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Mikubot-2/utilities.lua

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2015-07-03 00:15:52 +02:00
-- utilities.lua
-- Functions shared among plugins.
function first_word(str, idx) -- get the indexed word in a string
str = string.gsub(str, '\n', ' ')
if not string.find(str, ' ') then return str end
str = str .. ' '
if not idx then idx = 1 end
if idx ~= 1 then
for i = 2, idx do
str = string.sub(str, string.find(str, ' ') + 1)
end
end
str = string.sub(str, 1, string.find(str, ' '))
return string.sub(str, 1, -2)
end
function get_input(text) -- returns string or false
if not string.find(text, ' ') then
return false
end
return string.sub(text, string.find(text, ' ')+1)
end
function trim_string(text) -- another alias
return string.gsub(text, "^%s*(.-)%s*$", "%1")
end
local lc_list = {
-- Latin = 'Cyrillic'
['A'] = 'А',
['B'] = 'В',
['C'] = 'С',
['E'] = 'Е',
['I'] = 'І',
['J'] = 'Ј',
['K'] = 'К',
['M'] = 'М',
['H'] = 'Н',
['O'] = 'О',
['P'] = 'Р',
['S'] = 'Ѕ',
['T'] = 'Т',
['X'] = 'Х',
['Y'] = 'Ү',
['a'] = 'а',
['c'] = 'с',
['e'] = 'е',
['i'] = 'і',
['j'] = 'ј',
['o'] = 'о',
['s'] = 'ѕ',
['x'] = 'х',
['y'] = 'у',
['!'] = 'ǃ'
}
function latcyr(str)
for k,v in pairs(lc_list) do
str = string.gsub(str, k, v)
end
return str
end
function send_msg(msg, message)
send_message(msg.chat.id, message, true, msg.message_id)
end
function get_coords(input)
local url = 'http://maps.googleapis.com/maps/api/geocode/json?address=' .. URL.escape(input)
local jstr, res = HTTP.request(url)
if res ~= 200 then
return false
end
local jdat = JSON.decode(jstr)
if jdat.status == 'ZERO_RESULTS' then
return false
end
return { lat = jdat.results[1].geometry.location.lat, lon = jdat.results[1].geometry.location.lng }
end