Sware: Created page with "--[=[ Module:utils v0.3.1 Date: 2015-08-14 This module contains some common useful functions. Fill free to add another universal functions here. ]=]-- local export =..."

2021-02-15T14:31:36Z

Created page with "--[=[ Module:utils v0.3.1 Date: 2015-08-14 This module contains some common useful functions. Fill free to add another universal functions here. ]=]-- local export =..."

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--[=[
Module:utils v0.3.1
Date: 2015-08-14

This module contains some common useful functions.
Fill free to add another universal functions here.
]=]--

local export = {}

-- Function to clone table (sometimes it works better then mw.clone)
function export.clone(original)
local copy = {}
for key, value in pairs(original) do
copy[key] = value
end
return copy
end

-- Function to get current PAGENAME and related
function export.get_base()
local PAGENAME = mw.title.getCurrentTitle().text
local SUBPAGENAME = mw.title.getCurrentTitle().subpageText
local NAMESPACE = mw.title.getCurrentTitle().nsText

if NAMESPACE == 'User' or NAMESPACE == 'Участник' then
return SUBPAGENAME
end
return PAGENAME
end

-- Function to iterate table with sorted keys (sorting function can be different)
function export.spairs(t, order)
-- collect the keys
local keys = {}
for k in pairs(t) do keys[#keys+1] = k end
-- sort
if order then
table.sort(keys, function(a,b) return order(t, a, b) end)
else
table.sort(keys)
end
-- return the iterator function
local i = 0
return function()
i = i + 1
if keys[i] then
return keys[i], t[keys[i]]
end
end
end

-- Functions to measure working time of scripts (start)
function export.start()
export.started = os.clock()
end

-- Functions to measure working time of scripts (stop)
function export.stop(desc)
export.stoped = os.clock()
export.delta = export.stoped - export.started
if desc == nil then
desc = 'time delta'
end
mw.log('™ ' .. desc .. ' = ' .. export.delta)
end

-- Function to find common part (length) of two strings
-- (common part from the beginning of strings)
function export.find_common(str_1, str_2)
if not str_1 or not str_2 then
return 1
end
for pos = 1, #str_1 do
local char_1 = str_1:sub(pos, pos)
local char_2 = str_2:sub(pos, pos)
if char_1 ~= char_2 then
return pos
end
end
return 1
end

-- Function that allows easily add values into dict of dicts of lists
-- Example of this structure:
-- dict = {
-- key1 = {
-- sub_key1 = {value1, value2, value3},
-- sub_key2 = {value4, value5},
-- },
-- key2 = {
-- sub_key3 = {value6},
-- sub_key4 = {value7, value8},
-- },
-- }
function export.put_value(dict, key, sub_key, value)
if not dict[key] then
dict[key] = {}
end
if not dict[key][sub_key] then
dict[key][sub_key] = {}
end
table.insert(dict[key][sub_key], value)
end

-- Compare two items, recursively comparing lists.
-- FIXME, doesn't work for tables that aren't lists.
function export.equals(x, y)
if type(x) == "table" and type(y) == "table" then
if #x ~= #y then
return false
end
for key, value in ipairs(x) do
if not export.equals(value, y[key]) then
return false
end
end
return true
end
return x == y
end

-- true if list contains item
function export.contains(tab, item)
for _, value in pairs(tab) do
if export.equals(value, item) then
return true
end
end
return false
end

-- append to list if element not already present
function export.insert_if_not(tab, item, pos)
if not export.contains(tab, item) then
if pos then
table.insert(tab, pos, item)
else
table.insert(tab, item)
end
end
end

-- convert list to set
function export.list_to_set(list)
local set = {}
for _, item in ipairs(list) do
set[item] = true
end
return set
end

-- Inhibit Regular Expression magic characters ^$()%.[]*+-?)
function export.escape(value)
-- Prefix every non-alphanumeric character (%W) with a % escape character,
-- where %% is the % escape, and %1 is original character
return mw.ustring.gsub(value, "(%W)","%%%1")
end

return export

Module:utils - Revision history

Sware: Created page with "--[=[ Module:utils v0.3.1 Date: 2015-08-14 This module contains some common useful functions. Fill free to add another universal functions here. ]=]-- local export =..."