215 lines
8.5 KiB
C++
215 lines
8.5 KiB
C++
#ifndef __signal14_h__
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#define __signal14_h__
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#include "horrible_cast.h"
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#include "slot_base.h"
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#include "signal_base.h"
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//
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// classes slot14, slot14_function, and slot14_method
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//
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//
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// Abstract base class for slots with 14 parameter(s).
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//
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template<typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8, typename T_arg9, typename T_arg10, typename T_arg11, typename T_arg12, typename T_arg13>
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class slot14 : public slot_base
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{
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public:
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/**
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* Method which performs the actual callback. Must be overridden.
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*
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* @return Returns an object of type T_return; the result of the user callback.
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*/
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virtual T_return operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8, T_arg9 a9, T_arg10 a10, T_arg11 a11, T_arg12 a12, T_arg13 a13) const = 0;
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};
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//
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// A concrete slot class for a normal function.
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//
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template <typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8, typename T_arg9, typename T_arg10, typename T_arg11, typename T_arg12, typename T_arg13>
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class slot14_function: public slot14<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>
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{
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public:
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typedef T_return (*FUNCTION_POINTER)(T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8, T_arg9 a9, T_arg10 a10, T_arg11 a11, T_arg12 a12, T_arg13 a13); // convenience typedef
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/**
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* Constructor.
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*
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* Converts a function pointer into raw data.
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*/
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slot14_function( const FUNCTION_POINTER func )
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{
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// convert and store function pointer in slot_base
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this->data[0] = safe_horrible_cast<slot_base::data_container>(func);
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}
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/**
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* Perform callback.
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*
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* Converts raw data back into a function pointer, and calls it.
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*
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* @return Returns an object of type T_return; the result of the user callback.
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*/
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T_return operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8, T_arg9 a9, T_arg10 a10, T_arg11 a11, T_arg12 a12, T_arg13 a13) const
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{
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// retrieve data from slot_base and convert back to a function pointer
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FUNCTION_POINTER func = dangerous_horrible_cast<FUNCTION_POINTER>(this->data[0]);
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// call function
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return func(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13);
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}
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};
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//
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// A concrete slot class for an object pointer and method (usually 'this' and 'Class::Method').
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//
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template <class T_object, typename T_member, typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8, typename T_arg9, typename T_arg10, typename T_arg11, typename T_arg12, typename T_arg13>
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class slot14_method: public slot14<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>
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{
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public:
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/**
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* Constructor.
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*
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* Converts an object and method pointer into raw data.
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*/
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slot14_method(const T_object* p_object, const T_member p_member)
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{
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// convert and store object pointer and member function pointer in slot_base
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this->data[0] = safe_horrible_cast<slot_base::data_container>(p_object);
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this->data[1] = safe_horrible_cast<slot_base::data_container>(p_member);
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}
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/**
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* Perform callback.
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*
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* Converts raw data back into a method pointer, and calls it.
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*
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* @return Returns an object of type T_return; the result of the user callback.
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*/
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T_return operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8, T_arg9 a9, T_arg10 a10, T_arg11 a11, T_arg12 a12, T_arg13 a13) const
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{
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// retrieve data from slot_base and convert back to an object pointer and member function pointer
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T_object* p_object = dangerous_horrible_cast<T_object*>(this->data[0]);
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T_member p_member = dangerous_horrible_cast<T_member> (this->data[1]);
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// call member function
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return (p_object->*p_member)(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13);
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}
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};
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//
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// class signal14
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//
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template< typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8, typename T_arg9, typename T_arg10, typename T_arg11, typename T_arg12, typename T_arg13 >
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class signal14: public signal_base
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{
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public:
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/**
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* Emit the signal.
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*
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* Iterate through the list of slots, and call each one.
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*/
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void operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8, T_arg9 a9, T_arg10 a10, T_arg11 a11, T_arg12 a12, T_arg13 a13)
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{
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// if we're already emitting, return (i.e. no re-entrancy allowed)
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if( signal_base::emitting )
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{
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#if defined( _DEBUG )
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printf("WARNING: signal14<...> @ 0x%p recursive emit attempt\n", this);
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#endif
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return;
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}
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// set emitting flag
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signal_base::emitting = true;
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// iterate through the list
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signal_base::list_node* cur = signal_base::head;
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while( cur )
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{
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// cast the slot_base pointer to a slot14 pointer (converts from raw memory to pointer again)
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slot14<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>* s = static_cast<slot14<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>*>(cur->slot);
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// call the signal as long as it's still valid
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if ( !cur->deleted )
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{
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(*s)(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13);
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}
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// move to next slot in the list.
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cur = cur->next;
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}
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// delete any pending slot deletions
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signal_base::remove_pending_nodes( );
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// clear emitting flag
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signal_base::emitting = false;
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}
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//
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// signal connections to slots
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//
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// convenience typedef
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typedef T_return (*FUNCTION_POINTER)(T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8, T_arg9 a9, T_arg10 a10, T_arg11 a11, T_arg12 a12, T_arg13 a13);
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// connect to normal functions
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bool Connect( FUNCTION_POINTER func )
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{
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// make a copy of the slot to store in our list
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slot14<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>* sNewFunc = new slot14_function<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>( func );
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// add it to the end of our linked list
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return signal_base::bind(sNewFunc);
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}
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// connect to an object's method
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template <class T_object, typename T_member>
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bool Connect(T_object* p_object, T_member p_member)
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{
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// make a copy of the slot to store in our list
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slot14<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>* sNewMethod = new slot14_method<T_object,T_member,T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13>( p_object, p_member );
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// add it to the end of our linked list
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return signal_base::bind(sNewMethod);
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}
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//
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// signal disconnections from slots
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//
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// disconnect from a normal function
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bool Disconnect( FUNCTION_POINTER func )
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{
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// make a temporary slot we can use to find a match in the list
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slot14_function<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13> sTest( func );
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// search and remove it
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return signal_base::unbind(&sTest);
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}
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// disconnect from an object's method
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template <class T_object, typename T_member>
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bool Disconnect(T_object* p_object, T_member p_member)
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{
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// make a temporary slot we can use to find a match in the list
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slot14_method<T_object,T_member,T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8, T_arg9, T_arg10, T_arg11, T_arg12, T_arg13> sTemp(p_object,p_member);
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// search and remove it
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return signal_base::unbind(&sTemp);
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}
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};
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#endif // __signal14_h__
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