libs: add needed libs
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047b63708a
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4 changed files with 1591 additions and 0 deletions
687
libs/binser.lua
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687
libs/binser.lua
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-- binser.lua
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--[[
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Copyright (c) 2016 Calvin Rose
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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]]
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local assert = assert
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local error = error
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local select = select
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local pairs = pairs
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local getmetatable = getmetatable
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local setmetatable = setmetatable
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local tonumber = tonumber
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local type = type
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local loadstring = loadstring or load
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local concat = table.concat
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local char = string.char
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local byte = string.byte
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local format = string.format
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local sub = string.sub
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local dump = string.dump
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local floor = math.floor
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local frexp = math.frexp
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local unpack = unpack or table.unpack
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-- Lua 5.3 frexp polyfill
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-- From https://github.com/excessive/cpml/blob/master/modules/utils.lua
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if not frexp then
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local log, abs, floor = math.log, math.abs, math.floor
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local log2 = log(2)
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frexp = function(x)
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if x == 0 then return 0, 0 end
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local e = floor(log(abs(x)) / log2 + 1)
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return x / 2 ^ e, e
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end
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end
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-- NIL = 202
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-- FLOAT = 203
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-- TRUE = 204
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-- FALSE = 205
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-- STRING = 206
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-- TABLE = 207
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-- REFERENCE = 208
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-- CONSTRUCTOR = 209
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-- FUNCTION = 210
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-- RESOURCE = 211
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-- INT64 = 212
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local mts = {}
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local ids = {}
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local serializers = {}
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local deserializers = {}
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local resources = {}
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local resources_by_name = {}
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local function pack(...)
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return {...}, select("#", ...)
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end
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local function not_array_index(x, len)
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return type(x) ~= "number" or x < 1 or x > len or x ~= floor(x)
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end
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local function type_check(x, tp, name)
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assert(type(x) == tp,
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format("Expected parameter %q to be of type %q.", name, tp))
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end
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local bigIntSupport = false
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local isInteger
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if math.type then -- Detect Lua 5.3
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local mtype = math.type
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bigIntSupport = loadstring[[
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local char = string.char
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return function(n)
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local nn = n < 0 and -(n + 1) or n
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local b1 = nn // 0x100000000000000
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local b2 = nn // 0x1000000000000 % 0x100
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local b3 = nn // 0x10000000000 % 0x100
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local b4 = nn // 0x100000000 % 0x100
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local b5 = nn // 0x1000000 % 0x100
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local b6 = nn // 0x10000 % 0x100
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local b7 = nn // 0x100 % 0x100
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local b8 = nn % 0x100
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if n < 0 then
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b1, b2, b3, b4 = 0xFF - b1, 0xFF - b2, 0xFF - b3, 0xFF - b4
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b5, b6, b7, b8 = 0xFF - b5, 0xFF - b6, 0xFF - b7, 0xFF - b8
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end
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return char(212, b1, b2, b3, b4, b5, b6, b7, b8)
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end]]()
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isInteger = function(x)
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return mtype(x) == 'integer'
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end
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else
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isInteger = function(x)
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return floor(x) == x
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end
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end
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-- Copyright (C) 2012-2015 Francois Perrad.
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-- number serialization code modified from https://github.com/fperrad/lua-MessagePack
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-- Encode a number as a big-endian ieee-754 double, big-endian signed 64 bit integer, or a small integer
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local function number_to_str(n)
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if isInteger(n) then -- int
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if n <= 100 and n >= -27 then -- 1 byte, 7 bits of data
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return char(n + 27)
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elseif n <= 8191 and n >= -8192 then -- 2 bytes, 14 bits of data
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n = n + 8192
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return char(128 + (floor(n / 0x100) % 0x100), n % 0x100)
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elseif bigIntSupport then
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return bigIntSupport(n)
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end
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end
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local sign = 0
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if n < 0.0 then
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sign = 0x80
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n = -n
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end
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local m, e = frexp(n) -- mantissa, exponent
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if m ~= m then
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return char(203, 0xFF, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
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elseif m == 1/0 then
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if sign == 0 then
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return char(203, 0x7F, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
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else
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return char(203, 0xFF, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
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end
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end
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e = e + 0x3FE
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if e < 1 then -- denormalized numbers
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m = m * 2 ^ (52 + e)
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e = 0
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else
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m = (m * 2 - 1) * 2 ^ 52
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end
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return char(203,
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sign + floor(e / 0x10),
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(e % 0x10) * 0x10 + floor(m / 0x1000000000000),
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floor(m / 0x10000000000) % 0x100,
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floor(m / 0x100000000) % 0x100,
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floor(m / 0x1000000) % 0x100,
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floor(m / 0x10000) % 0x100,
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floor(m / 0x100) % 0x100,
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m % 0x100)
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end
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-- Copyright (C) 2012-2015 Francois Perrad.
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-- number deserialization code also modified from https://github.com/fperrad/lua-MessagePack
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local function number_from_str(str, index)
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local b = byte(str, index)
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if b < 128 then
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return b - 27, index + 1
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elseif b < 192 then
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return byte(str, index + 1) + 0x100 * (b - 128) - 8192, index + 2
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end
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local b1, b2, b3, b4, b5, b6, b7, b8 = byte(str, index + 1, index + 8)
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if b == 212 then
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local flip = b1 >= 128
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if flip then -- negative
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b1, b2, b3, b4 = 0xFF - b1, 0xFF - b2, 0xFF - b3, 0xFF - b4
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b5, b6, b7, b8 = 0xFF - b5, 0xFF - b6, 0xFF - b7, 0xFF - b8
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end
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local n = ((((((b1 * 0x100 + b2) * 0x100 + b3) * 0x100 + b4) * 0x100 + b5) * 0x100 + b6) * 0x100 + b7) * 0x100 + b8
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if flip then
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return (-n) - 1, index + 9
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else
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return n, index + 9
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end
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end
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local sign = b1 > 0x7F and -1 or 1
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local e = (b1 % 0x80) * 0x10 + floor(b2 / 0x10)
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local m = ((((((b2 % 0x10) * 0x100 + b3) * 0x100 + b4) * 0x100 + b5) * 0x100 + b6) * 0x100 + b7) * 0x100 + b8
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local n
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if e == 0 then
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if m == 0 then
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n = sign * 0.0
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else
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n = sign * (m / 2 ^ 52) * 2 ^ -1022
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end
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elseif e == 0x7FF then
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if m == 0 then
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n = sign * (1/0)
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else
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n = 0.0/0.0
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end
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else
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n = sign * (1.0 + m / 2 ^ 52) * 2 ^ (e - 0x3FF)
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end
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return n, index + 9
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end
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local types = {}
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types["nil"] = function(x, visited, accum)
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accum[#accum + 1] = "\202"
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end
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function types.number(x, visited, accum)
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accum[#accum + 1] = number_to_str(x)
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end
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function types.boolean(x, visited, accum)
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accum[#accum + 1] = x and "\204" or "\205"
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end
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function types.string(x, visited, accum)
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local alen = #accum
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if visited[x] then
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accum[alen + 1] = "\208"
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accum[alen + 2] = number_to_str(visited[x])
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else
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visited[x] = visited.next
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visited.next = visited.next + 1
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accum[alen + 1] = "\206"
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accum[alen + 2] = number_to_str(#x)
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accum[alen + 3] = x
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end
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end
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local function check_custom_type(x, visited, accum)
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local res = resources[x]
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if res then
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accum[#accum + 1] = "\211"
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types[type(res)](res, visited, accum)
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return true
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end
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local mt = getmetatable(x)
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local id = mt and ids[mt]
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if id then
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if x == visited.temp then
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error("Infinite loop in constructor.")
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end
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visited.temp = x
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accum[#accum + 1] = "\209"
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types[type(id)](id, visited, accum)
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local args, len = pack(serializers[id](x))
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accum[#accum + 1] = number_to_str(len)
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for i = 1, len do
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local arg = args[i]
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types[type(arg)](arg, visited, accum)
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end
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visited[x] = visited.next
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visited.next = visited.next + 1
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return true
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end
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end
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function types.userdata(x, visited, accum)
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if visited[x] then
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accum[#accum + 1] = "\208"
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accum[#accum + 1] = number_to_str(visited[x])
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else
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if check_custom_type(x, visited, accum) then return end
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error("Cannot serialize this userdata.")
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end
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end
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function types.table(x, visited, accum)
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if visited[x] then
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accum[#accum + 1] = "\208"
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accum[#accum + 1] = number_to_str(visited[x])
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else
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if check_custom_type(x, visited, accum) then return end
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visited[x] = visited.next
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visited.next = visited.next + 1
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local xlen = #x
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accum[#accum + 1] = "\207"
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accum[#accum + 1] = number_to_str(xlen)
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for i = 1, xlen do
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local v = x[i]
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types[type(v)](v, visited, accum)
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end
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local key_count = 0
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for k in pairs(x) do
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if not_array_index(k, xlen) then
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key_count = key_count + 1
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end
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end
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accum[#accum + 1] = number_to_str(key_count)
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for k, v in pairs(x) do
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if not_array_index(k, xlen) then
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types[type(k)](k, visited, accum)
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types[type(v)](v, visited, accum)
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end
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end
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end
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end
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types["function"] = function(x, visited, accum)
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if visited[x] then
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accum[#accum + 1] = "\208"
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accum[#accum + 1] = number_to_str(visited[x])
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else
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if check_custom_type(x, visited, accum) then return end
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visited[x] = visited.next
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visited.next = visited.next + 1
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local str = dump(x)
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accum[#accum + 1] = "\210"
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accum[#accum + 1] = number_to_str(#str)
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accum[#accum + 1] = str
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end
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end
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types.cdata = function(x, visited, accum)
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if visited[x] then
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accum[#accum + 1] = "\208"
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accum[#accum + 1] = number_to_str(visited[x])
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else
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if check_custom_type(x, visited, #accum) then return end
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error("Cannot serialize this cdata.")
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end
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end
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types.thread = function() error("Cannot serialize threads.") end
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local function deserialize_value(str, index, visited)
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local t = byte(str, index)
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if not t then return end
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if t < 128 then
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return t - 27, index + 1
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elseif t < 192 then
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return byte(str, index + 1) + 0x100 * (t - 128) - 8192, index + 2
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elseif t == 202 then
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return nil, index + 1
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elseif t == 203 then
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return number_from_str(str, index)
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elseif t == 204 then
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return true, index + 1
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elseif t == 205 then
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return false, index + 1
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elseif t == 206 then
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local length, dataindex = deserialize_value(str, index + 1, visited)
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local nextindex = dataindex + length
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local substr = sub(str, dataindex, nextindex - 1)
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visited[#visited + 1] = substr
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return substr, nextindex
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elseif t == 207 then
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local count, nextindex = number_from_str(str, index + 1)
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local ret = {}
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visited[#visited + 1] = ret
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for i = 1, count do
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ret[i], nextindex = deserialize_value(str, nextindex, visited)
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end
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count, nextindex = number_from_str(str, nextindex)
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for i = 1, count do
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local k, v
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k, nextindex = deserialize_value(str, nextindex, visited)
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v, nextindex = deserialize_value(str, nextindex, visited)
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ret[k] = v
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end
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return ret, nextindex
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elseif t == 208 then
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local ref, nextindex = number_from_str(str, index + 1)
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return visited[ref], nextindex
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elseif t == 209 then
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local count
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local name, nextindex = deserialize_value(str, index + 1, visited)
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count, nextindex = number_from_str(str, nextindex)
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local args = {}
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for i = 1, count do
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args[i], nextindex = deserialize_value(str, nextindex, visited)
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end
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local ret = deserializers[name](unpack(args))
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visited[#visited + 1] = ret
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return ret, nextindex
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elseif t == 210 then
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local length, dataindex = deserialize_value(str, index + 1, visited)
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local nextindex = dataindex + length
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local ret = loadstring(sub(str, dataindex, nextindex - 1))
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visited[#visited + 1] = ret
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return ret, nextindex
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elseif t == 211 then
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local res, nextindex = deserialize_value(str, index + 1, visited)
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return resources_by_name[res], nextindex
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elseif t == 212 then
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return number_from_str(str, index)
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else
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error("Could not deserialize type byte " .. t .. ".")
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end
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end
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local function serialize(...)
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local visited = {next = 1}
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local accum = {}
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for i = 1, select("#", ...) do
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local x = select(i, ...)
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types[type(x)](x, visited, accum)
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end
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return concat(accum)
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end
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local function make_file_writer(file)
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return setmetatable({}, {
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__newindex = function(_, _, v)
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file:write(v)
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end
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})
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end
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local function serialize_to_file(path, mode, ...)
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local file, err = io.open(path, mode)
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assert(file, err)
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local visited = {next = 1}
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local accum = make_file_writer(file)
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for i = 1, select("#", ...) do
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local x = select(i, ...)
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types[type(x)](x, visited, accum)
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end
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-- flush the writer
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file:flush()
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file:close()
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end
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local function writeFile(path, ...)
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return serialize_to_file(path, "wb", ...)
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end
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local function appendFile(path, ...)
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return serialize_to_file(path, "ab", ...)
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end
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local function deserialize(str, index)
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assert(type(str) == "string", "Expected string to deserialize.")
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local vals = {}
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index = index or 1
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local visited = {}
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local len = 0
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local val
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while index do
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val, index = deserialize_value(str, index, visited)
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if index then
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len = len + 1
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vals[len] = val
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end
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end
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return vals, len
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end
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local function deserializeN(str, n, index)
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assert(type(str) == "string", "Expected string to deserialize.")
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n = n or 1
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assert(type(n) == "number", "Expected a number for parameter n.")
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assert(n > 0 and floor(n) == n, "N must be a poitive integer.")
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local vals = {}
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index = index or 1
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local visited = {}
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local len = 0
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local val
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while index and len < n do
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val, index = deserialize_value(str, index, visited)
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if index then
|
||||
len = len + 1
|
||||
vals[len] = val
|
||||
end
|
||||
end
|
||||
vals[len + 1] = index
|
||||
return unpack(vals, 1, n + 1)
|
||||
end
|
||||
|
||||
local function readFile(path)
|
||||
local file, err = io.open(path, "rb")
|
||||
assert(file, err)
|
||||
local str = file:read("*all")
|
||||
file:close()
|
||||
return deserialize(str)
|
||||
end
|
||||
|
||||
local function default_deserialize(metatable)
|
||||
return function(...)
|
||||
local ret = {}
|
||||
for i = 1, select("#", ...), 2 do
|
||||
ret[select(i, ...)] = select(i + 1, ...)
|
||||
end
|
||||
return setmetatable(ret, metatable)
|
||||
end
|
||||
end
|
||||
|
||||
local function default_serialize(x)
|
||||
assert(type(x) == "table",
|
||||
"Default serialization for custom types only works for tables.")
|
||||
local args = {}
|
||||
local len = 0
|
||||
for k, v in pairs(x) do
|
||||
args[len + 1], args[len + 2] = k, v
|
||||
len = len + 2
|
||||
end
|
||||
return unpack(args, 1, len)
|
||||
end
|
||||
|
||||
-- Templating
|
||||
|
||||
local function normalize_template(template)
|
||||
local ret = {}
|
||||
for i = 1, #template do
|
||||
ret[i] = template[i]
|
||||
end
|
||||
local non_array_part = {}
|
||||
-- The non-array part of the template (nested templates) have to be deterministic, so they are sorted.
|
||||
-- This means that inherently non deterministicly sortable keys (tables, functions) should NOT be used
|
||||
-- in templates. Looking for way around this.
|
||||
for k in pairs(template) do
|
||||
if not_array_index(k, #template) then
|
||||
non_array_part[#non_array_part + 1] = k
|
||||
end
|
||||
end
|
||||
table.sort(non_array_part)
|
||||
for i = 1, #non_array_part do
|
||||
local name = non_array_part[i]
|
||||
ret[#ret + 1] = {name, normalize_template(template[name])}
|
||||
end
|
||||
return ret
|
||||
end
|
||||
|
||||
local function templatepart_serialize(part, argaccum, x, len)
|
||||
local extras = {}
|
||||
local extracount = 0
|
||||
for k, v in pairs(x) do
|
||||
extras[k] = v
|
||||
extracount = extracount + 1
|
||||
end
|
||||
for i = 1, #part do
|
||||
extracount = extracount - 1
|
||||
if type(part[i]) == "table" then
|
||||
extras[part[i][1]] = nil
|
||||
len = templatepart_serialize(part[i][2], argaccum, x[part[i][1]], len)
|
||||
else
|
||||
extras[part[i]] = nil
|
||||
len = len + 1
|
||||
argaccum[len] = x[part[i]]
|
||||
end
|
||||
end
|
||||
if extracount > 0 then
|
||||
argaccum[len + 1] = extras
|
||||
else
|
||||
argaccum[len + 1] = nil
|
||||
end
|
||||
return len + 1
|
||||
end
|
||||
|
||||
local function templatepart_deserialize(ret, part, values, vindex)
|
||||
for i = 1, #part do
|
||||
local name = part[i]
|
||||
if type(name) == "table" then
|
||||
local newret = {}
|
||||
ret[name[1]] = newret
|
||||
vindex = templatepart_deserialize(newret, name[2], values, vindex)
|
||||
else
|
||||
ret[name] = values[vindex]
|
||||
vindex = vindex + 1
|
||||
end
|
||||
end
|
||||
local extras = values[vindex]
|
||||
if extras then
|
||||
for k, v in pairs(extras) do
|
||||
ret[k] = v
|
||||
end
|
||||
end
|
||||
return vindex + 1
|
||||
end
|
||||
|
||||
local function template_serializer_and_deserializer(metatable, template)
|
||||
return function(x)
|
||||
argaccum = {}
|
||||
local len = templatepart_serialize(template, argaccum, x, 0)
|
||||
return unpack(argaccum, 1, len)
|
||||
end, function(...)
|
||||
local ret = {}
|
||||
local len = select("#", ...)
|
||||
local args = {...}
|
||||
templatepart_deserialize(ret, template, args, 1)
|
||||
return setmetatable(ret, metatable)
|
||||
end
|
||||
end
|
||||
|
||||
local function register(metatable, name, serialize, deserialize)
|
||||
name = name or metatable.name
|
||||
serialize = serialize or metatable._serialize
|
||||
deserialize = deserialize or metatable._deserialize
|
||||
if not serialize then
|
||||
if metatable._template then
|
||||
local t = normalize_template(metatable._template)
|
||||
serialize, deserialize = template_serializer_and_deserializer(metatable, t)
|
||||
elseif not deserialize then
|
||||
serialize = default_serialize
|
||||
deserialize = default_deserialize(metatable)
|
||||
else
|
||||
serialize = metatable
|
||||
end
|
||||
end
|
||||
type_check(metatable, "table", "metatable")
|
||||
type_check(name, "string", "name")
|
||||
type_check(serialize, "function", "serialize")
|
||||
type_check(deserialize, "function", "deserialize")
|
||||
assert(not ids[metatable], "Metatable already registered.")
|
||||
assert(not mts[name], ("Name %q already registered."):format(name))
|
||||
mts[name] = metatable
|
||||
ids[metatable] = name
|
||||
serializers[name] = serialize
|
||||
deserializers[name] = deserialize
|
||||
return metatable
|
||||
end
|
||||
|
||||
local function unregister(item)
|
||||
local name, metatable
|
||||
if type(item) == "string" then -- assume name
|
||||
name, metatable = item, mts[item]
|
||||
else -- assume metatable
|
||||
name, metatable = ids[item], item
|
||||
end
|
||||
type_check(name, "string", "name")
|
||||
type_check(metatable, "table", "metatable")
|
||||
mts[name] = nil
|
||||
ids[metatable] = nil
|
||||
serializers[name] = nil
|
||||
deserializers[name] = nil
|
||||
return metatable
|
||||
end
|
||||
|
||||
local function registerClass(class, name)
|
||||
name = name or class.name
|
||||
if class.__instanceDict then -- middleclass
|
||||
register(class.__instanceDict, name)
|
||||
else -- assume 30log or similar library
|
||||
register(class, name)
|
||||
end
|
||||
return class
|
||||
end
|
||||
|
||||
local function registerResource(resource, name)
|
||||
type_check(name, "string", "name")
|
||||
assert(not resources[resource],
|
||||
"Resource already registered.")
|
||||
assert(not resources_by_name[name],
|
||||
format("Resource %q already exists.", name))
|
||||
resources_by_name[name] = resource
|
||||
resources[resource] = name
|
||||
return resource
|
||||
end
|
||||
|
||||
local function unregisterResource(name)
|
||||
type_check(name, "string", "name")
|
||||
assert(resources_by_name[name], format("Resource %q does not exist.", name))
|
||||
local resource = resources_by_name[name]
|
||||
resources_by_name[name] = nil
|
||||
resources[resource] = nil
|
||||
return resource
|
||||
end
|
||||
|
||||
return {
|
||||
-- aliases
|
||||
s = serialize,
|
||||
d = deserialize,
|
||||
dn = deserializeN,
|
||||
r = readFile,
|
||||
w = writeFile,
|
||||
a = appendFile,
|
||||
|
||||
serialize = serialize,
|
||||
deserialize = deserialize,
|
||||
deserializeN = deserializeN,
|
||||
readFile = readFile,
|
||||
writeFile = writeFile,
|
||||
appendFile = appendFile,
|
||||
register = register,
|
||||
unregister = unregister,
|
||||
registerResource = registerResource,
|
||||
unregisterResource = unregisterResource,
|
||||
registerClass = registerClass
|
||||
}
|
68
libs/classic.lua
Normal file
68
libs/classic.lua
Normal file
|
@ -0,0 +1,68 @@
|
|||
--
|
||||
-- classic
|
||||
--
|
||||
-- Copyright (c) 2014, rxi
|
||||
--
|
||||
-- This module is free software; you can redistribute it and/or modify it under
|
||||
-- the terms of the MIT license. See LICENSE for details.
|
||||
--
|
||||
|
||||
|
||||
local Object = {}
|
||||
Object.__index = Object
|
||||
|
||||
|
||||
function Object:new()
|
||||
end
|
||||
|
||||
|
||||
function Object:extend()
|
||||
local cls = {}
|
||||
for k, v in pairs(self) do
|
||||
if k:find("__") == 1 then
|
||||
cls[k] = v
|
||||
end
|
||||
end
|
||||
cls.__index = cls
|
||||
cls.super = self
|
||||
setmetatable(cls, self)
|
||||
return cls
|
||||
end
|
||||
|
||||
|
||||
function Object:implement(...)
|
||||
for _, cls in pairs({...}) do
|
||||
for k, v in pairs(cls) do
|
||||
if self[k] == nil and type(v) == "function" then
|
||||
self[k] = v
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
function Object:is(T)
|
||||
local mt = getmetatable(self)
|
||||
while mt do
|
||||
if mt == T then
|
||||
return true
|
||||
end
|
||||
mt = getmetatable(mt)
|
||||
end
|
||||
return false
|
||||
end
|
||||
|
||||
|
||||
function Object:__tostring()
|
||||
return "Object"
|
||||
end
|
||||
|
||||
|
||||
function Object:__call(...)
|
||||
local obj = setmetatable({}, self)
|
||||
obj:new(...)
|
||||
return obj
|
||||
end
|
||||
|
||||
|
||||
return Object
|
99
libs/cscreen.lua
Normal file
99
libs/cscreen.lua
Normal file
|
@ -0,0 +1,99 @@
|
|||
--[[
|
||||
CScreen v1.3 by CodeNMore
|
||||
A simple way to make resolution-independent Love2D games
|
||||
Tested for LOVE 0.10.1
|
||||
See: https://github.com/CodeNMore/CScreen
|
||||
Zlib License:
|
||||
Copyright (c) 2016 CodeNMore
|
||||
This software is provided 'as-is', without any express or implied warranty.
|
||||
In no event will the authors be held liable for any damages arising from
|
||||
the use of this software.
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it
|
||||
freely, subject to the following restrictions:
|
||||
1. The origin of this software must not be misrepresented; you must not
|
||||
claim that you wrote the original software. If you use this software in
|
||||
a product, an acknowledgment in the product documentation would be appreciated
|
||||
but is not required.
|
||||
2. Altered source versions must be plainly marked as such, and must not be
|
||||
misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
--]]
|
||||
|
||||
local CScreen = {}
|
||||
local rx, ry, ctr = 800, 600, true
|
||||
local rxv, ryv, fsv, fsvr = 800, 600, 1.0, 1.0
|
||||
local tx, ty, rwf, rhf = 0, 0, 800, 600
|
||||
local cr, cg, cb, ca = 0, 0, 0, 255
|
||||
|
||||
-- Initializes CScreen with the initial size values
|
||||
function CScreen.init(tw, th, cntr)
|
||||
rx = tw or 800
|
||||
ry = th or 600
|
||||
ctr = cntr or false
|
||||
CScreen.update(love.graphics.getWidth(), love.graphics.getHeight())
|
||||
end
|
||||
|
||||
-- Draws letterbox borders
|
||||
function CScreen.cease()
|
||||
if ctr then
|
||||
local pr, pg, pb, pa = love.graphics.getColor()
|
||||
love.graphics.setColor(cr, cg, cb, ca)
|
||||
love.graphics.scale(fsvr, fsvr)
|
||||
|
||||
if tx ~= 0 then
|
||||
love.graphics.rectangle("fill", -tx, 0, tx, rhf)
|
||||
love.graphics.rectangle("fill", rxv, 0, tx, rhf)
|
||||
elseif ty ~= 0 then
|
||||
love.graphics.rectangle("fill", 0, -ty, rwf, ty)
|
||||
love.graphics.rectangle("fill", 0, ryv, rwf, ty)
|
||||
end
|
||||
|
||||
love.graphics.setColor(pr, pg, pb, pa)
|
||||
end
|
||||
end
|
||||
|
||||
-- Scales and centers all graphics properly
|
||||
function CScreen.apply()
|
||||
if ctr then
|
||||
love.graphics.translate(tx, ty)
|
||||
end
|
||||
love.graphics.scale(fsv, fsv)
|
||||
end
|
||||
|
||||
-- Updates CScreen when the window size changes
|
||||
function CScreen.update(w, h)
|
||||
local sx = w / rx
|
||||
local sy = h / ry
|
||||
fsv = math.min(sx, sy)
|
||||
fsvr = 1 / fsv
|
||||
-- Centering
|
||||
if ctr and fsv == sx then -- Vertically
|
||||
tx = 0
|
||||
ty = (h / 2) - (ry * fsv / 2)
|
||||
elseif ctr and fsv == sy then -- Horizontally
|
||||
ty = 0
|
||||
tx = (w / 2) - (rx * fsv / 2)
|
||||
end
|
||||
-- Variable sets
|
||||
rwf = w
|
||||
rhf = h
|
||||
rxv = rx * fsv
|
||||
ryv = ry * fsv
|
||||
end
|
||||
|
||||
-- Convert from window coordinates to target coordinates
|
||||
function CScreen.project(x, y)
|
||||
return math.floor((x - tx) / fsv), math.floor((y - ty) / fsv)
|
||||
end
|
||||
|
||||
-- Change letterbox color
|
||||
function CScreen.setColor(r, g, b, a)
|
||||
cr = r
|
||||
cg = g
|
||||
cb = b
|
||||
ca = a
|
||||
end
|
||||
|
||||
-- Return the table for use
|
||||
return CScreen
|
737
libs/lovebird.lua
Normal file
737
libs/lovebird.lua
Normal file
|
@ -0,0 +1,737 @@
|
|||
--
|
||||
-- lovebird
|
||||
--
|
||||
-- Copyright (c) 2017 rxi
|
||||
--
|
||||
-- This library is free software; you can redistribute it and/or modify it
|
||||
-- under the terms of the MIT license. See LICENSE for details.
|
||||
--
|
||||
|
||||
local socket = require "socket"
|
||||
|
||||
local lovebird = { _version = "0.4.3" }
|
||||
|
||||
lovebird.loadstring = loadstring or load
|
||||
lovebird.inited = false
|
||||
lovebird.host = "*"
|
||||
lovebird.buffer = ""
|
||||
lovebird.lines = {}
|
||||
lovebird.connections = {}
|
||||
lovebird.pages = {}
|
||||
|
||||
lovebird.wrapprint = true
|
||||
lovebird.timestamp = true
|
||||
lovebird.allowhtml = false
|
||||
lovebird.echoinput = true
|
||||
lovebird.port = 8000
|
||||
lovebird.whitelist = { "127.0.0.1" }
|
||||
lovebird.maxlines = 200
|
||||
lovebird.updateinterval = .5
|
||||
|
||||
|
||||
lovebird.pages["index"] = [[
|
||||
<?lua
|
||||
-- Handle console input
|
||||
if req.parsedbody.input then
|
||||
local str = req.parsedbody.input
|
||||
if lovebird.echoinput then
|
||||
lovebird.pushline({ type = 'input', str = str })
|
||||
end
|
||||
if str:find("^=") then
|
||||
str = "print(" .. str:sub(2) .. ")"
|
||||
end
|
||||
xpcall(function() assert(lovebird.loadstring(str, "input"))() end,
|
||||
lovebird.onerror)
|
||||
end
|
||||
?>
|
||||
|
||||
<!doctype html>
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="x-ua-compatible" content="IE=Edge"/>
|
||||
<meta charset="utf-8">
|
||||
<title>lovebird</title>
|
||||
<style>
|
||||
body {
|
||||
margin: 0px;
|
||||
font-size: 14px;
|
||||
font-family: helvetica, verdana, sans;
|
||||
background: #FFFFFF;
|
||||
}
|
||||
form {
|
||||
margin-bottom: 0px;
|
||||
}
|
||||
.timestamp {
|
||||
color: #909090;
|
||||
padding-right: 4px;
|
||||
}
|
||||
.repeatcount {
|
||||
color: #F0F0F0;
|
||||
background: #505050;
|
||||
font-size: 11px;
|
||||
font-weight: bold;
|
||||
text-align: center;
|
||||
padding-left: 4px;
|
||||
padding-right: 4px;
|
||||
padding-top: 0px;
|
||||
padding-bottom: 0px;
|
||||
border-radius: 7px;
|
||||
display: inline-block;
|
||||
}
|
||||
.errormarker {
|
||||
color: #F0F0F0;
|
||||
background: #8E0000;
|
||||
font-size: 11px;
|
||||
font-weight: bold;
|
||||
text-align: center;
|
||||
border-radius: 8px;
|
||||
width: 17px;
|
||||
padding-top: 0px;
|
||||
padding-bottom: 0px;
|
||||
display: inline-block;
|
||||
}
|
||||
.greybordered {
|
||||
margin: 12px;
|
||||
background: #F0F0F0;
|
||||
border: 1px solid #E0E0E0;
|
||||
border-radius: 3px;
|
||||
}
|
||||
.inputline {
|
||||
font-family: mono, courier;
|
||||
font-size: 13px;
|
||||
color: #606060;
|
||||
}
|
||||
.inputline:before {
|
||||
content: '\00B7\00B7\00B7';
|
||||
padding-right: 5px;
|
||||
}
|
||||
.errorline {
|
||||
color: #8E0000;
|
||||
}
|
||||
#header {
|
||||
background: #101010;
|
||||
height: 25px;
|
||||
color: #F0F0F0;
|
||||
padding: 9px
|
||||
}
|
||||
#title {
|
||||
float: left;
|
||||
font-size: 20px;
|
||||
}
|
||||
#title a {
|
||||
color: #F0F0F0;
|
||||
text-decoration: none;
|
||||
}
|
||||
#title a:hover {
|
||||
color: #FFFFFF;
|
||||
}
|
||||
#version {
|
||||
font-size: 10px;
|
||||
}
|
||||
#status {
|
||||
float: right;
|
||||
font-size: 14px;
|
||||
padding-top: 4px;
|
||||
}
|
||||
#main a {
|
||||
color: #000000;
|
||||
text-decoration: none;
|
||||
background: #E0E0E0;
|
||||
border: 1px solid #D0D0D0;
|
||||
border-radius: 3px;
|
||||
padding-left: 2px;
|
||||
padding-right: 2px;
|
||||
display: inline-block;
|
||||
}
|
||||
#main a:hover {
|
||||
background: #D0D0D0;
|
||||
border: 1px solid #C0C0C0;
|
||||
}
|
||||
#console {
|
||||
position: absolute;
|
||||
top: 40px; bottom: 0px; left: 0px; right: 312px;
|
||||
}
|
||||
#input {
|
||||
position: absolute;
|
||||
margin: 10px;
|
||||
bottom: 0px; left: 0px; right: 0px;
|
||||
}
|
||||
#inputbox {
|
||||
width: 100%;
|
||||
font-family: mono, courier;
|
||||
font-size: 13px;
|
||||
}
|
||||
#output {
|
||||
overflow-y: scroll;
|
||||
position: absolute;
|
||||
margin: 10px;
|
||||
line-height: 17px;
|
||||
top: 0px; bottom: 36px; left: 0px; right: 0px;
|
||||
}
|
||||
#env {
|
||||
position: absolute;
|
||||
top: 40px; bottom: 0px; right: 0px;
|
||||
width: 300px;
|
||||
}
|
||||
#envheader {
|
||||
padding: 5px;
|
||||
background: #E0E0E0;
|
||||
}
|
||||
#envvars {
|
||||
position: absolute;
|
||||
left: 0px; right: 0px; top: 25px; bottom: 0px;
|
||||
margin: 10px;
|
||||
overflow-y: scroll;
|
||||
font-size: 12px;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div id="header">
|
||||
<div id="title">
|
||||
<a href="https://github.com/rxi/lovebird">lovebird</a>
|
||||
<span id="version"><?lua echo(lovebird._version) ?></span>
|
||||
</div>
|
||||
<div id="status"></div>
|
||||
</div>
|
||||
<div id="main">
|
||||
<div id="console" class="greybordered">
|
||||
<div id="output"> <?lua echo(lovebird.buffer) ?> </div>
|
||||
<div id="input">
|
||||
<form method="post"
|
||||
onkeydown="return onInputKeyDown(event);"
|
||||
onsubmit="onInputSubmit(); return false;">
|
||||
<input id="inputbox" name="input" type="text"
|
||||
autocomplete="off"></input>
|
||||
</form>
|
||||
</div>
|
||||
</div>
|
||||
<div id="env" class="greybordered">
|
||||
<div id="envheader"></div>
|
||||
<div id="envvars"></div>
|
||||
</div>
|
||||
</div>
|
||||
<script>
|
||||
document.getElementById("inputbox").focus();
|
||||
|
||||
var changeFavicon = function(href) {
|
||||
var old = document.getElementById("favicon");
|
||||
if (old) document.head.removeChild(old);
|
||||
var link = document.createElement("link");
|
||||
link.id = "favicon";
|
||||
link.rel = "shortcut icon";
|
||||
link.href = href;
|
||||
document.head.appendChild(link);
|
||||
}
|
||||
|
||||
var truncate = function(str, len) {
|
||||
if (str.length <= len) return str;
|
||||
return str.substring(0, len - 3) + "...";
|
||||
}
|
||||
|
||||
var geturl = function(url, onComplete, onFail) {
|
||||
var req = new XMLHttpRequest();
|
||||
req.onreadystatechange = function() {
|
||||
if (req.readyState != 4) return;
|
||||
if (req.status == 200) {
|
||||
if (onComplete) onComplete(req.responseText);
|
||||
} else {
|
||||
if (onFail) onFail(req.responseText);
|
||||
}
|
||||
}
|
||||
url += (url.indexOf("?") > -1 ? "&_=" : "?_=") + Math.random();
|
||||
req.open("GET", url, true);
|
||||
req.send();
|
||||
}
|
||||
|
||||
var divContentCache = {}
|
||||
var updateDivContent = function(id, content) {
|
||||
if (divContentCache[id] != content) {
|
||||
document.getElementById(id).innerHTML = content;
|
||||
divContentCache[id] = content
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
var onInputSubmit = function() {
|
||||
var b = document.getElementById("inputbox");
|
||||
var req = new XMLHttpRequest();
|
||||
req.open("POST", "/", true);
|
||||
req.send("input=" + encodeURIComponent(b.value));
|
||||
/* Do input history */
|
||||
if (b.value && inputHistory[0] != b.value) {
|
||||
inputHistory.unshift(b.value);
|
||||
}
|
||||
inputHistory.index = -1;
|
||||
/* Reset */
|
||||
b.value = "";
|
||||
refreshOutput();
|
||||
}
|
||||
|
||||
/* Input box history */
|
||||
var inputHistory = [];
|
||||
inputHistory.index = 0;
|
||||
var onInputKeyDown = function(e) {
|
||||
var key = e.which || e.keyCode;
|
||||
if (key != 38 && key != 40) return true;
|
||||
var b = document.getElementById("inputbox");
|
||||
if (key == 38 && inputHistory.index < inputHistory.length - 1) {
|
||||
/* Up key */
|
||||
inputHistory.index++;
|
||||
}
|
||||
if (key == 40 && inputHistory.index >= 0) {
|
||||
/* Down key */
|
||||
inputHistory.index--;
|
||||
}
|
||||
b.value = inputHistory[inputHistory.index] || "";
|
||||
b.selectionStart = b.value.length;
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Output buffer and status */
|
||||
var refreshOutput = function() {
|
||||
geturl("/buffer", function(text) {
|
||||
updateDivContent("status", "connected ●");
|
||||
if (updateDivContent("output", text)) {
|
||||
var div = document.getElementById("output");
|
||||
div.scrollTop = div.scrollHeight;
|
||||
}
|
||||
/* Update favicon */
|
||||
changeFavicon("data:image/png;base64," +
|
||||
"iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAP1BMVEUAAAAAAAAAAAD////19fUO"+
|
||||
"Dg7v7+/h4eGzs7MlJSUeHh7n5+fY2NjJycnGxsa3t7eioqKfn5+QkJCHh4d+fn7zU+b5AAAAAnRS"+
|
||||
"TlPlAFWaypEAAABRSURBVBjTfc9HDoAwDERRQ+w0ern/WQkZaUBC4e/mrWzppH9VJjbjZg1Ii2rM"+
|
||||
"DyR1JZ8J0dVWggIGggcEwgbYCRbuPRqgyjHNpzUP+39GPu9fgloC5L9DO0sAAAAASUVORK5CYII="
|
||||
);
|
||||
},
|
||||
function(text) {
|
||||
updateDivContent("status", "disconnected ○");
|
||||
/* Update favicon */
|
||||
changeFavicon("data:image/png;base64," +
|
||||
"iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAYFBMVEUAAAAAAAAAAADZ2dm4uLgM"+
|
||||
"DAz29vbz8/Pv7+/h4eHIyMiwsLBtbW0lJSUeHh4QEBDn5+fS0tLDw8O0tLSioqKfn5+QkJCHh4d+"+
|
||||
"fn5ycnJmZmZgYGBXV1dLS0tFRUUGBgZ0He44AAAAAnRSTlPlAFWaypEAAABeSURBVBjTfY9HDoAw"+
|
||||
"DAQD6Z3ey/9/iXMxkVDYw0g7F3tJReosUKHnwY4pCM+EtOEVXrb7wVRA0dMbaAcUwiVeDQq1Jp4a"+
|
||||
"xUg5kE0ooqZu68Di2Tgbs/DiY/9jyGf+AyFKBAK7KD2TAAAAAElFTkSuQmCC"
|
||||
);
|
||||
});
|
||||
}
|
||||
setInterval(refreshOutput,
|
||||
<?lua echo(lovebird.updateinterval) ?> * 1000);
|
||||
|
||||
/* Environment variable view */
|
||||
var envPath = "";
|
||||
var refreshEnv = function() {
|
||||
geturl("/env.json?p=" + envPath, function(text) {
|
||||
var json = eval("(" + text + ")");
|
||||
|
||||
/* Header */
|
||||
var html = "<a href='#' onclick=\"setEnvPath('')\">env</a>";
|
||||
var acc = "";
|
||||
var p = json.path != "" ? json.path.split(".") : [];
|
||||
for (var i = 0; i < p.length; i++) {
|
||||
acc += "." + p[i];
|
||||
html += " <a href='#' onclick=\"setEnvPath('" + acc + "')\">" +
|
||||
truncate(p[i], 10) + "</a>";
|
||||
}
|
||||
updateDivContent("envheader", html);
|
||||
|
||||
/* Handle invalid table path */
|
||||
if (!json.valid) {
|
||||
updateDivContent("envvars", "Bad path");
|
||||
return;
|
||||
}
|
||||
|
||||
/* Variables */
|
||||
var html = "<table>";
|
||||
for (var i = 0; json.vars[i]; i++) {
|
||||
var x = json.vars[i];
|
||||
var fullpath = (json.path + "." + x.key).replace(/^\./, "");
|
||||
var k = truncate(x.key, 15);
|
||||
if (x.type == "table") {
|
||||
k = "<a href='#' onclick=\"setEnvPath('" + fullpath + "')\">" +
|
||||
k + "</a>";
|
||||
}
|
||||
var v = "<a href='#' onclick=\"insertVar('" +
|
||||
fullpath.replace(/\.(-?[0-9]+)/g, "[$1]") +
|
||||
"');\">" + x.value + "</a>"
|
||||
html += "<tr><td>" + k + "</td><td>" + v + "</td></tr>";
|
||||
}
|
||||
html += "</table>";
|
||||
updateDivContent("envvars", html);
|
||||
});
|
||||
}
|
||||
var setEnvPath = function(p) {
|
||||
envPath = p;
|
||||
refreshEnv();
|
||||
}
|
||||
var insertVar = function(p) {
|
||||
var b = document.getElementById("inputbox");
|
||||
b.value += p;
|
||||
b.focus();
|
||||
}
|
||||
setInterval(refreshEnv, <?lua echo(lovebird.updateinterval) ?> * 1000);
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
]]
|
||||
|
||||
|
||||
lovebird.pages["buffer"] = [[ <?lua echo(lovebird.buffer) ?> ]]
|
||||
|
||||
|
||||
lovebird.pages["env.json"] = [[
|
||||
<?lua
|
||||
local t = _G
|
||||
local p = req.parsedurl.query.p or ""
|
||||
p = p:gsub("%.+", "."):match("^[%.]*(.*)[%.]*$")
|
||||
if p ~= "" then
|
||||
for x in p:gmatch("[^%.]+") do
|
||||
t = t[x] or t[tonumber(x)]
|
||||
-- Return early if path does not exist
|
||||
if type(t) ~= "table" then
|
||||
echo('{ "valid": false, "path": ' .. string.format("%q", p) .. ' }')
|
||||
return
|
||||
end
|
||||
end
|
||||
end
|
||||
?>
|
||||
{
|
||||
"valid": true,
|
||||
"path": "<?lua echo(p) ?>",
|
||||
"vars": [
|
||||
<?lua
|
||||
local keys = {}
|
||||
for k in pairs(t) do
|
||||
if type(k) == "number" or type(k) == "string" then
|
||||
table.insert(keys, k)
|
||||
end
|
||||
end
|
||||
table.sort(keys, lovebird.compare)
|
||||
for _, k in pairs(keys) do
|
||||
local v = t[k]
|
||||
?>
|
||||
{
|
||||
"key": "<?lua echo(k) ?>",
|
||||
"value": <?lua echo(
|
||||
string.format("%q",
|
||||
lovebird.truncate(
|
||||
lovebird.htmlescape(
|
||||
tostring(v)), 26))) ?>,
|
||||
"type": "<?lua echo(type(v)) ?>",
|
||||
},
|
||||
<?lua end ?>
|
||||
]
|
||||
}
|
||||
]]
|
||||
|
||||
|
||||
|
||||
function lovebird.init()
|
||||
-- Init server
|
||||
lovebird.server = assert(socket.bind(lovebird.host, lovebird.port))
|
||||
lovebird.addr, lovebird.port = lovebird.server:getsockname()
|
||||
lovebird.server:settimeout(0)
|
||||
-- Wrap print
|
||||
lovebird.origprint = print
|
||||
if lovebird.wrapprint then
|
||||
local oldprint = print
|
||||
print = function(...)
|
||||
oldprint(...)
|
||||
lovebird.print(...)
|
||||
end
|
||||
end
|
||||
-- Compile page templates
|
||||
for k, page in pairs(lovebird.pages) do
|
||||
lovebird.pages[k] = lovebird.template(page, "lovebird, req",
|
||||
"pages." .. k)
|
||||
end
|
||||
lovebird.inited = true
|
||||
end
|
||||
|
||||
|
||||
function lovebird.template(str, params, chunkname)
|
||||
params = params and ("," .. params) or ""
|
||||
local f = function(x) return string.format(" echo(%q)", x) end
|
||||
str = ("?>"..str.."<?lua"):gsub("%?>(.-)<%?lua", f)
|
||||
str = "local echo " .. params .. " = ..." .. str
|
||||
local fn = assert(lovebird.loadstring(str, chunkname))
|
||||
return function(...)
|
||||
local output = {}
|
||||
local echo = function(str) table.insert(output, str) end
|
||||
fn(echo, ...)
|
||||
return table.concat(lovebird.map(output, tostring))
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
function lovebird.map(t, fn)
|
||||
local res = {}
|
||||
for k, v in pairs(t) do res[k] = fn(v) end
|
||||
return res
|
||||
end
|
||||
|
||||
|
||||
function lovebird.trace(...)
|
||||
local str = "[lovebird] " .. table.concat(lovebird.map({...}, tostring), " ")
|
||||
print(str)
|
||||
if not lovebird.wrapprint then lovebird.print(str) end
|
||||
end
|
||||
|
||||
|
||||
function lovebird.unescape(str)
|
||||
local f = function(x) return string.char(tonumber("0x"..x)) end
|
||||
return (str:gsub("%+", " "):gsub("%%(..)", f))
|
||||
end
|
||||
|
||||
|
||||
function lovebird.parseurl(url)
|
||||
local res = {}
|
||||
res.path, res.search = url:match("/([^%?]*)%??(.*)")
|
||||
res.query = {}
|
||||
for k, v in res.search:gmatch("([^&^?]-)=([^&^#]*)") do
|
||||
res.query[k] = lovebird.unescape(v)
|
||||
end
|
||||
return res
|
||||
end
|
||||
|
||||
|
||||
local htmlescapemap = {
|
||||
["<"] = "<",
|
||||
["&"] = "&",
|
||||
['"'] = """,
|
||||
["'"] = "'",
|
||||
}
|
||||
|
||||
function lovebird.htmlescape(str)
|
||||
return ( str:gsub("[<&\"']", htmlescapemap) )
|
||||
end
|
||||
|
||||
|
||||
function lovebird.truncate(str, len)
|
||||
if #str <= len then
|
||||
return str
|
||||
end
|
||||
return str:sub(1, len - 3) .. "..."
|
||||
end
|
||||
|
||||
|
||||
function lovebird.compare(a, b)
|
||||
local na, nb = tonumber(a), tonumber(b)
|
||||
if na then
|
||||
if nb then return na < nb end
|
||||
return false
|
||||
elseif nb then
|
||||
return true
|
||||
end
|
||||
return tostring(a) < tostring(b)
|
||||
end
|
||||
|
||||
|
||||
function lovebird.checkwhitelist(addr)
|
||||
if lovebird.whitelist == nil then return true end
|
||||
for _, a in pairs(lovebird.whitelist) do
|
||||
local ptn = "^" .. a:gsub("%.", "%%."):gsub("%*", "%%d*") .. "$"
|
||||
if addr:match(ptn) then return true end
|
||||
end
|
||||
return false
|
||||
end
|
||||
|
||||
|
||||
function lovebird.clear()
|
||||
lovebird.lines = {}
|
||||
lovebird.buffer = ""
|
||||
end
|
||||
|
||||
|
||||
function lovebird.pushline(line)
|
||||
line.time = os.time()
|
||||
line.count = 1
|
||||
table.insert(lovebird.lines, line)
|
||||
if #lovebird.lines > lovebird.maxlines then
|
||||
table.remove(lovebird.lines, 1)
|
||||
end
|
||||
lovebird.recalcbuffer()
|
||||
end
|
||||
|
||||
|
||||
function lovebird.recalcbuffer()
|
||||
local function doline(line)
|
||||
local str = line.str
|
||||
if not lovebird.allowhtml then
|
||||
str = lovebird.htmlescape(line.str):gsub("\n", "<br>")
|
||||
end
|
||||
if line.type == "input" then
|
||||
str = '<span class="inputline">' .. str .. '</span>'
|
||||
else
|
||||
if line.type == "error" then
|
||||
str = '<span class="errormarker">!</span> ' .. str
|
||||
str = '<span class="errorline">' .. str .. '</span>'
|
||||
end
|
||||
if line.count > 1 then
|
||||
str = '<span class="repeatcount">' .. line.count .. '</span> ' .. str
|
||||
end
|
||||
if lovebird.timestamp then
|
||||
str = os.date('<span class="timestamp">%H:%M:%S</span> ', line.time) ..
|
||||
str
|
||||
end
|
||||
end
|
||||
return str
|
||||
end
|
||||
lovebird.buffer = table.concat(lovebird.map(lovebird.lines, doline), "<br>")
|
||||
end
|
||||
|
||||
|
||||
function lovebird.print(...)
|
||||
local t = {}
|
||||
for i = 1, select("#", ...) do
|
||||
table.insert(t, tostring(select(i, ...)))
|
||||
end
|
||||
local str = table.concat(t, " ")
|
||||
local last = lovebird.lines[#lovebird.lines]
|
||||
if last and str == last.str then
|
||||
-- Update last line if this line is a duplicate of it
|
||||
last.time = os.time()
|
||||
last.count = last.count + 1
|
||||
lovebird.recalcbuffer()
|
||||
else
|
||||
-- Create new line
|
||||
lovebird.pushline({ type = "output", str = str })
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
function lovebird.onerror(err)
|
||||
lovebird.pushline({ type = "error", str = err })
|
||||
if lovebird.wrapprint then
|
||||
lovebird.origprint("[lovebird] ERROR: " .. err)
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
function lovebird.onrequest(req, client)
|
||||
local page = req.parsedurl.path
|
||||
page = page ~= "" and page or "index"
|
||||
-- Handle "page not found"
|
||||
if not lovebird.pages[page] then
|
||||
return "HTTP/1.1 404\r\nContent-Length: 8\r\n\r\nBad page"
|
||||
end
|
||||
-- Handle page
|
||||
local str
|
||||
xpcall(function()
|
||||
local data = lovebird.pages[page](lovebird, req)
|
||||
local contenttype = "text/html"
|
||||
if string.match(page, "%.json$") then
|
||||
contenttype = "application/json"
|
||||
end
|
||||
str = "HTTP/1.1 200 OK\r\n" ..
|
||||
"Content-Type: " .. contenttype .. "\r\n" ..
|
||||
"Content-Length: " .. #data .. "\r\n" ..
|
||||
"\r\n" .. data
|
||||
end, lovebird.onerror)
|
||||
return str
|
||||
end
|
||||
|
||||
|
||||
function lovebird.receive(client, pattern)
|
||||
while 1 do
|
||||
local data, msg = client:receive(pattern)
|
||||
if not data then
|
||||
if msg == "timeout" then
|
||||
-- Wait for more data
|
||||
coroutine.yield(true)
|
||||
else
|
||||
-- Disconnected -- yielding nil means we're done
|
||||
coroutine.yield(nil)
|
||||
end
|
||||
else
|
||||
return data
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
function lovebird.send(client, data)
|
||||
local idx = 1
|
||||
while idx < #data do
|
||||
local res, msg = client:send(data, idx)
|
||||
if not res and msg == "closed" then
|
||||
-- Handle disconnect
|
||||
coroutine.yield(nil)
|
||||
else
|
||||
idx = idx + res
|
||||
coroutine.yield(true)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
function lovebird.onconnect(client)
|
||||
-- Create request table
|
||||
local requestptn = "(%S*)%s*(%S*)%s*(%S*)"
|
||||
local req = {}
|
||||
req.socket = client
|
||||
req.addr, req.port = client:getsockname()
|
||||
req.request = lovebird.receive(client, "*l")
|
||||
req.method, req.url, req.proto = req.request:match(requestptn)
|
||||
req.headers = {}
|
||||
while 1 do
|
||||
local line, msg = lovebird.receive(client, "*l")
|
||||
if not line or #line == 0 then break end
|
||||
local k, v = line:match("(.-):%s*(.*)$")
|
||||
req.headers[k] = v
|
||||
end
|
||||
if req.headers["Content-Length"] then
|
||||
req.body = lovebird.receive(client, req.headers["Content-Length"])
|
||||
end
|
||||
-- Parse body
|
||||
req.parsedbody = {}
|
||||
if req.body then
|
||||
for k, v in req.body:gmatch("([^&]-)=([^&^#]*)") do
|
||||
req.parsedbody[k] = lovebird.unescape(v)
|
||||
end
|
||||
end
|
||||
-- Parse request line's url
|
||||
req.parsedurl = lovebird.parseurl(req.url)
|
||||
-- Handle request; get data to send and send
|
||||
local data = lovebird.onrequest(req)
|
||||
lovebird.send(client, data)
|
||||
-- Clear up
|
||||
client:close()
|
||||
end
|
||||
|
||||
|
||||
function lovebird.update()
|
||||
if not lovebird.inited then lovebird.init() end
|
||||
-- Handle new connections
|
||||
while 1 do
|
||||
-- Accept new connections
|
||||
local client = lovebird.server:accept()
|
||||
if not client then break end
|
||||
client:settimeout(0)
|
||||
local addr = client:getsockname()
|
||||
if lovebird.checkwhitelist(addr) then
|
||||
-- Connection okay -- create and add coroutine to set
|
||||
local conn = coroutine.wrap(function()
|
||||
xpcall(function() lovebird.onconnect(client) end, function() end)
|
||||
end)
|
||||
lovebird.connections[conn] = true
|
||||
else
|
||||
-- Reject connection not on whitelist
|
||||
lovebird.trace("got non-whitelisted connection attempt: ", addr)
|
||||
client:close()
|
||||
end
|
||||
end
|
||||
-- Handle existing connections
|
||||
for conn in pairs(lovebird.connections) do
|
||||
-- Resume coroutine, remove if it has finished
|
||||
local status = conn()
|
||||
if status == nil then
|
||||
lovebird.connections[conn] = nil
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
return lovebird
|
Loading…
Reference in a new issue