diff options
Diffstat (limited to 'odb/qt/basic/sqlite/qbyte-array-traits.hxx')
-rw-r--r-- | odb/qt/basic/sqlite/qbyte-array-traits.hxx | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/odb/qt/basic/sqlite/qbyte-array-traits.hxx b/odb/qt/basic/sqlite/qbyte-array-traits.hxx new file mode 100644 index 0000000..5f30222 --- /dev/null +++ b/odb/qt/basic/sqlite/qbyte-array-traits.hxx @@ -0,0 +1,72 @@ +// file : odb/qt/basic/sqlite/qbyte-array-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_BASIC_SQLITE_QBYTE_ARRAY_TRAITS_HXX +#define ODB_QT_BASIC_SQLITE_QBYTE_ARRAY_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <cstring> // std::memcpy +#include <cstddef> // std::size_t + +#include <QByteArray> + +#include <odb/details/buffer.hxx> +#include <odb/sqlite/traits.hxx> + +namespace odb +{ + namespace sqlite + { + template <> + class default_value_traits<QByteArray, details::buffer, id_blob> + { + public: + typedef QByteArray value_type; + typedef QByteArray query_type; + typedef details::buffer image_type; + + static void + set_value (QByteArray& v, + const details::buffer& b, + std::size_t n, + bool is_null) + { + if (is_null) + v = QByteArray (); + else + v.replace (0, v.size (), b.data (), static_cast<int> (n)); + } + + static void + set_image (details::buffer& b, + std::size_t& n, + bool& is_null, + const QByteArray& v) + { + if (v.isNull ()) + is_null = true; + else + { + is_null = false; + + n = static_cast<std::size_t> (v.size ()); + if (n > b.capacity ()) + b.capacity (n); + + std::memcpy (b.data (), v.data (), n); + } + } + }; + + template <> + class default_type_traits<QByteArray> + { + static const database_type_id db_type_id = id_blob; + }; + } +} + +#endif // ODB_QT_BASIC_SQLITE_QBYTE_ARRAY_TRAITS_HXX |