Gladdy-TBC/Libs/AceConfig-3.0/AceConfigCmd-3.0/AceConfigCmd-3.0.lua
2021-05-17 16:49:54 +02:00

795 lines
23 KiB
Lua

--- 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 1202 2019-05-15 23:11:22Z nevcairiel $
--[[
AceConfigCmd-3.0
Handles commandline optionstable access
REQUIRES: AceConsole-3.0 for command registration (loaded on demand)
]]
-- TODO: plugin args
local cfgreg = LibStub("AceConfigRegistry-3.0")
local MAJOR, MINOR = "AceConfigCmd-3.0", 14
local AceConfigCmd = LibStub:NewLibrary(MAJOR, MINOR)
if not AceConfigCmd then return end
AceConfigCmd.commands = AceConfigCmd.commands or {}
local commands = AceConfigCmd.commands
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
local hasAlpha = tab.hasAlpha
if type(hasAlpha) == "function" or type(hasAlpha) == "string" then
info.hasAlpha = hasAlpha
hasAlpha = callmethod(info, inputpos, tab, 'hasAlpha')
info.hasAlpha = nil
end
if 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