1 files changed, 92 insertions, 0 deletions
diff --git a/basic_functions.h b/basic_functions.h
new file mode 100644
index 0000000..be58d0d
--- /dev/null
+++ b/basic_functions.h
@@ -0,0 +1,92 @@
+#pragma once
+
+// cpp
+#include <limits>
+
+// qt
+#include <QHash>
+#include <QHostAddress>
+#include <QJsonObject>
+#include <QLineF>
+#include <QMetaEnum>
+#include <QNetworkInterface>
+#include <QPointF>
+#include <QVector3D>
+
+quint16 CalculateChecksum(quint16* usBuf, int size);
+
+quint16 bit_reverse_word(quint16 value);
+
+quint8 reverse(quint8 b);
+
+const QJsonObject point2json(const QPointF& point);
+
+const QPointF pointFromJson(const QJsonObject& json);
+
+const QJsonObject line2json(const QLineF& line);
+
+const QLineF lineFromJson(const QJsonObject& json);
+
+const QJsonValue real2Json(const qreal& real);
+
+qreal realFromJson(const QJsonValue& json);
+
+template <typename T> static const QString enumToString(const T& value)
+{
+    return QMetaEnum::fromType<T>().valueToKey(value);
+}
+
+template <typename T> static const T stringToEnum(const QString& name)
+{
+    return T(QMetaEnum::fromType<T>().keyToValue(name.toStdString().c_str()));
+}
+
+Q_DECL_CONST_FUNCTION uint qHash(const QVector3D& v) noexcept;
+
+template <typename T> static constexpr T min()
+{
+    return std::numeric_limits<T>::min();
+}
+
+template <typename T> static constexpr T max()
+{
+    return std::numeric_limits<T>::max();
+}
+
+template <typename T> static constexpr T lowest()
+{
+    return std::numeric_limits<T>::lowest();
+}
+
+#define INI_ENUM_FROM_JSON(type, name, default)                                \
+    m_##name(json.contains(#name) ? stringToEnum<type>(#name) : default)
+
+template <
+    typename T,
+    typename retT,
+    retT (T::*func)() const,
+    Qt::SortOrder order>
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline bool comparator(
+    const T& a,
+    const T& b
+) Q_DECL_NOTHROW
+{
+    if constexpr (order == Qt::AscendingOrder)
+    {
+        return ((&a)->*func)() < ((&b)->*func)();
+    }
+    else
+    {
+        return ((&a)->*func)() > ((&b)->*func)();
+    }
+}
+
+bool copyDir(const QString& src, const QString& dst);
+
+/*!
+ * \brief getLocalNetworkIntefaceBySubnet - get local address from the same
+ * subnet as remote
+ * \param remote - remote address
+ * \return valid local address on success, QHostAddress() otherwise
+ */
+QHostAddress getLocalNetworkIntefaceBySubnet(const QHostAddress& remote);