Hard embed LibDataBroker.

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