Update talents + beasts

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