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feat(c-wrapper): deal with shared from this

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This commit is contained in:
Ronan Abhamon 2017-09-27 12:14:35 +02:00
parent 950def6133
commit e46b4630da
1 changed files with 38 additions and 14 deletions
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52
src/c-wrapper/internal/c-tools.h
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@ -32,6 +32,12 @@
// Internal.
// =============================================================================
#ifdef DEBUG
#define CHECK_CPP_OBJECT_AT_RUNTIME(CPP_OBJECT) checkCppObjectAtRuntime(CPP_OBJECT)
#else
#define CHECK_CPP_OBJECT_AT_RUNTIME(CPP_OBJECT)
#endif
LINPHONE_BEGIN_NAMESPACE
template<typename CppType>
@ -45,7 +51,9 @@ struct CppTypeMetaInfo {
template<typename CType>
struct CTypeMetaInfo {
enum { defined = false };
enum {
defined = false
};
typedef void cppType;
};
@ -94,6 +102,15 @@ private:
CType *cppPtr;
};
// ---------------------------------------------------------------------------
// Runtime checker.
// ---------------------------------------------------------------------------
static inline void fatal (const char *message) {
std::cout << "[FATAL C-WRAPPER]" << message << std::endl;
exit(1);
}
public:
// ---------------------------------------------------------------------------
// Get private data of cpp Object.
@ -103,7 +120,7 @@ public:
typename CppType,
typename = typename std::enable_if<IsCppObject<CppType>::value, CppType>::type
>
static constexpr decltype (std::declval<CppType>().getPrivate()) getPrivate (CppType *cppObject) {
static constexpr decltype(std::declval<CppType>().getPrivate()) getPrivate (CppType *cppObject) {
return cppObject->getPrivate();
}
@ -190,7 +207,7 @@ public:
Variant variant = cppObject->getProperty("LinphonePrivate::Wrapper::cBackPtr");
void *value = variant.getValue<void *>();
if (value)
return reinterpret_cast<RetType *>(value);
return static_cast<RetType *>(value);
RetType *cObject = CppTypeMetaInfo<CppType>::init();
setCppPtrFromC(cObject, cppObject);
@ -202,7 +219,14 @@ public:
typename = typename std::enable_if<IsDefinedNotClonableCppObject<CppType>::value, CppType>::type
>
static inline typename CppTypeMetaInfo<CppType>::cType *getCBackPtr (CppType *cppObject) {
return getCBackPtr(std::static_pointer_cast<CppType>(cppObject->shared_from_this()));
try {
return getCBackPtr(std::static_pointer_cast<CppType>(cppObject->shared_from_this()));
} catch (const std::bad_weak_ptr &e) {
fatal(e.what());
}
L_ASSERT(false);
return nullptr;
}
template<
@ -212,10 +236,10 @@ public:
static inline typename CppTypeMetaInfo<CppType>::cType *getCBackPtr (const CppType *cppObject) {
typedef typename CppTypeMetaInfo<CppType>::cType RetType;
Variant v = cppObject->getProperty("LinphonePrivate::Wrapper::cBackPtr");
void *value = v.getValue<void *>();
Variant variant = cppObject->getProperty("LinphonePrivate::Wrapper::cBackPtr");
void *value = variant.getValue<void *>();
if (value)
return reinterpret_cast<RetType *>(value);
return static_cast<RetType *>(value);
RetType *cObject = CppTypeMetaInfo<CppType>::init();
setCppPtrFromC(cObject, cppObject);
@ -241,7 +265,7 @@ public:
// ---------------------------------------------------------------------------
template<typename T>
static inline bctbx_list_t *getCListFromCppList (const std::list<T*> &cppList) {
static inline bctbx_list_t *getCListFromCppList (const std::list<T *> &cppList) {
bctbx_list_t *result = nullptr;
for (const auto &value : cppList)
result = bctbx_list_append(result, value);
@ -249,7 +273,7 @@ public:
}
template<typename T>
static inline std::list<T*> getCppListFromCList (const bctbx_list_t *cList) {
static inline std::list<T *> getCppListFromCList (const bctbx_list_t *cList) {
std::list<T> result;
for (auto it = cList; it; it = bctbx_list_next(it))
result.push_back(static_cast<T>(bctbx_list_get_data(it)));
@ -290,7 +314,7 @@ public:
static inline std::list<std::shared_ptr<CppType>> getResolvedCppListFromCList (const bctbx_list_t *cList) {
std::list<std::shared_ptr<CppType>> result;
for (auto it = cList; it; it = bctbx_list_next(it))
result.push_back(getCppPtrFromC(reinterpret_cast<CType *>(bctbx_list_get_data(it))));
result.push_back(getCppPtrFromC(static_cast<CType *>(bctbx_list_get_data(it))));
return result;
}
@ -302,7 +326,7 @@ public:
static inline std::list<CppType> getResolvedCppListFromCList (const bctbx_list_t *cList) {
std::list<CppType> result;
for (auto it = cList; it; it = bctbx_list_next(it))
result.push_back(*getCppPtrFromC(reinterpret_cast<CType *>(bctbx_list_get_data(it))));
result.push_back(*getCppPtrFromC(static_cast<CType *>(bctbx_list_get_data(it))));
return result;
}
@ -318,7 +342,7 @@ LINPHONE_END_NAMESPACE
#define L_INTERNAL_DECLARE_C_OBJECT_FUNCTIONS(C_TYPE, CONSTRUCTOR, DESTRUCTOR) \
BELLE_SIP_DECLARE_VPTR_NO_EXPORT(Linphone ## C_TYPE); \
Linphone ## C_TYPE *_linphone_ ## C_TYPE ## _init() { \
Linphone ## C_TYPE *_linphone_ ## C_TYPE ## _init () { \
Linphone ## C_TYPE * object = belle_sip_object_new(Linphone ## C_TYPE); \
new(&object->cppPtr) std::shared_ptr<L_CPP_TYPE_OF_C_TYPE(C_TYPE)>(); \
CONSTRUCTOR(object); \
@ -443,7 +467,7 @@ LINPHONE_END_NAMESPACE
#define L_DECLARE_C_OBJECT_NEW_DEFAULT(C_TYPE, C_NAME) \
Linphone ## C_TYPE * linphone_ ## C_NAME ## _new() { \
Linphone ## C_TYPE * object = _linphone_ ## C_TYPE ## _init(); \
Linphone ## C_TYPE *object = _linphone_ ## C_TYPE ## _init(); \
object->cppPtr = std::make_shared<LINPHONE_NAMESPACE::C_TYPE>(); \
return object; \
}
@ -457,7 +481,7 @@ LINPHONE_END_NAMESPACE
#define L_C_TO_STRING(STR) ((STR) == NULL ? std::string() : (STR))
// Call the init function of wrapped C object.
#define L_INIT(C_TYPE) _linphone_ ## C_TYPE ## _init ()
#define L_INIT(C_TYPE) _linphone_ ## C_TYPE ## _init()
// Get/set the cpp-ptr of a wrapped C object.
#define L_GET_CPP_PTR_FROM_C_OBJECT_1_ARGS(C_OBJECT) \