vanilla-wow-addons – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | --------------------------------------------------------------------------- |
| 2 | -- Embedded Library Registration Stub |
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| 3 | -- |
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| 4 | -- Written by Iriel <iriel@vigilance-committee.org> |
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| 5 | -- |
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| 6 | -- Version 0.1 - 2006-03-05 |
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| 7 | --------------------------------------------------------------------------- |
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| 8 | -- To use this for your own AddOns, copy this file and then edit only the |
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| 9 | -- section at the bottom with the appropriate library name(s). |
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| 10 | --------------------------------------------------------------------------- |
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| 11 | local stub = {}; |
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| 12 | |||
| 13 | -- Instance replacement method, replace contents of old with that of new |
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| 14 | function stub:ReplaceInstance(old, new) |
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| 15 | for k,v in pairs(old) do old[k]=nil; end |
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| 16 | for k,v in pairs(new) do old[k]=v; end |
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| 17 | end |
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| 18 | |||
| 19 | -- Get a new copy of the stub |
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| 20 | function stub:NewStub() |
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| 21 | local newStub = {}; |
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| 22 | self:ReplaceInstance(newStub, self); |
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| 23 | newStub.lastVersion = ''; |
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| 24 | newStub.versions = {}; |
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| 25 | return newStub; |
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| 26 | end |
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| 27 | |||
| 28 | -- Get instance version |
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| 29 | function stub:GetInstance(version) |
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| 30 | if (not version) then version = self.lastVersion; end |
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| 31 | local versionData = self.versions[version]; |
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| 32 | if (not versionData) then |
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| 33 | message("Cannot find library instance with version '" |
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| 34 | .. version .. "'"); |
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| 35 | return; |
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| 36 | end |
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| 37 | return versionData.instance; |
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| 38 | end |
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| 39 | |||
| 40 | -- Register new instance |
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| 41 | function stub:Register(newInstance) |
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| 42 | local version,minor = newInstance:GetLibraryVersion(); |
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| 43 | self.lastVersion = version; |
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| 44 | local versionData = self.versions[version]; |
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| 45 | if (not versionData) then |
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| 46 | -- This one is new! |
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| 47 | versionData = { instance = newInstance, |
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| 48 | minor = minor, |
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| 49 | old = {} |
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| 50 | }; |
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| 51 | self.versions[version] = versionData; |
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| 52 | newInstance:LibActivate(self); |
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| 53 | return newInstance; |
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| 54 | end |
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| 55 | if (minor <= versionData.minor) then |
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| 56 | -- This one is already obsolete |
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| 57 | if (newInstance.LibDiscard) then |
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| 58 | newInstance:LibDiscard(); |
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| 59 | end |
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| 60 | return versionData.instance; |
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| 61 | end |
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| 62 | -- This is an update |
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| 63 | local oldInstance = versionData.instance; |
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| 64 | local oldList = versionData.old; |
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| 65 | versionData.instance = newInstance; |
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| 66 | versionData.minor = minor; |
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| 67 | local skipCopy = newInstance:LibActivate(self, oldInstance, oldList); |
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| 68 | table.insert(oldList, oldInstance); |
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| 69 | if (not skipCopy) then |
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| 70 | for i, old in ipairs(oldList) do |
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| 71 | self:ReplaceInstance(old, newInstance); |
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| 72 | end |
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| 73 | end |
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| 74 | return newInstance; |
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| 75 | end |
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| 76 | |||
| 77 | ---------------------------------------------------------------------------- |
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| 78 | -- PUT LIBRARY INSTANCES HERE |
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| 79 | -- |
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| 80 | -- if (not LibName) then LibName = stub:NewStub(); end |
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| 81 | -- Follow all with stub = nil |
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| 82 | |||
| 83 | -- Set up IrielVirtualFrames (IrielPrototype-2-dev/617) |
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| 84 | if (not IrielVirtualFrames) then IrielVirtualFrames = stub:NewStub(); end |
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| 85 | |||
| 86 | -- Release stub to gc |
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| 87 | stub = nil; |