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text_effects.lua

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-- Copyright 2010 Vaughan Newton <balkrah@gmail.com>

--

-- This program is free software: you can redistribute it and/or modify

-- it under the terms of the GNU General Public License as published by

-- the Free Software Foundation, either version 3 of the License, or

-- (at your option) any later version.

--

-- This program is distributed in the hope that it will be useful,

-- but WITHOUT ANY WARRANTY; without even the implied warranty of

-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

-- GNU General Public License for more details.

--

-- You should have received a copy of the GNU General Public License

-- along with this program. If not, see <http://www.gnu.org/licenses/>.

--

SCRIPT_NAME = "text_effects"

SCRIPT_AUTHOR = "Vaughan Newton <balkrah@gmail.com>"

SCRIPT_VERSION = "1.1"

SCRIPT_LICENSE = "GPL3"

SCRIPT_DESC = "Adds effects to words surrounded by certain characters"

local w = weechat

w.register(

SCRIPT_NAME,

SCRIPT_AUTHOR,

SCRIPT_VERSION,

SCRIPT_LICENSE,

SCRIPT_DESC,

"", ""

)

-- Effects

effects = {

["*"] = "bold",

["_"] = "underline",

}

-- printf function

function printf(buffer, fmt, ...)

w.print(buffer, string.format(fmt, unpack(arg)))

end

-- Easy callback handling

local nextCallbackID = 0

function callback(f)

local name = "__callback_" .. nextCallbackID

nextCallbackID = nextCallbackID + 1

_G[name] = f

return name

end

-- Config

config = { data = {} }

setmetatable(config, {

__index = function (tab, key)

return w.config_string(tab.data[key])

end,

})

-- Load config

do

config.file = w.config_new("text_effects", callback(function(data, file)

return w.config_reload(file)

end), "")

if not config.file then return end

config.look = w.config_new_section(

config.file, "look", 0, 0, "", "", "", "", "", "", "", "", "", "")

local c = config.data

c.show_chars = w.config_new_option(

config.file, config.look,

"show_chars", "boolean", "Whether to show surrounding characters or not",

"", 0, 0, "on", "on", 0, "", "", "", "", "", "")

w.config_read(config.file)

end

-- Register modifier

w.hook_modifier("weechat_print", callback(function(_, _, info, str)

-- Add spaces to help pattern matching

str = " " .. str .. " "

local pattern = "(%s)(["

for char, effect in pairs(effects) do

pattern = pattern .. "%"..char

end

pattern = pattern .. "])([%w_]+)%2(%s)"

str = str:gsub(pattern, function(sp1, char, word, sp2)

local effect = effects[char]

local c = (config.show_chars == "on") and char or ""

return sp1 .. w.color(effect) .. c .. word .. c ..

w.color("-"..effect) .. sp2

end)

-- Remove spaces

str = str:sub(2, -2)

return str

end), "")