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textmate/Shared/include/oak/callbacks.h
Allan Odgaard 9894969e67 Initial commit
2012-08-09 16:25:56 +02:00

41 lines
2.4 KiB
C++

#ifndef OAK_CALLBACKS_H_UQZK6SYT
#define OAK_CALLBACKS_H_UQZK6SYT
#include "oak.h"
#include "debug.h"
namespace oak
{
template <typename T, bool AllowNonEmpty = false>
struct callbacks_t
{
typedef typename std::vector<T*>::const_iterator iterator;
callbacks_t () { }
callbacks_t (callbacks_t const& rhs) { } // intentionally skip copy of rhs._callbacks
callbacks_t& operator= (callbacks_t const& rhs) { _callbacks.clear(); return *this; }
~callbacks_t () { ASSERT(_callbacks.empty() || AllowNonEmpty); }
void swap (callbacks_t& rhs) { _callbacks.swap(rhs._callbacks); }
void add (T* callback) { ASSERTF(std::find(_callbacks.begin(), _callbacks.end(), callback) == _callbacks.end(), "%p", callback); _callbacks.push_back(callback); }
void remove (T* callback) { ASSERTF(std::find(_callbacks.begin(), _callbacks.end(), callback) != _callbacks.end(), "%p", callback); _callbacks.erase(std::find(_callbacks.begin(), _callbacks.end(), callback)); }
template <typename M> void operator () (M fun) const { citerate(cb, dup()) (*cb->*fun)(); }
template <typename M, typename A> void operator () (M fun, A const& a) const { citerate(cb, dup()) (*cb->*fun)(a); }
template <typename M, typename A, typename B> void operator () (M fun, A const& a, B const& b) const { citerate(cb, dup()) (*cb->*fun)(a, b); }
template <typename M, typename A, typename B, typename C> void operator () (M fun, A const& a, B const& b, C const& c) const { citerate(cb, dup()) (*cb->*fun)(a, b, c); }
template <typename M, typename A, typename B, typename C, typename D> void operator () (M fun, A const& a, B const& b, C const& c, D const& d) const { citerate(cb, dup()) (*cb->*fun)(a, b, c, d); }
iterator begin () const { return _callbacks.begin(); }
iterator end () const { return _callbacks.end(); }
private:
std::vector<T*> dup () const { return _callbacks; }
std::vector<T*> _callbacks;
};
} /* oak */
#endif /* end of include guard: OAK_CALLBACKS_H_UQZK6SYT */