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Diff: ble/CallChainOfFunctionPointersWithContext.h
- Revision:
- 933:3ec277a0d780
- Parent:
- 932:68a113707ba5
- Child:
- 934:5e3acddfcd82
--- a/ble/CallChainOfFunctionPointersWithContext.h Thu Nov 26 12:52:05 2015 +0000 +++ b/ble/CallChainOfFunctionPointersWithContext.h Thu Nov 26 12:52:06 2015 +0000 @@ -61,9 +61,9 @@ typedef FunctionPointerWithContext<ContextType> *pFunctionPointerWithContext_t; public: - /** Create an empty chain. + /** Create an empty chain * - * @param size (optional) Initial size of the chain. + * @param size (optional) Initial size of the chain */ CallChainOfFunctionPointersWithContext() : chainHead(NULL) { /* empty */ @@ -73,71 +73,30 @@ clear(); } - /** Add a function at the front of the chain. + /** Add a function at the front of the chain * - * @param function A pointer to a void function. + * @param function A pointer to a void function * * @returns - * The function object created for 'function'. + * The function object created for 'function' */ pFunctionPointerWithContext_t add(void (*function)(ContextType context)) { return common_add(new FunctionPointerWithContext<ContextType>(function)); } - /** Add a function at the front of the chain. + /** Add a function at the front of the chain * - * @param tptr Pointer to the object to call the member function on. - * @param mptr Pointer to the member function to be called. + * @param tptr pointer to the object to call the member function on + * @param mptr pointer to the member function to be called * * @returns - * The function object created for 'tptr' and 'mptr'. + * The function object created for 'tptr' and 'mptr' */ template<typename T> pFunctionPointerWithContext_t add(T *tptr, void (T::*mptr)(ContextType context)) { return common_add(new FunctionPointerWithContext<ContextType>(tptr, mptr)); } - /** Add a function at the front of the chain. - * - * @param func The FunctionPointerWithContext to add. - */ - void add(const FunctionPointerWithContext<ContextType>& func) { - common_add(new FunctionPointerWithContext<ContextType>(func)); - } - - /** - * Detach a function pointer from a callchain - * - * @oaram toDetach FunctionPointerWithContext to detach from this callchain - * - * @return true if a function pointer has been detached and false otherwise - */ - void detach(const FunctionPointerWithContext<ContextType>& toDetach) { - pFunctionPointerWithContext_t current = chainHead; - pFunctionPointerWithContext_t previous = NULL; - - while (current) { - if(*current == toDetach) { - if(previous == NULL) { - if(currentCalled == current) { - currentCalled = NULL; - } - chainHead = current->getNext(); - } else { - if(currentCalled == current) { - currentCalled = previous; - } - previous->chainAsNext(current->getNext()); - } - delete current; - return; - } - - previous = current; - current = current->getNext(); - } - } - /** Clear the call chain (remove all functions in the chain). */ void clear(void) { @@ -156,45 +115,16 @@ } /** Call all the functions in the chain in sequence - * @Note: The stack frames of all the callbacks within the chained + * @Note: the stack frames of all the callbacks within the chained * FunctionPointers will stack up. Hopefully there won't be too many * chained FunctionPointers. */ void call(ContextType context) { - ((const CallChainOfFunctionPointersWithContext*) this)->call(context); - } - - /** - * @brief same as above but const - */ - void call(ContextType context) const { - currentCalled = chainHead; - - while(currentCalled) { - currentCalled->call(context); - // if this was the head and the call removed the head - if(currentCalled == NULL) { - currentCalled = chainHead; - } else { - currentCalled = currentCalled->getNext(); - } + if (chainHead) { + chainHead->call(context); } } - /** - * @brief same as above but with function call operator - */ - void operator()(ContextType context) const { - call(context); - } - - typedef void (CallChainOfFunctionPointersWithContext::*bool_type)() const; - void True() const {} - - operator bool_type() const { - return chainHead == NULL ? 0 : &CallChainOfFunctionPointersWithContext::True; - } - private: pFunctionPointerWithContext_t common_add(pFunctionPointerWithContext_t pf) { if (chainHead == NULL) { @@ -209,10 +139,8 @@ private: pFunctionPointerWithContext_t chainHead; - mutable pFunctionPointerWithContext_t currentCalled; - - /* Disallow copy constructor and assignment operators. */ + /* disallow copy constructor and assignment operators */ private: CallChainOfFunctionPointersWithContext(const CallChainOfFunctionPointersWithContext &); CallChainOfFunctionPointersWithContext & operator = (const CallChainOfFunctionPointersWithContext &);