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// file : odb/qt/basic/sqlite/qstring-traits.hxx
// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_QT_BASIC_SQLITE_QSTRING_TRAITS_HXX
#define ODB_QT_BASIC_SQLITE_QSTRING_TRAITS_HXX
#include <odb/pre.hxx>
#include <cstring> // std::memcpy
#include <cstddef> // std::size_t
#include <QtCore/QString>
#include <odb/details/buffer.hxx>
#include <odb/sqlite/traits.hxx>
namespace odb
{
namespace sqlite
{
template <>
struct image_traits<QString, id_text>
{
typedef details::buffer image_type;
// Use UTF-16 binding for QString.
//
static const bind::buffer_type bind_value = bind::text16;
};
template <>
struct default_value_traits <QString, id_text>
{
public:
typedef QString value_type;
typedef QString query_type;
typedef details::buffer image_type;
static void
set_value (QString& v,
const details::buffer& b,
std::size_t n,
bool is_null)
{
if (is_null)
v = QString ();
else
v.setUtf16 (reinterpret_cast<const ushort*> (b.data ()),
static_cast<int> (n / 2)); // In characters.
}
static void
set_image (details::buffer& b,
std::size_t& n,
bool& is_null,
const QString& v)
{
if (v.isNull ())
is_null = true;
else
{
is_null = false;
n = static_cast<std::size_t> (v.size ()) * 2; // In bytes.
if (n > b.capacity ())
b.capacity (n);
std::memcpy (b.data (), v.utf16 (), n);
}
}
};
template <>
struct default_type_traits<QString>
{
static const database_type_id db_type_id = id_text;
};
}
}
#include <odb/post.hxx>
#endif // ODB_QT_BASIC_SQLITE_QSTRING_TRAITS_HXX
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