diff Libs/AceConfig-3.0/AceConfigCmd-3.0/AceConfigCmd-3.0.lua @ 0:169f5211fc7f

First public revision. At this point ItemAuditor watches mail for auctions sold or purchased, watches for buy/sell (money and 1 item type change) and conversions/tradeskills. Milling isn't working yet because there is too much time between the first event and the last event.
author Asa Ayers <Asa.Ayers@Gmail.com>
date Thu, 20 May 2010 19:22:19 -0700
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Libs/AceConfig-3.0/AceConfigCmd-3.0/AceConfigCmd-3.0.lua	Thu May 20 19:22:19 2010 -0700
@@ -0,0 +1,787 @@
+--- AceConfigCmd-3.0 handles access to an options table through the "command line" interface via the ChatFrames.
+-- @class file
+-- @name AceConfigCmd-3.0
+-- @release $Id: AceConfigCmd-3.0.lua 904 2009-12-13 11:56:37Z nevcairiel $
+
+--[[
+AceConfigCmd-3.0
+
+Handles commandline optionstable access
+
+REQUIRES: AceConsole-3.0 for command registration (loaded on demand)
+
+]]
+
+-- TODO: plugin args
+
+
+local MAJOR, MINOR = "AceConfigCmd-3.0", 12
+local AceConfigCmd = LibStub:NewLibrary(MAJOR, MINOR)
+
+if not AceConfigCmd then return end
+
+AceConfigCmd.commands = AceConfigCmd.commands or {}
+local commands = AceConfigCmd.commands
+
+local cfgreg = LibStub("AceConfigRegistry-3.0")
+local AceConsole -- LoD
+local AceConsoleName = "AceConsole-3.0"
+
+-- Lua APIs
+local strsub, strsplit, strlower, strmatch, strtrim = string.sub, string.split, string.lower, string.match, string.trim
+local format, tonumber, tostring = string.format, tonumber, tostring
+local tsort, tinsert = table.sort, table.insert
+local select, pairs, next, type = select, pairs, next, type
+local error, assert = error, assert
+
+-- WoW APIs
+local _G = _G
+
+-- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
+-- List them here for Mikk's FindGlobals script
+-- GLOBALS: LibStub, SELECTED_CHAT_FRAME, DEFAULT_CHAT_FRAME
+
+
+local L = setmetatable({}, {	-- TODO: replace with proper locale
+	__index = function(self,k) return k end
+})
+
+
+
+local function print(msg)
+	(SELECTED_CHAT_FRAME or DEFAULT_CHAT_FRAME):AddMessage(msg)
+end
+
+-- constants used by getparam() calls below
+
+local handlertypes = {["table"]=true}
+local handlermsg = "expected a table"
+
+local functypes = {["function"]=true, ["string"]=true}
+local funcmsg = "expected function or member name"
+
+
+-- pickfirstset() - picks the first non-nil value and returns it
+
+local function pickfirstset(...)	
+	for i=1,select("#",...) do
+		if select(i,...)~=nil then
+			return select(i,...)
+		end
+	end
+end
+
+
+-- err() - produce real error() regarding malformed options tables etc
+
+local function err(info,inputpos,msg )
+	local cmdstr=" "..strsub(info.input, 1, inputpos-1)
+	error(MAJOR..": /" ..info[0] ..cmdstr ..": "..(msg or "malformed options table"), 2)
+end
+
+
+-- usererr() - produce chatframe message regarding bad slash syntax etc
+
+local function usererr(info,inputpos,msg )
+	local cmdstr=strsub(info.input, 1, inputpos-1);
+	print("/" ..info[0] .. " "..cmdstr ..": "..(msg or "malformed options table"))
+end
+
+
+-- callmethod() - call a given named method (e.g. "get", "set") with given arguments
+
+local function callmethod(info, inputpos, tab, methodtype, ...)
+	local method = info[methodtype]
+	if not method then
+		err(info, inputpos, "'"..methodtype.."': not set")
+	end
+
+	info.arg = tab.arg
+	info.option = tab
+	info.type = tab.type
+
+	if type(method)=="function" then
+		return method(info, ...)
+	elseif type(method)=="string" then
+		if type(info.handler[method])~="function" then
+			err(info, inputpos, "'"..methodtype.."': '"..method.."' is not a member function of "..tostring(info.handler))
+		end
+		return info.handler[method](info.handler, info, ...)
+	else
+		assert(false)	-- type should have already been checked on read
+	end
+end
+
+-- callfunction() - call a given named function (e.g. "name", "desc") with given arguments
+
+local function callfunction(info, tab, methodtype, ...)
+	local method = tab[methodtype]
+
+	info.arg = tab.arg
+	info.option = tab
+	info.type = tab.type
+	
+	if type(method)=="function" then
+		return method(info, ...)
+	else
+		assert(false) -- type should have already been checked on read
+	end
+end
+
+-- do_final() - do the final step (set/execute) along with validation and confirmation
+
+local function do_final(info, inputpos, tab, methodtype, ...)
+	if info.validate then 
+		local res = callmethod(info,inputpos,tab,"validate",...)
+		if type(res)=="string" then
+			usererr(info, inputpos, "'"..strsub(info.input, inputpos).."' - "..res)
+			return
+		end
+	end
+	-- console ignores .confirm
+	
+	callmethod(info,inputpos,tab,methodtype, ...)
+end
+
+
+-- getparam() - used by handle() to retreive and store "handler", "get", "set", etc
+
+local function getparam(info, inputpos, tab, depth, paramname, types, errormsg)
+	local old,oldat = info[paramname], info[paramname.."_at"]
+	local val=tab[paramname]
+	if val~=nil then
+		if val==false then
+			val=nil
+		elseif not types[type(val)] then 
+			err(info, inputpos, "'" .. paramname.. "' - "..errormsg) 
+		end
+		info[paramname] = val
+		info[paramname.."_at"] = depth
+	end
+	return old,oldat
+end
+
+
+-- iterateargs(tab) - custom iterator that iterates both t.args and t.plugins.*
+local dummytable={}
+
+local function iterateargs(tab)
+	if not tab.plugins then 
+		return pairs(tab.args) 
+	end
+	
+	local argtabkey,argtab=next(tab.plugins)
+	local v
+	
+	return function(_, k)
+		while argtab do
+			k,v = next(argtab, k)
+			if k then return k,v end
+			if argtab==tab.args then
+				argtab=nil
+			else
+				argtabkey,argtab = next(tab.plugins, argtabkey)
+				if not argtabkey then
+					argtab=tab.args
+				end
+			end
+		end
+	end
+end
+
+local function checkhidden(info, inputpos, tab)
+	if tab.cmdHidden~=nil then
+		return tab.cmdHidden
+	end
+	local hidden = tab.hidden
+	if type(hidden) == "function" or type(hidden) == "string" then
+		info.hidden = hidden
+		hidden = callmethod(info, inputpos, tab, 'hidden')
+		info.hidden = nil
+	end
+	return hidden
+end
+
+local function showhelp(info, inputpos, tab, depth, noHead)
+	if not noHead then
+		print("|cff33ff99"..info.appName.."|r: Arguments to |cffffff78/"..info[0].."|r "..strsub(info.input,1,inputpos-1)..":")
+	end
+	
+	local sortTbl = {}	-- [1..n]=name
+	local refTbl = {}   -- [name]=tableref
+	
+	for k,v in iterateargs(tab) do
+		if not refTbl[k] then	-- a plugin overriding something in .args
+			tinsert(sortTbl, k)
+			refTbl[k] = v
+		end
+	end
+	
+	tsort(sortTbl, function(one, two) 
+		local o1 = refTbl[one].order or 100
+		local o2 = refTbl[two].order or 100
+		if type(o1) == "function" or type(o1) == "string" then
+			info.order = o1
+			info[#info+1] = one
+			o1 = callmethod(info, inputpos, refTbl[one], "order")
+			info[#info] = nil
+			info.order = nil
+		end
+		if type(o2) == "function" or type(o1) == "string" then
+			info.order = o2
+			info[#info+1] = two
+			o2 = callmethod(info, inputpos, refTbl[two], "order")
+			info[#info] = nil
+			info.order = nil
+		end
+		if o1<0 and o2<0 then return o1<o2 end
+		if o2<0 then return true end
+		if o1<0 then return false end
+		if o1==o2 then return tostring(one)<tostring(two) end   -- compare names
+		return o1<o2
+	end)
+	
+	for i = 1, #sortTbl do
+		local k = sortTbl[i]
+		local v = refTbl[k]
+		if not checkhidden(info, inputpos, v) then
+			if v.type ~= "description" and v.type ~= "header" then
+				-- recursively show all inline groups
+				local name, desc = v.name, v.desc
+				if type(name) == "function" then
+					name = callfunction(info, v, 'name')
+				end
+				if type(desc) == "function" then
+					desc = callfunction(info, v, 'desc')
+				end
+				if v.type == "group" and pickfirstset(v.cmdInline, v.inline, false) then
+					print("  "..(desc or name)..":")
+					local oldhandler,oldhandler_at = getparam(info, inputpos, v, depth, "handler", handlertypes, handlermsg)
+					showhelp(info, inputpos, v, depth, true)
+					info.handler,info.handler_at = oldhandler,oldhandler_at
+				else
+					local key = k:gsub(" ", "_")
+					print("  |cffffff78"..key.."|r - "..(desc or name or ""))
+				end
+			end
+		end
+	end
+end
+
+
+local function keybindingValidateFunc(text)
+	if text == nil or text == "NONE" then
+		return nil
+	end
+	text = text:upper()
+	local shift, ctrl, alt
+	local modifier
+	while true do
+		if text == "-" then
+			break
+		end
+		modifier, text = strsplit('-', text, 2)
+		if text then
+			if modifier ~= "SHIFT" and modifier ~= "CTRL" and modifier ~= "ALT" then
+				return false
+			end
+			if modifier == "SHIFT" then
+				if shift then
+					return false
+				end
+				shift = true
+			end
+			if modifier == "CTRL" then
+				if ctrl then
+					return false
+				end
+				ctrl = true
+			end
+			if modifier == "ALT" then
+				if alt then
+					return false
+				end
+				alt = true
+			end
+		else
+			text = modifier
+			break
+		end
+	end
+	if text == "" then
+		return false
+	end
+	if not text:find("^F%d+$") and text ~= "CAPSLOCK" and text:len() ~= 1 and (text:byte() < 128 or text:len() > 4) and not _G["KEY_" .. text] then
+		return false
+	end
+	local s = text
+	if shift then
+		s = "SHIFT-" .. s
+	end
+	if ctrl then
+		s = "CTRL-" .. s
+	end
+	if alt then
+		s = "ALT-" .. s
+	end
+	return s
+end
+
+-- handle() - selfrecursing function that processes input->optiontable 
+-- - depth - starts at 0
+-- - retfalse - return false rather than produce error if a match is not found (used by inlined groups)
+
+local function handle(info, inputpos, tab, depth, retfalse)
+
+	if not(type(tab)=="table" and type(tab.type)=="string") then err(info,inputpos) end
+
+	-------------------------------------------------------------------
+	-- Grab hold of handler,set,get,func,etc if set (and remember old ones)
+	-- Note that we do NOT validate if method names are correct at this stage,
+	-- the handler may change before they're actually used!
+
+	local oldhandler,oldhandler_at = getparam(info,inputpos,tab,depth,"handler",handlertypes,handlermsg)
+	local oldset,oldset_at = getparam(info,inputpos,tab,depth,"set",functypes,funcmsg)
+	local oldget,oldget_at = getparam(info,inputpos,tab,depth,"get",functypes,funcmsg)
+	local oldfunc,oldfunc_at = getparam(info,inputpos,tab,depth,"func",functypes,funcmsg)
+	local oldvalidate,oldvalidate_at = getparam(info,inputpos,tab,depth,"validate",functypes,funcmsg)
+	--local oldconfirm,oldconfirm_at = getparam(info,inputpos,tab,depth,"confirm",functypes,funcmsg)
+	
+	-------------------------------------------------------------------
+	-- Act according to .type of this table
+		
+	if tab.type=="group" then
+		------------ group --------------------------------------------
+		
+		if type(tab.args)~="table" then err(info, inputpos) end
+		if tab.plugins and type(tab.plugins)~="table" then err(info,inputpos) end
+		
+		-- grab next arg from input
+		local _,nextpos,arg = (info.input):find(" *([^ ]+) *", inputpos)
+		if not arg then
+			showhelp(info, inputpos, tab, depth)
+			return
+		end
+		nextpos=nextpos+1
+		
+		-- loop .args and try to find a key with a matching name
+		for k,v in iterateargs(tab) do
+			if not(type(k)=="string" and type(v)=="table" and type(v.type)=="string") then err(info,inputpos, "options table child '"..tostring(k).."' is malformed") end
+			
+			-- is this child an inline group? if so, traverse into it
+			if v.type=="group" and pickfirstset(v.cmdInline, v.inline, false) then
+				info[depth+1] = k
+				if handle(info, inputpos, v, depth+1, true)==false then
+					info[depth+1] = nil
+					-- wasn't found in there, but that's ok, we just keep looking down here
+				else
+					return	-- done, name was found in inline group
+				end
+			-- matching name and not a inline group
+			elseif strlower(arg)==strlower(k:gsub(" ", "_")) then
+				info[depth+1] = k
+				return handle(info,nextpos,v,depth+1)
+			end
+		end
+			
+		-- no match 
+		if retfalse then
+			-- restore old infotable members and return false to indicate failure
+			info.handler,info.handler_at = oldhandler,oldhandler_at
+			info.set,info.set_at = oldset,oldset_at
+			info.get,info.get_at = oldget,oldget_at
+			info.func,info.func_at = oldfunc,oldfunc_at
+			info.validate,info.validate_at = oldvalidate,oldvalidate_at
+			--info.confirm,info.confirm_at = oldconfirm,oldconfirm_at
+			return false
+		end
+		
+		-- couldn't find the command, display error
+		usererr(info, inputpos, "'"..arg.."' - " .. L["unknown argument"])
+		return
+	end
+	
+	local str = strsub(info.input,inputpos);
+	
+	if tab.type=="execute" then
+		------------ execute --------------------------------------------
+		do_final(info, inputpos, tab, "func")
+		
+
+	
+	elseif tab.type=="input" then
+		------------ input --------------------------------------------
+		
+		local res = true
+		if tab.pattern then
+			if not(type(tab.pattern)=="string") then err(info, inputpos, "'pattern' - expected a string") end
+			if not strmatch(str, tab.pattern) then
+				usererr(info, inputpos, "'"..str.."' - " .. L["invalid input"])
+				return
+			end
+		end
+		
+		do_final(info, inputpos, tab, "set", str)
+		
+
+	
+	elseif tab.type=="toggle" then
+		------------ toggle --------------------------------------------
+		local b
+		local str = strtrim(strlower(str))
+		if str=="" then
+			b = callmethod(info, inputpos, tab, "get")
+
+			if tab.tristate then
+				--cycle in true, nil, false order
+				if b then
+					b = nil
+				elseif b == nil then
+					b = false
+				else
+					b = true
+				end
+			else
+				b = not b
+			end
+			
+		elseif str==L["on"] then
+			b = true
+		elseif str==L["off"] then
+			b = false
+		elseif tab.tristate and str==L["default"] then
+			b = nil
+		else
+			if tab.tristate then
+				usererr(info, inputpos, format(L["'%s' - expected 'on', 'off' or 'default', or no argument to toggle."], str))
+			else
+				usererr(info, inputpos, format(L["'%s' - expected 'on' or 'off', or no argument to toggle."], str))
+			end
+			return
+		end
+		
+		do_final(info, inputpos, tab, "set", b)
+		
+
+	elseif tab.type=="range" then
+		------------ range --------------------------------------------
+		local val = tonumber(str)
+		if not val then
+			usererr(info, inputpos, "'"..str.."' - "..L["expected number"])
+			return
+		end
+		if type(info.step)=="number" then
+			val = val- (val % info.step)
+		end
+		if type(info.min)=="number" and val<info.min then
+			usererr(info, inputpos, val.." - "..format(L["must be equal to or higher than %s"], tostring(info.min)) )
+			return
+		end
+		if type(info.max)=="number" and val>info.max then
+			usererr(info, inputpos, val.." - "..format(L["must be equal to or lower than %s"], tostring(info.max)) )
+			return
+		end
+		
+		do_final(info, inputpos, tab, "set", val)
+
+	
+	elseif tab.type=="select" then
+		------------ select ------------------------------------
+		local str = strtrim(strlower(str))
+		
+		local values = tab.values
+		if type(values) == "function" or type(values) == "string" then
+			info.values = values
+			values = callmethod(info, inputpos, tab, "values")
+			info.values = nil
+		end
+		
+		if str == "" then
+			local b = callmethod(info, inputpos, tab, "get")
+			local fmt = "|cffffff78- [%s]|r %s"
+			local fmt_sel = "|cffffff78- [%s]|r %s |cffff0000*|r"
+			print(L["Options for |cffffff78"..info[#info].."|r:"])
+			for k, v in pairs(values) do
+				if b == k then
+					print(fmt_sel:format(k, v))
+				else
+					print(fmt:format(k, v))
+				end
+			end
+			return
+		end
+
+		local ok
+		for k,v in pairs(values) do 
+			if strlower(k)==str then
+				str = k	-- overwrite with key (in case of case mismatches)
+				ok = true
+				break
+			end
+		end
+		if not ok then
+			usererr(info, inputpos, "'"..str.."' - "..L["unknown selection"])
+			return
+		end
+		
+		do_final(info, inputpos, tab, "set", str)
+		
+	elseif tab.type=="multiselect" then
+		------------ multiselect -------------------------------------------
+		local str = strtrim(strlower(str))
+		
+		local values = tab.values
+		if type(values) == "function" or type(values) == "string" then
+			info.values = values
+			values = callmethod(info, inputpos, tab, "values")
+			info.values = nil
+		end
+		
+		if str == "" then
+			local fmt = "|cffffff78- [%s]|r %s"
+			local fmt_sel = "|cffffff78- [%s]|r %s |cffff0000*|r"
+			print(L["Options for |cffffff78"..info[#info].."|r (multiple possible):"])
+			for k, v in pairs(values) do
+				if callmethod(info, inputpos, tab, "get", k) then
+					print(fmt_sel:format(k, v))
+				else
+					print(fmt:format(k, v))
+				end
+			end
+			return
+		end
+		
+		--build a table of the selections, checking that they exist
+		--parse for =on =off =default in the process
+		--table will be key = true for options that should toggle, key = [on|off|default] for options to be set
+		local sels = {}
+		for v in str:gmatch("[^ ]+") do
+			--parse option=on etc
+			local opt, val = v:match('(.+)=(.+)')
+			--get option if toggling
+			if not opt then 
+				opt = v 
+			end
+			
+			--check that the opt is valid
+			local ok
+			for k,v in pairs(values) do 
+				if strlower(k)==opt then
+					opt = k	-- overwrite with key (in case of case mismatches)
+					ok = true
+					break
+				end
+			end
+			
+			if not ok then
+				usererr(info, inputpos, "'"..opt.."' - "..L["unknown selection"])
+				return
+			end
+			
+			--check that if val was supplied it is valid
+			if val then
+				if val == L["on"] or val == L["off"] or (tab.tristate and val == L["default"]) then
+					--val is valid insert it
+					sels[opt] = val
+				else
+					if tab.tristate then
+						usererr(info, inputpos, format(L["'%s' '%s' - expected 'on', 'off' or 'default', or no argument to toggle."], v, val))
+					else
+						usererr(info, inputpos, format(L["'%s' '%s' - expected 'on' or 'off', or no argument to toggle."], v, val))
+					end
+					return
+				end
+			else
+				-- no val supplied, toggle
+				sels[opt] = true
+			end
+		end
+		
+		for opt, val in pairs(sels) do
+			local newval
+			
+			if (val == true) then
+				--toggle the option
+				local b = callmethod(info, inputpos, tab, "get", opt)
+				
+				if tab.tristate then
+					--cycle in true, nil, false order
+					if b then
+						b = nil
+					elseif b == nil then
+						b = false
+					else
+						b = true
+					end
+				else
+					b = not b
+				end
+				newval = b
+			else
+				--set the option as specified
+				if val==L["on"] then
+					newval = true
+				elseif val==L["off"] then
+					newval = false
+				elseif val==L["default"] then
+					newval = nil
+				end
+			end
+			
+			do_final(info, inputpos, tab, "set", opt, newval)
+		end
+					
+		
+	elseif tab.type=="color" then
+		------------ color --------------------------------------------
+		local str = strtrim(strlower(str))
+		if str == "" then
+			--TODO: Show current value
+			return
+		end
+		
+		local r, g, b, a
+		
+		if tab.hasAlpha then
+			if str:len() == 8 and str:find("^%x*$")  then
+				--parse a hex string
+				r,g,b,a = tonumber(str:sub(1, 2), 16) / 255, tonumber(str:sub(3, 4), 16) / 255, tonumber(str:sub(5, 6), 16) / 255, tonumber(str:sub(7, 8), 16) / 255
+			else
+				--parse seperate values
+				r,g,b,a = str:match("^([%d%.]+) ([%d%.]+) ([%d%.]+) ([%d%.]+)$")
+				r,g,b,a = tonumber(r), tonumber(g), tonumber(b), tonumber(a)
+			end
+			if not (r and g and b and a) then
+				usererr(info, inputpos, format(L["'%s' - expected 'RRGGBBAA' or 'r g b a'."], str))
+				return
+			end
+			
+			if r >= 0.0 and r <= 1.0 and g >= 0.0 and g <= 1.0 and b >= 0.0 and b <= 1.0 and a >= 0.0 and a <= 1.0 then
+				--values are valid
+			elseif r >= 0 and r <= 255 and g >= 0 and g <= 255 and b >= 0 and b <= 255 and a >= 0 and a <= 255 then
+				--values are valid 0..255, convert to 0..1
+				r = r / 255
+				g = g / 255
+				b = b / 255
+				a = a / 255
+			else
+				--values are invalid
+				usererr(info, inputpos, format(L["'%s' - values must all be either in the range 0..1 or 0..255."], str))
+			end
+		else
+			a = 1.0
+			if str:len() == 6 and str:find("^%x*$") then
+				--parse a hex string
+				r,g,b = tonumber(str:sub(1, 2), 16) / 255, tonumber(str:sub(3, 4), 16) / 255, tonumber(str:sub(5, 6), 16) / 255
+			else
+				--parse seperate values
+				r,g,b = str:match("^([%d%.]+) ([%d%.]+) ([%d%.]+)$")
+				r,g,b = tonumber(r), tonumber(g), tonumber(b)
+			end
+			if not (r and g and b) then
+				usererr(info, inputpos, format(L["'%s' - expected 'RRGGBB' or 'r g b'."], str))
+				return
+			end
+			if r >= 0.0 and r <= 1.0 and g >= 0.0 and g <= 1.0 and b >= 0.0 and b <= 1.0 then
+				--values are valid
+			elseif r >= 0 and r <= 255 and g >= 0 and g <= 255 and b >= 0 and b <= 255 then
+				--values are valid 0..255, convert to 0..1
+				r = r / 255
+				g = g / 255
+				b = b / 255
+			else
+				--values are invalid
+				usererr(info, inputpos, format(L["'%s' - values must all be either in the range 0-1 or 0-255."], str))
+			end
+		end
+		
+		do_final(info, inputpos, tab, "set", r,g,b,a)
+
+	elseif tab.type=="keybinding" then
+		------------ keybinding --------------------------------------------
+		local str = strtrim(strlower(str))
+		if str == "" then
+			--TODO: Show current value
+			return
+		end
+		local value = keybindingValidateFunc(str:upper())
+		if value == false then
+			usererr(info, inputpos, format(L["'%s' - Invalid Keybinding."], str))
+			return
+		end
+
+		do_final(info, inputpos, tab, "set", value)
+
+	elseif tab.type=="description" then
+		------------ description --------------------
+		-- ignore description, GUI config only
+	else
+		err(info, inputpos, "unknown options table item type '"..tostring(tab.type).."'")
+	end
+end
+
+--- Handle the chat command.
+-- This is usually called from a chat command handler to parse the command input as operations on an aceoptions table.\\
+-- AceConfigCmd uses this function internally when a slash command is registered with `:CreateChatCommand`
+-- @param slashcmd The slash command WITHOUT leading slash (only used for error output)
+-- @param appName The application name as given to `:RegisterOptionsTable()`
+-- @param input The commandline input (as given by the WoW handler, i.e. without the command itself)
+-- @usage
+-- MyAddon = LibStub("AceAddon-3.0"):NewAddon("MyAddon", "AceConsole-3.0")
+-- -- Use AceConsole-3.0 to register a Chat Command
+-- MyAddon:RegisterChatCommand("mychat", "ChatCommand")
+-- 
+-- -- Show the GUI if no input is supplied, otherwise handle the chat input.
+-- function MyAddon:ChatCommand(input)
+--   -- Assuming "MyOptions" is the appName of a valid options table
+--   if not input or input:trim() == "" then
+--     LibStub("AceConfigDialog-3.0"):Open("MyOptions")
+--   else
+--     LibStub("AceConfigCmd-3.0").HandleCommand(MyAddon, "mychat", "MyOptions", input)
+--   end
+-- end
+function AceConfigCmd:HandleCommand(slashcmd, appName, input)
+
+	local optgetter = cfgreg:GetOptionsTable(appName)
+	if not optgetter then
+		error([[Usage: HandleCommand("slashcmd", "appName", "input"): 'appName' - no options table "]]..tostring(appName)..[[" has been registered]], 2)
+	end
+	local options = assert( optgetter("cmd", MAJOR) )
+	
+	local info = {   -- Don't try to recycle this, it gets handed off to callbacks and whatnot
+		[0] = slashcmd,
+		appName = appName,
+		options = options,
+		input = input,
+		self = self,
+		handler = self,
+		uiType = "cmd",
+		uiName = MAJOR,
+	}
+	
+	handle(info, 1, options, 0)  -- (info, inputpos, table, depth)
+end
+
+--- Utility function to create a slash command handler.
+-- Also registers tab completion with AceTab
+-- @param slashcmd The slash command WITHOUT leading slash (only used for error output)
+-- @param appName The application name as given to `:RegisterOptionsTable()`
+function AceConfigCmd:CreateChatCommand(slashcmd, appName)
+	if not AceConsole then
+		AceConsole = LibStub(AceConsoleName)
+	end
+	if AceConsole.RegisterChatCommand(self, slashcmd, function(input)
+				AceConfigCmd.HandleCommand(self, slashcmd, appName, input)	-- upgradable
+		end,
+	true) then -- succesfully registered so lets get the command -> app table in
+		commands[slashcmd] = appName
+	end
+end
+
+--- Utility function that returns the options table that belongs to a slashcommand.
+-- Designed to be used for the AceTab interface.
+-- @param slashcmd The slash command WITHOUT leading slash (only used for error output)
+-- @return The options table associated with the slash command (or nil if the slash command was not registered)
+function AceConfigCmd:GetChatCommandOptions(slashcmd)
+	return commands[slashcmd]
+end