dfhack/library/lua/json.lua

45 lines
1.0 KiB
Lua

local _ENV = mkmodule('json')
local internal = require 'json.internal'
encode_defaults = {
-- For compatibility with jsonxx (C++)
pretty = true,
indent = '\t',
}
function encode(data, options, msg)
local opts = {}
for k, v in pairs(encode_defaults) do opts[k] = v end
for k, v in pairs(options or {}) do opts[k] = v end
return internal:encode(data, msg, opts)
end
function encode_file(data, path, overwrite, ...)
if dfhack.filesystem.exists(path) and not overwrite then
error('File exists: ' .. path)
end
if dfhack.filesystem.isdir(path) then
error('Is a directory: ' .. path)
end
local contents = encode(data, ...)
local f = io.open(path, 'w')
f:write(contents)
f:close()
end
function decode(data, msg)
return internal:decode(data, msg)
end
function decode_file(path, ...)
local f = io.open(path)
if not f then
error('Could not open ' .. path)
end
local contents = f:read('*all')
f:close()
return decode(contents, ...)
end
return _ENV