1 files changed, 126 insertions, 0 deletions
diff --git a/odb/qt/date-time/sqlite/qdate-traits.hxx b/odb/qt/date-time/sqlite/qdate-traits.hxx
new file mode 100644
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+++ b/odb/qt/date-time/sqlite/qdate-traits.hxx
@@ -0,0 +1,126 @@
+// file      : odb/qt/date-time/sqlite/qdate-traits.hxx
+// author    : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_QT_DATE_TIME_SQLITE_QDATE_TRAITS_HXX
+#define ODB_QT_DATE_TIME_SQLITE_QDATE_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <string>
+#include <cstddef>  // std::size_t
+#include <cstring>  // std::memcpy
+
+#include <QDate>
+
+#include <odb/details/buffer.hxx>
+#include <odb/sqlite/traits.hxx>
+#include <odb/qt/date-time/exceptions.hxx>
+
+namespace odb
+{
+  namespace sqlite
+  {
+    template <>
+    class default_value_traits<QDate, details::buffer, id_text>
+    {
+    public:
+      typedef QDate value_type;
+      typedef QDate query_type;
+      typedef details::buffer image_type;
+
+      static void
+      set_value (QDate& v,
+                 const details::buffer& i,
+                 std::size_t n,
+                 bool is_null)
+      {
+        if (is_null)
+          // A null QDate value is equivalent to an invalid QDate value.
+          // Set v to an invalid date to represent null.
+          //
+          v.setDate (0, 0, 0);
+        else
+          v = QDate::fromString (
+            QString::fromAscii (i.data (), static_cast<int> (n)),
+            "yyyy-MM-dd");
+      }
+
+      static void
+      set_image (details::buffer& i,
+                 std::size_t& n,
+                 bool& is_null,
+                 const QDate& v)
+      {
+        if (v.isNull ())
+          is_null = true;
+        else
+        {
+          is_null = false;
+
+          std::string s (v.toString ("yyyy-MM-dd").toStdString ());
+
+          n = s.size ();
+          if (n > i.capacity ())
+            i.capacity (n);
+
+          std::memcpy (i.data (), s.data (), n);
+        }
+      }
+    };
+
+    // Implementation of the mapping between QDate and SQLite INTEGER. The
+    // integer value represents UNIX time.
+    //
+    template <>
+    class default_value_traits<QDate, long long, id_integer>
+    {
+    public:
+      typedef QDate value_type;
+      typedef QDate query_type;
+      typedef long long image_type;
+
+      static void
+      set_value (QDate& v, long long i, bool is_null)
+      {
+        if (is_null)
+          // A null QDate value is equivalent to an invalid QDate value.
+          // Set v to an invalid date to represent null.
+          //
+          v.setDate (0, 0, 0);
+        else
+        {
+          QDateTime dt;
+          dt.setTimeSpec (Qt::UTC);
+          dt.setTime_t(static_cast<uint> (i));
+
+          v = dt.date ();
+        }
+      }
+
+      static void
+      set_image (long long& i, bool& is_null, const QDate& v)
+      {
+        if (v.isNull ())
+          is_null = true;
+        else if (v < QDate (1970, 1, 1))
+          throw odb::qt::date_time::value_out_of_range ();
+        else
+        {
+          is_null = false;
+          i = static_cast<long long> (
+            QDateTime (v, QTime (0, 0, 0), Qt::UTC).toTime_t ());
+        }
+      }
+    };
+
+    template <>
+    class default_type_traits<QDate>
+    {
+      static const database_type_id db_type_id = id_text;
+    };
+  }
+}
+
+#endif // ODB_QT_DATE_TIME_SQLITE_QDATE_TRAITS_HXX