1 files changed, 60 insertions, 0 deletions
diff --git a/logic/MMCJson.cpp b/logic/MMCJson.cpp
new file mode 100644
index 00000000..80d36204
--- /dev/null
+++ b/logic/MMCJson.cpp
@@ -0,0 +1,60 @@
+#include "MMCJson.h"
+#include <QString>
+
+bool MMCJson::ensureBoolean(const QJsonValue val, const QString what)
+{
+	if (!val.isBool())
+		throw JSONValidationError(what + " is not boolean");
+	return val.isBool();
+}
+
+QJsonValue MMCJson::ensureExists(QJsonValue val, const QString what)
+{
+	if(val.isNull())
+		throw JSONValidationError(what + " does not exist");
+	return val;
+}
+
+QJsonArray MMCJson::ensureArray(const QJsonValue val, const QString what)
+{
+	if (!val.isArray())
+		throw JSONValidationError(what + " is not an array");
+	return val.toArray();
+}
+
+double MMCJson::ensureDouble(const QJsonValue val, const QString what)
+{
+	if (!val.isDouble())
+		throw JSONValidationError(what + " is not a number");
+	double ret = val.toDouble();
+}
+
+int MMCJson::ensureInteger(const QJsonValue val, const QString what)
+{
+	double ret = ensureDouble(val, what);
+	if (fmod(ret, 1) != 0)
+		throw JSONValidationError(what + " is not an integer");
+	return ret;
+}
+
+QJsonObject MMCJson::ensureObject(const QJsonValue val, const QString what)
+{
+	if (!val.isObject())
+		throw JSONValidationError(what + " is not an object");
+	return val.toObject();
+}
+
+QJsonObject MMCJson::ensureObject(const QJsonDocument val, const QString what)
+{
+	if (!val.isObject())
+		throw JSONValidationError(what + " is not an object");
+	return val.object();
+}
+
+QString MMCJson::ensureString(const QJsonValue val, const QString what)
+{
+	if (!val.isString())
+		throw JSONValidationError(what + " is not a string");
+	return val.toString();
+}
+