877 lines
21 KiB
Lua
877 lines
21 KiB
Lua
local tableSort = table.sort
|
||
local stringRep = string.rep
|
||
local tableConcat = table.concat
|
||
local tostring = tostring
|
||
local type = type
|
||
local pairs = pairs
|
||
local ipairs = ipairs
|
||
local next = next
|
||
local rawset = rawset
|
||
local move = table.move
|
||
local tableRemove = table.remove
|
||
local setmetatable = debug.setmetatable
|
||
local mathType = math.type
|
||
local mathCeil = math.ceil
|
||
local getmetatable = getmetatable
|
||
local mathAbs = math.abs
|
||
local mathRandom = math.random
|
||
local ioOpen = io.open
|
||
local utf8Len = utf8.len
|
||
local getenv = os.getenv
|
||
local getupvalue = debug.getupvalue
|
||
local mathHuge = math.huge
|
||
local inf = 1 / 0
|
||
local nan = 0 / 0
|
||
local error = error
|
||
local assert = assert
|
||
|
||
_ENV = nil
|
||
|
||
local function isInteger(n)
|
||
if mathType then
|
||
return mathType(n) == 'integer'
|
||
else
|
||
return type(n) == 'number' and n % 1 == 0
|
||
end
|
||
end
|
||
|
||
local function formatNumber(n)
|
||
if n == inf
|
||
or n == -inf
|
||
or n == nan
|
||
or n ~= n then -- IEEE 标准中,NAN 不等于自己。但是某些实现中没有遵守这个规则
|
||
return ('%q'):format(n)
|
||
end
|
||
if isInteger(n) then
|
||
return tostring(n)
|
||
end
|
||
local str = ('%.10f'):format(n)
|
||
str = str:gsub('%.?0*$', '')
|
||
return str
|
||
end
|
||
|
||
local TAB = setmetatable({}, { __index = function (self, n)
|
||
self[n] = stringRep(' ', n)
|
||
return self[n]
|
||
end})
|
||
|
||
local RESERVED = {
|
||
['and'] = true,
|
||
['break'] = true,
|
||
['do'] = true,
|
||
['else'] = true,
|
||
['elseif'] = true,
|
||
['end'] = true,
|
||
['false'] = true,
|
||
['for'] = true,
|
||
['function'] = true,
|
||
['goto'] = true,
|
||
['if'] = true,
|
||
['in'] = true,
|
||
['local'] = true,
|
||
['nil'] = true,
|
||
['not'] = true,
|
||
['or'] = true,
|
||
['repeat'] = true,
|
||
['return'] = true,
|
||
['then'] = true,
|
||
['true'] = true,
|
||
['until'] = true,
|
||
['while'] = true,
|
||
}
|
||
|
||
local m = {}
|
||
|
||
--- 打印表的结构
|
||
---@param tbl any
|
||
---@param option? table
|
||
---@return string
|
||
function m.dump(tbl, option)
|
||
if not option then
|
||
option = {}
|
||
end
|
||
if type(tbl) ~= 'table' then
|
||
return ('%s'):format(tbl)
|
||
end
|
||
local lines = {}
|
||
local mark = {}
|
||
local stack = {}
|
||
lines[#lines+1] = '{'
|
||
local function unpack(tbl)
|
||
local deep = #stack
|
||
mark[tbl] = (mark[tbl] or 0) + 1
|
||
local keys = {}
|
||
local keymap = {}
|
||
local integerFormat = '[%d]'
|
||
local alignment = 0
|
||
if #tbl >= 10 then
|
||
local width = #tostring(#tbl)
|
||
integerFormat = ('[%%0%dd]'):format(mathCeil(width))
|
||
end
|
||
for key in pairs(tbl) do
|
||
if type(key) == 'string' then
|
||
if not key:match('^[%a_][%w_]*$')
|
||
or RESERVED[key]
|
||
or option['longStringKey']
|
||
then
|
||
keymap[key] = ('[%q]'):format(key)
|
||
else
|
||
keymap[key] = ('%s'):format(key)
|
||
end
|
||
elseif isInteger(key) then
|
||
keymap[key] = integerFormat:format(key)
|
||
else
|
||
keymap[key] = ('["<%s>"]'):format(tostring(key))
|
||
end
|
||
keys[#keys+1] = key
|
||
if option['alignment'] then
|
||
if #keymap[key] > alignment then
|
||
alignment = #keymap[key]
|
||
end
|
||
end
|
||
end
|
||
local mt = getmetatable(tbl)
|
||
if not mt or not mt.__pairs then
|
||
if option['sorter'] then
|
||
option['sorter'](keys, keymap)
|
||
else
|
||
tableSort(keys, function (a, b)
|
||
return keymap[a] < keymap[b]
|
||
end)
|
||
end
|
||
end
|
||
for _, key in ipairs(keys) do
|
||
local keyWord = keymap[key]
|
||
if option['noArrayKey']
|
||
and isInteger(key)
|
||
and key <= #tbl
|
||
then
|
||
keyWord = ''
|
||
else
|
||
if #keyWord < alignment then
|
||
keyWord = keyWord .. (' '):rep(alignment - #keyWord) .. ' = '
|
||
else
|
||
keyWord = keyWord .. ' = '
|
||
end
|
||
end
|
||
local value = tbl[key]
|
||
local tp = type(value)
|
||
local format = option['format'] and option['format'][key]
|
||
if format then
|
||
value = format(value, unpack, deep+1, stack)
|
||
tp = type(value)
|
||
end
|
||
if tp == 'table' then
|
||
if mark[value] and mark[value] > 0 then
|
||
lines[#lines+1] = ('%s%s%s,'):format(TAB[deep+1], keyWord, option['loop'] or '"<Loop>"')
|
||
elseif deep >= (option['deep'] or mathHuge) then
|
||
lines[#lines+1] = ('%s%s%s,'):format(TAB[deep+1], keyWord, '"<Deep>"')
|
||
else
|
||
lines[#lines+1] = ('%s%s{'):format(TAB[deep+1], keyWord)
|
||
stack[#stack+1] = key
|
||
unpack(value)
|
||
stack[#stack] = nil
|
||
lines[#lines+1] = ('%s},'):format(TAB[deep+1])
|
||
end
|
||
elseif tp == 'string' then
|
||
lines[#lines+1] = ('%s%s%q,'):format(TAB[deep+1], keyWord, value)
|
||
elseif tp == 'number' then
|
||
lines[#lines+1] = ('%s%s%s,'):format(TAB[deep+1], keyWord, (option['number'] or formatNumber)(value))
|
||
elseif tp == 'nil' then
|
||
else
|
||
lines[#lines+1] = ('%s%s%s,'):format(TAB[deep+1], keyWord, tostring(value))
|
||
end
|
||
end
|
||
mark[tbl] = mark[tbl] - 1
|
||
end
|
||
unpack(tbl)
|
||
lines[#lines+1] = '}'
|
||
return tableConcat(lines, '\r\n')
|
||
end
|
||
|
||
--- 递归判断A与B是否相等
|
||
---@param a any
|
||
---@param b any
|
||
---@return boolean
|
||
function m.equal(a, b)
|
||
local tp1 = type(a)
|
||
local tp2 = type(b)
|
||
if tp1 ~= tp2 then
|
||
return false
|
||
end
|
||
if tp1 == 'table' then
|
||
local mark = {}
|
||
for k, v in pairs(a) do
|
||
mark[k] = true
|
||
local res = m.equal(v, b[k])
|
||
if not res then
|
||
return false
|
||
end
|
||
end
|
||
for k in pairs(b) do
|
||
if not mark[k] then
|
||
return false
|
||
end
|
||
end
|
||
return true
|
||
elseif tp1 == 'number' then
|
||
if mathAbs(a - b) <= 1e-10 then
|
||
return true
|
||
end
|
||
return tostring(a) == tostring(b)
|
||
else
|
||
return a == b
|
||
end
|
||
end
|
||
|
||
local function sortTable(tbl)
|
||
if not tbl then
|
||
tbl = {}
|
||
end
|
||
local mt = {}
|
||
local keys = {}
|
||
local mark = {}
|
||
local n = 0
|
||
for key in next, tbl do
|
||
n=n+1;keys[n] = key
|
||
mark[key] = true
|
||
end
|
||
tableSort(keys)
|
||
function mt:__newindex(key, value)
|
||
rawset(self, key, value)
|
||
n=n+1;keys[n] = key
|
||
mark[key] = true
|
||
if type(value) == 'table' then
|
||
sortTable(value)
|
||
end
|
||
end
|
||
function mt:__pairs()
|
||
local list = {}
|
||
local m = 0
|
||
for key in next, self do
|
||
if not mark[key] then
|
||
m=m+1;list[m] = key
|
||
end
|
||
end
|
||
if m > 0 then
|
||
move(keys, 1, n, m+1)
|
||
tableSort(list)
|
||
for i = 1, m do
|
||
local key = list[i]
|
||
keys[i] = key
|
||
mark[key] = true
|
||
end
|
||
n = n + m
|
||
end
|
||
local i = 0
|
||
return function ()
|
||
i = i + 1
|
||
local key = keys[i]
|
||
return key, self[key]
|
||
end
|
||
end
|
||
|
||
return setmetatable(tbl, mt)
|
||
end
|
||
|
||
--- 创建一个有序表
|
||
---@param tbl? table
|
||
---@return table
|
||
function m.container(tbl)
|
||
return sortTable(tbl)
|
||
end
|
||
|
||
--- 读取文件
|
||
---@param path string
|
||
function m.loadFile(path, keepBom)
|
||
local f, e = ioOpen(path, 'rb')
|
||
if not f then
|
||
return nil, e
|
||
end
|
||
local text = f:read 'a'
|
||
f:close()
|
||
if not text then
|
||
return nil
|
||
end
|
||
if not keepBom then
|
||
if text:sub(1, 3) == '\xEF\xBB\xBF' then
|
||
return text:sub(4)
|
||
end
|
||
if text:sub(1, 2) == '\xFF\xFE'
|
||
or text:sub(1, 2) == '\xFE\xFF' then
|
||
return text:sub(3)
|
||
end
|
||
end
|
||
return text
|
||
end
|
||
|
||
--- 写入文件
|
||
---@param path string
|
||
---@param content string
|
||
function m.saveFile(path, content)
|
||
local f, e = ioOpen(path, "wb")
|
||
|
||
if f then
|
||
f:write(content)
|
||
f:close()
|
||
return true
|
||
else
|
||
return false, e
|
||
end
|
||
end
|
||
|
||
--- 计数器
|
||
---@param init? integer
|
||
---@param step? integer
|
||
---@return fun():integer
|
||
function m.counter(init, step)
|
||
if not step then
|
||
step = 1
|
||
end
|
||
local current = init and (init - 1) or 0
|
||
return function ()
|
||
current = current + step
|
||
return current
|
||
end
|
||
end
|
||
|
||
--- 排序后遍历
|
||
---@generic K, V
|
||
---@param t table<K, V>
|
||
---@param sorter? fun(a: K, b: K): boolean
|
||
---@return fun(): K, V
|
||
function m.sortPairs(t, sorter)
|
||
local keys = {}
|
||
for k in pairs(t) do
|
||
keys[#keys+1] = k
|
||
end
|
||
tableSort(keys, sorter)
|
||
local i = 0
|
||
return function ()
|
||
i = i + 1
|
||
local k = keys[i]
|
||
return k, t[k]
|
||
end
|
||
end
|
||
|
||
--- 深拷贝(不处理元表)
|
||
---@param source table
|
||
---@param target? table
|
||
function m.deepCopy(source, target)
|
||
local mark = {}
|
||
local function copy(a, b)
|
||
if type(a) ~= 'table' then
|
||
return a
|
||
end
|
||
if mark[a] then
|
||
return mark[a]
|
||
end
|
||
if not b then
|
||
b = {}
|
||
end
|
||
mark[a] = b
|
||
for k, v in pairs(a) do
|
||
b[copy(k)] = copy(v)
|
||
end
|
||
return b
|
||
end
|
||
return copy(source, target)
|
||
end
|
||
|
||
--- 序列化
|
||
function m.unpack(t)
|
||
local result = {}
|
||
local tid = 0
|
||
local cache = {}
|
||
local function unpack(o)
|
||
local id = cache[o]
|
||
if not id then
|
||
tid = tid + 1
|
||
id = tid
|
||
cache[o] = tid
|
||
if type(o) == 'table' then
|
||
local new = {}
|
||
result[tid] = new
|
||
for k, v in next, o do
|
||
new[unpack(k)] = unpack(v)
|
||
end
|
||
else
|
||
result[id] = o
|
||
end
|
||
end
|
||
return id
|
||
end
|
||
unpack(t)
|
||
return result
|
||
end
|
||
|
||
--- 反序列化
|
||
function m.pack(t)
|
||
local cache = {}
|
||
local function pack(id)
|
||
local o = cache[id]
|
||
if o then
|
||
return o
|
||
end
|
||
o = t[id]
|
||
if type(o) == 'table' then
|
||
local new = {}
|
||
cache[id] = new
|
||
for k, v in next, o do
|
||
new[pack(k)] = pack(v)
|
||
end
|
||
return new
|
||
else
|
||
cache[id] = o
|
||
return o
|
||
end
|
||
end
|
||
return pack(1)
|
||
end
|
||
|
||
--- defer
|
||
local deferMT = { __close = function (self) self[1]() end }
|
||
function m.defer(callback)
|
||
return setmetatable({ callback }, deferMT)
|
||
end
|
||
|
||
function m.enableCloseFunction()
|
||
setmetatable(function () end, { __close = function (f) f() end })
|
||
end
|
||
|
||
local esc = {
|
||
["'"] = [[\']],
|
||
['"'] = [[\"]],
|
||
['\r'] = [[\r]],
|
||
['\n'] = '\\\n',
|
||
}
|
||
|
||
function m.viewString(str, quo)
|
||
if not quo then
|
||
if str:find('[\r\n]') then
|
||
quo = '[['
|
||
elseif not str:find("'", 1, true) and str:find('"', 1, true) then
|
||
quo = "'"
|
||
else
|
||
quo = '"'
|
||
end
|
||
end
|
||
if quo == "'" then
|
||
str = str:gsub('[\000-\008\011-\012\014-\031\127]', function (char)
|
||
return ('\\%03d'):format(char:byte())
|
||
end)
|
||
return quo .. str:gsub([=[['\r\n]]=], esc) .. quo
|
||
elseif quo == '"' then
|
||
str = str:gsub('[\000-\008\011-\012\014-\031\127]', function (char)
|
||
return ('\\%03d'):format(char:byte())
|
||
end)
|
||
return quo .. str:gsub([=[["\r\n]]=], esc) .. quo
|
||
else
|
||
local eqnum = #quo - 2
|
||
local fsymb = ']' .. ('='):rep(eqnum) .. ']'
|
||
if not str:find(fsymb, 1, true) then
|
||
str = str:gsub('[\000-\008\011-\012\014-\031\127]', '')
|
||
return quo .. str .. fsymb
|
||
end
|
||
for i = 0, 10 do
|
||
local fsymb = ']' .. ('='):rep(i) .. ']'
|
||
if not str:find(fsymb, 1, true) then
|
||
local ssymb = '[' .. ('='):rep(i) .. '['
|
||
str = str:gsub('[\000-\008\011-\012\014-\031\127]', '')
|
||
return ssymb .. str .. fsymb
|
||
end
|
||
end
|
||
return m.viewString(str, '"')
|
||
end
|
||
end
|
||
|
||
function m.viewLiteral(v)
|
||
local tp = type(v)
|
||
if tp == 'nil' then
|
||
return 'nil'
|
||
elseif tp == 'string' then
|
||
return m.viewString(v)
|
||
elseif tp == 'boolean' then
|
||
return tostring(v)
|
||
elseif tp == 'number' then
|
||
if isInteger(v) then
|
||
return tostring(v)
|
||
else
|
||
return formatNumber(v)
|
||
end
|
||
end
|
||
return nil
|
||
end
|
||
|
||
function m.utf8Len(str, start, finish)
|
||
local len = 0
|
||
for _ = 1, 10000 do
|
||
local clen, pos = utf8Len(str, start, finish, true)
|
||
if clen then
|
||
len = len + clen
|
||
break
|
||
else
|
||
len = len + 1 + utf8Len(str, start, pos - 1, true)
|
||
start = pos + 1
|
||
end
|
||
end
|
||
return len
|
||
end
|
||
|
||
function m.revertTable(t)
|
||
local len = #t
|
||
if len <= 1 then
|
||
return t
|
||
end
|
||
for x = 1, len // 2 do
|
||
local y = len - x + 1
|
||
t[x], t[y] = t[y], t[x]
|
||
end
|
||
return t
|
||
end
|
||
|
||
function m.revertMap(t)
|
||
local nt = {}
|
||
for k, v in pairs(t) do
|
||
nt[v] = k
|
||
end
|
||
return nt
|
||
end
|
||
|
||
function m.randomSortTable(t, max)
|
||
local len = #t
|
||
if len <= 1 then
|
||
return t
|
||
end
|
||
if not max or max > len then
|
||
max = len
|
||
end
|
||
for x = 1, max do
|
||
local y = mathRandom(len)
|
||
t[x], t[y] = t[y], t[x]
|
||
end
|
||
return t
|
||
end
|
||
|
||
function m.tableMultiRemove(t, index)
|
||
local mark = {}
|
||
for i = 1, #index do
|
||
local v = index[i]
|
||
mark[v] = true
|
||
end
|
||
local offset = 0
|
||
local me = 1
|
||
local len = #t
|
||
while true do
|
||
local it = me + offset
|
||
if it > len then
|
||
for i = me, len do
|
||
t[i] = nil
|
||
end
|
||
break
|
||
end
|
||
if mark[it] then
|
||
offset = offset + 1
|
||
else
|
||
if me ~= it then
|
||
t[me] = t[it]
|
||
end
|
||
me = me + 1
|
||
end
|
||
end
|
||
end
|
||
|
||
---遍历文本的每一行
|
||
---@param text string
|
||
---@param keepNL? boolean # 保留换行符
|
||
---@return fun():string?, integer?
|
||
function m.eachLine(text, keepNL)
|
||
local offset = 1
|
||
local lineCount = 0
|
||
local lastLine
|
||
return function ()
|
||
lineCount = lineCount + 1
|
||
if offset > #text then
|
||
if not lastLine then
|
||
lastLine = ''
|
||
return '', lineCount
|
||
end
|
||
return nil
|
||
end
|
||
local nl = text:find('[\r\n]', offset)
|
||
if not nl then
|
||
lastLine = text:sub(offset)
|
||
offset = #text + 1
|
||
return lastLine, lineCount
|
||
end
|
||
local line
|
||
if text:sub(nl, nl + 1) == '\r\n' then
|
||
if keepNL then
|
||
line = text:sub(offset, nl + 1)
|
||
else
|
||
line = text:sub(offset, nl - 1)
|
||
end
|
||
offset = nl + 2
|
||
else
|
||
if keepNL then
|
||
line = text:sub(offset, nl)
|
||
else
|
||
line = text:sub(offset, nl - 1)
|
||
end
|
||
offset = nl + 1
|
||
end
|
||
return line, lineCount
|
||
end
|
||
end
|
||
|
||
function m.sortByScore(tbl, callbacks)
|
||
if type(callbacks) ~= 'table' then
|
||
callbacks = { callbacks }
|
||
end
|
||
local size = #callbacks
|
||
local scoreCache = {}
|
||
for i = 1, size do
|
||
scoreCache[i] = {}
|
||
end
|
||
tableSort(tbl, function (a, b)
|
||
for i = 1, size do
|
||
local callback = callbacks[i]
|
||
local cache = scoreCache[i]
|
||
local sa = cache[a] or callback(a)
|
||
local sb = cache[b] or callback(b)
|
||
cache[a] = sa
|
||
cache[b] = sb
|
||
if sa > sb then
|
||
return true
|
||
elseif sa < sb then
|
||
return false
|
||
end
|
||
end
|
||
return false
|
||
end)
|
||
end
|
||
|
||
---裁剪字符串
|
||
---@param str string
|
||
---@param mode? '"left"'|'"right"'
|
||
---@return string
|
||
function m.trim(str, mode)
|
||
if mode == "left" then
|
||
return (str:gsub('^%s+', ''))
|
||
end
|
||
if mode == "right" then
|
||
return (str:gsub('%s+$', ''))
|
||
end
|
||
return (str:match '^%s*(.-)%s*$')
|
||
end
|
||
|
||
function m.expandPath(path)
|
||
if path:sub(1, 1) == '~' then
|
||
local home = getenv('HOME')
|
||
if not home then -- has to be Windows
|
||
home = getenv 'USERPROFILE' or (getenv 'HOMEDRIVE' .. getenv 'HOMEPATH')
|
||
end
|
||
return home .. path:sub(2)
|
||
elseif path:sub(1, 1) == '$' then
|
||
path = path:gsub('%$([%w_]+)', getenv)
|
||
return path
|
||
end
|
||
return path
|
||
end
|
||
|
||
function m.arrayToHash(l)
|
||
local t = {}
|
||
for i = 1, #l do
|
||
t[l[i]] = true
|
||
end
|
||
return t
|
||
end
|
||
|
||
---@class switch
|
||
---@field cachedCases string[]
|
||
---@field map table<string, function>
|
||
---@field _default fun(...):...
|
||
local switchMT = {}
|
||
switchMT.__index = switchMT
|
||
|
||
---@param name string
|
||
---@return switch
|
||
function switchMT:case(name)
|
||
self.cachedCases[#self.cachedCases+1] = name
|
||
return self
|
||
end
|
||
|
||
---@param callback async fun(...):...
|
||
---@return switch
|
||
function switchMT:call(callback)
|
||
for i = 1, #self.cachedCases do
|
||
local name = self.cachedCases[i]
|
||
self.cachedCases[i] = nil
|
||
if self.map[name] then
|
||
error('Repeated fields:' .. tostring(name))
|
||
end
|
||
self.map[name] = callback
|
||
end
|
||
return self
|
||
end
|
||
|
||
---@param callback fun(...):...
|
||
---@return switch
|
||
function switchMT:default(callback)
|
||
self._default = callback
|
||
return self
|
||
end
|
||
|
||
function switchMT:getMap()
|
||
return self.map
|
||
end
|
||
|
||
---@param name string
|
||
---@return boolean
|
||
function switchMT:has(name)
|
||
return self.map[name] ~= nil
|
||
end
|
||
|
||
---@param name string
|
||
---@return ...
|
||
function switchMT:__call(name, ...)
|
||
local callback = self.map[name] or self._default
|
||
if not callback then
|
||
return
|
||
end
|
||
return callback(...)
|
||
end
|
||
|
||
---@return switch
|
||
function m.switch()
|
||
local obj = setmetatable({
|
||
map = {},
|
||
cachedCases = {},
|
||
}, switchMT)
|
||
return obj
|
||
end
|
||
|
||
---@param f async fun()
|
||
function m.getUpvalue(f, name)
|
||
for i = 1, 999 do
|
||
local uname, value = getupvalue(f, i)
|
||
if not uname then
|
||
break
|
||
end
|
||
if name == uname then
|
||
return value, true
|
||
end
|
||
end
|
||
return nil, false
|
||
end
|
||
|
||
function m.stringStartWith(str, head)
|
||
return str:sub(1, #head) == head
|
||
end
|
||
|
||
function m.stringEndWith(str, tail)
|
||
return str:sub(-#tail) == tail
|
||
end
|
||
|
||
function m.defaultTable(default)
|
||
return setmetatable({}, { __index = function (t, k)
|
||
if k == nil then
|
||
return nil
|
||
end
|
||
local v = default(k)
|
||
t[k] = v
|
||
return v
|
||
end })
|
||
end
|
||
|
||
function m.multiTable(count, default)
|
||
local current
|
||
if default then
|
||
current = setmetatable({}, { __index = function (t, k)
|
||
if k == nil then
|
||
return nil
|
||
end
|
||
local v = default(k)
|
||
t[k] = v
|
||
return v
|
||
end })
|
||
else
|
||
current = setmetatable({}, { __index = function (t, k)
|
||
if k == nil then
|
||
return nil
|
||
end
|
||
local v = {}
|
||
t[k] = v
|
||
return v
|
||
end })
|
||
end
|
||
for _ = 3, count do
|
||
current = setmetatable({}, { __index = function (t, k)
|
||
if k == nil then
|
||
return nil
|
||
end
|
||
t[k] = current
|
||
return current
|
||
end })
|
||
end
|
||
return current
|
||
end
|
||
|
||
---@param t table
|
||
---@param sorter boolean|function
|
||
function m.getTableKeys(t, sorter)
|
||
local keys = {}
|
||
for k in pairs(t) do
|
||
keys[#keys+1] = k
|
||
end
|
||
if sorter == true then
|
||
tableSort(keys)
|
||
elseif type(sorter) == 'function' then
|
||
tableSort(keys, sorter)
|
||
end
|
||
return keys
|
||
end
|
||
|
||
function m.arrayHas(array, value)
|
||
for i = 1, #array do
|
||
if array[i] == value then
|
||
return true
|
||
end
|
||
end
|
||
return false
|
||
end
|
||
|
||
function m.arrayInsert(array, value)
|
||
if not m.arrayHas(array, value) then
|
||
array[#array+1] = value
|
||
end
|
||
end
|
||
|
||
function m.arrayRemove(array, value)
|
||
for i = 1, #array do
|
||
if array[i] == value then
|
||
tableRemove(array, i)
|
||
return
|
||
end
|
||
end
|
||
end
|
||
|
||
m.MODE_K = { __mode = 'k' }
|
||
m.MODE_V = { __mode = 'v' }
|
||
m.MODE_KV = { __mode = 'kv' }
|
||
|
||
---@generic T: fun(param: any):any
|
||
---@param func T
|
||
---@return T
|
||
function m.cacheReturn(func)
|
||
local cache = {}
|
||
return function (param)
|
||
if cache[param] == nil then
|
||
cache[param] = func(param)
|
||
end
|
||
return cache[param]
|
||
end
|
||
end
|
||
|
||
return m
|