81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// This file is part of OpenCV project.
|
|
// It is subject to the license terms in the LICENSE file found in the top-level directory
|
|
// of this distribution and at http://opencv.org/license.html.
|
|
//
|
|
// Copyright (C) 2020-2021 Intel Corporation
|
|
|
|
#ifndef OPENCV_GAPI_S11N_BASE_HPP
|
|
#define OPENCV_GAPI_S11N_BASE_HPP
|
|
|
|
#include <opencv2/gapi/own/assert.hpp>
|
|
#include <opencv2/gapi/own/exports.hpp>
|
|
|
|
namespace cv {
|
|
namespace gapi {
|
|
|
|
/**
|
|
* @brief This namespace contains G-API serialization and
|
|
* deserialization functions and data structures.
|
|
*/
|
|
namespace s11n {
|
|
struct IOStream;
|
|
struct IIStream;
|
|
|
|
namespace detail {
|
|
|
|
//! @addtogroup gapi_serialization
|
|
//! @{
|
|
|
|
struct NotImplemented {
|
|
};
|
|
|
|
/** @brief This structure allows to implement serialization routines for custom types.
|
|
*
|
|
* The default S11N for custom types is not implemented.
|
|
*
|
|
* @note When providing an overloaded implementation for S11N with your type
|
|
* don't inherit it from NotImplemented structure.
|
|
*
|
|
* @note There are lots of overloaded >> and << operators for basic and OpenCV/G-API types
|
|
* which can be utilized when serializing a custom type.
|
|
*
|
|
* Example of usage:
|
|
* @snippet samples/cpp/tutorial_code/gapi/doc_snippets/api_ref_snippets.cpp S11N usage
|
|
*
|
|
*/
|
|
template<typename T>
|
|
struct S11N: public NotImplemented {
|
|
/**
|
|
* @brief This function allows user to serialize their custom type.
|
|
*
|
|
* @note The default overload throws an exception if called. User need to
|
|
* properly overload the function to use it.
|
|
*/
|
|
static void serialize(IOStream &, const T &) {
|
|
GAPI_Assert(false && "No serialization routine is provided!");
|
|
}
|
|
/**
|
|
* @brief This function allows user to deserialize their custom type.
|
|
*
|
|
* @note The default overload throws an exception if called. User need to
|
|
* properly overload the function to use it.
|
|
*/
|
|
static T deserialize(IIStream &) {
|
|
GAPI_Assert(false && "No deserialization routine is provided!");
|
|
}
|
|
};
|
|
|
|
/// @private -- Exclude this struct from OpenCV documentation
|
|
template<typename T> struct has_S11N_spec {
|
|
static constexpr bool value = !std::is_base_of<NotImplemented,
|
|
S11N<typename std::decay<T>::type>>::value;
|
|
};
|
|
//! @} gapi_serialization
|
|
|
|
} // namespace detail
|
|
} // namespace s11n
|
|
} // namespace gapi
|
|
} // namespace cv
|
|
|
|
#endif // OPENCV_GAPI_S11N_BASE_HPP
|