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-- in Array | -- in Array | ||
function inArray(key, array) | function inArray(key, array) | ||
if array[key] ~= nil then | |||
return true | |||
end | |||
end | end | ||
function inArrayStarts(key, array) | function inArrayStarts(key, array) | ||
for k, v in pairs(array) do | |||
if string.starts(k, key) then | |||
return true | |||
end | |||
end | |||
end | |||
function inArrayHas(key, array) | |||
for k, v in pairs(array) do | |||
if string.find(k, key) then | |||
return true | |||
end | |||
end | |||
end | |||
function inArrayHasValue(value, array) | |||
for k, v in pairs(array) do | |||
if string.find(v, value) then | |||
return true | |||
end | |||
end | |||
end | |||
function indexOf(value, array) | |||
for i, v in ipairs(array) do | |||
if v == value then | |||
return i | |||
end | |||
end | |||
return nil | |||
end | end | ||
Line 15: | Line 42: | ||
function string.starts(String, Start) | function string.starts(String, Start) | ||
return string.sub(String, 1, string.len(Start)) == Start | return string.sub(String, 1, string.len(Start)) == Start | ||
end | |||
function string.ends(str, ending) | |||
return ending == "" or str:sub(-#ending) == ending | |||
end | end | ||
Line 20: | Line 51: | ||
function spairs(t) | function spairs(t) | ||
local keys = {} | local keys = {} | ||
for k in pairs(t) do keys[#keys+1] = k end | for k in pairs(t) do | ||
keys[#keys + 1] = k | |||
end | |||
table.sort(keys) | table.sort(keys) | ||
local i = 0 | local i = 0 | ||
Line 33: | Line 66: | ||
-- Implement merging tables | -- Implement merging tables | ||
function tableMerge(first_table, second_table) | function tableMerge(first_table, second_table) | ||
for k,v in spairs(second_table) do first_table[k] = v end | for k, v in spairs(second_table) do | ||
first_table[k] = v | |||
end | |||
end | |||
function indexTableMerge(first_table, second_table) | |||
for k, v in spairs(second_table) do | |||
table.insert(first_table, v) | |||
end | |||
end | end | ||
Line 41: | Line 82: | ||
numDecimalPlaces = 2 | numDecimalPlaces = 2 | ||
end | end | ||
local mult = 10^(numDecimalPlaces or 0) | local mult = 10 ^ (numDecimalPlaces or 0) | ||
return math.floor(num * mult + 0.5) / mult | return math.floor(num * mult + 0.5) / mult | ||
end | end | ||
Line 47: | Line 88: | ||
-- Implement string trim. | -- Implement string trim. | ||
function trim(s) | function trim(s) | ||
return (string.gsub(s, "^%s*(.-)%s*$", "%1")) | |||
end | end | ||
-- Implement splitting string to a table. | -- Implement splitting string to a table. | ||
function split(s, delimiter) | function split(s, delimiter, skip_empty) | ||
if delimiter == nil then delimiter = ',' end | if not s then | ||
return {} | |||
end | |||
local i = 1 | |||
if delimiter == nil then | |||
delimiter = ',' | |||
end | |||
result = {}; | result = {}; | ||
for match in (s..delimiter):gmatch("(.-)"..delimiter) do | for match in (s .. delimiter):gmatch("(.-)" .. delimiter) do | ||
table.insert(result, match); | if (skip_empty == true and trim(match) ~= '') or skip_empty == nil then | ||
table.insert(result, i, trim(match)); | |||
i = i + 1 | |||
end | |||
end | end | ||
return result; | return result; | ||
Line 61: | Line 111: | ||
-- Title case | -- Title case | ||
function titleCaseFunc( first, rest ) | function titleCaseFunc(first, rest) | ||
return first:upper() .. rest:lower() | |||
end | end | ||
function titleCase(str) | function titleCase(str) | ||
return string.gsub(str, "(%a)([%w_']*)", titleCaseFunc) | |||
end | |||
function table.containsKey(tbl, key) | |||
return tbl[key] ~= nil | |||
end | |||
function table.containsValue(tbl, val) | |||
local contains = false | |||
for k, v in pairs(tbl) do | |||
if (v == val) then | |||
contains = true | |||
break | |||
end | |||
end | |||
return contains | |||
end | |||
function table.matches(tbl, val) | |||
local matches = 0 | |||
for k, v in pairs(tbl) do | |||
if (type(v) == 'table') then | |||
matches = matches + table.matches(v, val) | |||
else | |||
if (v == val) then | |||
matches = matches + 1 | |||
end | |||
end | |||
end | |||
return matches | |||
end | |||
function dump(o) | |||
if type(o) == 'table' then | |||
local s = '{ <br>' | |||
for k, v in pairs(o) do | |||
if type(k) ~= 'number' then | |||
k = '"' .. k .. '"' | |||
end | |||
s = s .. '[' .. k .. '] = ' .. dump(v) .. ',<br>' | |||
end | |||
return s .. '}' | |||
else | |||
return tostring(o) | |||
end | |||
end | |||
function table.not_empty(tbl) | |||
return not next(tbl) | |||
end | |||
function math.round(num, decimals) | |||
decimals = math.pow(10, decimals or 0) | |||
num = num * decimals | |||
if num >= 0 then | |||
num = math.floor(num + 0.5) | |||
else | |||
num = math.ceil(num - 0.5) | |||
end | |||
return num / decimals | |||
end | |||
function formatnum(amount) | |||
local formatted = amount | |||
while true do | |||
formatted, k = string.gsub(formatted, "^(-?%d+)(%d%d%d)", '%1,%2') | |||
if (k == 0) then | |||
break | |||
end | |||
end | |||
return formatted | |||
end | end |