1 files changed, 38 insertions, 0 deletions
diff --git a/xsd/cxx/option-types.hxx b/xsd/cxx/option-types.hxx
new file mode 100644
index 0000000..98a493a
--- /dev/null
+++ b/xsd/cxx/option-types.hxx
@@ -0,0 +1,38 @@
+// file      : xsd/cxx/option-types.hxx
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef XSD_XSD_OPTION_TYPES_HXX
+#define XSD_XSD_OPTION_TYPES_HXX
+
+#include <iosfwd>
+#include <string>
+
+namespace CXX
+{
+  struct cxx_version
+  {
+    enum value
+    {
+      cxx98,
+      cxx11,
+      cxx14,
+      cxx17,
+      cxx20,
+      cxx23
+    };
+
+    cxx_version (value v) : v_ (v) {}
+    operator value () const {return v_;}
+
+    std::string
+    string () const;
+
+  private:
+    value v_;
+  };
+
+  std::istream&
+  operator>> (std::istream&, cxx_version&);
+}
+
+#endif // XSD_XSD_OPTION_TYPES_HXX