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// file : odb/qt/mysql/qstring-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_MYSQL_QSTRING_TRAITS_HXX
#define ODB_QT_MYSQL_QSTRING_TRAITS_HXX
#include <odb/pre.hxx>
#include <cstddef> // std::size_t
#include <odb/mysql/traits.hxx>
#include <odb/details/buffer.hxx>
#include <QString>
namespace odb
{
namespace mysql
{
class LIBODB_MYSQL_EXPORT qstring_value_traits
{
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::fromLocal8Bit (b.data (), n);
else
v.clear ();
}
static void
set_image (details::buffer& b,
std::size_t& n,
bool& is_null,
const QString& v)
{
is_null = false;
const std::string& s (v.toStdString ());
n = s.size ();
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), s.data (), n);
}
};
template <>
struct LIBODB_MYSQL_EXPORT default_value_traits<
QString, details::buffer, id_string>: qstring_value_traits
{
};
template <>
struct LIBODB_MYSQL_EXPORT default_value_traits<
QString, details::buffer, id_decimal>: qstring_value_traits
{
};
template <>
struct LIBODB_MYSQL_EXPORT default_value_traits<
QString, details::buffer, id_enum>: qstring_value_traits
{
};
template <>
struct LIBODB_MYSQL_EXPORT default_value_traits<
QString, details::buffer, id_set>: qstring_value_traits
{
};
template <>
struct default_type_traits<QString>
{
static const database_type_id db_type_id = id_string;
};
}
}
#include <odb/post.hxx>
#endif // ODB_QT_MYSQL_QSTRING_TRAITS_HXX
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