Mercurial > wow > skeletonkey
diff LibKraken/LibStub/LibStub.lua @ 5:9ac29fe77455
- dynamic profession spell mapping
- dynamic talent spell mapping
- protection of dynamic slots that aren't in use
- plugin abstractors for accessing state data
- a lot of fixes related to the 7.0.3 API
| author | Nenue |
|---|---|
| date | Tue, 26 Jul 2016 19:29:44 -0400 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LibKraken/LibStub/LibStub.lua Tue Jul 26 19:29:44 2016 -0400 @@ -0,0 +1,30 @@ +-- LibStub is a simple versioning stub meant for use in Libraries. http://www.wowace.com/wiki/LibStub for more info +-- LibStub is hereby placed in the Public Domain Credits: Kaelten, Cladhaire, ckknight, Mikk, Ammo, Nevcairiel, joshborke +local LIBSTUB_MAJOR, LIBSTUB_MINOR = "LibStub", 2 -- NEVER MAKE THIS AN SVN REVISION! IT NEEDS TO BE USABLE IN ALL REPOS! +local LibStub = _G[LIBSTUB_MAJOR] + +if not LibStub or LibStub.minor < LIBSTUB_MINOR then + LibStub = LibStub or {libs = {}, minors = {} } + _G[LIBSTUB_MAJOR] = LibStub + LibStub.minor = LIBSTUB_MINOR + + function LibStub:NewLibrary(major, minor) + assert(type(major) == "string", "Bad argument #2 to `NewLibrary' (string expected)") + minor = assert(tonumber(strmatch(minor, "%d+")), "Minor version must either be a number or contain a number.") + + local oldminor = self.minors[major] + if oldminor and oldminor >= minor then return nil end + self.minors[major], self.libs[major] = minor, self.libs[major] or {} + return self.libs[major], oldminor + end + + function LibStub:GetLibrary(major, silent) + if not self.libs[major] and not silent then + error(("Cannot find a library instance of %q."):format(tostring(major)), 2) + end + return self.libs[major], self.minors[major] + end + + function LibStub:IterateLibraries() return pairs(self.libs) end + setmetatable(LibStub, { __call = LibStub.GetLibrary }) +end