Update talents + beasts

tools/luajson/json.lua

@@ -0,0 +1,25 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+package.path = package.path .. ";lpeg/?.lua"
+local decode = require("json.decode")
+local encode = require("json.encode")
+local util = require("json.util")
+
+local _G = _G
+
+local _ENV = nil
+
+local json = {
+	_VERSION = "1.3.4",
+	_DESCRIPTION = "LuaJSON : customizable JSON decoder/encoder",
+	_COPYRIGHT = "Copyright (c) 2007-2014 Thomas Harning Jr. <harningt@gmail.com>",
+	decode = decode,
+	encode = encode,
+	util = util
+}
+
+_G.json = json
+
+return json

tools/luajson/json/decode.lua

@@ -0,0 +1,171 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+
+local error = error
+local pcall = pcall
+
+local jsonutil = require("json.util")
+local merge = jsonutil.merge
+local util = require("json.decode.util")
+
+local decode_state = require("json.decode.state")
+
+local setmetatable, getmetatable = setmetatable, getmetatable
+local assert = assert
+local ipairs, pairs = ipairs, pairs
+local string_char = require("string").char
+
+local type = type
+
+local require = require
+
+local _ENV = nil
+
+local modulesToLoad = {
+	"composite",
+	"strings",
+	"number",
+	"others"
+}
+local loadedModules = {
+}
+
+local json_decode = {}
+
+json_decode.default = {
+	unicodeWhitespace = true,
+	initialObject = false,
+	nothrow = false
+}
+
+local modes_defined = { "default", "strict", "simple" }
+
+json_decode.simple = {}
+
+json_decode.strict = {
+	unicodeWhitespace = true,
+	initialObject = true,
+	nothrow = false
+}
+
+for _,name in ipairs(modulesToLoad) do
+	local mod = require("json.decode." .. name)
+	if mod.mergeOptions then
+		for _, mode in pairs(modes_defined) do
+			mod.mergeOptions(json_decode[mode], mode)
+		end
+	end
+	loadedModules[#loadedModules + 1] = mod
+end
+
+-- Shift over default into defaultOptions to permit build optimization
+local defaultOptions = json_decode.default
+json_decode.default = nil
+
+local function generateDecoder(lexer, options)
+	-- Marker to permit detection of final end
+	local marker = {}
+	local parser = lpeg.Ct((options.ignored * lexer)^0 * lpeg.Cc(marker)) * options.ignored * (lpeg.P(-1) + util.unexpected())
+	local decoder = function(data)
+		local state = decode_state.create(options)
+		local parsed = parser:match(data)
+		assert(parsed, "Invalid JSON data")
+		local i = 0
+		while true do
+			i = i + 1
+			local item = parsed[i]
+			if item == marker then break end
+			if type(item) == 'function' and item ~= jsonutil.undefined and item ~= jsonutil.null then
+				item(state)
+			else
+				state:set_value(item)
+			end
+		end
+		if options.initialObject then
+			assert(type(state.previous) == 'table', "Initial value not an object or array")
+		end
+		-- Make sure stack is empty
+		assert(state.i == 0, "Unclosed elements present")
+		return state.previous
+	end
+	if options.nothrow then
+		return function(data)
+			local status, rv = pcall(decoder, data)
+			if status then
+				return rv
+			else
+				return nil, rv
+			end
+		end
+	end
+	return decoder
+end
+
+local function buildDecoder(mode)
+	mode = mode and merge({}, defaultOptions, mode) or defaultOptions
+	for _, mod in ipairs(loadedModules) do
+		if mod.mergeOptions then
+			mod.mergeOptions(mode)
+		end
+	end
+	local ignored = mode.unicodeWhitespace and util.unicode_ignored or util.ascii_ignored
+	-- Store 'ignored' in the global options table
+	mode.ignored = ignored
+
+	--local grammar = {
+	--	[1] = mode.initialObject and (ignored * (object_type + array_type)) or value_type
+	--}
+	local lexer
+	for _, mod in ipairs(loadedModules) do
+		local new_lexer = mod.generateLexer(mode)
+		lexer = lexer and lexer + new_lexer or new_lexer
+	end
+	return generateDecoder(lexer, mode)
+end
+
+-- Since 'default' is nil, we cannot take map it
+local defaultDecoder = buildDecoder(json_decode.default)
+local prebuilt_decoders = {}
+for _, mode in pairs(modes_defined) do
+	if json_decode[mode] ~= nil then
+		prebuilt_decoders[json_decode[mode]] = buildDecoder(json_decode[mode])
+	end
+end
+
+--[[
+Options:
+	number => number decode options
+	string => string decode options
+	array  => array decode options
+	object => object decode options
+	initialObject => whether or not to require the initial object to be a table/array
+	allowUndefined => whether or not to allow undefined values
+]]
+local function getDecoder(mode)
+	mode = mode == true and json_decode.strict or mode or json_decode.default
+	local decoder = mode == nil and defaultDecoder or prebuilt_decoders[mode]
+	if decoder then
+		return decoder
+	end
+	return buildDecoder(mode)
+end
+
+local function decode(data, mode)
+	local decoder = getDecoder(mode)
+	return decoder(data)
+end
+
+local mt = {}
+mt.__call = function(self, ...)
+	return decode(...)
+end
+
+json_decode.getDecoder = getDecoder
+json_decode.decode = decode
+json_decode.util = util
+setmetatable(json_decode, mt)
+
+return json_decode

tools/luajson/json/decode/composite.lua

@@ -0,0 +1,190 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local pairs = pairs
+local type = type
+
+local lpeg = require("lpeg")
+
+local util = require("json.decode.util")
+local jsonutil = require("json.util")
+
+local rawset = rawset
+
+local assert = assert
+local tostring = tostring
+
+local error = error
+local getmetatable = getmetatable
+
+local _ENV = nil
+
+local defaultOptions = {
+	array = {
+		trailingComma = true
+	},
+	object = {
+		trailingComma = true,
+		number = true,
+		identifier = true,
+		setObjectKey = rawset
+	},
+	calls = {
+		defs = nil,
+		-- By default, do not allow undefined calls to be de-serialized as call objects
+		allowUndefined = false
+	}
+}
+
+local modeOptions = {
+	default = nil,
+	strict = {
+		array = {
+			trailingComma = false
+		},
+		object = {
+			trailingComma = false,
+			number = false,
+			identifier = false
+		}
+	}
+}
+
+local function BEGIN_ARRAY(state)
+	state:push()
+	state:new_array()
+end
+local function END_ARRAY(state)
+	state:end_array()
+	state:pop()
+end
+
+local function BEGIN_OBJECT(state)
+	state:push()
+	state:new_object()
+end
+local function END_OBJECT(state)
+	state:end_object()
+	state:pop()
+end
+
+local function END_CALL(state)
+	state:end_call()
+	state:pop()
+end
+
+local function SET_KEY(state)
+	state:set_key()
+end
+
+local function NEXT_VALUE(state)
+	state:put_value()
+end
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, true, 'array', defaultOptions, mode and modeOptions[mode])
+	jsonutil.doOptionMerge(options, true, 'object', defaultOptions, mode and modeOptions[mode])
+	jsonutil.doOptionMerge(options, true, 'calls', defaultOptions, mode and modeOptions[mode])
+end
+
+
+local isPattern
+if lpeg.type then
+	function isPattern(value)
+		return lpeg.type(value) == 'pattern'
+	end
+else
+	local metaAdd = getmetatable(lpeg.P("")).__add
+	function isPattern(value)
+		return getmetatable(value).__add == metaAdd
+	end
+end
+
+
+local function generateSingleCallLexer(name, func)
+	if type(name) ~= 'string' and not isPattern(name) then
+		error("Invalid functionCalls name: " .. tostring(name) .. " not a string or LPEG pattern")
+	end
+	-- Allow boolean or function to match up w/ encoding permissions
+	if type(func) ~= 'boolean' and type(func) ~= 'function' then
+		error("Invalid functionCalls item: " .. name .. " not a function")
+	end
+	local function buildCallCapture(name)
+		return function(state)
+			if func == false then
+				error("Function call on '" .. name .. "' not permitted")
+			end
+			state:push()
+			state:new_call(name, func)
+		end
+	end
+	local nameCallCapture
+	if type(name) == 'string' then
+		nameCallCapture = lpeg.P(name .. "(") * lpeg.Cc(name) / buildCallCapture
+	else
+		-- Name matcher expected to produce a capture
+		nameCallCapture = name * "(" / buildCallCapture
+	end
+	-- Call func over nameCallCapture and value to permit function receiving name
+	return nameCallCapture
+end
+
+local function generateNamedCallLexers(options)
+	if not options.calls or not options.calls.defs then
+		return
+	end
+	local callCapture
+	for name, func in pairs(options.calls.defs) do
+		local newCapture = generateSingleCallLexer(name, func)
+		if not callCapture then
+			callCapture = newCapture
+		else
+			callCapture = callCapture + newCapture
+		end
+	end
+	return callCapture
+end
+
+local function generateCallLexer(options)
+	local lexer
+	local namedCapture = generateNamedCallLexers(options)
+	if options.calls and options.calls.allowUndefined then
+		lexer = generateSingleCallLexer(lpeg.C(util.identifier), true)
+	end
+	if namedCapture then
+		lexer = lexer and lexer + namedCapture or namedCapture
+	end
+	if lexer then
+		lexer = lexer + lpeg.P(")") * lpeg.Cc(END_CALL)
+	end
+	return lexer
+end
+
+local function generateLexer(options)
+	local ignored = options.ignored
+	local array_options, object_options = options.array, options.object
+	local lexer =
+		lpeg.P("[") * lpeg.Cc(BEGIN_ARRAY)
+		+ lpeg.P("]") * lpeg.Cc(END_ARRAY)
+		+ lpeg.P("{") * lpeg.Cc(BEGIN_OBJECT)
+		+ lpeg.P("}") * lpeg.Cc(END_OBJECT)
+		+ lpeg.P(":") * lpeg.Cc(SET_KEY)
+		+ lpeg.P(",") * lpeg.Cc(NEXT_VALUE)
+	if object_options.identifier then
+		-- Add identifier match w/ validation check that it is in key
+		lexer = lexer + lpeg.C(util.identifier) * ignored * lpeg.P(":") * lpeg.Cc(SET_KEY)
+	end
+	local callLexers = generateCallLexer(options)
+	if callLexers then
+		lexer = lexer + callLexers
+	end
+	return lexer
+end
+
+local composite = {
+	mergeOptions = mergeOptions,
+	generateLexer = generateLexer
+}
+
+return composite

tools/luajson/json/decode/number.lua

@@ -0,0 +1,100 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local tonumber = tonumber
+local jsonutil = require("json.util")
+local merge = jsonutil.merge
+local util = require("json.decode.util")
+
+local _ENV = nil
+
+local digit  = lpeg.R("09")
+local digits = digit^1
+
+-- Illegal octal declaration
+local illegal_octal_detect = #(lpeg.P('0') * digits) * util.denied("Octal numbers")
+
+local int = (lpeg.P('-') + 0) * (lpeg.R("19") * digits + illegal_octal_detect + digit)
+
+local frac = lpeg.P('.') * digits
+
+local exp = lpeg.S("Ee") * (lpeg.S("-+") + 0) * digits
+
+local nan = lpeg.S("Nn") * lpeg.S("Aa") * lpeg.S("Nn")
+local inf = lpeg.S("Ii") * lpeg.P("nfinity")
+local ninf = lpeg.P('-') * lpeg.S("Ii") * lpeg.P("nfinity")
+local hex = (lpeg.P("0x") + lpeg.P("0X")) * lpeg.R("09","AF","af")^1
+
+local defaultOptions = {
+	nan = true,
+	inf = true,
+	frac = true,
+	exp = true,
+	hex = false
+}
+
+local modeOptions = {}
+
+modeOptions.strict = {
+	nan = false,
+	inf = false
+}
+
+local nan_value = 0/0
+local inf_value = 1/0
+local ninf_value = -1/0
+
+--[[
+	Options: configuration options for number rules
+		nan: match NaN
+		inf: match Infinity
+	   frac: match fraction portion (.0)
+	    exp: match exponent portion  (e1)
+	DEFAULT: nan, inf, frac, exp
+]]
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'number', defaultOptions, mode and modeOptions[mode])
+end
+
+local function generateLexer(options)
+	options = options.number
+	local ret = int
+	if options.frac then
+		ret = ret * (frac + 0)
+	else
+		ret = ret * (#frac * util.denied("Fractions", "number.frac") + 0)
+	end
+	if options.exp then
+		ret = ret * (exp + 0)
+	else
+		ret = ret * (#exp * util.denied("Exponents", "number.exp") + 0)
+	end
+	if options.hex then
+		ret = hex + ret
+	else
+		ret = #hex * util.denied("Hexadecimal", "number.hex") + ret
+	end
+	-- Capture number now
+	ret = ret / tonumber
+	if options.nan then
+		ret = ret + nan / function() return nan_value end
+	else
+		ret = ret + #nan * util.denied("NaN", "number.nan")
+	end
+	if options.inf then
+		ret = ret + ninf / function() return ninf_value end + inf / function() return inf_value end
+	else
+		ret = ret + (#ninf + #inf) * util.denied("+/-Inf", "number.inf")
+	end
+	return ret
+end
+
+local number = {
+	int = int,
+	mergeOptions = mergeOptions,
+	generateLexer = generateLexer
+}
+
+return number

tools/luajson/json/decode/others.lua

@@ -0,0 +1,62 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local jsonutil = require("json.util")
+local merge = jsonutil.merge
+local util = require("json.decode.util")
+
+-- Container module for other JavaScript types (bool, null, undefined)
+
+local _ENV = nil
+
+-- For null and undefined, use the util.null value to preserve null-ness
+local booleanCapture =
+	lpeg.P("true") * lpeg.Cc(true)
+	+ lpeg.P("false") * lpeg.Cc(false)
+
+local nullCapture = lpeg.P("null")
+local undefinedCapture = lpeg.P("undefined")
+
+local defaultOptions = {
+	allowUndefined = true,
+	null = jsonutil.null,
+	undefined = jsonutil.undefined
+}
+
+local modeOptions = {}
+
+modeOptions.simple = {
+	null = false,     -- Mapped to nil
+	undefined = false -- Mapped to nil
+}
+modeOptions.strict = {
+	allowUndefined = false
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'others', defaultOptions, mode and modeOptions[mode])
+end
+
+local function generateLexer(options)
+	-- The 'or nil' clause allows false to map to a nil value since 'nil' cannot be merged
+	options = options.others
+	local valueCapture = (
+		booleanCapture
+		+ nullCapture * lpeg.Cc(options.null or nil)
+	)
+	if options.allowUndefined then
+		valueCapture = valueCapture + undefinedCapture * lpeg.Cc(options.undefined or nil)
+	else
+		valueCapture = valueCapture + #undefinedCapture * util.denied("undefined", "others.allowUndefined")
+	end
+	return valueCapture
+end
+
+local others = {
+	mergeOptions = mergeOptions,	
+	generateLexer = generateLexer
+}
+
+return others

tools/luajson/json/decode/state.lua

@@ -0,0 +1,189 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+
+local setmetatable = setmetatable
+local jsonutil = require("json.util")
+local assert = assert
+local type = type
+local next = next
+local unpack = require("table").unpack or unpack
+
+local _ENV = nil
+
+local state_ops = {}
+local state_mt = {
+	__index = state_ops
+}
+
+function state_ops.pop(self)
+	self.previous_set = true
+	self.previous = self.active
+	local i = self.i
+	-- Load in this array into the active item
+	self.active = self.stack[i]
+	self.active_state = self.state_stack[i]
+	self.active_key = self.key_stack[i]
+	self.stack[i] = nil
+	self.state_stack[i] = nil
+	self.key_stack[i] = nil
+
+	self.i = i - 1
+end
+
+function state_ops.push(self)
+	local i = self.i + 1
+	self.i = i
+	
+	self.stack[i] = self.active
+	self.state_stack[i] = self.active_state
+	self.key_stack[i] = self.active_key
+end
+
+function state_ops.put_object_value(self, trailing)
+	local object_options = self.options.object
+	if trailing and object_options.trailingComma then
+		if not self.active_key then
+			return
+		end
+	end
+	assert(self.active_key, "Missing key value")
+	object_options.setObjectKey(self.active, self.active_key, self:grab_value())
+	self.active_key = nil
+end
+
+function state_ops.put_array_value(self, trailing)
+	-- Safety check
+	if trailing and not self.previous_set and self.options.array.trailingComma then
+		return
+	end
+	local new_index = self.active_state + 1
+	self.active_state = new_index
+	self.active[new_index] = self:grab_value()
+end
+
+function state_ops.put_value(self, trailing)
+	if self.active_state == 'object' then
+		self:put_object_value(trailing)
+	else
+		self:put_array_value(trailing)
+	end
+end
+
+function state_ops.new_array(self)
+	local new_array = {}
+	if jsonutil.InitArray then
+		new_array = jsonutil.InitArray(new_array) or new_array
+	end
+	self.active = new_array
+	self.active_state = 0
+	self.active_key = nil
+	self:unset_value()
+end
+
+function state_ops.end_array(self)
+	if self.previous_set or self.active_state ~= 0 then
+		-- Not an empty array
+		self:put_value(true)
+	end
+	if self.active_state ~= #self.active then
+		-- Store the length in
+		self.active.n = self.active_state
+	end
+end
+
+function state_ops.new_object(self)
+	local new_object = {}
+	self.active = new_object
+	self.active_state = 'object'
+	self.active_key = nil
+	self:unset_value()
+end
+
+function state_ops.end_object(self)
+	if self.previous_set or next(self.active) then
+		-- Not an empty object
+		self:put_value(true)
+	end
+end
+
+function state_ops.new_call(self, name, func)
+	-- TODO setup properly
+	local new_call = {}
+	new_call.name = name
+	new_call.func = func
+	self.active = new_call
+	self.active_state = 0
+	self.active_key = nil
+	self:unset_value()
+end
+
+function state_ops.end_call(self)
+	if self.previous_set or self.active_state ~= 0 then
+		-- Not an empty array
+		self:put_value(true)
+	end
+	if self.active_state ~= #self.active then
+		-- Store the length in
+		self.active.n = self.active_state
+	end
+	local func = self.active.func
+	if func == true then
+		func = jsonutil.buildCall
+	end
+	self.active = func(self.active.name, unpack(self.active, 1, self.active.n or #self.active))
+end
+
+
+function state_ops.unset_value(self)
+	self.previous_set = false
+	self.previous = nil
+end
+
+function state_ops.grab_value(self)
+	assert(self.previous_set, "Previous value not set")
+	self.previous_set = false
+	return self.previous
+end
+
+function state_ops.set_value(self, value)
+	assert(not self.previous_set, "Value set when one already in slot")
+	self.previous_set = true
+	self.previous = value
+end
+
+function state_ops.set_key(self)
+	assert(self.active_state == 'object', "Cannot set key on array")
+	local value = self:grab_value()
+	local value_type = type(value)
+	if self.options.object.number then
+		assert(value_type == 'string' or value_type == 'number', "As configured, a key must be a number or string") 
+	else
+		assert(value_type == 'string', "As configured, a key must be a string")
+	end
+	self.active_key = value
+end
+
+
+local function create(options)
+	local ret = {
+		options = options,
+		stack = {},
+		state_stack = {},
+		key_stack = {},
+		i = 0,
+		active = nil,
+		active_key = nil,
+		previous = nil,
+		active_state = nil
+
+	}
+	return setmetatable(ret, state_mt)
+end
+
+local state = {
+	create = create
+}
+
+return state

tools/luajson/json/decode/strings.lua

@@ -0,0 +1,133 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local jsonutil = require("json.util")
+local util = require("json.decode.util")
+local merge = jsonutil.merge
+
+local tonumber = tonumber
+local string_char = require("string").char
+local floor = require("math").floor
+local table_concat = require("table").concat
+
+local error = error
+
+local _ENV = nil
+
+local function get_error(item)
+	local fmt_string = item .. " in string [%q] @ %i:%i"
+	return lpeg.P(function(data, index)
+		local line, line_index, bad_char, last_line = util.get_invalid_character_info(data, index)
+		local err = fmt_string:format(bad_char, line, line_index)
+		error(err)
+	end) * 1
+end
+
+local bad_unicode   = get_error("Illegal unicode escape")
+local bad_hex       = get_error("Illegal hex escape")
+local bad_character = get_error("Illegal character")
+local bad_escape    = get_error("Illegal escape")
+
+local knownReplacements = {
+	["'"] = "'",
+	['"'] = '"',
+	['\\'] = '\\',
+	['/'] = '/',
+	b = '\b',
+	f = '\f',
+	n = '\n',
+	r = '\r',
+	t = '\t',
+	v = '\v',
+	z = '\z'
+}
+
+-- according to the table at http://da.wikipedia.org/wiki/UTF-8
+local function utf8DecodeUnicode(code1, code2)
+	code1, code2 = tonumber(code1, 16), tonumber(code2, 16)
+	if code1 == 0 and code2 < 0x80 then
+		return string_char(code2)
+	end
+	if code1 < 0x08 then
+		return string_char(
+			0xC0 + code1 * 4 + floor(code2 / 64),
+			0x80 + code2 % 64)
+	end
+	return string_char(
+		0xE0 + floor(code1 / 16),
+		0x80 + (code1 % 16) * 4 + floor(code2 / 64),
+		0x80 + code2 % 64)
+end
+
+local function decodeX(code)
+	code = tonumber(code, 16)
+	return string_char(code)
+end
+
+local doSimpleSub = lpeg.C(lpeg.S("'\"\\/bfnrtvz")) / knownReplacements
+local doUniSub = lpeg.P('u') * (lpeg.C(util.hexpair) * lpeg.C(util.hexpair) + bad_unicode)
+local doXSub = lpeg.P('x') * (lpeg.C(util.hexpair) + bad_hex)
+
+local defaultOptions = {
+	badChars = '',
+	additionalEscapes = false, -- disallow untranslated escapes
+	escapeCheck = #lpeg.S('bfnrtv/\\"xu\'z'), -- no check on valid characters
+	decodeUnicode = utf8DecodeUnicode,
+	strict_quotes = false
+}
+
+local modeOptions = {}
+
+modeOptions.strict = {
+	badChars = '\b\f\n\r\t\v',
+	additionalEscapes = false, -- no additional escapes
+	escapeCheck = #lpeg.S('bfnrtv/\\"u'), --only these chars are allowed to be escaped
+	strict_quotes = true
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'strings', defaultOptions, mode and modeOptions[mode])
+end
+
+local function buildCaptureString(quote, badChars, escapeMatch)
+	local captureChar = (1 - lpeg.S("\\" .. badChars .. quote)) + (lpeg.P("\\") / "" * escapeMatch)
+	-- During error, force end
+	local captureString = captureChar^0 + (-#lpeg.P(quote) * bad_character + -1)
+	return lpeg.P(quote) * lpeg.Cs(captureString) * lpeg.P(quote)
+end
+
+local function generateLexer(options)
+	options = options.strings
+	local quotes = { '"' }
+	if not options.strict_quotes then
+		quotes[#quotes + 1] = "'"
+	end
+	local escapeMatch = doSimpleSub
+	escapeMatch = escapeMatch + doXSub / decodeX
+	escapeMatch = escapeMatch + doUniSub / options.decodeUnicode
+	if options.escapeCheck then
+		escapeMatch = options.escapeCheck * escapeMatch + bad_escape
+	end
+	if options.additionalEscapes then
+		escapeMatch = options.additionalEscapes + escapeMatch
+	end
+	local captureString
+	for i = 1, #quotes do
+		local cap = buildCaptureString(quotes[i], options.badChars, escapeMatch)
+		if captureString == nil then
+			captureString = cap
+		else
+			captureString = captureString + cap
+		end
+	end
+	return captureString
+end
+
+local strings = {
+	mergeOptions = mergeOptions,
+	generateLexer = generateLexer
+}
+
+return strings

tools/luajson/json/decode/util.lua

@@ -0,0 +1,121 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local select = select
+local pairs, ipairs = pairs, ipairs
+local tonumber = tonumber
+local string_char = require("string").char
+local rawset = rawset
+local jsonutil = require("json.util")
+
+local error = error
+local setmetatable = setmetatable
+
+local table_concat = require("table").concat
+
+local merge = require("json.util").merge
+
+local _ENV = nil
+
+local function get_invalid_character_info(input, index)
+	local parsed = input:sub(1, index)
+	local bad_character = input:sub(index, index)
+	local _, line_number = parsed:gsub('\n',{})
+	local last_line = parsed:match("\n([^\n]+.)$") or parsed
+	return line_number, #last_line, bad_character, last_line
+end
+
+local function build_report(msg)
+	local fmt = msg:gsub("%%", "%%%%") .. " @ character: %i %i:%i [%s] line:\n%s"
+	return lpeg.P(function(data, pos)
+		local line, line_index, bad_char, last_line = get_invalid_character_info(data, pos)
+		local text = fmt:format(pos, line, line_index, bad_char, last_line)
+		error(text)
+	end) * 1
+end
+local function unexpected()
+	local msg = "unexpected character"
+	return build_report(msg)
+end
+local function denied(item, option)
+	local msg
+	if option then
+		msg = ("'%s' denied by option set '%s'"):format(item, option)
+	else
+		msg = ("'%s' denied"):format(item)
+	end
+	return build_report(msg)
+end
+
+-- 09, 0A, 0B, 0C, 0D, 20
+local ascii_space = lpeg.S("\t\n\v\f\r ")
+local unicode_space
+do
+	local chr = string_char
+	local u_space = ascii_space
+	-- \u0085 \u00A0
+	u_space = u_space + lpeg.P(chr(0xC2)) * lpeg.S(chr(0x85) .. chr(0xA0))
+	-- \u1680 \u180E
+	u_space = u_space + lpeg.P(chr(0xE1)) * (lpeg.P(chr(0x9A, 0x80)) + chr(0xA0, 0x8E))
+	-- \u2000 - \u200A, also 200B
+	local spacing_end = ""
+	for i = 0x80,0x8b do
+		spacing_end = spacing_end .. chr(i)
+	end
+	-- \u2028 \u2029 \u202F
+	spacing_end = spacing_end .. chr(0xA8) .. chr(0xA9) .. chr(0xAF)
+	u_space = u_space + lpeg.P(chr(0xE2, 0x80)) * lpeg.S(spacing_end)
+	-- \u205F
+	u_space = u_space + lpeg.P(chr(0xE2, 0x81, 0x9F))
+	-- \u3000
+	u_space = u_space + lpeg.P(chr(0xE3, 0x80, 0x80))
+	-- BOM \uFEFF
+	u_space = u_space + lpeg.P(chr(0xEF, 0xBB, 0xBF))
+	unicode_space = u_space
+end
+
+local identifier = lpeg.R("AZ","az","__") * lpeg.R("AZ","az", "__", "09") ^0
+
+local hex = lpeg.R("09","AF","af")
+local hexpair = hex * hex
+
+local comments = {
+	cpp = lpeg.P("//") * (1 - lpeg.P("\n"))^0 * lpeg.P("\n"),
+	c = lpeg.P("/*") * (1 - lpeg.P("*/"))^0 * lpeg.P("*/")
+}
+
+local comment = comments.cpp + comments.c
+
+local ascii_ignored = (ascii_space + comment)^0
+
+local unicode_ignored = (unicode_space + comment)^0
+
+-- Parse the lpeg version skipping patch-values
+-- LPEG <= 0.7 have no version value... so 0.7 is value
+local DecimalLpegVersion = lpeg.version and tonumber(lpeg.version():match("^(%d+%.%d+)")) or 0.7
+
+local function setObjectKeyForceNumber(t, key, value)
+	key = tonumber(key) or key
+	return rawset(t, key, value)
+end
+
+local util = {
+	unexpected = unexpected,
+	denied = denied,
+	ascii_space = ascii_space,
+	unicode_space = unicode_space,
+	identifier = identifier,
+	hex = hex,
+	hexpair = hexpair,
+	comments = comments,
+	comment = comment,
+	ascii_ignored = ascii_ignored,
+	unicode_ignored = unicode_ignored,
+	DecimalLpegVersion = DecimalLpegVersion,
+	get_invalid_character_info = get_invalid_character_info,
+	setObjectKeyForceNumber = setObjectKeyForceNumber
+}
+
+return util

tools/luajson/json/encode.lua

@@ -0,0 +1,161 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local type = type
+local assert, error = assert, error
+local getmetatable, setmetatable = getmetatable, setmetatable
+
+local ipairs, pairs = ipairs, pairs
+local require = require
+
+local output = require("json.encode.output")
+
+local util = require("json.util")
+local util_merge, isCall = util.merge, util.isCall
+
+local _ENV = nil
+
+--[[
+	List of encoding modules to load.
+	Loaded in sequence such that earlier encoders get priority when
+	duplicate type-handlers exist.
+]]
+local modulesToLoad = {
+	"strings",
+	"number",
+	"calls",
+	"others",
+	"array",
+	"object"
+}
+-- Modules that have been loaded
+local loadedModules = {}
+
+local json_encode = {}
+
+-- Configuration bases for client apps
+local modes_defined = { "default", "strict" }
+
+json_encode.default = {}
+json_encode.strict = {
+	initialObject = true -- Require an object at the root
+}
+
+-- For each module, load it and its defaults
+for _,name in ipairs(modulesToLoad) do
+	local mod = require("json.encode." .. name)
+	if mod.mergeOptions then
+		for _, mode in pairs(modes_defined) do
+			mod.mergeOptions(json_encode[mode], mode)
+		end
+	end
+	loadedModules[name] = mod
+end
+
+-- NOTE: Nested not found, so assume unsupported until use case arises
+local function flattenOutput(out, value)
+    assert(type(value) ~= 'table')
+	out = out or {}
+    out[#out + 1] = value
+    return out
+end
+
+-- Prepares the encoding map from the already provided modules and new config
+local function prepareEncodeMap(options)
+	local map = {}
+	for _, name in ipairs(modulesToLoad) do
+		local encodermap = loadedModules[name].getEncoder(options[name])
+		for valueType, encoderSet in pairs(encodermap) do
+			map[valueType] = flattenOutput(map[valueType], encoderSet)
+		end
+	end
+	return map
+end
+
+--[[
+	Encode a value with a given encoding map and state
+]]
+local function encodeWithMap(value, map, state, isObjectKey)
+	local t = type(value)
+	local encoderList = assert(map[t], "Failed to encode value, unhandled type: " .. t)
+	for _, encoder in ipairs(encoderList) do
+		local ret = encoder(value, state, isObjectKey)
+		if false ~= ret then
+			return ret
+		end
+	end
+	error("Failed to encode value, encoders for " .. t .. " deny encoding")
+end
+
+
+local function getBaseEncoder(options)
+	local encoderMap = prepareEncodeMap(options)
+	if options.preProcess then
+		local preProcess = options.preProcess
+		return function(value, state, isObjectKey)
+			local ret = preProcess(value, isObjectKey or false)
+			if nil ~= ret then
+				value = ret
+			end
+			return encodeWithMap(value, encoderMap, state)
+		end
+	end
+	return function(value, state, isObjectKey)
+		return encodeWithMap(value, encoderMap, state)
+	end
+end
+--[[
+	Retreive an initial encoder instance based on provided options
+	the initial encoder is responsible for initializing state
+		State has at least these values configured: encode, check_unique, already_encoded
+]]
+function json_encode.getEncoder(options)
+	options = options and util_merge({}, json_encode.default, options) or json_encode.default
+	local encode = getBaseEncoder(options)
+
+	local function initialEncode(value)
+		if options.initialObject then
+			local errorMessage = "Invalid arguments: expects a JSON Object or Array at the root"
+			assert(type(value) == 'table' and not isCall(value, options), errorMessage)
+		end
+
+		local alreadyEncoded = {}
+		local function check_unique(value)
+			assert(not alreadyEncoded[value], "Recursive encoding of value")
+			alreadyEncoded[value] = true
+		end
+
+		local outputEncoder = options.output and options.output() or output.getDefault()
+		local state = {
+			encode = encode,
+			check_unique = check_unique,
+			already_encoded = alreadyEncoded, -- To unmark encoding when moving up stack
+			outputEncoder = outputEncoder
+		}
+		local ret = encode(value, state)
+		if nil ~= ret then
+			return outputEncoder.simple and outputEncoder.simple(ret) or ret
+		end
+	end
+	return initialEncode
+end
+
+-- CONSTRUCT STATE WITH FOLLOWING (at least)
+--[[
+	encoder
+	check_unique -- used by inner encoders to make sure value is unique
+	already_encoded -- used to unmark a value as unique
+]]
+function json_encode.encode(data, options)
+	return json_encode.getEncoder(options)(data)
+end
+
+local mt = {}
+mt.__call = function(self, ...)
+	return json_encode.encode(...)
+end
+
+setmetatable(json_encode, mt)
+
+return json_encode

tools/luajson/json/encode/array.lua

@@ -0,0 +1,110 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local jsonutil = require("json.util")
+
+local type = type
+local pairs = pairs
+local assert = assert
+
+local table = require("table")
+local math = require("math")
+local table_concat = table.concat
+local math_floor, math_modf = math.floor, math.modf
+
+local jsonutil = require("json.util")
+local util_IsArray = jsonutil.IsArray
+
+local _ENV = nil
+
+local defaultOptions = {
+	isArray = util_IsArray
+}
+
+local modeOptions = {}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'array', defaultOptions, mode and modeOptions[mode])
+end
+
+--[[
+	Utility function to determine whether a table is an array or not.
+	Criteria for it being an array:
+		* ExternalIsArray returns true (or false directly reports not-array)
+		* If the table has an 'n' value that is an integer >= 1 then it
+		  is an array... may result in false positives (should check some values
+		  before it)
+		* It is a contiguous list of values with zero string-based keys
+]]
+local function isArray(val, options)
+	local externalIsArray = options and options.isArray
+
+	if externalIsArray then
+		local ret = externalIsArray(val)
+		if ret == true or ret == false then
+			return ret
+		end
+	end
+	-- Use the 'n' element if it's a number
+	if type(val.n) == 'number' and math_floor(val.n) == val.n and val.n >= 1 then
+		return true
+	end
+	local len = #val
+	for k,v in pairs(val) do
+		if type(k) ~= 'number' then
+			return false
+		end
+		local _, decim = math_modf(k)
+		if not (decim == 0 and 1<=k) then
+			return false
+		end
+		if k > len then -- Use Lua's length as absolute determiner
+			return false
+		end
+	end
+
+	return true
+end
+
+--[[
+	Cleanup function to unmark a value as in the encoding process and return
+	trailing results
+]]
+local function unmarkAfterEncode(tab, state, ...)
+	state.already_encoded[tab] = nil
+	return ...
+end
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	local function encodeArray(tab,  state)
+		if not isArray(tab, options) then
+			return false
+		end
+		-- Make sure this value hasn't been encoded yet
+		state.check_unique(tab)
+		local encode = state.encode
+		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 unmarkAfterEncode(tab, state, compositeEncoder(valueEncoder, '[', ']', ',', tab, encode, state))
+	end
+	return { table = encodeArray }
+end
+
+local array = {
+	mergeOptions = mergeOptions,
+	isArray = isArray,
+	getEncoder = getEncoder
+}
+
+return array

tools/luajson/json/encode/calls.lua

@@ -0,0 +1,68 @@
+--[[
+	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

tools/luajson/json/encode/number.lua

@@ -0,0 +1,58 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local tostring = tostring
+local assert = assert
+local jsonutil = require("json.util")
+local huge = require("math").huge
+
+local _ENV = nil
+
+local defaultOptions = {
+	nan = true,
+	inf = true
+}
+
+local modeOptions = {}
+modeOptions.strict = {
+	nan = false,
+	inf = false
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'number', defaultOptions, mode and modeOptions[mode])
+end
+
+
+local function encodeNumber(number, options)
+	if number ~= number then
+		assert(options.nan, "Invalid number: NaN not enabled")
+		return "NaN"
+	end
+	if number == huge then
+		assert(options.inf, "Invalid number: Infinity not enabled")
+		return "Infinity"
+	end
+	if number == -huge then
+		assert(options.inf, "Invalid number: Infinity not enabled")
+		return "-Infinity"
+	end
+	return tostring(number)
+end
+
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	return {
+		number = function(number, state)
+			return encodeNumber(number, options)
+		end
+	}
+end
+
+local number = {
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return number

tools/luajson/json/encode/object.lua

@@ -0,0 +1,77 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local pairs = pairs
+local assert = assert
+
+local type = type
+local tostring = tostring
+
+local table_concat = require("table").concat
+local jsonutil = require("json.util")
+
+local _ENV = nil
+
+local defaultOptions = {
+}
+
+local modeOptions = {}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'object', defaultOptions, mode and modeOptions[mode])
+end
+
+--[[
+	Cleanup function to unmark a value as in the encoding process and return
+	trailing results
+]]
+local function unmarkAfterEncode(tab, state, ...)
+	state.already_encoded[tab] = nil
+	return ...
+end
+--[[
+	Encode a table as a JSON Object ( keys = strings, values = anything else )
+]]
+local function encodeTable(tab, options, state)
+	-- Make sure this value hasn't been encoded yet
+	state.check_unique(tab)
+	local encode = state.encode
+	local compositeEncoder = state.outputEncoder.composite
+	local valueEncoder = [[
+	local first = true
+	for k, v in pairs(composite) do
+		local ti = type(k)
+		assert(ti == 'string' or ti == 'number' or ti == 'boolean', "Invalid object index type: " .. ti)
+		local name = encode(tostring(k), state, true)
+		if first then
+			first = false
+		else
+			name = ',' .. name
+		end
+		PUTVALUE(name .. ':')
+		local val = encode(v, state)
+		val = val or ''
+		if val then
+			PUTVALUE(val)
+		end
+	end
+	]]
+	return unmarkAfterEncode(tab, state, compositeEncoder(valueEncoder, '{', '}', nil, tab, encode, state))
+end
+
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	return {
+		table = function(tab, state)
+			return encodeTable(tab, options, state)
+		end
+	}
+end
+
+local object = {
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return object

tools/luajson/json/encode/others.lua

@@ -0,0 +1,66 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local tostring = tostring
+
+local assert = assert
+local jsonutil = require("json.util")
+local type = type
+
+local _ENV = nil
+
+-- Shortcut that works
+local encodeBoolean = tostring
+
+local defaultOptions = {
+	allowUndefined = true,
+	null = jsonutil.null,
+	undefined = jsonutil.undefined
+}
+
+local modeOptions = {}
+
+modeOptions.strict = {
+	allowUndefined = false
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'others', defaultOptions, mode and modeOptions[mode])
+end
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	local function encodeOthers(value, state)
+		if value == options.null then
+			return 'null'
+		elseif value == options.undefined then
+			assert(options.allowUndefined, "Invalid value: Unsupported 'Undefined' parameter")
+			return 'undefined'
+		else
+			return false
+		end
+	end
+	local function encodeBoolean(value, state)
+		return value and 'true' or 'false'
+	end
+	local nullType = type(options.null)
+	local undefinedType = options.undefined and type(options.undefined)
+	-- Make sure that all of the types handled here are handled
+	local ret = {
+		boolean = encodeBoolean,
+		['nil'] = function() return 'null' end,
+		[nullType] = encodeOthers
+	}
+	if undefinedType then
+		ret[undefinedType] = encodeOthers
+	end
+	return ret
+end
+
+local others = {
+	encodeBoolean = encodeBoolean,
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return others

tools/luajson/json/encode/output.lua

@@ -0,0 +1,91 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local type = type
+local assert, error = assert, error
+local table_concat = require("table").concat
+local loadstring = loadstring or load
+
+local io = require("io")
+
+local setmetatable = setmetatable
+
+local output_utility = require("json.encode.output_utility")
+
+local _ENV = nil
+
+local tableCompositeCache = setmetatable({}, {__mode = 'v'})
+
+local TABLE_VALUE_WRITER = [[
+	ret[#ret + 1] = %VALUE%
+]]
+
+local TABLE_INNER_WRITER = ""
+
+--[[
+	nextValues can output a max of two values to throw into the data stream
+	expected to be called until nil is first return value
+	value separator should either be attached to v1 or in innerValue
+]]
+local function defaultTableCompositeWriter(nextValues, beginValue, closeValue, innerValue, composite, encode, state)
+	if type(nextValues) == 'string' then
+		local fun = output_utility.prepareEncoder(defaultTableCompositeWriter, nextValues, innerValue, TABLE_VALUE_WRITER, TABLE_INNER_WRITER)
+		local ret = {}
+		fun(composite, ret, encode, state)
+		return beginValue .. table_concat(ret, innerValue) .. closeValue
+	end
+end
+
+-- no 'simple' as default action is just to return the value
+local function getDefault()
+	return { composite = defaultTableCompositeWriter }
+end
+
+-- BEGIN IO-WRITER OUTPUT
+local IO_INNER_WRITER = [[
+	if %WRITE_INNER% then
+		state.__outputFile:write(%INNER_VALUE%)
+	end
+]]
+local IO_VALUE_WRITER = [[
+	state.__outputFile:write(%VALUE%)
+]]
+
+local function buildIoWriter(output)
+	if not output then -- Default to stdout
+		output = io.output()
+	end
+	local function ioWriter(nextValues, beginValue, closeValue, innerValue, composite, encode, state)
+		-- HOOK OUTPUT STATE
+		state.__outputFile = output
+		if type(nextValues) == 'string' then
+			local fun = output_utility.prepareEncoder(ioWriter, nextValues, innerValue, IO_VALUE_WRITER, IO_INNER_WRITER)
+			local ret = {}
+			output:write(beginValue)
+			fun(composite, ret, encode, state)
+			output:write(closeValue)
+			return nil
+		end
+	end
+
+	local function ioSimpleWriter(encoded)
+		if encoded then
+			output:write(encoded)
+		end
+		return nil
+	end
+	return { composite = ioWriter, simple = ioSimpleWriter }
+end
+local function getIoWriter(output)
+	return function()
+		return buildIoWriter(output)
+	end
+end
+
+local output = {
+	getDefault = getDefault,
+	getIoWriter = getIoWriter
+}
+
+return output

tools/luajson/json/encode/output_utility.lua

@@ -0,0 +1,54 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local setmetatable = setmetatable
+local assert, loadstring = assert, loadstring or load
+
+local _ENV = nil
+
+-- Key == weak, if main key goes away, then cache cleared
+local outputCache = setmetatable({}, {__mode = 'k'})
+-- TODO: inner tables weak?
+
+local function buildFunction(nextValues, innerValue, valueWriter, innerWriter)
+	local putInner = ""
+	if innerValue and innerWriter then
+		-- Prepare the lua-string representation of the separator to put in between values
+		local formattedInnerValue = ("%q"):format(innerValue)
+		-- Fill in the condition %WRITE_INNER% and the %INNER_VALUE% to actually write
+		putInner = innerWriter:gsub("%%WRITE_INNER%%", "%%1"):gsub("%%INNER_VALUE%%", formattedInnerValue)
+	end
+	-- Template-in the value writer (if present) and its conditional argument
+	local functionCode = nextValues:gsub("PUTINNER(%b())", putInner)
+	-- %VALUE% is to be filled in by the value-to-write
+	valueWriter = valueWriter:gsub("%%VALUE%%", "%%1")
+	-- Template-in the value writer with its argument
+	functionCode = functionCode:gsub("PUTVALUE(%b())", valueWriter)
+	functionCode = [[
+		return function(composite, ret, encode, state)
+	]] .. functionCode .. [[
+		end
+	]]
+	return assert(loadstring(functionCode))()
+end
+
+local function prepareEncoder(cacheKey, nextValues, innerValue, valueWriter, innerWriter)
+	local cache = outputCache[cacheKey]
+	if not cache then
+		cache = {}
+		outputCache[cacheKey] = cache
+	end
+	local fun = cache[nextValues]
+	if not fun then
+		fun = buildFunction(nextValues, innerValue, valueWriter, innerWriter)
+		cache[nextValues] = fun
+	end
+	return fun
+end
+
+local output_utility = {
+	prepareEncoder = prepareEncoder
+}
+
+return output_utility

tools/luajson/json/encode/strings.lua

@@ -0,0 +1,88 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local string_char = require("string").char
+local pairs = pairs
+
+local jsonutil = require("json.util")
+local util_merge = jsonutil.merge
+
+local _ENV = nil
+
+local normalEncodingMap = {
+	['"'] = '\\"',
+	['\\'] = '\\\\',
+	['/'] = '\\/',
+	['\b'] = '\\b',
+	['\f'] = '\\f',
+	['\n'] = '\\n',
+	['\r'] = '\\r',
+	['\t'] = '\\t',
+	['\v'] = '\\v' -- not in official spec, on report, removing
+}
+
+local xEncodingMap = {}
+for char, encoded in pairs(normalEncodingMap) do
+	xEncodingMap[char] = encoded
+end
+
+-- Pre-encode the control characters to speed up encoding...
+-- NOTE: UTF-8 may not work out right w/ JavaScript
+-- JavaScript uses 2 bytes after a \u... yet UTF-8 is a
+-- byte-stream encoding, not pairs of bytes (it does encode
+-- some letters > 1 byte, but base case is 1)
+for i = 0, 255 do
+	local c = string_char(i)
+	if c:match('[%z\1-\031\128-\255]') and not normalEncodingMap[c] then
+		-- WARN: UTF8 specializes values >= 0x80 as parts of sequences...
+		--       without \x encoding, do not allow encoding > 7F
+		normalEncodingMap[c] = ('\\u%.4X'):format(i)
+		xEncodingMap[c] = ('\\x%.2X'):format(i)
+	end
+end
+
+local defaultOptions = {
+	xEncode = false, -- Encode single-bytes as \xXX
+	processor = nil, -- Simple processor for the string prior to quoting
+	-- / is not required to be quoted but it helps with certain decoding
+	-- Required encoded characters, " \, and 00-1F  (0 - 31)
+	encodeSet = '\\"/%z\1-\031',
+	encodeSetAppend = nil -- Chars to append to the default set
+}
+
+local modeOptions = {}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'strings', defaultOptions, mode and modeOptions[mode])
+end
+
+local function getEncoder(options)
+	options = options and util_merge({}, defaultOptions, options) or defaultOptions
+	local encodeSet = options.encodeSet
+	if options.encodeSetAppend then
+		encodeSet = encodeSet .. options.encodeSetAppend
+	end
+	local encodingMap = options.xEncode and xEncodingMap or normalEncodingMap
+	local encodeString
+	if options.processor then
+		local processor = options.processor
+		encodeString = function(s, state)
+			return '"' .. processor(s:gsub('[' .. encodeSet .. ']', encodingMap)) .. '"'
+		end
+	else
+		encodeString = function(s, state)
+			return '"' .. s:gsub('[' .. encodeSet .. ']', encodingMap) .. '"'
+		end
+	end
+	return {
+		string = encodeString
+	}
+end
+
+local strings = {
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return strings

tools/luajson/json/util.lua

@@ -0,0 +1,152 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local type = type
+local print = print
+local tostring = tostring
+local pairs = pairs
+local getmetatable, setmetatable = getmetatable, setmetatable
+local select = select
+
+local _ENV = nil
+
+local function foreach(tab, func)
+	for k, v in pairs(tab) do
+		func(k,v)
+	end
+end
+local function printValue(tab, name)
+        local parsed = {}
+        local function doPrint(key, value, space)
+                space = space or ''
+                if type(value) == 'table' then
+                        if parsed[value] then
+                                print(space .. key .. '= <' .. parsed[value] .. '>')
+                        else
+                                parsed[value] = key
+                                print(space .. key .. '= {')
+                                space = space .. ' '
+                                foreach(value, function(key, value) doPrint(key, value, space) end)
+                        end
+                else
+					if type(value) == 'string' then
+						value = '[[' .. tostring(value) .. ']]'
+					end
+					print(space .. key .. '=' .. tostring(value))
+                end
+        end
+        doPrint(name, tab)
+end
+
+local function clone(t)
+	local ret = {}
+	for k,v in pairs(t) do
+		ret[k] = v
+	end
+	return ret
+end
+
+local function inner_merge(t, remaining, from, ...)
+	if remaining == 0 then
+		return t
+	end
+	if from then
+		for k,v in pairs(from) do
+			t[k] = v
+		end
+	end
+	return inner_merge(t, remaining - 1, ...)
+end
+
+--[[*
+    Shallow-merges tables in order onto the first table.
+
+    @param t table to merge entries onto
+    @param ... sequence of 0 or more tables to merge onto 't'
+
+    @returns table 't' from input
+]]
+local function merge(t, ...)
+	return inner_merge(t, select('#', ...), ...)
+end
+
+-- Function to insert nulls into the JSON stream
+local function null()
+	return null
+end
+
+-- Marker for 'undefined' values
+local function undefined()
+	return undefined
+end
+
+local ArrayMT = {}
+
+--[[
+	Return's true if the metatable marks it as an array..
+	Or false if it has no array component at all
+	Otherwise nil to get the normal detection component working
+]]
+local function IsArray(value)
+	if type(value) ~= 'table' then return false end
+	local meta = getmetatable(value)
+	local ret = meta == ArrayMT or (meta ~= nil and meta.__is_luajson_array)
+	if not ret then
+		if #value == 0 then return false end
+	else
+		return ret
+	end
+end
+local function InitArray(array)
+	setmetatable(array, ArrayMT)
+	return array
+end
+
+local CallMT = {}
+
+local function isCall(value)
+	return CallMT == getmetatable(value)
+end
+
+local function buildCall(name, ...)
+	local callData = {
+		name = name,
+		parameters = {n = select('#', ...), ...}
+	}
+	return setmetatable(callData, CallMT)
+end
+
+local function decodeCall(callData)
+	if not isCall(callData) then return nil end
+	return callData.name, callData.parameters
+end
+
+local function doOptionMerge(options, nested, name, defaultOptions, modeOptions)
+	if nested then
+		modeOptions = modeOptions and modeOptions[name]
+		defaultOptions = defaultOptions and defaultOptions[name]
+	end
+	options[name] = merge(
+		{},
+		defaultOptions,
+		modeOptions,
+		options[name]
+	)
+end
+
+local json_util = {
+	printValue = printValue,
+	clone = clone,
+	merge = merge,
+	null = null,
+	undefined = undefined,
+	IsArray = IsArray,
+	InitArray = InitArray,
+	isCall = isCall,
+	buildCall = buildCall,
+	decodeCall = decodeCall,
+	doOptionMerge = doOptionMerge
+}
+
+return json_util

tools/luajson/test_json.lua

@@ -0,0 +1,95 @@
+package.path = package.path .. ";lua_scripts/libraries/luajson/?.lua"
+
+local JSON = require"json"
+
+local jsontest = [[{ 1:{"scn_ptz_id":"",
+"scn_ptz_prepos":"Preset 176",
+"scn_ptz_order":1,
+"scn_ptz_duration":"30",
+"scn_ptz_rally_delay":"2"}
+,
+2:{"scn_ptz_id":"","scn_ptz_prepos":"route","scn_ptz_order":2,"scn_ptz_duration":"30","scn_ptz_rally_delay":"2"} }
+]]
+local jsontest2 = [[{
+	"extension":"mpg",
+	"id":1545148451781,
+	"name":"Foule_1280x720p.mpg",
+	"size":67240746,
+	"date":1545148451,
+	"mime":"video\/mpeg",
+	"filename":"1545148451781.mpg",
+	"dir":"\/home\/pixalarm_data\/fileprocessor_data",
+	"function_metadatas":
+	{
+		"function_faceblur":
+		{
+		   "date":1545228627,
+		   "current_frame":"845",
+		   "polygons":[
+			{
+				"polygon_id":"new_1",
+				"polygon_vertex":"[
+				   [0.14254859611231102,0.12476007677543186],[0.13174946004319654,0.4740882917466411],
+				   [0.3898488120950324,0.6621880998080614],[0.4038876889848812,0.11516314779270634]
+				]",
+				"polygon_frame_start":"1",
+				"polygon_frame_stop":"300",
+                                "polygon_type":"full_blur"
+			},
+			{
+				"polygon_id":"new_2",
+				"polygon_vertex":"[
+				   [0.6198704103671706,0.1727447216890595],[0.5496760259179265,0.6007677543186181],
+				   [0.7775377969762419,0.7946257197696737],[0.9028077753779697,0.761996161228407],
+				   [0.9481641468682506,0.2821497120921305],[0.7829373650107991,0.04798464491362764]
+				]",
+				"polygon_frame_start":"200",
+				"polygon_frame_stop":"845",
+                                "polygon_type":"no_blur"
+			}
+                   ],
+		   "framecuts":[
+		      ["17","110"],
+		      ["248","298"],
+		      ["488","620"],
+		      ["378","428"]
+		   ],
+                   "face_selection":[
+                       {
+                         "frame":"21",
+                          "x":"0.5",
+                          "y":"0.356"
+                       },
+                       {
+                          "frame":"108",
+                          "x":"0.4289",
+                          "y":"0.275"
+                       },
+                       {
+                          "frame":"294",
+                          "x":"0.726",
+                           "y":"0.2364"
+                       }
+                    ],
+		    "blur_type":"blur",
+		    "blur_area":"face"
+		}
+	},
+	"total_frame":"845",
+	"status":"DECODE_FINISHED",
+	"fps":"25.00"
+}]]
+
+local res = JSON.decode(jsontest2)
+for k, v in pairs(res) do
+  print( k, v)
+end
+
+res = JSON.decode( '{"content" : {},"date" : "2014-12-30T08:29:48Z","error" : {"code" : 0,"httpcode" : 200,"message" : ""},"status" : 1}' )
+for k, v in pairs(res) do
+  print( k, v)
+end
+
+local jsondata = JSON.encode( res )
+print(jsondata)
+