move apis into rom/modules/main for shell compatibility
This commit is contained in:
kepler155c@gmail.com
205
sys/modules/opus/injector.lua
Normal file
205
sys/modules/opus/injector.lua
Normal file
@@ -0,0 +1,205 @@
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local PASTEBIN_URL = 'http://pastebin.com/raw'
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local GIT_URL = 'https://raw.githubusercontent.com'
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local function split(str, pattern)
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local t = { }
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local function helper(line) table.insert(t, line) return "" end
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helper((str:gsub(pattern, helper)))
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return t
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end
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local hasMain
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local luaPaths = package and package.path and split(package.path, '(.-);') or { }
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for i = 1, #luaPaths do
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if luaPaths[i] == '?' or luaPaths[i] == '?.lua' then
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luaPaths[i] = nil
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elseif string.find(luaPaths[i], '/rom/modules/main') then
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hasMain = true
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end
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end
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table.insert(luaPaths, 1, '?.lua')
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table.insert(luaPaths, 2, '?/init.lua')
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table.insert(luaPaths, 3, '/usr/modules/?.lua')
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table.insert(luaPaths, 4, '/usr/modules/?/init.lua')
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table.insert(luaPaths, 5, '/sys/modules/?.lua')
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table.insert(luaPaths, 6, '/sys/modules/?/init.lua')
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local DEFAULT_PATH = table.concat(luaPaths, ';')
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if not hasMain then
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DEFAULT_PATH = DEFAULT_PATH .. ';/rom/modules/main/?;/rom/modules/main/?.lua;/rom/modules/main/?/init.lua'
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end
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local fs = _G.fs
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local http = _G.http
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local os = _G.os
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local string = _G.string
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--[[
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if not http._patched then
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-- fix broken http get (http.get is not coroutine safe)
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local syncLocks = { }
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local function sync(obj, fn)
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local key = tostring(obj)
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if syncLocks[key] then
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local cos = tostring(coroutine.running())
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table.insert(syncLocks[key], cos)
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repeat
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local _, co = os.pullEvent('sync_lock')
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until co == cos
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else
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syncLocks[key] = { }
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end
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fn()
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local co = table.remove(syncLocks[key], 1)
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if co then
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os.queueEvent('sync_lock', co)
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else
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syncLocks[key] = nil
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end
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end
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-- todo -- completely replace http.get with function that
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-- checks for success on permanent redirects (minecraft 1.75 bug)
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http._patched = http.get
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function http.get(url, headers)
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local s, m
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sync(url, function()
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s, m = http._patched(url, headers)
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end)
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return s, m
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end
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end
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--]]
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local function loadUrl(url)
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local c
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local h = http.get(url)
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if h then
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c = h.readAll()
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h.close()
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end
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if c and #c > 0 then
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return c
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end
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end
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-- Add require and package to the environment
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return function(env)
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local function preloadSearcher(modname)
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if env.package.preload[modname] then
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return function()
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return env.package.preload[modname](modname, env)
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end
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end
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end
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local function loadedSearcher(modname)
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if env.package.loaded[modname] then
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return function()
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return env.package.loaded[modname]
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end
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end
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end
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local sentinel = { }
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local function pathSearcher(modname)
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if env.package.loaded[modname] == sentinel then
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error("loop or previous error loading module '" .. modname .. "'", 0)
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end
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env.package.loaded[modname] = sentinel
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local fname = modname:gsub('%.', '/')
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for pattern in string.gmatch(env.package.path, "[^;]+") do
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local sPath = string.gsub(pattern, "%?", fname)
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-- TODO: if there's no shell, we should not be checking relative paths below
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-- as they will resolve to root directory
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if sPath:match("^(https?:)") then
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local c = loadUrl(sPath)
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if c then
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return load(c, modname, nil, env)
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end
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else
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if env.shell and
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type(env.shell.getRunningProgram) == 'function' and
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sPath:sub(1, 1) ~= "/" then
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sPath = fs.combine(fs.getDir(env.shell.getRunningProgram() or ''), sPath)
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end
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if fs.exists(sPath) and not fs.isDir(sPath) then
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return loadfile(sPath, env)
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end
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end
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end
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end
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-- require('BniCQPVf')
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local function pastebinSearcher(modname)
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if #modname == 8 and not modname:match('%W') then
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local url = PASTEBIN_URL .. '/' .. modname
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local c = loadUrl(url)
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if c then
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return load(c, modname, nil, env)
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end
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end
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end
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-- require('kepler155c.opus.master.sys.apis.util')
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local function gitSearcher(modname)
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local fname = modname:gsub('%.', '/') .. '.lua'
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local _, count = fname:gsub("/", "")
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if count >= 3 then
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local url = GIT_URL .. '/' .. fname
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local c = loadUrl(url)
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if c then
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return load(c, modname, nil, env)
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end
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end
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end
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-- place package and require function into env
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env.package = {
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path = env.LUA_PATH or _G.LUA_PATH or DEFAULT_PATH,
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config = '/\n:\n?\n!\n-',
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preload = { },
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loaded = {
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coroutine = coroutine,
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io = io,
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math = math,
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os = os,
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string = string,
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table = table,
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},
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loaders = {
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preloadSearcher,
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loadedSearcher,
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pathSearcher,
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pastebinSearcher,
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gitSearcher,
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}
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}
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function env.require(modname)
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for _,searcher in ipairs(env.package.loaders) do
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local fn, msg = searcher(modname)
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if fn then
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local module, msg2 = fn(modname, env)
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if not module then
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error(msg2 or (modname .. ' module returned nil'), 2)
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end
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env.package.loaded[modname] = module
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return module
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end
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if msg then
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error(msg, 2)
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end
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end
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error('Unable to find module ' .. modname, 2)
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end
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return env.require -- backwards compatible
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end
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