1 files changed, 32 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/serializer/validating/time-zone.ixx b/libxsde/xsde/cxx/serializer/validating/time-zone.ixx
new file mode 100644
index 0000000..c6e80f4
--- /dev/null
+++ b/libxsde/xsde/cxx/serializer/validating/time-zone.ixx
@@ -0,0 +1,32 @@
+// file      : xsde/cxx/serializer/validating/time-zone.ixx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+namespace xsde
+{
+  namespace cxx
+  {
+    namespace serializer
+    {
+      namespace validating
+      {
+        namespace bits
+        {
+          inline bool
+          valid_time_zone (const time_zone& z)
+          {
+            short h = z.zone_hours ();
+            short m = z.zone_minutes ();
+
+            unsigned short ah = h < 0 ? -h : h;
+            unsigned short am = m < 0 ? -m : m;
+
+            return ((h <= 0 && m <= 0) || (h >= 0 && m >= 0)) &&
+              ((ah < 14 && am < 60) || (ah == 14 && am == 0));
+          }
+        }
+      }
+    }
+  }
+}