Settings variable abstract base, additional validation, and reading/writing JSON

scwx-qt/source/scwx/qt/settings/settings_variable_base.cpp

@@ -0,0 +1,54 @@
+#include <scwx/qt/settings/settings_variable_base.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace settings
+{
+
+static const std::string logPrefix_ =
+   "scwx::qt::settings::settings_variable_base";
+
+class SettingsVariableBase::Impl
+{
+public:
+   explicit Impl(const std::string& name) : name_ {name} {}
+
+   ~Impl() {}
+
+   const std::string name_;
+};
+
+SettingsVariableBase::SettingsVariableBase(const std::string& name) :
+    p(std::make_unique<Impl>(name))
+{
+}
+
+SettingsVariableBase::~SettingsVariableBase() = default;
+
+SettingsVariableBase::SettingsVariableBase(SettingsVariableBase&&) noexcept =
+   default;
+
+SettingsVariableBase&
+SettingsVariableBase::operator=(SettingsVariableBase&&) noexcept = default;
+
+std::string SettingsVariableBase::name() const
+{
+   return p->name_;
+}
+
+bool SettingsVariableBase::Equals(const SettingsVariableBase& o) const
+{
+   return p->name_ == o.p->name_;
+}
+
+bool operator==(const SettingsVariableBase& lhs,
+                const SettingsVariableBase& rhs)
+{
+   return typeid(lhs) == typeid(rhs) && lhs.Equals(rhs);
+}
+
+} // namespace settings
+} // namespace qt
+} // namespace scwx