--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/AceTab-2.0/AceTab-2.0.lua	Tue Mar 20 21:03:57 2007 +0000
@@ -0,0 +1,327 @@
+--[[
+Name: AceTab-2.0
+Revision: $Rev: 18708 $
+Developed by: The Ace Development Team (http://www.wowace.com/index.php/The_Ace_Development_Team)
+Website: http://www.wowace.com/
+Documentation: http://www..wowace.com/index.php/AceTab-2.0
+SVN: http://svn.wowace.com/root/trunk/Ace2/AceTab-2.0
+Description: A tab-completion library
+Dependencies: AceLibrary, AceEvent-2.0
+]]
+
+local MAJOR_VERSION = "AceTab-2.0"
+local MINOR_VERSION = "$Revision: 18708 $"
+
+if not AceLibrary then error(MAJOR_VERSION .. " requires AceLibrary.") end
+if not AceLibrary:IsNewVersion(MAJOR_VERSION, MINOR_VERSION) then return end
+
+local AceEvent
+local AceTab = {}
+local _G = getfenv()
+
+local hookedFrames = {}
+local framesHooked = {}
+
+function AceTab:RegisterTabCompletion(descriptor, regex, wlfunc, usage, editframes)
+	self:argCheck(descriptor, 2, "string")
+	self:argCheck(regex, 3, "string", "table")
+	self:argCheck(wlfunc, 4, "string", "function", "nil")
+	self:argCheck(usage, 5, "string", "function", "boolean", "nil")
+	self:argCheck(editframe, 6, "string", "table", "nil")
+
+	if type(regex) == "string" then regex = {regex} end
+
+	if type(wlfunc) == "string" and type(self[wlfunc]) ~= "function" then
+		self:error("Cannot register function %q; it does not exist", wlfunc)
+	end
+
+	if type(usage) == "string" and type(self[usage]) ~= "function" then
+		self:error("Cannot register usage function %q; it does not exist", usage)
+	end
+
+	if not editframes then editframes = {"ChatFrameEditBox"} end
+
+	if type(editframes) == "table" and editframes.Show then editframes = {editframes:GetName()} end
+	
+	for _, frame in pairs(editframes) do
+		local Gframe
+		if type(frame) == "table" then
+			Gframe = frame
+			frame  = frame:GetName()
+		else
+			Gframe = _G[frame]
+		end
+
+		if type(Gframe) ~= "table" or not Gframe.Show then
+			self:error("Cannot register frame %q; it does not exist", frame)
+			frame = nil
+		end
+		
+		if frame then
+			if Gframe:GetFrameType() ~= "EditBox" then
+				self:error("Cannot register frame %q; it is not an EditBox", frame)
+				frame = nil
+			else
+				if AceEvent and AceEvent:IsFullyInitialized() then
+					if not framesHooked[Gframe] then
+						framesHooked[Gframe] = true
+						local orig = Gframe:GetScript("OnTabPressed")
+						if type(orig) ~= "function" then
+							orig = function() end
+						end
+						Gframe:SetScript("OnTabPressed", function()
+							if self:OnTabPressed(Gframe) then
+								return orig()
+							end
+						end)
+						Gframe.curMatch = 0
+						Gframe.matches = {}
+						Gframe.pMatchLen = 0
+					end
+				else
+					hookedFrames[frame] = true
+				end
+			end
+		end
+	end
+	
+	if not self.registry[descriptor] then
+		self.registry[descriptor] = {}
+	end
+	
+	if not self.registry[descriptor][self] then
+		self.registry[descriptor][self] = {}
+	end
+	self.registry[descriptor][self] = {patterns = regex, wlfunc = wlfunc,  usage = usage, frames = editframes}
+	
+	
+	if not AceEvent and AceLibrary:HasInstance("AceEvent-2.0") then
+		external(AceTab, "AceEvent-2.0", AceLibrary("AceEvent-2.0"))
+	end
+	if AceEvent then
+		if not self:IsEventRegistered("AceEvent_FullyInitialized") then
+			self:RegisterEvent("AceEvent_FullyInitialized", "AceEvent_FullyInitialized", true)
+		end
+	end
+end
+
+function AceTab:IsTabCompletionRegistered(descriptor)
+	self:argCheck(descriptor, 2, "string")
+	return self.registry[descriptor] and self.registry[descriptor][self]
+end
+
+function AceTab:UnregisterTabCompletion(descriptor)
+	self:argCheck(descriptor, 2, "string")
+	if self.registry[descriptor] and self.registry[descriptor][self] then
+		self.registry[descriptor][self] = nil
+	else
+		self:error("Cannot unregister a tab completion (%s) that you have not registered.", descriptor)
+	end
+end
+
+local GCS
+GCS = function(s1, s2)
+	if not s1 and not s2 then return end
+	if not s1 then s1 = s2 end
+	if not s2 then s2 = s1 end
+	local s1len, s2len = string.len(s1), string.len(s2)
+	if s2len < s1len then
+		s1, s2 = s2, s1
+	end
+	if string.find(string.lower(s2), string.lower(s1)) then
+		return s1
+	else
+		return GCS(string.sub(s1, 1, -2), s2)
+	end
+end
+local pos
+local function CycleTab()
+	this.pMatchLen = string.len(this.lMatch)
+	local cMatch = 0
+	local matched = false
+	for desc, mList in pairs(this.matches) do
+		if not matched then
+			for _, m in ipairs(mList) do
+				cMatch = cMatch + 1
+				if cMatch == this.curMatch then
+					this.lMatch = m
+					this.curMatch = this.curMatch + 1
+					matched = true
+					break
+				end
+			end
+		end
+	end
+	if not matched then
+		this.curMatch = 1
+		this.lMatch = this.origWord
+	end
+	this:HighlightText(pos - this.pMatchLen, pos)
+	this:Insert(this.lMatch)
+end
+
+function AceTab:OnTabPressed()
+	local ost = this:GetScript("OnTextSet")
+	if type(ost) ~= "function" then
+		ost = nil
+	end
+	if ost then this:SetScript("OnTextSet", nil) end
+	if this:GetText() == "" then return true end
+	this:Insert("\255")
+	pos = string.find(this:GetText(), "\255", 1) - 1
+	this:HighlightText(pos, pos+1)
+	this:Insert("\0")
+	if ost then this:SetScript("OnTextSet", ost) end
+	local fulltext = this:GetText()
+	local text = string.sub(fulltext, 0, pos) or ""
+
+	local left = string.find(string.sub(text, 1, pos), "%w+$")
+	left = left and left-1 or pos
+	if not left or left == 1 and string.sub(text, 1, 1) == "/" then return true end
+
+	local _, _, word = string.find(string.sub(text, left, pos), "(%w+)")
+	word = word or ""
+	this.lMatch = this.curMatch > 0 and (this.lMatch or this.origWord)
+
+	if this.lMatch and this.lMatch ~= "" and string.find(string.sub(text, 1, pos), this.lMatch.."$") then
+		return CycleTab()
+	else
+		this.matches = {}
+		this.curMatch = 0
+		this.lMatch = nil
+	end
+
+	local completions = {}
+	local numMatches = 0
+	local firstMatch, hasNonFallback
+	
+	for desc, entry in pairs(AceTab.registry) do
+		for _, s in pairs(entry) do
+			for _, f in pairs(s.frames) do
+				if _G[f] == this then
+					for _, regex in ipairs(s.patterns) do
+						local cands = {}
+						if string.find(string.sub(text, 1, left), regex.."$") then
+							local c = s.wlfunc(cands, fulltext, left)
+							if c ~= false then
+								local mtemp = {}
+								this.matches[desc] = this.matches[desc] or {}
+								for _, cand in ipairs(cands) do
+									if string.find(string.lower(cand), string.lower(word), 1, 1) == 1 then
+										mtemp[cand] = true
+										numMatches = numMatches + 1
+										if numMatches == 1 then firstMatch = cand end
+									end
+								end
+								for i in pairs(mtemp) do
+									table.insert(this.matches[desc], i)
+								end
+								this.matches[desc].usage = s.usage
+								if regex ~= "" and this.matches[desc][1] then
+									hasNonFallback = true
+									this.matches[desc].notFallback = true
+								end
+							end
+						end
+					end
+				end
+			end
+		end
+	end
+
+	local _, set = next(this.matches)
+	if not set or numMatches == 0 and not hasNonFallback then return true end
+	
+	this:HighlightText(left, left + string.len(word))
+	if numMatches == 1 then
+		this:Insert(firstMatch)
+		this:Insert(" ")
+	else
+		if this.curMatch == 0 then
+			this.curMatch = 1
+			this.origWord = word
+			this.lMatch = word
+			CycleTab()
+		end
+		local gcs
+		for h, c in pairs(this.matches) do
+			if hasNonFallback and not c.notFallback then break end
+			local u = c.usage
+			c.usage = nil
+			local candUsage = u and {}
+			local gcs2
+			if next(c) then
+				if not u then DEFAULT_CHAT_FRAME:AddMessage(h..":") end
+				for _, m in ipairs(c) do
+					if not u then DEFAULT_CHAT_FRAME:AddMessage(m) end
+					gcs2 = GCS(gcs2, m)
+				end
+			end
+			gcs = GCS(gcs, gcs2)
+			if u then
+				if type(u) == "function" then
+					local us = u(candUsage, c, gcs2, string.sub(text, 1, left))
+					if candUsage and next(candUsage) then us = candUsage end
+					if type(us) == "string" then
+						DEFAULT_CHAT_FRAME:AddMessage(us)
+					elseif type(us) == "table" and numMatches > 0 then
+						for _, v in ipairs(c) do
+							if us[v] then DEFAULT_CHAT_FRAME:AddMessage(string.format("%s - %s", v, us[v])) end
+						end
+					end
+				end
+			end
+		end
+		if curMatch == 0 then
+			this:Insert(gcs or word)
+		end
+	end
+end
+
+function AceTab:AceEvent_FullyInitialized()
+	for frame in pairs(hookedFrames) do
+		local Gframe = _G[frame]
+		if not framesHooked[Gframe] then
+			framesHooked[Gframe] = true
+			local orig = Gframe:GetScript("OnTabPressed")
+			if type(orig) ~= "function" then
+				orig = function() end
+			end
+			Gframe:SetScript("OnTabPressed", function()
+				if self:OnTabPressed(Gframe) then
+					return orig()
+				end
+			end)
+			Gframe.curMatch = 0
+			Gframe.matches = {}
+			Gframe.pMatchLen = 0
+		end
+	end
+end
+
+local function external(self, major, instance)
+	if major == "AceEvent-2.0" then
+		if not AceEvent then
+			AceEvent = instance
+			
+			AceEvent:embed(self)
+		end
+	end
+end
+
+local function activate(self, oldLib, oldDeactivate)
+	if oldLib then
+		self.registry = oldLib.registry
+	end
+
+	if not self.registry then
+		self.registry = {}
+	end
+
+	if oldDeactivate then
+		oldDeactivate(oldLib)
+	end
+end
+
+AceLibrary:Register(AceTab, MAJOR_VERSION, MINOR_VERSION, activate, nil, external)
+AceTab = AceLibrary(MAJOR_VERSION)