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Mikubot-2/otouto/plugins/patterns.lua
2016-08-13 22:46:18 -04:00

42 lines
1.1 KiB
Lua

local utilities = require('otouto.utilities')
local patterns = {}
patterns.command = 's/<pattern>/<substitution>'
patterns.help_word = 'sed'
patterns.doc = [[
s/<pattern>/<substitution>
Replace all matches for the given pattern.
Uses Lua patterns.
]]
function patterns:init(config)
patterns.triggers = { config.cmd_pat .. '?s/.-/.-$' }
end
function patterns:action(msg)
if not msg.reply_to_message then return true end
local output = msg.reply_to_message.text
if msg.reply_to_message.from.id == self.info.id then
output = output:gsub('Did you mean:\n"', '')
output = output:gsub('"$', '')
end
local m1, m2 = msg.text:match('^/?s/(.-)/(.-)/?$')
if not m2 then return true end
local res
res, output = pcall(
function()
return output:gsub(m1, m2)
end
)
if res == false then
utilities.send_reply(self, msg, 'Malformed pattern!')
else
output = utilities.trim(output:sub(1, 4000))
output = utilities.style.enquote('Did you mean', output)
utilities.send_reply(self, msg.reply_to_message, output, true)
end
end
return patterns