add inspect in lib folder for now
This commit is contained in:
parent
a68267eef9
commit
6ce032a148
20
MWSE/lib/inspect-LICENSE.txt
Normal file
20
MWSE/lib/inspect-LICENSE.txt
Normal file
|
|
@ -0,0 +1,20 @@
|
||||||
|
Copyright (c) 2013 Enrique García Cota
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
copy of this software and associated documentation files (the
|
||||||
|
"Software"), to deal in the Software without restriction, including
|
||||||
|
without limitation the rights to use, copy, modify, merge, publish,
|
||||||
|
distribute, sublicense, and/or sell copies of the Software, and to
|
||||||
|
permit persons to whom the Software is furnished to do so, subject to
|
||||||
|
the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be included
|
||||||
|
in all copies or substantial portions of the Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||||
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||||
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||||
|
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||||
|
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||||
|
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||||
|
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||||
334
MWSE/lib/inspect.lua
Normal file
334
MWSE/lib/inspect.lua
Normal file
|
|
@ -0,0 +1,334 @@
|
||||||
|
local inspect ={
|
||||||
|
_VERSION = 'inspect.lua 3.1.0',
|
||||||
|
_URL = 'http://github.com/kikito/inspect.lua',
|
||||||
|
_DESCRIPTION = 'human-readable representations of tables',
|
||||||
|
_LICENSE = [[
|
||||||
|
MIT LICENSE
|
||||||
|
|
||||||
|
Copyright (c) 2013 Enrique García Cota
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
copy of this software and associated documentation files (the
|
||||||
|
"Software"), to deal in the Software without restriction, including
|
||||||
|
without limitation the rights to use, copy, modify, merge, publish,
|
||||||
|
distribute, sublicense, and/or sell copies of the Software, and to
|
||||||
|
permit persons to whom the Software is furnished to do so, subject to
|
||||||
|
the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be included
|
||||||
|
in all copies or substantial portions of the Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||||
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||||
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||||
|
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||||
|
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||||
|
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||||
|
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||||
|
]]
|
||||||
|
}
|
||||||
|
|
||||||
|
local tostring = tostring
|
||||||
|
|
||||||
|
inspect.KEY = setmetatable({}, {__tostring = function() return 'inspect.KEY' end})
|
||||||
|
inspect.METATABLE = setmetatable({}, {__tostring = function() return 'inspect.METATABLE' end})
|
||||||
|
|
||||||
|
local function rawpairs(t)
|
||||||
|
return next, t, nil
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Apostrophizes the string if it has quotes, but not aphostrophes
|
||||||
|
-- Otherwise, it returns a regular quoted string
|
||||||
|
local function smartQuote(str)
|
||||||
|
if str:match('"') and not str:match("'") then
|
||||||
|
return "'" .. str .. "'"
|
||||||
|
end
|
||||||
|
return '"' .. str:gsub('"', '\\"') .. '"'
|
||||||
|
end
|
||||||
|
|
||||||
|
-- \a => '\\a', \0 => '\\0', 31 => '\31'
|
||||||
|
local shortControlCharEscapes = {
|
||||||
|
["\a"] = "\\a", ["\b"] = "\\b", ["\f"] = "\\f", ["\n"] = "\\n",
|
||||||
|
["\r"] = "\\r", ["\t"] = "\\t", ["\v"] = "\\v"
|
||||||
|
}
|
||||||
|
local longControlCharEscapes = {} -- \a => nil, \0 => \000, 31 => \031
|
||||||
|
for i=0, 31 do
|
||||||
|
local ch = string.char(i)
|
||||||
|
if not shortControlCharEscapes[ch] then
|
||||||
|
shortControlCharEscapes[ch] = "\\"..i
|
||||||
|
longControlCharEscapes[ch] = string.format("\\%03d", i)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local function escape(str)
|
||||||
|
return (str:gsub("\\", "\\\\")
|
||||||
|
:gsub("(%c)%f[0-9]", longControlCharEscapes)
|
||||||
|
:gsub("%c", shortControlCharEscapes))
|
||||||
|
end
|
||||||
|
|
||||||
|
local function isIdentifier(str)
|
||||||
|
return type(str) == 'string' and str:match( "^[_%a][_%a%d]*$" )
|
||||||
|
end
|
||||||
|
|
||||||
|
local function isSequenceKey(k, sequenceLength)
|
||||||
|
return type(k) == 'number'
|
||||||
|
and 1 <= k
|
||||||
|
and k <= sequenceLength
|
||||||
|
and math.floor(k) == k
|
||||||
|
end
|
||||||
|
|
||||||
|
local defaultTypeOrders = {
|
||||||
|
['number'] = 1, ['boolean'] = 2, ['string'] = 3, ['table'] = 4,
|
||||||
|
['function'] = 5, ['userdata'] = 6, ['thread'] = 7
|
||||||
|
}
|
||||||
|
|
||||||
|
local function sortKeys(a, b)
|
||||||
|
local ta, tb = type(a), type(b)
|
||||||
|
|
||||||
|
-- strings and numbers are sorted numerically/alphabetically
|
||||||
|
if ta == tb and (ta == 'string' or ta == 'number') then return a < b end
|
||||||
|
|
||||||
|
local dta, dtb = defaultTypeOrders[ta], defaultTypeOrders[tb]
|
||||||
|
-- Two default types are compared according to the defaultTypeOrders table
|
||||||
|
if dta and dtb then return defaultTypeOrders[ta] < defaultTypeOrders[tb]
|
||||||
|
elseif dta then return true -- default types before custom ones
|
||||||
|
elseif dtb then return false -- custom types after default ones
|
||||||
|
end
|
||||||
|
|
||||||
|
-- custom types are sorted out alphabetically
|
||||||
|
return ta < tb
|
||||||
|
end
|
||||||
|
|
||||||
|
-- For implementation reasons, the behavior of rawlen & # is "undefined" when
|
||||||
|
-- tables aren't pure sequences. So we implement our own # operator.
|
||||||
|
local function getSequenceLength(t)
|
||||||
|
local len = 1
|
||||||
|
local v = rawget(t,len)
|
||||||
|
while v ~= nil do
|
||||||
|
len = len + 1
|
||||||
|
v = rawget(t,len)
|
||||||
|
end
|
||||||
|
return len - 1
|
||||||
|
end
|
||||||
|
|
||||||
|
local function getNonSequentialKeys(t)
|
||||||
|
local keys, keysLength = {}, 0
|
||||||
|
local sequenceLength = getSequenceLength(t)
|
||||||
|
for k,_ in rawpairs(t) do
|
||||||
|
if not isSequenceKey(k, sequenceLength) then
|
||||||
|
keysLength = keysLength + 1
|
||||||
|
keys[keysLength] = k
|
||||||
|
end
|
||||||
|
end
|
||||||
|
table.sort(keys, sortKeys)
|
||||||
|
return keys, keysLength, sequenceLength
|
||||||
|
end
|
||||||
|
|
||||||
|
local function countTableAppearances(t, tableAppearances)
|
||||||
|
tableAppearances = tableAppearances or {}
|
||||||
|
|
||||||
|
if type(t) == 'table' then
|
||||||
|
if not tableAppearances[t] then
|
||||||
|
tableAppearances[t] = 1
|
||||||
|
for k,v in rawpairs(t) do
|
||||||
|
countTableAppearances(k, tableAppearances)
|
||||||
|
countTableAppearances(v, tableAppearances)
|
||||||
|
end
|
||||||
|
countTableAppearances(getmetatable(t), tableAppearances)
|
||||||
|
else
|
||||||
|
tableAppearances[t] = tableAppearances[t] + 1
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
return tableAppearances
|
||||||
|
end
|
||||||
|
|
||||||
|
local copySequence = function(s)
|
||||||
|
local copy, len = {}, #s
|
||||||
|
for i=1, len do copy[i] = s[i] end
|
||||||
|
return copy, len
|
||||||
|
end
|
||||||
|
|
||||||
|
local function makePath(path, ...)
|
||||||
|
local keys = {...}
|
||||||
|
local newPath, len = copySequence(path)
|
||||||
|
for i=1, #keys do
|
||||||
|
newPath[len + i] = keys[i]
|
||||||
|
end
|
||||||
|
return newPath
|
||||||
|
end
|
||||||
|
|
||||||
|
local function processRecursive(process, item, path, visited)
|
||||||
|
if item == nil then return nil end
|
||||||
|
if visited[item] then return visited[item] end
|
||||||
|
|
||||||
|
local processed = process(item, path)
|
||||||
|
if type(processed) == 'table' then
|
||||||
|
local processedCopy = {}
|
||||||
|
visited[item] = processedCopy
|
||||||
|
local processedKey
|
||||||
|
|
||||||
|
for k,v in rawpairs(processed) do
|
||||||
|
processedKey = processRecursive(process, k, makePath(path, k, inspect.KEY), visited)
|
||||||
|
if processedKey ~= nil then
|
||||||
|
processedCopy[processedKey] = processRecursive(process, v, makePath(path, processedKey), visited)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local mt = processRecursive(process, getmetatable(processed), makePath(path, inspect.METATABLE), visited)
|
||||||
|
if type(mt) ~= 'table' then mt = nil end -- ignore not nil/table __metatable field
|
||||||
|
setmetatable(processedCopy, mt)
|
||||||
|
processed = processedCopy
|
||||||
|
end
|
||||||
|
return processed
|
||||||
|
end
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
-------------------------------------------------------------------
|
||||||
|
|
||||||
|
local Inspector = {}
|
||||||
|
local Inspector_mt = {__index = Inspector}
|
||||||
|
|
||||||
|
function Inspector:puts(...)
|
||||||
|
local args = {...}
|
||||||
|
local buffer = self.buffer
|
||||||
|
local len = #buffer
|
||||||
|
for i=1, #args do
|
||||||
|
len = len + 1
|
||||||
|
buffer[len] = args[i]
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
function Inspector:down(f)
|
||||||
|
self.level = self.level + 1
|
||||||
|
f()
|
||||||
|
self.level = self.level - 1
|
||||||
|
end
|
||||||
|
|
||||||
|
function Inspector:tabify()
|
||||||
|
self:puts(self.newline, string.rep(self.indent, self.level))
|
||||||
|
end
|
||||||
|
|
||||||
|
function Inspector:alreadyVisited(v)
|
||||||
|
return self.ids[v] ~= nil
|
||||||
|
end
|
||||||
|
|
||||||
|
function Inspector:getId(v)
|
||||||
|
local id = self.ids[v]
|
||||||
|
if not id then
|
||||||
|
local tv = type(v)
|
||||||
|
id = (self.maxIds[tv] or 0) + 1
|
||||||
|
self.maxIds[tv] = id
|
||||||
|
self.ids[v] = id
|
||||||
|
end
|
||||||
|
return tostring(id)
|
||||||
|
end
|
||||||
|
|
||||||
|
function Inspector:putKey(k)
|
||||||
|
if isIdentifier(k) then return self:puts(k) end
|
||||||
|
self:puts("[")
|
||||||
|
self:putValue(k)
|
||||||
|
self:puts("]")
|
||||||
|
end
|
||||||
|
|
||||||
|
function Inspector:putTable(t)
|
||||||
|
if t == inspect.KEY or t == inspect.METATABLE then
|
||||||
|
self:puts(tostring(t))
|
||||||
|
elseif self:alreadyVisited(t) then
|
||||||
|
self:puts('<table ', self:getId(t), '>')
|
||||||
|
elseif self.level >= self.depth then
|
||||||
|
self:puts('{...}')
|
||||||
|
else
|
||||||
|
if self.tableAppearances[t] > 1 then self:puts('<', self:getId(t), '>') end
|
||||||
|
|
||||||
|
local nonSequentialKeys, nonSequentialKeysLength, sequenceLength = getNonSequentialKeys(t)
|
||||||
|
local mt = getmetatable(t)
|
||||||
|
|
||||||
|
self:puts('{')
|
||||||
|
self:down(function()
|
||||||
|
local count = 0
|
||||||
|
for i=1, sequenceLength do
|
||||||
|
if count > 0 then self:puts(',') end
|
||||||
|
self:puts(' ')
|
||||||
|
self:putValue(t[i])
|
||||||
|
count = count + 1
|
||||||
|
end
|
||||||
|
|
||||||
|
for i=1, nonSequentialKeysLength do
|
||||||
|
local k = nonSequentialKeys[i]
|
||||||
|
if count > 0 then self:puts(',') end
|
||||||
|
self:tabify()
|
||||||
|
self:putKey(k)
|
||||||
|
self:puts(' = ')
|
||||||
|
self:putValue(t[k])
|
||||||
|
count = count + 1
|
||||||
|
end
|
||||||
|
|
||||||
|
if type(mt) == 'table' then
|
||||||
|
if count > 0 then self:puts(',') end
|
||||||
|
self:tabify()
|
||||||
|
self:puts('<metatable> = ')
|
||||||
|
self:putValue(mt)
|
||||||
|
end
|
||||||
|
end)
|
||||||
|
|
||||||
|
if nonSequentialKeysLength > 0 or type(mt) == 'table' then -- result is multi-lined. Justify closing }
|
||||||
|
self:tabify()
|
||||||
|
elseif sequenceLength > 0 then -- array tables have one extra space before closing }
|
||||||
|
self:puts(' ')
|
||||||
|
end
|
||||||
|
|
||||||
|
self:puts('}')
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
function Inspector:putValue(v)
|
||||||
|
local tv = type(v)
|
||||||
|
|
||||||
|
if tv == 'string' then
|
||||||
|
self:puts(smartQuote(escape(v)))
|
||||||
|
elseif tv == 'number' or tv == 'boolean' or tv == 'nil' or
|
||||||
|
tv == 'cdata' or tv == 'ctype' then
|
||||||
|
self:puts(tostring(v))
|
||||||
|
elseif tv == 'table' then
|
||||||
|
self:putTable(v)
|
||||||
|
else
|
||||||
|
self:puts('<', tv, ' ', self:getId(v), '>')
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
-------------------------------------------------------------------
|
||||||
|
|
||||||
|
function inspect.inspect(root, options)
|
||||||
|
options = options or {}
|
||||||
|
|
||||||
|
local depth = options.depth or math.huge
|
||||||
|
local newline = options.newline or '\n'
|
||||||
|
local indent = options.indent or ' '
|
||||||
|
local process = options.process
|
||||||
|
|
||||||
|
if process then
|
||||||
|
root = processRecursive(process, root, {}, {})
|
||||||
|
end
|
||||||
|
|
||||||
|
local inspector = setmetatable({
|
||||||
|
depth = depth,
|
||||||
|
level = 0,
|
||||||
|
buffer = {},
|
||||||
|
ids = {},
|
||||||
|
maxIds = {},
|
||||||
|
newline = newline,
|
||||||
|
indent = indent,
|
||||||
|
tableAppearances = countTableAppearances(root)
|
||||||
|
}, Inspector_mt)
|
||||||
|
|
||||||
|
inspector:putValue(root)
|
||||||
|
|
||||||
|
return table.concat(inspector.buffer)
|
||||||
|
end
|
||||||
|
|
||||||
|
setmetatable(inspect, { __call = function(_, ...) return inspect.inspect(...) end })
|
||||||
|
|
||||||
|
return inspect
|
||||||
|
|
||||||
Loading…
Reference in a new issue