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LibStubie

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1 parent 43835da commit f5d3a3e1c2329b9c37664193fe3e3a7d79f47c28 @Zariel committed Jan 7, 2011
Showing with 32 additions and 0 deletions.
  1. +2 −0 Fiend.toc
  2. +30 −0 LibStub.lua
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@@ -8,6 +8,8 @@
## Version: 3.3.5-6
## OptionalDeps: LibDataBroker-1.1, LibStub, ZeeRoster-1.0
+LibStub.lua
+
Locale-koKR.lua
locale-ruRU.lua
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@@ -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

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