foundryvtt-swade-fr/tools/luajson/json/encode/calls.lua

69 lines
1.6 KiB
Lua

--[[
Licensed according to the included 'LICENSE' document
Author: Thomas Harning Jr <harningt@gmail.com>
]]
local table = require("table")
local table_concat = table.concat
local select = select
local getmetatable, setmetatable = getmetatable, setmetatable
local assert = assert
local jsonutil = require("json.util")
local isCall, decodeCall = jsonutil.isCall, jsonutil.decodeCall
local _ENV = nil
local defaultOptions = {
}
-- No real default-option handling needed...
local modeOptions = {}
local function mergeOptions(options, mode)
jsonutil.doOptionMerge(options, false, 'calls', defaultOptions, mode and modeOptions[mode])
end
--[[
Encodes 'value' as a function call
Must have parameters in the 'callData' field of the metatable
name == name of the function call
parameters == array of parameters to encode
]]
local function getEncoder(options)
options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
local function encodeCall(value, state)
if not isCall(value) then
return false
end
local encode = state.encode
local name, params = decodeCall(value)
local compositeEncoder = state.outputEncoder.composite
local valueEncoder = [[
for i = 1, (composite.n or #composite) do
local val = composite[i]
PUTINNER(i ~= 1)
val = encode(val, state)
val = val or ''
if val then
PUTVALUE(val)
end
end
]]
return compositeEncoder(valueEncoder, name .. '(', ')', ',', params, encode, state)
end
return {
table = encodeCall,
['function'] = encodeCall
}
end
local calls = {
mergeOptions = mergeOptions,
getEncoder = getEncoder
}
return calls