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server-nalc/other_things/irc-old-save/irc/util.lua
2015-05-26 23:37:16 +02:00

117 lines
2.7 KiB
Lua
Executable File

local irc = require("irc.main")
function irc.parseNick(conn, nick)
local access = {}
irc.updatePrefixModes(conn)
local namestart = 1
for i = 1, #nick - 1 do
local c = nick:sub(i, i)
if conn.prefixmode[c] then
access[conn.prefixmode[c]] = true
else
namestart = i
break
end
end
access.op = access.o
access.voice = access.v
local name = nick:sub(namestart)
return access, name
end
function irc.updatePrefixModes(conn)
if conn.prefixmode and conn.modeprefix then
return
end
conn.prefixmode = {}
conn.modeprefix = {}
if conn.supports.PREFIX then
local modes, prefixes = conn.supports.PREFIX:match("%(([^%)]*)%)(.*)")
for i = 1, #modes do
conn.prefixmode[prefixes:sub(i, i)] = modes:sub(i, i)
conn.modeprefix[ modes:sub(i, i)] = prefixes:sub(i, i)
end
else
conn.prefixmode['@'] = 'o'
conn.prefixmode['+'] = 'v'
conn.modeprefix['o'] = '@'
conn.modeprefix['v'] = '+'
end
end
-- mIRC markup scheme (de-facto standard)
irc.color = {
black = 1,
blue = 2,
green = 3,
red = 4,
lightred = 5,
purple = 6,
brown = 7,
yellow = 8,
lightgreen = 9,
navy = 10,
cyan = 11,
lightblue = 12,
violet = 13,
gray = 14,
lightgray = 15,
white = 16
}
local colByte = string.char(3)
setmetatable(irc.color, {__call = function(_, text, colornum)
colornum = (type(colornum) == "string" and
assert(irc.color[colornum], "Invalid color '"..colornum.."'") or
colornum)
return table.concat{colByte, tostring(colornum), text, colByte}
end})
local boldByte = string.char(2)
function irc.bold(text)
return boldByte..text..boldByte
end
local underlineByte = string.char(31)
function irc.underline(text)
return underlineByte..text..underlineByte
end
function irc.checkNick(nick)
return nick:find("^[a-zA-Z_%-%[|%]%^{|}`][a-zA-Z0-9_%-%[|%]%^{|}`]*$") ~= nil
end
function irc.defaultNickGenerator(nick)
-- LuaBot -> LuaCot -> LuaCou -> ...
-- We change a random character rather than appending to the
-- nickname as otherwise the new nick could exceed the ircd's
-- maximum nickname length.
local randindex = math.random(1, #nick)
local randchar = string.sub(nick, randindex, randindex)
local b = string.byte(randchar)
b = b + 1
if b < 65 or b > 125 then
b = 65
end
-- Get the halves before and after the changed character
local first = string.sub(nick, 1, randindex - 1)
local last = string.sub(nick, randindex + 1, #nick)
nick = first .. string.char(b) .. last -- Insert the new charachter
return nick
end
function irc.capitalize(text)
-- Converts first character to upercase and the rest to lowercase.
-- "PING" -> "Ping" | "hello" -> "Hello" | "123" -> "123"
return text:sub(1, 1):upper()..text:sub(2):lower()
end
function irc.split(str, sep)
local t = {}
for s in str:gmatch("%S+") do
table.insert(t, s)
end
return t
end