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local fs = require 'bee.filesystem'
local table_sort = table.sort
local string_rep = 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 TAB = setmetatable({}, { __index = function (self, n)
self[n] = string_rep('\t', n)
return self[n]
end})
local KEY = {}
function table.dump(tbl)
if type(tbl) ~= 'table' then
return ('%q'):format(tbl)
end
local table_mark = {}
local lines = {}
lines[#lines+1] = '{'
local function unpack(tbl, tab)
if table_mark[tbl] then
return '<Circle Table>'
end
table_mark[tbl] = true
local keys = {}
for key in pairs(tbl) do
if type(key) == 'string' then
if key:find('[^%w_]') then
KEY[key] = ('[%q]'):format(key)
else
KEY[key] = key
end
elseif math_type(key) == 'integer' then
KEY[key] = ('[%d]'):format(key)
else
KEY[key] = ('<%s>'):format(key)
end
keys[#keys+1] = key
end
table_sort(keys, function (a, b)
return KEY[a] < KEY[b]
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], KEY[key])
unpack(value, tab+1)
lines[#lines+1] = ('%s},'):format(TAB[tab+1])
elseif tp == 'string' or tp == 'number' or tp == 'boolean' then
lines[#lines+1] = ('%s%s = %q,'):format(TAB[tab+1], KEY[key], value)
else
lines[#lines+1] = ('%s%s = <%s>,'):format(TAB[tab+1], KEY[key], value)
end
end
end
unpack(tbl, 0)
lines[#lines+1] = '}'
return table.concat(lines, '\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 io.load(file_path)
local f, e = io.open(file_path:string(), 'rb')
if not f then
return nil, e
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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