@@ -2,9 +2,23 @@
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "converters.h"
+#include "logging.h"
 
 #include <QtCore/QVariant>
 
+void Quotient::_impl::warnUnknownEnumValue(const QString& stringValue,
+                                           const char* enumTypeName)
+{
+    qWarning(EVENTS).noquote()
+        << "Unknown" << enumTypeName << "value:" << stringValue;
+}
+
+void Quotient::_impl::reportEnumOutOfBounds(uint32_t v, const char* enumTypeName)
+{
+    qCritical(MAIN).noquote()
+        << "Value" << v << "is out of bounds for enumeration" << enumTypeName;
+}
+
 QJsonValue Quotient::JsonConverter<QVariant>::dump(const QVariant& v)
 {
     return QJsonValue::fromVariant(v);