mirror of
https://github.com/sys4-fr/server-nalc.git
synced 2024-12-27 03:00:38 +01:00
117 lines
2.7 KiB
Lua
Executable File
117 lines
2.7 KiB
Lua
Executable File
local irc = require("irc.main")
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function irc.parseNick(conn, nick)
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local access = {}
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irc.updatePrefixModes(conn)
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local namestart = 1
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for i = 1, #nick - 1 do
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local c = nick:sub(i, i)
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if conn.prefixmode[c] then
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access[conn.prefixmode[c]] = true
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else
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namestart = i
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break
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end
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end
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access.op = access.o
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access.voice = access.v
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local name = nick:sub(namestart)
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return access, name
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end
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function irc.updatePrefixModes(conn)
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if conn.prefixmode and conn.modeprefix then
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return
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end
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conn.prefixmode = {}
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conn.modeprefix = {}
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if conn.supports.PREFIX then
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local modes, prefixes = conn.supports.PREFIX:match("%(([^%)]*)%)(.*)")
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for i = 1, #modes do
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conn.prefixmode[prefixes:sub(i, i)] = modes:sub(i, i)
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conn.modeprefix[ modes:sub(i, i)] = prefixes:sub(i, i)
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end
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else
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conn.prefixmode['@'] = 'o'
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conn.prefixmode['+'] = 'v'
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conn.modeprefix['o'] = '@'
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conn.modeprefix['v'] = '+'
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end
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end
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-- mIRC markup scheme (de-facto standard)
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irc.color = {
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black = 1,
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blue = 2,
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green = 3,
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red = 4,
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lightred = 5,
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purple = 6,
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brown = 7,
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yellow = 8,
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lightgreen = 9,
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navy = 10,
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cyan = 11,
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lightblue = 12,
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violet = 13,
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gray = 14,
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lightgray = 15,
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white = 16
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}
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local colByte = string.char(3)
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setmetatable(irc.color, {__call = function(_, text, colornum)
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colornum = (type(colornum) == "string" and
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assert(irc.color[colornum], "Invalid color '"..colornum.."'") or
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colornum)
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return table.concat{colByte, tostring(colornum), text, colByte}
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end})
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local boldByte = string.char(2)
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function irc.bold(text)
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return boldByte..text..boldByte
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end
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local underlineByte = string.char(31)
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function irc.underline(text)
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return underlineByte..text..underlineByte
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end
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function irc.checkNick(nick)
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return nick:find("^[a-zA-Z_%-%[|%]%^{|}`][a-zA-Z0-9_%-%[|%]%^{|}`]*$") ~= nil
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end
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function irc.defaultNickGenerator(nick)
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-- LuaBot -> LuaCot -> LuaCou -> ...
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-- We change a random character rather than appending to the
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-- nickname as otherwise the new nick could exceed the ircd's
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-- maximum nickname length.
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local randindex = math.random(1, #nick)
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local randchar = string.sub(nick, randindex, randindex)
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local b = string.byte(randchar)
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b = b + 1
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if b < 65 or b > 125 then
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b = 65
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end
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-- Get the halves before and after the changed character
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local first = string.sub(nick, 1, randindex - 1)
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local last = string.sub(nick, randindex + 1, #nick)
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nick = first .. string.char(b) .. last -- Insert the new charachter
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return nick
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end
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function irc.capitalize(text)
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-- Converts first character to upercase and the rest to lowercase.
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-- "PING" -> "Ping" | "hello" -> "Hello" | "123" -> "123"
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return text:sub(1, 1):upper()..text:sub(2):lower()
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end
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function irc.split(str, sep)
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local t = {}
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for s in str:gmatch("%S+") do
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table.insert(t, s)
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end
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return t
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end
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