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author | Karen Arutyunov <karen@codesynthesis.com> | 2024-02-01 20:50:43 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2024-02-01 20:50:43 +0300 |
commit | 5f1cd97b9727fe10df79e1eb316ff493d9dfc2a9 (patch) | |
tree | 3f0d866222115bd1b42cb538efaac2219ef2afa8 /libodb-qt/odb/qt/basic/mysql/qbyte-array-traits.hxx | |
parent | c020bda61fe4a8108772309561d1f8e2f089aec0 (diff) |
Turn libodb-qt repository into package for muti-package repositorylibodb-qt
Diffstat (limited to 'libodb-qt/odb/qt/basic/mysql/qbyte-array-traits.hxx')
-rw-r--r-- | libodb-qt/odb/qt/basic/mysql/qbyte-array-traits.hxx | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libodb-qt/odb/qt/basic/mysql/qbyte-array-traits.hxx b/libodb-qt/odb/qt/basic/mysql/qbyte-array-traits.hxx new file mode 100644 index 0000000..bfcfc69 --- /dev/null +++ b/libodb-qt/odb/qt/basic/mysql/qbyte-array-traits.hxx @@ -0,0 +1,78 @@ +// file : odb/qt/basic/mysql/qbyte-array-traits.hxx +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_QT_BASIC_MYSQL_QBYTE_ARRAY_TRAITS_HXX +#define ODB_QT_BASIC_MYSQL_QBYTE_ARRAY_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <cstring> // std::memcpy +#include <cstddef> // std::size_t + +#include <QtCore/QByteArray> + +#include <odb/details/buffer.hxx> +#include <odb/mysql/traits.hxx> + +namespace odb +{ + namespace mysql + { + template <> + struct default_value_traits<QByteArray, id_blob> + { + 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 + { + // Note that we cannot use replace() here since a suitable + // overload was only added in Qt 4.7. + // + v.resize (static_cast<int> (n)); + std::memcpy (v.data (), b.data (), 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 <> + struct default_type_traits<QByteArray> + { + static const database_type_id db_type_id = id_blob; + }; + } +} + +#include <odb/post.hxx> + +#endif // ODB_QT_BASIC_MYSQL_QBYTE_ARRAY_TRAITS_HXX |