mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-29 20:30:54 +00:00
Add callback template class
--HG-- branch : develop
This commit is contained in:
kaetemi
parent
fff4edb2c9
commit
176c3d8a4a
4 changed files with 399 additions and 0 deletions
327
code/nel/include/nel/misc/callback.h
Normal file
327
code/nel/include/nel/misc/callback.h
Normal file
|
|
@ -0,0 +1,327 @@
|
|||
/*
|
||||
|
||||
Copyright (c) 2009-2014, Jan BOON
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright notice, this
|
||||
list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
*/
|
||||
|
||||
#ifndef NLMISC_CALLBACK_H
|
||||
#define NLMISC_CALLBACK_H
|
||||
#include <nel/misc/types_nl.h>
|
||||
|
||||
// STL includes
|
||||
|
||||
// NeL includes
|
||||
#include <nel/misc/debug.h>
|
||||
|
||||
// Project includes
|
||||
|
||||
namespace NLMISC {
|
||||
|
||||
#define NLMISC_CALLBACK_TEMPLATE \
|
||||
/** \
|
||||
* \brief NLMISC_CALLBACK_ARGS_CLASS \
|
||||
* \date 2009-03-03 18:09GMT \
|
||||
* \author Jan BOON \
|
||||
* Callback template \
|
||||
*/ \
|
||||
template<typename TReturn NLMISC_CALLBACK_ARGS_TYPENAME> \
|
||||
class NLMISC_CALLBACK_ARGS_CLASS \
|
||||
{ \
|
||||
/* Very simple reference counting callback base */ \
|
||||
class CCallbackBase \
|
||||
{ \
|
||||
public: \
|
||||
CCallbackBase() : m_RefCount(0) \
|
||||
{ \
|
||||
\
|
||||
} \
|
||||
\
|
||||
virtual ~CCallbackBase() \
|
||||
{ \
|
||||
nlassert(!m_RefCount); \
|
||||
} \
|
||||
\
|
||||
void refAdd() \
|
||||
{ \
|
||||
++m_RefCount; \
|
||||
} \
|
||||
\
|
||||
void refRemove() \
|
||||
{ \
|
||||
--m_RefCount; \
|
||||
if (!m_RefCount) \
|
||||
delete this; \
|
||||
} \
|
||||
\
|
||||
virtual TReturn callback(NLMISC_CALLBACK_ARGS_DECL) = 0; \
|
||||
\
|
||||
virtual bool equals(const CCallbackBase *callbackBase) = 0; \
|
||||
\
|
||||
/* disable copy */ \
|
||||
CCallbackBase(const CCallbackBase &); \
|
||||
CCallbackBase &operator=(const CCallbackBase &); \
|
||||
\
|
||||
private: \
|
||||
uint m_RefCount; \
|
||||
}; \
|
||||
\
|
||||
typedef TReturn TCallbackFunction(NLMISC_CALLBACK_ARGS_DECL); \
|
||||
class CCallbackFunction : public CCallbackBase \
|
||||
{ \
|
||||
public: \
|
||||
CCallbackFunction(TCallbackFunction *callbackFunction) : m_CallbackFunction(callbackFunction) \
|
||||
{ \
|
||||
nlassert(m_CallbackFunction); \
|
||||
} \
|
||||
\
|
||||
virtual ~CCallbackFunction() \
|
||||
{ \
|
||||
m_CallbackFunction = NULL; \
|
||||
} \
|
||||
\
|
||||
virtual TReturn callback(NLMISC_CALLBACK_ARGS_DECL) \
|
||||
{ \
|
||||
return m_CallbackFunction(NLMISC_CALLBACK_ARGS_IMPL); \
|
||||
} \
|
||||
\
|
||||
virtual bool equals(const CCallbackBase *callbackBase) \
|
||||
{ \
|
||||
const CCallbackFunction *callbackFunction = \
|
||||
dynamic_cast<const CCallbackFunction *>(callbackBase); \
|
||||
if (!callbackFunction) return false; \
|
||||
return m_CallbackFunction == callbackFunction->m_CallbackFunction; \
|
||||
} \
|
||||
\
|
||||
private: \
|
||||
TCallbackFunction *m_CallbackFunction; \
|
||||
}; \
|
||||
\
|
||||
template<typename TClass> \
|
||||
class CCallbackMethod : public CCallbackBase \
|
||||
{ \
|
||||
typedef TReturn (TClass::*TCallbackMethod)(NLMISC_CALLBACK_ARGS_DECL); \
|
||||
public: \
|
||||
CCallbackMethod(TClass *callbackObject, TCallbackMethod callbackMethod) : m_CallbackObject(callbackObject), m_CallbackMethod(callbackMethod) \
|
||||
{ \
|
||||
nlassert(m_CallbackObject); \
|
||||
nlassert(m_CallbackMethod); \
|
||||
} \
|
||||
\
|
||||
virtual ~CCallbackMethod() \
|
||||
{ \
|
||||
m_CallbackObject = NULL; \
|
||||
m_CallbackMethod = NULL; \
|
||||
} \
|
||||
\
|
||||
virtual TReturn callback(NLMISC_CALLBACK_ARGS_DECL) \
|
||||
{ \
|
||||
return (m_CallbackObject->*m_CallbackMethod)(NLMISC_CALLBACK_ARGS_IMPL); \
|
||||
} \
|
||||
\
|
||||
virtual bool equals(const CCallbackBase *callbackBase) \
|
||||
{ \
|
||||
const CCallbackMethod *callbackMethod = \
|
||||
dynamic_cast<const CCallbackMethod *>(callbackBase); \
|
||||
if (!callbackMethod) return false; \
|
||||
return m_CallbackObject == callbackMethod->m_CallbackObject \
|
||||
&& m_CallbackMethod == callbackMethod->m_CallbackMethod; \
|
||||
} \
|
||||
\
|
||||
private: \
|
||||
TClass *m_CallbackObject; \
|
||||
TCallbackMethod m_CallbackMethod; \
|
||||
}; \
|
||||
\
|
||||
public: \
|
||||
CCallback() : m_CallbackBase(NULL) \
|
||||
{ \
|
||||
\
|
||||
} \
|
||||
\
|
||||
CCallback(TCallbackFunction *callbackFunction) : m_CallbackBase(new CCallbackFunction(callbackFunction)) \
|
||||
{ \
|
||||
nlassert(m_CallbackBase); \
|
||||
m_CallbackBase->refAdd(); \
|
||||
} \
|
||||
\
|
||||
template<typename TClass> \
|
||||
CCallback(TClass *callbackObject, TReturn (TClass::*callbackMethod)(NLMISC_CALLBACK_ARGS_DECL)) : m_CallbackBase(new CCallbackMethod<TClass>(callbackObject, callbackMethod)) \
|
||||
{ \
|
||||
nlassert(m_CallbackBase); \
|
||||
m_CallbackBase->refAdd(); \
|
||||
} \
|
||||
\
|
||||
CCallback(const CCallback &callback) \
|
||||
{ \
|
||||
m_CallbackBase = callback.m_CallbackBase; \
|
||||
if (m_CallbackBase) \
|
||||
m_CallbackBase->refAdd(); \
|
||||
} \
|
||||
\
|
||||
CCallback &operator=(const CCallback &callback) \
|
||||
{ \
|
||||
if (m_CallbackBase != callback.m_CallbackBase) \
|
||||
{ \
|
||||
if (m_CallbackBase) \
|
||||
m_CallbackBase->refRemove(); \
|
||||
m_CallbackBase = callback.m_CallbackBase; \
|
||||
if (m_CallbackBase) \
|
||||
m_CallbackBase->refAdd(); \
|
||||
} \
|
||||
return *this; \
|
||||
} \
|
||||
\
|
||||
~CCallback() \
|
||||
{ \
|
||||
if (m_CallbackBase) \
|
||||
{ \
|
||||
m_CallbackBase->refRemove(); \
|
||||
m_CallbackBase = NULL; \
|
||||
} \
|
||||
} \
|
||||
\
|
||||
TReturn callback(NLMISC_CALLBACK_ARGS_DECL) \
|
||||
{ \
|
||||
nlassert(m_CallbackBase); \
|
||||
return m_CallbackBase->callback(NLMISC_CALLBACK_ARGS_IMPL); \
|
||||
} \
|
||||
\
|
||||
TReturn operator()(NLMISC_CALLBACK_ARGS_DECL) \
|
||||
{ \
|
||||
nlassert(m_CallbackBase); \
|
||||
return m_CallbackBase->callback(NLMISC_CALLBACK_ARGS_IMPL); \
|
||||
} \
|
||||
\
|
||||
bool valid() const \
|
||||
{ \
|
||||
return m_CallbackBase != NULL; \
|
||||
} \
|
||||
\
|
||||
operator bool() const \
|
||||
{ \
|
||||
return m_CallbackBase != NULL; \
|
||||
} \
|
||||
\
|
||||
bool operator==(const CCallback &callback) \
|
||||
{ \
|
||||
return m_CallbackBase->equals(callback.m_CallbackBase); \
|
||||
} \
|
||||
\
|
||||
private: \
|
||||
CCallbackBase *m_CallbackBase; \
|
||||
\
|
||||
}; /* class CCallback */ \
|
||||
|
||||
template<typename TReturn, typename TArgsA = void, typename TArgsB = void, typename TArgsC = void, typename TArgsD = void, typename TArgsE = void, typename TArgsF = void, typename TArgsG = void, typename TDummy = void>
|
||||
class CCallback;
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, void, void, void, void, void, void, void, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#define NLMISC_CALLBACK_ARGS_DECL
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, TArgsA, void, void, void, void, void, void, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME , typename TArgsA
|
||||
#define NLMISC_CALLBACK_ARGS_DECL TArgsA argsA
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL argsA
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, TArgsA, TArgsB, void, void, void, void, void, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME , typename TArgsA, typename TArgsB
|
||||
#define NLMISC_CALLBACK_ARGS_DECL TArgsA argsA, TArgsB argsB
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL argsA, argsB
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, TArgsA, TArgsB, TArgsC, void, void, void, void, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME , typename TArgsA, typename TArgsB, typename TArgsC
|
||||
#define NLMISC_CALLBACK_ARGS_DECL TArgsA argsA, TArgsB argsB, TArgsC argsC
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL argsA, argsB, argsC
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, TArgsA, TArgsB, TArgsC, TArgsD, void, void, void, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME , typename TArgsA, typename TArgsB, typename TArgsC, typename TArgsD
|
||||
#define NLMISC_CALLBACK_ARGS_DECL TArgsA argsA, TArgsB argsB, TArgsC argsC, TArgsD argsD
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL argsA, argsB, argsC, argsD
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, TArgsA, TArgsB, TArgsC, TArgsD, TArgsE, void, void, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME , typename TArgsA, typename TArgsB, typename TArgsC, typename TArgsD, typename TArgsE
|
||||
#define NLMISC_CALLBACK_ARGS_DECL TArgsA argsA, TArgsB argsB, TArgsC argsC, TArgsD argsD, TArgsE argsE
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL argsA, argsB, argsC, argsD, argsE
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, TArgsA, TArgsB, TArgsC, TArgsD, TArgsE, TArgsF, void, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME , typename TArgsA, typename TArgsB, typename TArgsC, typename TArgsD, typename TArgsE, typename TArgsF
|
||||
#define NLMISC_CALLBACK_ARGS_DECL TArgsA argsA, TArgsB argsB, TArgsC argsC, TArgsD argsD, TArgsE argsE, TArgsF argsF
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL argsA, argsB, argsC, argsD, argsE, argsF
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
|
||||
#define NLMISC_CALLBACK_ARGS_CLASS CCallback<TReturn, TArgsA, TArgsB, TArgsC, TArgsD, TArgsE, TArgsF, TArgsG, void>
|
||||
#define NLMISC_CALLBACK_ARGS_TYPENAME , typename TArgsA, typename TArgsB, typename TArgsC, typename TArgsD, typename TArgsE, typename TArgsF, typename TArgsG
|
||||
#define NLMISC_CALLBACK_ARGS_DECL TArgsA argsA, TArgsB argsB, TArgsC argsC, TArgsD argsD, TArgsE argsE, TArgsF argsF, TArgsG argsG
|
||||
#define NLMISC_CALLBACK_ARGS_IMPL argsA, argsB, argsC, argsD, argsE, argsF, argsG
|
||||
NLMISC_CALLBACK_TEMPLATE
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASS
|
||||
#undef NLMISC_CALLBACK_ARGS_TYPENAME
|
||||
#undef NLMISC_CALLBACK_ARGS_DECL
|
||||
#undef NLMISC_CALLBACK_ARGS_IMPL
|
||||
#undef NLMISC_CALLBACK_ARGS_CLASSNAME
|
||||
|
||||
#undef NLMISC_CALLBACK_TEMPLATE
|
||||
|
||||
} /* namespace NLMISC */
|
||||
|
||||
#endif /* #ifndef NLMISC_CALLBACK_H */
|
||||
|
||||
/* end of file */
|
||||
|
|
@ -1,3 +1,4 @@
|
|||
ADD_SUBDIRECTORY(callback)
|
||||
ADD_SUBDIRECTORY(command)
|
||||
ADD_SUBDIRECTORY(configfile)
|
||||
ADD_SUBDIRECTORY(debug)
|
||||
|
|
|
|||
9
code/nel/samples/misc/callback/CMakeLists.txt
Normal file
9
code/nel/samples/misc/callback/CMakeLists.txt
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
FILE(GLOB SRC *.cpp)
|
||||
|
||||
ADD_EXECUTABLE(nl_sample_callback ${SRC})
|
||||
|
||||
TARGET_LINK_LIBRARIES(nl_sample_callback nelmisc)
|
||||
NL_DEFAULT_PROPS(nl_sample_callback "NeL, Samples, Misc: Callback")
|
||||
NL_ADD_RUNTIME_FLAGS(nl_sample_callback)
|
||||
|
||||
INSTALL(TARGETS nl_sample_callback RUNTIME DESTINATION ${NL_BIN_PREFIX} COMPONENT samplesmisc)
|
||||
62
code/nel/samples/misc/callback/main.cpp
Normal file
62
code/nel/samples/misc/callback/main.cpp
Normal file
|
|
@ -0,0 +1,62 @@
|
|||
/*
|
||||
|
||||
Copyright (c) 2014, Jan BOON
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright notice, this
|
||||
list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
*/
|
||||
|
||||
#include <nel/misc/callback.h>
|
||||
#include <nel/misc/debug.h>
|
||||
|
||||
class CTestClass
|
||||
{
|
||||
public:
|
||||
void helloWorld(int y)
|
||||
{
|
||||
nldebug("Method call: %i, %i", y, x);
|
||||
}
|
||||
int x;
|
||||
};
|
||||
|
||||
void functionCall(int i)
|
||||
{
|
||||
nldebug("Function call: %i", i);
|
||||
}
|
||||
|
||||
typedef NLMISC::CCallback<void, int> TCallbackType;
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
CTestClass tc;
|
||||
tc.x = 42;
|
||||
|
||||
TCallbackType cbMethod = TCallbackType(&tc, &CTestClass::helloWorld);
|
||||
TCallbackType cbFunction = TCallbackType(functionCall);
|
||||
cbMethod(100);
|
||||
cbFunction(99);
|
||||
|
||||
getchar();
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
Loading…
Reference in a new issue