1 files changed, 65 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/serializer/validating/time-zone.cxx b/libxsde/xsde/cxx/serializer/validating/time-zone.cxx
new file mode 100644
index 0000000..ae28d70
--- /dev/null
+++ b/libxsde/xsde/cxx/serializer/validating/time-zone.cxx
@@ -0,0 +1,65 @@
+// file      : xsde/cxx/serializer/validating/time-zone.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <stdio.h> // sprintf/snprintf
+
+#include <xsde/cxx/config.hxx>
+
+#include <xsde/cxx/serializer/validating/time-zone.hxx>
+
+namespace xsde
+{
+  namespace cxx
+  {
+    namespace serializer
+    {
+      namespace validating
+      {
+        namespace bits
+        {
+          int
+          serialize_time_zone (char* s, const time_zone& z)
+          {
+            // time-zone := Z|(+|-)HH:MM
+            //
+
+            short h = z.zone_hours ();
+            short m = z.zone_minutes ();
+
+            if (h == 0 && m == 0)
+            {
+              *s = 'Z';
+              return 1;
+            }
+            else
+            {
+              const char* fmt = "+%.2u:%.2u";
+
+              if (h < 0)
+              {
+                fmt = "-%.2u:%.2u";
+                h = -h;
+                m = -m;
+              }
+
+              if (h >= 0 && h <= 14 && m >= 0 && m <= 59)
+              {
+#ifdef XSDE_SNPRINTF
+                int n = snprintf (s, 7, fmt, h, m);
+#else
+                int n = sprintf (s, fmt, h, m);
+#endif
+                if (n > 0 && n < 7)
+                  return n;
+              }
+
+              return 0;
+            }
+          }
+        }
+      }
+    }
+  }
+}