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local fs = require 'bee.filesystem'
local table_sort = table.sort
local stringRep = string.rep
local type = type
local pairs = pairs
local ipairs = ipairs
local math_type = math.type
local next = next
local rawset = rawset
local move = table.move
local setmetatable = setmetatable
local tableSort = table.sort
local mathType = math.type
local function formatNumber(n)
local str = ('%.10f'):format(n)
str = str:gsub('%.?0*$', '')
return str
end
local TAB = setmetatable({}, { __index = function (self, n)
self[n] = stringRep('\t', n)
return self[n]
end})
local RESERVED = {
['and'] = true,
['break'] = true,
['do'] = true,
['else'] = true,
['elseif'] = true,
['end'] = true,
['false'] = true,
['for'] = true,
['function'] = true,
['goto'] = true,
['if'] = true,
['in'] = true,
['local'] = true,
['nil'] = true,
['not'] = true,
['or'] = true,
['repeat'] = true,
['return'] = true,
['then'] = true,
['true'] = true,
['until'] = true,
['while'] = true,
}
function table.dump(tbl)
if type(tbl) ~= 'table' then
return ('%q'):format(tbl)
end
local lines = {}
local mark = {}
lines[#lines+1] = '{'
local function unpack(tbl, tab)
if mark[tbl] and mark[tbl] > 0 then
lines[#lines+1] = TAB[tab+1] .. '"<Loop>"'
return
end
if #lines > 10000 then
lines[#lines+1] = TAB[tab+1] .. '"<Large>"'
return
end
mark[tbl] = (mark[tbl] or 0) + 1
local keys = {}
local keymap = {}
local integerFormat = '[%d]'
if #tbl >= 10 then
local width = math.log(#tbl, 10)
integerFormat = ('[%%0%dd]'):format(math.ceil(width))
end
for key in pairs(tbl) do
if type(key) == 'string' then
if not key:match('^[%a_][%w_]*$')
or #key >= 32
or RESERVED[key]
then
keymap[key] = ('[%q]'):format(key)
else
keymap[key] = key
end
elseif mathType(key) == 'integer' then
keymap[key] = integerFormat:format(key)
else
keymap[key] = ('["<%s>"]'):format(key)
end
keys[#keys+1] = key
end
local mt = getmetatable(tbl)
if not mt or not mt.__pairs then
tableSort(keys, function (a, b)
return keymap[a] < keymap[b]
end)
end
for _, key in ipairs(keys) do
local value = tbl[key]
local tp = type(value)
if tp == 'table' then
lines[#lines+1] = ('%s%s = {'):format(TAB[tab+1], keymap[key])
unpack(value, tab+1)
lines[#lines+1] = ('%s},'):format(TAB[tab+1])
elseif tp == 'string' or tp == 'boolean' then
lines[#lines+1] = ('%s%s = %q,'):format(TAB[tab+1], keymap[key], value)
elseif tp == 'number' then
lines[#lines+1] = ('%s%s = %s,'):format(TAB[tab+1], keymap[key], formatNumber(value))
elseif tp == 'nil' then
else
lines[#lines+1] = ('%s%s = %s,'):format(TAB[tab+1], keymap[key], tostring(value))
end
end
mark[tbl] = mark[tbl] - 1
end
unpack(tbl, 0)
lines[#lines+1] = '}'
return table.concat(lines, '\r\n')
end
local function sort_table(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
table_sort(keys)
function mt:__newindex(key, value)
rawset(self, key, value)
n=n+1;keys[n] = key
mark[key] = true
if type(value) == 'table' then
sort_table(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)
table_sort(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
function table.container(tbl)
return sort_table(tbl)
end
function table.equal(a, b)
local tp1, tp2 = type(a), type(b)
if tp1 ~= tp2 then
return false
end
if tp1 == 'table' then
local mark = {}
for k in pairs(a) do
if not table.equal(a[k], b[k]) then
return false
end
mark[k] = true
end
for k in pairs(b) do
if not mark[k] then
return false
end
end
return true
end
return a == b
end
function table.deepCopy(a)
local t = {}
for k, v in pairs(a) do
if type(v) == 'table' then
t[k] = table.deepCopy(v)
else
t[k] = v
end
end
return t
end
function io.load(file_path)
local f, e = io.open(file_path:string(), 'rb')
if not f then
return nil, e
end
if f:read(3) ~= '\xEF\xBB\xBF' then
f:seek("set")
end
local buf = f:read 'a'
f:close()
return buf
end
function io.save(file_path, content)
local f, e = io.open(file_path:string(), "wb")
if f then
f:write(content)
f:close()
return true
else
return false, e
end
end
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