# HG changeset patch # User Adam tegen # Date 1400646625 18000 # Node ID 165752e9b22a64efa32d76f3313811e2000cd6dd # Parent ec3e67868c5c7f1b4b7374e3d5df632b2aa3b3ac trying to fix curse diff -r ec3e67868c5c -r 165752e9b22a libs/CallbackHandler-1.0/CallbackHandler-1.0.lua --- a/libs/CallbackHandler-1.0/CallbackHandler-1.0.lua Tue May 20 21:45:48 2014 -0500 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,240 +0,0 @@ ---[[ $Id: CallbackHandler-1.0.lua 14 2010-08-09 00:43:38Z mikk $ ]] -local MAJOR, MINOR = "CallbackHandler-1.0", 6 -local CallbackHandler = LibStub:NewLibrary(MAJOR, MINOR) - -if not CallbackHandler then return end -- No upgrade needed - -local meta = {__index = function(tbl, key) tbl[key] = {} return tbl[key] end} - --- Lua APIs -local tconcat = table.concat -local assert, error, loadstring = assert, error, loadstring -local setmetatable, rawset, rawget = setmetatable, rawset, rawget -local next, select, pairs, type, tostring = next, select, pairs, type, tostring - --- Global vars/functions that we don't upvalue since they might get hooked, or upgraded --- List them here for Mikk's FindGlobals script --- GLOBALS: geterrorhandler - -local xpcall = xpcall - -local function errorhandler(err) - return geterrorhandler()(err) -end - -local function CreateDispatcher(argCount) - local code = [[ - local next, xpcall, eh = ... - - local method, ARGS - local function call() method(ARGS) end - - local function dispatch(handlers, ...) - local index - index, method = next(handlers) - if not method then return end - local OLD_ARGS = ARGS - ARGS = ... - repeat - xpcall(call, eh) - index, method = next(handlers, index) - until not method - ARGS = OLD_ARGS - end - - return dispatch - ]] - - local ARGS, OLD_ARGS = {}, {} - for i = 1, argCount do ARGS[i], OLD_ARGS[i] = "arg"..i, "old_arg"..i end - code = code:gsub("OLD_ARGS", tconcat(OLD_ARGS, ", ")):gsub("ARGS", tconcat(ARGS, ", ")) - return assert(loadstring(code, "safecall Dispatcher["..argCount.."]"))(next, xpcall, errorhandler) -end - -local Dispatchers = setmetatable({}, {__index=function(self, argCount) - local dispatcher = CreateDispatcher(argCount) - rawset(self, argCount, dispatcher) - return dispatcher -end}) - --------------------------------------------------------------------------- --- CallbackHandler:New --- --- target - target object to embed public APIs in --- RegisterName - name of the callback registration API, default "RegisterCallback" --- UnregisterName - name of the callback unregistration API, default "UnregisterCallback" --- UnregisterAllName - name of the API to unregister all callbacks, default "UnregisterAllCallbacks". false == don't publish this API. - -function CallbackHandler:New(target, RegisterName, UnregisterName, UnregisterAllName, OnUsed, OnUnused) - -- TODO: Remove this after beta has gone out - assert(not OnUsed and not OnUnused, "ACE-80: OnUsed/OnUnused are deprecated. Callbacks are now done to registry.OnUsed and registry.OnUnused") - - RegisterName = RegisterName or "RegisterCallback" - UnregisterName = UnregisterName or "UnregisterCallback" - if UnregisterAllName==nil then -- false is used to indicate "don't want this method" - UnregisterAllName = "UnregisterAllCallbacks" - end - - -- we declare all objects and exported APIs inside this closure to quickly gain access - -- to e.g. function names, the "target" parameter, etc - - - -- Create the registry object - local events = setmetatable({}, meta) - local registry = { recurse=0, events=events } - - -- registry:Fire() - fires the given event/message into the registry - function registry:Fire(eventname, ...) - if not rawget(events, eventname) or not next(events[eventname]) then return end - local oldrecurse = registry.recurse - registry.recurse = oldrecurse + 1 - - Dispatchers[select('#', ...) + 1](events[eventname], eventname, ...) - - registry.recurse = oldrecurse - - if registry.insertQueue and oldrecurse==0 then - -- Something in one of our callbacks wanted to register more callbacks; they got queued - for eventname,callbacks in pairs(registry.insertQueue) do - local first = not rawget(events, eventname) or not next(events[eventname]) -- test for empty before. not test for one member after. that one member may have been overwritten. - for self,func in pairs(callbacks) do - events[eventname][self] = func - -- fire OnUsed callback? - if first and registry.OnUsed then - registry.OnUsed(registry, target, eventname) - first = nil - end - end - end - registry.insertQueue = nil - end - end - - -- Registration of a callback, handles: - -- self["method"], leads to self["method"](self, ...) - -- self with function ref, leads to functionref(...) - -- "addonId" (instead of self) with function ref, leads to functionref(...) - -- all with an optional arg, which, if present, gets passed as first argument (after self if present) - target[RegisterName] = function(self, eventname, method, ... --[[actually just a single arg]]) - if type(eventname) ~= "string" then - error("Usage: "..RegisterName.."(eventname, method[, arg]): 'eventname' - string expected.", 2) - end - - method = method or eventname - - local first = not rawget(events, eventname) or not next(events[eventname]) -- test for empty before. not test for one member after. that one member may have been overwritten. - - if type(method) ~= "string" and type(method) ~= "function" then - error("Usage: "..RegisterName.."(\"eventname\", \"methodname\"): 'methodname' - string or function expected.", 2) - end - - local regfunc - - if type(method) == "string" then - -- self["method"] calling style - if type(self) ~= "table" then - error("Usage: "..RegisterName.."(\"eventname\", \"methodname\"): self was not a table?", 2) - elseif self==target then - error("Usage: "..RegisterName.."(\"eventname\", \"methodname\"): do not use Library:"..RegisterName.."(), use your own 'self'", 2) - elseif type(self[method]) ~= "function" then - error("Usage: "..RegisterName.."(\"eventname\", \"methodname\"): 'methodname' - method '"..tostring(method).."' not found on self.", 2) - end - - if select("#",...)>=1 then -- this is not the same as testing for arg==nil! - local arg=select(1,...) - regfunc = function(...) self[method](self,arg,...) end - else - regfunc = function(...) self[method](self,...) end - end - else - -- function ref with self=object or self="addonId" or self=thread - if type(self)~="table" and type(self)~="string" and type(self)~="thread" then - error("Usage: "..RegisterName.."(self or \"addonId\", eventname, method): 'self or addonId': table or string or thread expected.", 2) - end - - if select("#",...)>=1 then -- this is not the same as testing for arg==nil! - local arg=select(1,...) - regfunc = function(...) method(arg,...) end - else - regfunc = method - end - end - - - if events[eventname][self] or registry.recurse<1 then - -- if registry.recurse<1 then - -- we're overwriting an existing entry, or not currently recursing. just set it. - events[eventname][self] = regfunc - -- fire OnUsed callback? - if registry.OnUsed and first then - registry.OnUsed(registry, target, eventname) - end - else - -- we're currently processing a callback in this registry, so delay the registration of this new entry! - -- yes, we're a bit wasteful on garbage, but this is a fringe case, so we're picking low implementation overhead over garbage efficiency - registry.insertQueue = registry.insertQueue or setmetatable({},meta) - registry.insertQueue[eventname][self] = regfunc - end - end - - -- Unregister a callback - target[UnregisterName] = function(self, eventname) - if not self or self==target then - error("Usage: "..UnregisterName.."(eventname): bad 'self'", 2) - end - if type(eventname) ~= "string" then - error("Usage: "..UnregisterName.."(eventname): 'eventname' - string expected.", 2) - end - if rawget(events, eventname) and events[eventname][self] then - events[eventname][self] = nil - -- Fire OnUnused callback? - if registry.OnUnused and not next(events[eventname]) then - registry.OnUnused(registry, target, eventname) - end - end - if registry.insertQueue and rawget(registry.insertQueue, eventname) and registry.insertQueue[eventname][self] then - registry.insertQueue[eventname][self] = nil - end - end - - -- OPTIONAL: Unregister all callbacks for given selfs/addonIds - if UnregisterAllName then - target[UnregisterAllName] = function(...) - if select("#",...)<1 then - error("Usage: "..UnregisterAllName.."([whatFor]): missing 'self' or \"addonId\" to unregister events for.", 2) - end - if select("#",...)==1 and ...==target then - error("Usage: "..UnregisterAllName.."([whatFor]): supply a meaningful 'self' or \"addonId\"", 2) - end - - - for i=1,select("#",...) do - local self = select(i,...) - if registry.insertQueue then - for eventname, callbacks in pairs(registry.insertQueue) do - if callbacks[self] then - callbacks[self] = nil - end - end - end - for eventname, callbacks in pairs(events) do - if callbacks[self] then - callbacks[self] = nil - -- Fire OnUnused callback? - if registry.OnUnused and not next(callbacks) then - registry.OnUnused(registry, target, eventname) - end - end - end - end - end - end - - return registry -end - - --- CallbackHandler purposefully does NOT do explicit embedding. Nor does it --- try to upgrade old implicit embeds since the system is selfcontained and --- relies on closures to work. - diff -r ec3e67868c5c -r 165752e9b22a libs/CallbackHandler-1.0/CallbackHandler-1.0.xml --- a/libs/CallbackHandler-1.0/CallbackHandler-1.0.xml Tue May 20 21:45:48 2014 -0500 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,4 +0,0 @@ - -