From f9b7b0718c1a4035f0e88b4b364107f9d8fc7df5 Mon Sep 17 00:00:00 2001 From: atomaka Date: Sun, 18 Sep 2011 15:56:20 -0400 Subject: [PATCH] Hard embed LibDataBroker. --- Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua | 90 ++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua diff --git a/Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua b/Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua new file mode 100644 index 0000000..4182f2e --- /dev/null +++ b/Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua @@ -0,0 +1,90 @@ + +assert(LibStub, "LibDataBroker-1.1 requires LibStub") +assert(LibStub:GetLibrary("CallbackHandler-1.0", true), "LibDataBroker-1.1 requires CallbackHandler-1.0") + +local lib, oldminor = LibStub:NewLibrary("LibDataBroker-1.1", 4) +if not lib then return end +oldminor = oldminor or 0 + + +lib.callbacks = lib.callbacks or LibStub:GetLibrary("CallbackHandler-1.0"):New(lib) +lib.attributestorage, lib.namestorage, lib.proxystorage = lib.attributestorage or {}, lib.namestorage or {}, lib.proxystorage or {} +local attributestorage, namestorage, callbacks = lib.attributestorage, lib.namestorage, lib.callbacks + +if oldminor < 2 then + lib.domt = { + __metatable = "access denied", + __index = function(self, key) return attributestorage[self] and attributestorage[self][key] end, + } +end + +if oldminor < 3 then + lib.domt.__newindex = function(self, key, value) + if not attributestorage[self] then attributestorage[self] = {} end + if attributestorage[self][key] == value then return end + attributestorage[self][key] = value + local name = namestorage[self] + if not name then return end + callbacks:Fire("LibDataBroker_AttributeChanged", name, key, value, self) + callbacks:Fire("LibDataBroker_AttributeChanged_"..name, name, key, value, self) + callbacks:Fire("LibDataBroker_AttributeChanged_"..name.."_"..key, name, key, value, self) + callbacks:Fire("LibDataBroker_AttributeChanged__"..key, name, key, value, self) + end +end + +if oldminor < 2 then + function lib:NewDataObject(name, dataobj) + if self.proxystorage[name] then return end + + if dataobj then + assert(type(dataobj) == "table", "Invalid dataobj, must be nil or a table") + self.attributestorage[dataobj] = {} + for i,v in pairs(dataobj) do + self.attributestorage[dataobj][i] = v + dataobj[i] = nil + end + end + dataobj = setmetatable(dataobj or {}, self.domt) + self.proxystorage[name], self.namestorage[dataobj] = dataobj, name + self.callbacks:Fire("LibDataBroker_DataObjectCreated", name, dataobj) + return dataobj + end +end + +if oldminor < 1 then + function lib:DataObjectIterator() + return pairs(self.proxystorage) + end + + function lib:GetDataObjectByName(dataobjectname) + return self.proxystorage[dataobjectname] + end + + function lib:GetNameByDataObject(dataobject) + return self.namestorage[dataobject] + end +end + +if oldminor < 4 then + local next = pairs(attributestorage) + function lib:pairs(dataobject_or_name) + local t = type(dataobject_or_name) + assert(t == "string" or t == "table", "Usage: ldb:pairs('dataobjectname') or ldb:pairs(dataobject)") + + local dataobj = self.proxystorage[dataobject_or_name] or dataobject_or_name + assert(attributestorage[dataobj], "Data object not found") + + return next, attributestorage[dataobj], nil + end + + local ipairs_iter = ipairs(attributestorage) + function lib:ipairs(dataobject_or_name) + local t = type(dataobject_or_name) + assert(t == "string" or t == "table", "Usage: ldb:ipairs('dataobjectname') or ldb:ipairs(dataobject)") + + local dataobj = self.proxystorage[dataobject_or_name] or dataobject_or_name + assert(attributestorage[dataobj], "Data object not found") + + return ipairs_iter, attributestorage[dataobj], 0 + end +end