203 lines
8.0 KiB
C++
203 lines
8.0 KiB
C++
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#pragma once
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#include "generic/callback.h"
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#include "signal/signalfwd.h"
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class SignalHandlerResult
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{
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bool value;
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public:
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explicit SignalHandlerResult( bool value ) : value( value ){
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}
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bool operator==( SignalHandlerResult other ) const {
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return value == other.value;
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}
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bool operator!=( SignalHandlerResult other ) const {
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return !operator==( other );
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}
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};
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const SignalHandlerResult SIGNAL_CONTINUE_EMISSION = SignalHandlerResult( false );
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const SignalHandlerResult SIGNAL_STOP_EMISSION = SignalHandlerResult( true );
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template<typename Caller>
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class SignalHandlerCaller1
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{
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public:
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typedef typename Caller::first_argument_type first_argument_type;
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typedef SignalHandlerResult result_type;
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static result_type call( first_argument_type a1 ){
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Caller::call( a1 );
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return SIGNAL_CONTINUE_EMISSION;
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}
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};
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template<typename Caller>
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class SignalHandlerCaller2
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{
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public:
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typedef typename Caller::first_argument_type first_argument_type;
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typedef typename Caller::second_argument_type second_argument_type;
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typedef SignalHandlerResult result_type;
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static result_type call( first_argument_type a1, second_argument_type a2 ){
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Caller::call( a1, a2 );
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return SIGNAL_CONTINUE_EMISSION;
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}
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};
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template<typename Caller>
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class SignalHandlerCaller3
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{
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public:
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typedef typename Caller::first_argument_type first_argument_type;
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typedef typename Caller::second_argument_type second_argument_type;
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typedef typename Caller::third_argument_type third_argument_type;
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typedef SignalHandlerResult result_type;
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static result_type call( first_argument_type a1, second_argument_type a2, third_argument_type a3 ){
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Caller::call( a1, a2, a3 );
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return SIGNAL_CONTINUE_EMISSION;
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}
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};
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template<typename Caller>
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class SignalHandlerCaller4
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{
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public:
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typedef typename Caller::first_argument_type first_argument_type;
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typedef typename Caller::second_argument_type second_argument_type;
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typedef typename Caller::third_argument_type third_argument_type;
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typedef typename Caller::fourth_argument_type fourth_argument_type;
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typedef SignalHandlerResult result_type;
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static result_type call( first_argument_type a1, second_argument_type a2, third_argument_type a3, fourth_argument_type a4 ){
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Caller::call( a1, a2, a3, a4 );
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return SIGNAL_CONTINUE_EMISSION;
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}
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};
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class SignalHandler : public Callback0<SignalHandlerResult>
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{
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public:
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template<typename Caller>
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SignalHandler( const BindFirstOpaque<Caller>& caller )
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: Callback0<SignalHandlerResult>( BindFirstOpaque<typename TypeEqual<
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SignalHandlerResult,
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Caller,
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SignalHandlerCaller1<Caller>,
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typename Caller::result_type
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>::type>( caller.getBound() ) ){
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}
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};
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template<typename Caller>
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inline SignalHandler makeSignalHandler( const BindFirstOpaque<Caller>& caller ){
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return SignalHandler( caller );
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}
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template<typename Caller>
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inline SignalHandler makeSignalHandler( const Caller& caller, typename Caller::first_argument_type callee ){
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return SignalHandler( BindFirstOpaque<Caller>( callee ) );
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}
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template<typename FirstArgument>
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class SignalHandler1 : public Callback1<FirstArgument, SignalHandlerResult>
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{
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public:
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template<typename Caller>
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SignalHandler1( const BindFirstOpaque1<Caller>& caller )
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: Callback1<FirstArgument, SignalHandlerResult>( BindFirstOpaque1<typename TypeEqual<
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SignalHandlerResult,
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Caller,
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SignalHandlerCaller2<Caller>,
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typename Caller::result_type
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>::type>( caller.getBound() ) ){
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}
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};
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template<typename Caller>
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inline SignalHandler1<typename Caller::second_argument_type> makeSignalHandler1( const BindFirstOpaque1<Caller>& caller ){
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return SignalHandler1<typename Caller::second_argument_type>( caller );
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}
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template<typename Caller>
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inline SignalHandler1<typename Caller::second_argument_type> makeSignalHandler1( const Caller& caller, typename Caller::first_argument_type callee ){
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return SignalHandler1<typename Caller::second_argument_type>( BindFirstOpaque1<Caller>( callee ) );
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}
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template<typename FirstArgument, typename SecondArgument>
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class SignalHandler2 : public Callback2<FirstArgument, SecondArgument, SignalHandlerResult>
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{
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public:
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template<typename Caller>
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SignalHandler2( const BindFirstOpaque2<Caller>& caller )
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: Callback2<FirstArgument, SecondArgument, SignalHandlerResult>( BindFirstOpaque2<typename TypeEqual<
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SignalHandlerResult,
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Caller,
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SignalHandlerCaller3<Caller>,
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typename Caller::result_type
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>::type>( caller.getBound() ) ){
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}
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};
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template<typename Caller>
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inline SignalHandler2<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type
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> makeSignalHandler2( const BindFirstOpaque2<Caller>& caller ){
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return SignalHandler2<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type
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>( caller );
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}
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template<typename Caller>
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inline SignalHandler2<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type
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> makeSignalHandler2( const Caller& caller, typename Caller::first_argument_type callee ){
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return SignalHandler2<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type
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>( BindFirstOpaque2<Caller>( callee ) );
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}
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template<typename FirstArgument, typename SecondArgument, typename ThirdArgument>
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class SignalHandler3 : public Callback3<FirstArgument, SecondArgument, ThirdArgument, SignalHandlerResult>
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{
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public:
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template<typename Caller>
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SignalHandler3( const BindFirstOpaque3<Caller>& caller )
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: Callback3<FirstArgument, SecondArgument, ThirdArgument, SignalHandlerResult>( BindFirstOpaque3<typename TypeEqual<
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SignalHandlerResult,
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Caller,
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SignalHandlerCaller4<Caller>,
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typename Caller::result_type
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>::type>( caller.getBound() ) ){
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}
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};
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template<typename Caller>
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inline SignalHandler3<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type,
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typename Caller::fourth_argument_type
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> makeSignalHandler3( const BindFirstOpaque3<Caller>& caller ){
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return SignalHandler3<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type,
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typename Caller::fourth_argument_type
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>( caller );
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}
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template<typename Caller>
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inline SignalHandler3<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type,
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typename Caller::fourth_argument_type
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> makeSignalHandler3( const Caller& caller, typename Caller::first_argument_type callee ){
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return SignalHandler3<
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typename Caller::second_argument_type,
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typename Caller::third_argument_type,
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typename Caller::fourth_argument_type
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>( BindFirstOpaque3<Caller>( callee ) );
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}
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