jbe/bsw@0: --[[--
jbe/bsw@0: execute.multi_wrapped(
jbe/bsw@0:   wrapper_funcs,   -- multiple wrapper functions (i.e. filters)
jbe/bsw@0:   inner_func       -- inner function (i.e. an action or view)
jbe/bsw@0: )
jbe/bsw@0: 
jbe/bsw@0: This function does the same as execute.wrapped(...), but with multiple wrapper functions, instead of just one wrapper function. It is used by execute.filtered_view{...} and execute.filtered_action{...} to wrap multiple filters around the view or action.
jbe/bsw@0: 
jbe/bsw@0: --]]--
jbe/bsw@0: 
jbe/bsw@0: function execute.multi_wrapped(wrapper_funcs, inner_func)
jbe/bsw@0:   local function wrapped_execution(pos)
jbe/bsw@0:     local wrapper_func = wrapper_funcs[pos]
jbe/bsw@0:     if wrapper_func then
jbe/bsw@0:       return execute.wrapped(
jbe/bsw@0:         wrapper_func,
jbe/bsw@0:         function()
jbe/bsw@0:           wrapped_execution(pos+1)
jbe/bsw@0:         end
jbe/bsw@0:       )
jbe/bsw@0:     else
jbe/bsw@0:       return inner_func()
jbe/bsw@0:     end
jbe/bsw@0:   end
jbe/bsw@0:   return wrapped_execution(1)
jbe/bsw@0: end