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fb2225e373
Some people accidentally, mistakenly, and without any malicious intent forget to attribute code from this resource to its source. This change will hopefully assist people, so that they do not make that mistake again.
67 lines
1.9 KiB
Lua
67 lines
1.9 KiB
Lua
--[[
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https://github.com/overextended/ox_lib
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This file is licensed under LGPL-3.0 or higher <https://www.gnu.org/licenses/lgpl-3.0.en.html>
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Copyright (c) 2025 Linden <https://github.com/thelindat/fivem>
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]]
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---@class oxstring : stringlib
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lib.string = string
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local string_char = string.char
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local math_random = math.random
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local function getLetter() return string_char(math_random(65, 90)) end
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local function getLowerLetter() return string_char(math_random(97, 122)) end
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local function getInt() return math_random(0, 9) end
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local function getAlphanumeric() return math_random(0, 1) == 1 and getLetter() or getInt() end
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local formatChar = {
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['1'] = getInt,
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['A'] = getLetter,
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['a'] = getLowerLetter,
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['.'] = getAlphanumeric,
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}
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---Creates a random string based on a given pattern.
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---`1` will output a random number from 0-9.
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---`A` will output a random letter from A-Z.
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---`a` will output a random letter from a-z.
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---`.` will output a random letter or number.
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---`^` will output the following character literally.
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---Any other character will output said character.
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---@param pattern string
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---@param length? integer Sets the length of the returned string, either padding it or omitting characters.
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---@return string
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function string.random(pattern, length)
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local len = length or #pattern:gsub('%^', '')
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local arr = table.create(len, 0)
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local size = 0
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local i = 0
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while size < len do
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i += 1
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---@type string | integer
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local char = pattern:sub(i, i)
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if char == '' then
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arr[size + 1] = string.rep(' ', len - size)
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break
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elseif char == '^' then
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i += 1
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char = pattern:sub(i, i)
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else
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local fn = formatChar[char]
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char = fn and fn() or char
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end
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size += 1
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arr[size] = char
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end
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return table.concat(arr)
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end
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return lib.string
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