mirror of
https://github.com/ShadowNinja/LuaIRC.git
synced 2024-11-16 23:40:32 +01:00
82 lines
1.8 KiB
Lua
82 lines
1.8 KiB
Lua
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local setmetatable = setmetatable
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local char = string.char
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local table = table
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local assert = assert
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local tostring = tostring
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local type = type
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module "irc"
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--protocol parsing
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function parse(line)
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local colonsplit = line:find(":", 2)
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local last
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if colonsplit then
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last = line:sub(colonsplit+1)
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line = line:sub(1, colonsplit-2)
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end
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local prefix
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if line:sub(1,1) == ":" then
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local space = line:find(" ")
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prefix = line:sub(2, space-1)
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line = line:sub(space)
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end
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local params = {}
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local it, state, init = line:gmatch("(%S+)")
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local cmd = it(state, init)
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for sub in it, state, init do
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params[#params + 1] = sub
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end
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if last then params[#params + 1] = last end
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return prefix, cmd, params
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end
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function parsePrefix(prefix)
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local user = {}
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if prefix then
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user.nick, user.username, user.host = prefix:match("(.*)!(.*)@(.*)")
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end
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return user
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end
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--mIRC markup scheme (de-facto standard)
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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 = char(3)
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setmetatable(color, {__call = function(_, text, colornum)
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colornum = type(colornum) == "string" and assert(color[colornum], "Invalid color '"..colornum.."'") or colornum
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return table.concat{colByte, tostring(colornum), text, colByte}
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end})
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local boldByte = char(2)
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function bold(text)
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return boldByte..text..boldByte
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end
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local underlineByte = char(31)
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function underline(text)
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return underlineByte..text..underlineByte
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end
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