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// file : odb/qt/date-time/sqlite/qtime-traits.hxx
// copyright : Copyright (c) 2009-2018 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_QT_DATE_TIME_SQLITE_QTIME_TRAITS_HXX
#define ODB_QT_DATE_TIME_SQLITE_QTIME_TRAITS_HXX
#include <odb/pre.hxx>
#include <string>
#include <cstddef> // std::size_t
#include <cstring> // std::memcpy
#include <QtCore/QTime>
#include <odb/details/buffer.hxx>
#include <odb/sqlite/traits.hxx>
namespace odb
{
namespace sqlite
{
template <>
struct default_value_traits<QTime, id_text>
{
typedef QTime value_type;
typedef QTime query_type;
typedef details::buffer image_type;
static void
set_value (QTime& v,
const details::buffer& i,
std::size_t n,
bool is_null)
{
if (is_null)
// A null QTime value is equivalent to an invalid QTime value.
// Set v to an invalid time to represent null (hour value of
// a valid time must be in the range 0-23).
//
v.setHMS (24, 0, 0);
else
v = QTime::fromString (
QString::fromLatin1 (i.data (), static_cast<int> (n)),
"HH:mm:ss.zzz");
}
static void
set_image (details::buffer& i,
std::size_t& n,
bool& is_null,
const QTime& v)
{
if (v.isNull ())
is_null = true;
else
{
is_null = false;
// Cannot use toStdString() here since Qt could have been
// configured without the STL compatibility support.
//
std::string s (
v.toString ("HH:mm:ss.zzz").toLatin1 ().constData ());
n = s.size ();
if (n > i.capacity ())
i.capacity (n);
std::memcpy (i.data (), s.data (), n);
}
}
};
// Implementation of mapping between QTime and SQLite INTEGER. The
// integer value represents seconds since midnight.
//
template <>
struct default_value_traits<QTime, id_integer>
{
typedef QTime value_type;
typedef QTime query_type;
typedef long long image_type;
static void
set_value (QTime& v, long long i, bool is_null)
{
if (is_null)
// A null QTime value is equivalent to an invalid QTime value.
// Set v to an invalid time to represent null (hour value of
// a valid time must be in the range 0-23).
//
v.setHMS (24, 0, 0);
else
v = QTime (0, 0, 0).addSecs (static_cast<int> (i));
}
static void
set_image (long long& i, bool& is_null, const QTime& v)
{
if (v.isNull ())
is_null = true;
else
{
is_null = false;
i = static_cast<long long> (QTime (0, 0, 0).secsTo (v));
}
}
};
template <>
struct default_type_traits<QTime>
{
static const database_type_id db_type_id = id_text;
};
}
}
#include <odb/post.hxx>
#endif // ODB_QT_DATE_TIME_SQLITE_QTIME_TRAITS_HXX
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