From f3c6fdaa3b71747779edb3a8a2a87072a15a761c Mon Sep 17 00:00:00 2001 From: TheAIBot Date: Tue, 23 Aug 2016 22:51:54 +0200 Subject: [PATCH] added json parser for importMany --- clusterio_0.0.2/control.lua | 10 +- clusterio_0.0.2/json.lua | 851 ++++++++++++++++++++++++++++++++++++ 2 files changed, 858 insertions(+), 3 deletions(-) create mode 100644 clusterio_0.0.2/json.lua diff --git a/clusterio_0.0.2/control.lua b/clusterio_0.0.2/control.lua index 994ccf7a..2536cd55 100644 --- a/clusterio_0.0.2/control.lua +++ b/clusterio_0.0.2/control.lua @@ -1,4 +1,5 @@ require("config") +local json = require("json") function HashPosition(position) return 40000 * (position.y) + position.x @@ -256,9 +257,12 @@ remote.add_interface("clusterio", import = function(itemName, itemCount) GiveItemsToStorage(itemName, itemCount) end, - importMany = function(items) - for itemName, itemCount in pairs(items) do - GiveItemsToStorage(itemName, itemCount) + importMany = function(jsonString) + local items = json:decode(jsonString) + for k, item in pairs(items) do + for itemName, itemCount in pairs(item) do + GiveItemsToStorage(itemName, itemCount) + end end end }) diff --git a/clusterio_0.0.2/json.lua b/clusterio_0.0.2/json.lua new file mode 100644 index 00000000..cf98a19e --- /dev/null +++ b/clusterio_0.0.2/json.lua @@ -0,0 +1,851 @@ +-- Simple JSON encoding and decoding in pure Lua. +-- +-- Copyright 2010-2016 Jeffrey Friedl +-- http://regex.info/blog/ +-- Latest version: http://regex.info/blog/lua/json +-- +-- This code is released under a Creative Commons CC-BY "Attribution" License: +-- http://creativecommons.org/licenses/by/3.0/deed.en_US +-- +-- It can be used for any purpose so long as the copyright notice above, +-- the web-page links above, and the 'AUTHOR_NOTE' string below are +-- maintained. Enjoy. +-- +local VERSION = 20160728.17 -- version history at end of file +local AUTHOR_NOTE = "-[ JSON.lua package by Jeffrey Friedl (http://regex.info/blog/lua/json) version 20160728.17 ]-" + +-- +-- The 'AUTHOR_NOTE' variable exists so that information about the source +-- of the package is maintained even in compiled versions. It's also +-- included in OBJDEF below mostly to quiet warnings about unused variables. +-- +local OBJDEF = { + VERSION = VERSION, + AUTHOR_NOTE = AUTHOR_NOTE, +} + +local default_pretty_indent = " " +local default_pretty_options = { pretty = true, align_keys = false, indent = default_pretty_indent } + +local isArray = { __tostring = function() return "JSON array" end } isArray.__index = isArray +local isObject = { __tostring = function() return "JSON object" end } isObject.__index = isObject + +function OBJDEF:newArray(tbl) + return setmetatable(tbl or {}, isArray) +end + +function OBJDEF:newObject(tbl) + return setmetatable(tbl or {}, isObject) +end + + + + +local function getnum(op) + return type(op) == 'number' and op or op.N +end + +local isNumber = { + __index = isNumber, + + __tostring = function(T) return T.S end, + __unm = function(op) return getnum(op) end, + + __concat = function(op1, op2) return tostring(op1) .. tostring(op2) end, + __add = function(op1, op2) return getnum(op1) + getnum(op2) end, + __sub = function(op1, op2) return getnum(op1) - getnum(op2) end, + __mul = function(op1, op2) return getnum(op1) * getnum(op2) end, + __div = function(op1, op2) return getnum(op1) / getnum(op2) end, + __mod = function(op1, op2) return getnum(op1) % getnum(op2) end, + __pow = function(op1, op2) return getnum(op1) ^ getnum(op2) end, + __lt = function(op1, op2) return getnum(op1) < getnum(op2) end, + __eq = function(op1, op2) return getnum(op1) == getnum(op2) end, + __le = function(op1, op2) return getnum(op1) <= getnum(op2) end, +} + +function OBJDEF:asNumber(item) + + if getmetatable(item) == isNumber then + -- it's already a JSON number object. + return item + elseif type(item) == 'table' and type(item.S) == 'string' and type(item.N) == 'number' then + -- it's a number-object table that lost its metatable, so give it one + return setmetatable(item, isNumber) + else + -- the normal situation... given a number or a string representation of a number.... + local holder = { + S = tostring(item), -- S is the representation of the number as a string, which remains precise + N = tonumber(item), -- N is the number as a Lua number. + } + return setmetatable(holder, isNumber) + end +end + +local function unicode_codepoint_as_utf8(codepoint) + -- + -- codepoint is a number + -- + if codepoint <= 127 then + return string.char(codepoint) + + elseif codepoint <= 2047 then + -- + -- 110yyyxx 10xxxxxx <-- useful notation from http://en.wikipedia.org/wiki/Utf8 + -- + local highpart = math.floor(codepoint / 0x40) + local lowpart = codepoint - (0x40 * highpart) + return string.char(0xC0 + highpart, + 0x80 + lowpart) + + elseif codepoint <= 65535 then + -- + -- 1110yyyy 10yyyyxx 10xxxxxx + -- + local highpart = math.floor(codepoint / 0x1000) + local remainder = codepoint - 0x1000 * highpart + local midpart = math.floor(remainder / 0x40) + local lowpart = remainder - 0x40 * midpart + + highpart = 0xE0 + highpart + midpart = 0x80 + midpart + lowpart = 0x80 + lowpart + + -- + -- Check for an invalid character (thanks Andy R. at Adobe). + -- See table 3.7, page 93, in http://www.unicode.org/versions/Unicode5.2.0/ch03.pdf#G28070 + -- + if ( highpart == 0xE0 and midpart < 0xA0 ) or + ( highpart == 0xED and midpart > 0x9F ) or + ( highpart == 0xF0 and midpart < 0x90 ) or + ( highpart == 0xF4 and midpart > 0x8F ) + then + return "?" + else + return string.char(highpart, + midpart, + lowpart) + end + + else + -- + -- 11110zzz 10zzyyyy 10yyyyxx 10xxxxxx + -- + local highpart = math.floor(codepoint / 0x40000) + local remainder = codepoint - 0x40000 * highpart + local midA = math.floor(remainder / 0x1000) + remainder = remainder - 0x1000 * midA + local midB = math.floor(remainder / 0x40) + local lowpart = remainder - 0x40 * midB + + return string.char(0xF0 + highpart, + 0x80 + midA, + 0x80 + midB, + 0x80 + lowpart) + end +end + +function OBJDEF:onDecodeError(message, text, location, etc) + if text then + if location then + message = string.format("%s at char %d of: %s", message, location, text) + else + message = string.format("%s: %s", message, text) + end + end + + if etc ~= nil then + message = message .. " (" .. OBJDEF:encode(etc) .. ")" + end + + if self.assert then + self.assert(false, message) + else + assert(false, message) + end +end + +OBJDEF.onDecodeOfNilError = OBJDEF.onDecodeError +OBJDEF.onDecodeOfHTMLError = OBJDEF.onDecodeError + +function OBJDEF:onEncodeError(message, etc) + if etc ~= nil then + message = message .. " (" .. OBJDEF:encode(etc) .. ")" + end + + if self.assert then + self.assert(false, message) + else + assert(false, message) + end +end + +local function grok_number(self, text, start, options) + -- + -- Grab the integer part + -- + local integer_part = text:match('^-?[1-9]%d*', start) + or text:match("^-?0", start) + + if not integer_part then + self:onDecodeError("expected number", text, start, options.etc) + end + + local i = start + integer_part:len() + + -- + -- Grab an optional decimal part + -- + local decimal_part = text:match('^%.%d+', i) or "" + + i = i + decimal_part:len() + + -- + -- Grab an optional exponential part + -- + local exponent_part = text:match('^[eE][-+]?%d+', i) or "" + + i = i + exponent_part:len() + + local full_number_text = integer_part .. decimal_part .. exponent_part + + if options.decodeNumbersAsObjects then + return OBJDEF:asNumber(full_number_text), i + end + + -- + -- If we're told to stringify under certain conditions, so do. + -- We punt a bit when there's an exponent by just stringifying no matter what. + -- I suppose we should really look to see whether the exponent is actually big enough one + -- way or the other to trip stringification, but I'll be lazy about it until someone asks. + -- + if (options.decodeIntegerStringificationLength + and + (integer_part:len() >= options.decodeIntegerStringificationLength or exponent_part:len() > 0)) + + or + + (options.decodeDecimalStringificationLength + and + (decimal_part:len() >= options.decodeDecimalStringificationLength or exponent_part:len() > 0)) + then + return full_number_text, i -- this returns the exact string representation seen in the original JSON + end + + + + local as_number = tonumber(full_number_text) + + if not as_number then + self:onDecodeError("bad number", text, start, options.etc) + end + + return as_number, i +end + + +local function grok_string(self, text, start, options) + + if text:sub(start,start) ~= '"' then + self:onDecodeError("expected string's opening quote", text, start, options.etc) + end + + local i = start + 1 -- +1 to bypass the initial quote + local text_len = text:len() + local VALUE = "" + while i <= text_len do + local c = text:sub(i,i) + if c == '"' then + return VALUE, i + 1 + end + if c ~= '\\' then + VALUE = VALUE .. c + i = i + 1 + elseif text:match('^\\b', i) then + VALUE = VALUE .. "\b" + i = i + 2 + elseif text:match('^\\f', i) then + VALUE = VALUE .. "\f" + i = i + 2 + elseif text:match('^\\n', i) then + VALUE = VALUE .. "\n" + i = i + 2 + elseif text:match('^\\r', i) then + VALUE = VALUE .. "\r" + i = i + 2 + elseif text:match('^\\t', i) then + VALUE = VALUE .. "\t" + i = i + 2 + else + local hex = text:match('^\\u([0123456789aAbBcCdDeEfF][0123456789aAbBcCdDeEfF][0123456789aAbBcCdDeEfF][0123456789aAbBcCdDeEfF])', i) + if hex then + i = i + 6 -- bypass what we just read + + -- We have a Unicode codepoint. It could be standalone, or if in the proper range and + -- followed by another in a specific range, it'll be a two-code surrogate pair. + local codepoint = tonumber(hex, 16) + if codepoint >= 0xD800 and codepoint <= 0xDBFF then + -- it's a hi surrogate... see whether we have a following low + local lo_surrogate = text:match('^\\u([dD][cdefCDEF][0123456789aAbBcCdDeEfF][0123456789aAbBcCdDeEfF])', i) + if lo_surrogate then + i = i + 6 -- bypass the low surrogate we just read + codepoint = 0x2400 + (codepoint - 0xD800) * 0x400 + tonumber(lo_surrogate, 16) + else + -- not a proper low, so we'll just leave the first codepoint as is and spit it out. + end + end + VALUE = VALUE .. unicode_codepoint_as_utf8(codepoint) + + else + + -- just pass through what's escaped + VALUE = VALUE .. text:match('^\\(.)', i) + i = i + 2 + end + end + end + + self:onDecodeError("unclosed string", text, start, options.etc) +end + +local function skip_whitespace(text, start) + + local _, match_end = text:find("^[ \n\r\t]+", start) -- [http://www.ietf.org/rfc/rfc4627.txt] Section 2 + if match_end then + return match_end + 1 + else + return start + end +end + +local grok_one -- assigned later + +local function grok_object(self, text, start, options) + + if text:sub(start,start) ~= '{' then + self:onDecodeError("expected '{'", text, start, options.etc) + end + + local i = skip_whitespace(text, start + 1) -- +1 to skip the '{' + + local VALUE = self.strictTypes and self:newObject { } or { } + + if text:sub(i,i) == '}' then + return VALUE, i + 1 + end + local text_len = text:len() + while i <= text_len do + local key, new_i = grok_string(self, text, i, options) + + i = skip_whitespace(text, new_i) + + if text:sub(i, i) ~= ':' then + self:onDecodeError("expected colon", text, i, options.etc) + end + + i = skip_whitespace(text, i + 1) + + local new_val, new_i = grok_one(self, text, i, options) + + VALUE[key] = new_val + + -- + -- Expect now either '}' to end things, or a ',' to allow us to continue. + -- + i = skip_whitespace(text, new_i) + + local c = text:sub(i,i) + + if c == '}' then + return VALUE, i + 1 + end + + if text:sub(i, i) ~= ',' then + self:onDecodeError("expected comma or '}'", text, i, options.etc) + end + + i = skip_whitespace(text, i + 1) + end + + self:onDecodeError("unclosed '{'", text, start, options.etc) +end + +local function grok_array(self, text, start, options) + if text:sub(start,start) ~= '[' then + self:onDecodeError("expected '['", text, start, options.etc) + end + + local i = skip_whitespace(text, start + 1) -- +1 to skip the '[' + local VALUE = self.strictTypes and self:newArray { } or { } + if text:sub(i,i) == ']' then + return VALUE, i + 1 + end + + local VALUE_INDEX = 1 + + local text_len = text:len() + while i <= text_len do + local val, new_i = grok_one(self, text, i, options) + + -- can't table.insert(VALUE, val) here because it's a no-op if val is nil + VALUE[VALUE_INDEX] = val + VALUE_INDEX = VALUE_INDEX + 1 + + i = skip_whitespace(text, new_i) + + -- + -- Expect now either ']' to end things, or a ',' to allow us to continue. + -- + local c = text:sub(i,i) + if c == ']' then + return VALUE, i + 1 + end + if text:sub(i, i) ~= ',' then + self:onDecodeError("expected comma or '['", text, i, options.etc) + end + i = skip_whitespace(text, i + 1) + end + self:onDecodeError("unclosed '['", text, start, options.etc) +end + + +grok_one = function(self, text, start, options) + -- Skip any whitespace + start = skip_whitespace(text, start) + + if start > text:len() then + self:onDecodeError("unexpected end of string", text, nil, options.etc) + end + + if text:find('^"', start) then + return grok_string(self, text, start, options.etc) + + elseif text:find('^[-0123456789 ]', start) then + return grok_number(self, text, start, options) + + elseif text:find('^%{', start) then + return grok_object(self, text, start, options) + + elseif text:find('^%[', start) then + return grok_array(self, text, start, options) + + elseif text:find('^true', start) then + return true, start + 4 + + elseif text:find('^false', start) then + return false, start + 5 + + elseif text:find('^null', start) then + return nil, start + 4 + + else + self:onDecodeError("can't parse JSON", text, start, options.etc) + end +end + +function OBJDEF:decode(text, etc, options) + -- + -- If the user didn't pass in a table of decode options, make an empty one. + -- + if type(options) ~= 'table' then + options = {} + end + + -- + -- If they passed in an 'etc' argument, stuff it into the options. + -- (If not, any 'etc' field in the options they passed in remains to be used) + -- + if etc ~= nil then + options.etc = etc + end + + + if type(self) ~= 'table' or self.__index ~= OBJDEF then + OBJDEF:onDecodeError("JSON:decode must be called in method format", nil, nil, options.etc) + end + + if text == nil then + self:onDecodeOfNilError(string.format("nil passed to JSON:decode()"), nil, nil, options.etc) + elseif type(text) ~= 'string' then + self:onDecodeError(string.format("expected string argument to JSON:decode(), got %s", type(text)), nil, nil, options.etc) + end + + if text:match('^%s*$') then + return nil + end + + if text:match('^%s*<') then + -- Can't be JSON... we'll assume it's HTML + self:onDecodeOfHTMLError(string.format("html passed to JSON:decode()"), text, nil, options.etc) + end + + -- + -- Ensure that it's not UTF-32 or UTF-16. + -- Those are perfectly valid encodings for JSON (as per RFC 4627 section 3), + -- but this package can't handle them. + -- + if text:sub(1,1):byte() == 0 or (text:len() >= 2 and text:sub(2,2):byte() == 0) then + self:onDecodeError("JSON package groks only UTF-8, sorry", text, nil, options.etc) + end + + -- + -- apply global options + -- + if options.decodeNumbersAsObjects == nil then + options.decodeNumbersAsObjects = self.decodeNumbersAsObjects + end + if options.decodeIntegerStringificationLength == nil then + options.decodeIntegerStringificationLength = self.decodeIntegerStringificationLength + end + if options.decodeDecimalStringificationLength == nil then + options.decodeDecimalStringificationLength = self.decodeDecimalStringificationLength + end + + local success, value = pcall(grok_one, self, text, 1, options) + + if success then + return value + else + -- if JSON:onDecodeError() didn't abort out of the pcall, we'll have received the error message here as "value", so pass it along as an assert. + if self.assert then + self.assert(false, value) + else + assert(false, value) + end + -- and if we're still here, return a nil and throw the error message on as a second arg + return nil, value + end +end + +local function backslash_replacement_function(c) + if c == "\n" then + return "\\n" + elseif c == "\r" then + return "\\r" + elseif c == "\t" then + return "\\t" + elseif c == "\b" then + return "\\b" + elseif c == "\f" then + return "\\f" + elseif c == '"' then + return '\\"' + elseif c == '\\' then + return '\\\\' + else + return string.format("\\u%04x", c:byte()) + end +end + +local chars_to_be_escaped_in_JSON_string + = '[' + .. '"' -- class sub-pattern to match a double quote + .. '%\\' -- class sub-pattern to match a backslash + .. '%z' -- class sub-pattern to match a null + .. '\001' .. '-' .. '\031' -- class sub-pattern to match control characters + .. ']' + + +local LINE_SEPARATOR_as_utf8 = unicode_codepoint_as_utf8(0x2028) +local PARAGRAPH_SEPARATOR_as_utf8 = unicode_codepoint_as_utf8(0x2029) +local function json_string_literal(value, options) + local newval = value:gsub(chars_to_be_escaped_in_JSON_string, backslash_replacement_function) + if options.stringsAreUtf8 then + -- + -- This feels really ugly to just look into a string for the sequence of bytes that we know to be a particular utf8 character, + -- but utf8 was designed purposefully to make this kind of thing possible. Still, feels dirty. + -- I'd rather decode the byte stream into a character stream, but it's not technically needed so + -- not technically worth it. + -- + newval = newval:gsub(LINE_SEPARATOR_as_utf8, '\\u2028'):gsub(PARAGRAPH_SEPARATOR_as_utf8,'\\u2029') + end + return '"' .. newval .. '"' +end + +local function object_or_array(self, T, etc) + -- + -- We need to inspect all the keys... if there are any strings, we'll convert to a JSON + -- object. If there are only numbers, it's a JSON array. + -- + -- If we'll be converting to a JSON object, we'll want to sort the keys so that the + -- end result is deterministic. + -- + local string_keys = { } + local number_keys = { } + local number_keys_must_be_strings = false + local maximum_number_key + + for key in pairs(T) do + if type(key) == 'string' then + table.insert(string_keys, key) + elseif type(key) == 'number' then + table.insert(number_keys, key) + if key <= 0 or key >= math.huge then + number_keys_must_be_strings = true + elseif not maximum_number_key or key > maximum_number_key then + maximum_number_key = key + end + else + self:onEncodeError("can't encode table with a key of type " .. type(key), etc) + end + end + + if #string_keys == 0 and not number_keys_must_be_strings then + -- + -- An empty table, or a numeric-only array + -- + if #number_keys > 0 then + return nil, maximum_number_key -- an array + elseif tostring(T) == "JSON array" then + return nil + elseif tostring(T) == "JSON object" then + return { } + else + -- have to guess, so we'll pick array, since empty arrays are likely more common than empty objects + return nil + end + end + + table.sort(string_keys) + + local map + if #number_keys > 0 then + -- + -- If we're here then we have either mixed string/number keys, or numbers inappropriate for a JSON array + -- It's not ideal, but we'll turn the numbers into strings so that we can at least create a JSON object. + -- + + if self.noKeyConversion then + self:onEncodeError("a table with both numeric and string keys could be an object or array; aborting", etc) + end + + -- + -- Have to make a shallow copy of the source table so we can remap the numeric keys to be strings + -- + map = { } + for key, val in pairs(T) do + map[key] = val + end + + table.sort(number_keys) + + -- + -- Throw numeric keys in there as strings + -- + for _, number_key in ipairs(number_keys) do + local string_key = tostring(number_key) + if map[string_key] == nil then + table.insert(string_keys , string_key) + map[string_key] = T[number_key] + else + self:onEncodeError("conflict converting table with mixed-type keys into a JSON object: key " .. number_key .. " exists both as a string and a number.", etc) + end + end + end + + return string_keys, nil, map +end + +-- +-- Encode +-- +-- 'options' is nil, or a table with possible keys: +-- +-- pretty -- If true, return a pretty-printed version. +-- +-- indent -- A string (usually of spaces) used to indent each nested level. +-- +-- align_keys -- If true, align all the keys when formatting a table. +-- +-- null -- If this exists with a string value, table elements with this value are output as JSON null. +-- +-- stringsAreUtf8 -- If true, consider Lua strings not as a sequence of bytes, but as a sequence of UTF-8 characters. +-- (Currently, the only practical effect of setting this option is that Unicode LINE and PARAGRAPH +-- separators, if found in a string, are encoded with a JSON escape instead of as raw UTF-8. +-- The JSON is valid either way, but encoding this way, apparently, allows the resulting JSON +-- to also be valid Java.) +-- +-- +local encode_value -- must predeclare because it calls itself +function encode_value(self, value, parents, etc, options, indent, for_key) + + -- + -- keys in a JSON object can never be null, so we don't even consider options.null when converting a key value + -- + if value == nil or (not for_key and options and options.null and value == options.null) then + return 'null' + + elseif type(value) == 'string' then + return json_string_literal(value, options) + + elseif type(value) == 'number' then + if value ~= value then + -- + -- NaN (Not a Number). + -- JSON has no NaN, so we have to fudge the best we can. This should really be a package option. + -- + return "null" + elseif value >= math.huge then + -- + -- Positive infinity. JSON has no INF, so we have to fudge the best we can. This should + -- really be a package option. Note: at least with some implementations, positive infinity + -- is both ">= math.huge" and "<= -math.huge", which makes no sense but that's how it is. + -- Negative infinity is properly "<= -math.huge". So, we must be sure to check the ">=" + -- case first. + -- + return "1e+9999" + elseif value <= -math.huge then + -- + -- Negative infinity. + -- JSON has no INF, so we have to fudge the best we can. This should really be a package option. + -- + return "-1e+9999" + else + return tostring(value) + end + + elseif type(value) == 'boolean' then + return tostring(value) + + elseif type(value) ~= 'table' then + self:onEncodeError("can't convert " .. type(value) .. " to JSON", etc) + + elseif getmetatable(value) == isNumber then + return tostring(value) + else + -- + -- A table to be converted to either a JSON object or array. + -- + local T = value + + if type(options) ~= 'table' then + options = {} + end + if type(indent) ~= 'string' then + indent = "" + end + + if parents[T] then + self:onEncodeError("table " .. tostring(T) .. " is a child of itself", etc) + else + parents[T] = true + end + + local result_value + + local object_keys, maximum_number_key, map = object_or_array(self, T, etc) + if maximum_number_key then + -- + -- An array... + -- + local ITEMS = { } + for i = 1, maximum_number_key do + table.insert(ITEMS, encode_value(self, T[i], parents, etc, options, indent)) + end + + if options.pretty then + result_value = "[ " .. table.concat(ITEMS, ", ") .. " ]" + else + result_value = "[" .. table.concat(ITEMS, ",") .. "]" + end + + elseif object_keys then + -- + -- An object + -- + local TT = map or T + + if options.pretty then + + local KEYS = { } + local max_key_length = 0 + for _, key in ipairs(object_keys) do + local encoded = encode_value(self, tostring(key), parents, etc, options, indent, true) + if options.align_keys then + max_key_length = math.max(max_key_length, #encoded) + end + table.insert(KEYS, encoded) + end + local key_indent = indent .. tostring(options.indent or "") + local subtable_indent = key_indent .. string.rep(" ", max_key_length) .. (options.align_keys and " " or "") + local FORMAT = "%s%" .. string.format("%d", max_key_length) .. "s: %s" + + local COMBINED_PARTS = { } + for i, key in ipairs(object_keys) do + local encoded_val = encode_value(self, TT[key], parents, etc, options, subtable_indent) + table.insert(COMBINED_PARTS, string.format(FORMAT, key_indent, KEYS[i], encoded_val)) + end + result_value = "{\n" .. table.concat(COMBINED_PARTS, ",\n") .. "\n" .. indent .. "}" + + else + + local PARTS = { } + for _, key in ipairs(object_keys) do + local encoded_val = encode_value(self, TT[key], parents, etc, options, indent) + local encoded_key = encode_value(self, tostring(key), parents, etc, options, indent, true) + table.insert(PARTS, string.format("%s:%s", encoded_key, encoded_val)) + end + result_value = "{" .. table.concat(PARTS, ",") .. "}" + + end + else + -- + -- An empty array/object... we'll treat it as an array, though it should really be an option + -- + result_value = "[]" + end + + parents[T] = false + return result_value + end +end + + +function OBJDEF:encode(value, etc, options) + if type(self) ~= 'table' or self.__index ~= OBJDEF then + OBJDEF:onEncodeError("JSON:encode must be called in method format", etc) + end + + -- + -- If the user didn't pass in a table of decode options, make an empty one. + -- + if type(options) ~= 'table' then + options = {} + end + + return encode_value(self, value, {}, etc, options) +end + +function OBJDEF:encode_pretty(value, etc, options) + if type(self) ~= 'table' or self.__index ~= OBJDEF then + OBJDEF:onEncodeError("JSON:encode_pretty must be called in method format", etc) + end + + -- + -- If the user didn't pass in a table of decode options, use the default pretty ones + -- + if type(options) ~= 'table' then + options = default_pretty_options + end + + return encode_value(self, value, {}, etc, options) +end + +function OBJDEF.__tostring() + return "JSON encode/decode package" +end + +OBJDEF.__index = OBJDEF + +function OBJDEF:new(args) + local new = { } + + if args then + for key, val in pairs(args) do + new[key] = val + end + end + + return setmetatable(new, OBJDEF) +end + +return OBJDEF:new() \ No newline at end of file