48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#pragma once
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#include <fc/vector.hpp>
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#include <functional>
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namespace fc {
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template<typename Signature>
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class signal {
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public:
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typedef int64_t connection_id_type;
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template<typename Functor>
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connection_id_type connect( Functor&& f ) {
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auto c = new std::function<Signature>( fc::forward<Functor>(f) );
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_handlers.push_back( c );
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return reinterpret_cast<connection_id_type>(c);
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}
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template<typename... Args>
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void emit( Args&&... args ) {
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for( size_t i = 0; i < _handlers.size(); ++i ) {
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(*_handlers[i])( args... );
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}
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}
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template<typename... Args>
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void operator()( Args&&... args ) {
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for( size_t i = 0; i < _handlers.size(); ++i ) {
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(*_handlers[i])( args... );
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}
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}
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void disconnect( connection_id_type cid ) {
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auto itr = _handlers.begin();
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while( itr != _handlers.end() ) {
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if( reinterpret_cast<connection_id_type>(*itr) == cid ) {
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delete *itr;
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_handlers.erase(itr);
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}
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++itr;
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}
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}
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private:
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fc::vector< std::function<Signature>* > _handlers;
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};
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}
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