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cpp-libs
Actor Framework
Commits
9a5dbc12
Commit
9a5dbc12
authored
Jan 23, 2020
by
Dominik Charousset
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Add new type ID list
parent
0b02da9f
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4 changed files
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+196
-0
libcaf_core/CMakeLists.txt
libcaf_core/CMakeLists.txt
+2
-0
libcaf_core/caf/type_id_list.hpp
libcaf_core/caf/type_id_list.hpp
+93
-0
libcaf_core/src/type_id_list.cpp
libcaf_core/src/type_id_list.cpp
+39
-0
libcaf_core/test/type_id_list.cpp
libcaf_core/test/type_id_list.cpp
+62
-0
No files found.
libcaf_core/CMakeLists.txt
View file @
9a5dbc12
...
...
@@ -155,6 +155,7 @@ set(CAF_CORE_SOURCES
src/tracing_data_factory.cpp
src/type_erased_tuple.cpp
src/type_erased_value.cpp
src/type_id_list.cpp
src/uniform_type_info_map.cpp
src/uri.cpp
src/uri_builder.cpp
...
...
@@ -270,6 +271,7 @@ set(CAF_CORE_TEST_SOURCES
test/to_string.cpp
test/tracing_data.cpp
test/type_erased_tuple.cpp
test/type_id_list.cpp
test/typed_response_promise.cpp
test/typed_spawn.cpp
test/unit.cpp
...
...
libcaf_core/caf/type_id_list.hpp
0 → 100644
View file @
9a5dbc12
/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2020 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#pragma once
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <string>
#include "caf/detail/comparable.hpp"
#include "caf/detail/core_export.hpp"
#include "caf/type_id.hpp"
namespace
caf
{
/// A list of 16-bit type IDs, stored in a size-prefix, contiguous memory block.
class
type_id_list
:
detail
::
comparable
<
type_id_list
>
{
public:
using
pointer
=
const
uint16_t
*
;
constexpr
explicit
type_id_list
(
pointer
data
)
noexcept
:
data_
(
data
)
{
// nop
}
constexpr
type_id_list
(
const
type_id_list
&
)
noexcept
=
default
;
type_id_list
&
operator
=
(
const
type_id_list
&
)
noexcept
=
default
;
/// Queries whether this type list contains data, i,e, `data() != nullptr`.
constexpr
operator
bool
()
const
noexcept
{
return
data_
!=
nullptr
;
}
/// Returns the raw pointer to the size-prefixed list.
constexpr
pointer
data
()
const
noexcept
{
return
data_
;
}
/// Returns the number of elements in the list.
/// @pre `data() != nullptr`
constexpr
size_t
size
()
const
noexcept
{
return
data_
[
0
];
}
/// Returns the type ID at `index`.
/// @pre `data() != nullptr`
constexpr
uint16_t
operator
[](
size_t
index
)
const
noexcept
{
return
data_
[
index
+
1
];
}
/// Compares this list to `other`.
int
compare
(
type_id_list
other
)
const
noexcept
{
return
memcmp
(
data_
,
other
.
data_
,
size
()
*
sizeof
(
uint16_t
));
}
private:
pointer
data_
;
};
/// @private
template
<
class
...
Ts
>
struct
make_type_id_list_helper
{
static
constexpr
inline
uint16_t
data
[]
=
{
static_cast
<
uint16_t
>
(
sizeof
...(
Ts
)),
type_id_v
<
Ts
>
...};
};
/// Constructs a ::type_id_list from the template parameter pack `Ts`.
/// @relates type_id_list
template
<
class
...
Ts
>
constexpr
type_id_list
make_type_id_list
()
{
return
type_id_list
{
make_type_id_list_helper
<
Ts
...
>::
data
};
}
/// @relates type_id_list
CAF_CORE_EXPORT
std
::
string
to_string
(
type_id_list
xs
);
}
// namespace caf
libcaf_core/src/type_id_list.cpp
0 → 100644
View file @
9a5dbc12
/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2020 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#include "caf/type_id_list.hpp"
#include "caf/detail/meta_object.hpp"
namespace
caf
{
std
::
string
to_string
(
type_id_list
xs
)
{
if
(
!
xs
||
xs
.
size
()
==
0
)
return
"[]"
;
std
::
string
result
;
result
+=
'['
;
result
+=
detail
::
global_meta_object
(
xs
[
0
]).
type_name
;
for
(
size_t
index
=
1
;
index
<
xs
.
size
();
++
index
)
{
result
+=
", "
;
result
+=
detail
::
global_meta_object
(
xs
[
index
]).
type_name
;
}
result
+=
']'
;
return
result
;
}
}
// namespace caf
libcaf_core/test/type_id_list.cpp
0 → 100644
View file @
9a5dbc12
/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2020 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#define CAF_SUITE type_id_list
#include "caf/type_id_list.hpp"
#include "caf/test/dsl.hpp"
#include "caf/init_global_meta_objects.hpp"
using
namespace
caf
;
CAF_TEST
(
lists
store
the
size
at
index
0
)
{
uint16_t
data
[]
=
{
3
,
1
,
2
,
4
};
type_id_list
xs
{
data
};
CAF_CHECK_EQUAL
(
xs
.
size
(),
3u
);
CAF_CHECK_EQUAL
(
xs
[
0
],
1u
);
CAF_CHECK_EQUAL
(
xs
[
1
],
2u
);
CAF_CHECK_EQUAL
(
xs
[
2
],
4u
);
}
CAF_TEST
(
lists
are
comparable
)
{
uint16_t
data
[]
=
{
3
,
1
,
2
,
4
};
type_id_list
xs
{
data
};
uint16_t
data_copy
[]
=
{
3
,
1
,
2
,
4
};
type_id_list
ys
{
data_copy
};
CAF_CHECK_EQUAL
(
xs
,
ys
);
data_copy
[
1
]
=
10
;
CAF_CHECK_NOT_EQUAL
(
xs
,
ys
);
CAF_CHECK_LESS
(
xs
,
ys
);
}
CAF_TEST
(
make_type_id_list
constructs
a
list
from
types
)
{
auto
xs
=
make_type_id_list
<
uint8_t
,
bool
,
float
>
();
CAF_CHECK_EQUAL
(
xs
.
size
(),
3u
);
CAF_CHECK_EQUAL
(
xs
[
0
],
type_id_v
<
uint8_t
>
);
CAF_CHECK_EQUAL
(
xs
[
1
],
type_id_v
<
bool
>
);
CAF_CHECK_EQUAL
(
xs
[
2
],
type_id_v
<
float
>
);
}
CAF_TEST
(
type
ID
lists
are
convertible
to
strings
)
{
detail
::
clear_global_meta_objects
();
init_global_meta_objects
<
builtin_type_ids
>
();
auto
xs
=
make_type_id_list
<
uint8_t
,
bool
,
float
>
();
CAF_CHECK_EQUAL
(
to_string
(
xs
),
"[uint8_t, bool, float]"
);
}
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