WahPlus
cbf25999f0
COMING IN THE FULL RELEASE: - A user system - A functional IPC (Inter-Process Communication) system THINGS CAN AND WILL CHANGE FROM NOW UNTIL THE FINAL RELEASE.
105 lines
3.5 KiB
Lua
105 lines
3.5 KiB
Lua
local fs = require("filesystem")
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local json = require("json")
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local handle, data, tmpdata = fs.open("/halyde/config/shell.json", "r"), "", nil
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repeat
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tmpdata = handle:read(math.huge)
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data = data .. (tmpdata or "")
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until not tmpdata
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handle:close()
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local shellcfg = json.decode(data)
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local component = require("component")
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local gpu = component.gpu
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_G.shell = {}
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_G.shell.workingDirectory = shellcfg["defaultWorkingDirectory"]
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_G.shell.aliases = shellcfg["aliases"]
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local function runAsTask(path, ...)
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--ocelot.log("running " .. path .. " as coroutine")
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tsched.runAsTask(path, ...)
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local corIndex = #tsched.getTasks()
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local task = tsched.getTasks()[#tsched.getTasks()]
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repeat
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coroutine.yield()
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until tsched.getTasks()[corIndex] ~= task
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end
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function _G.shell.run(command)
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checkArg(1, command, "string")
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if shell.aliases[command:match("[^ ]+")] then
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local _, cmdend = command:find("[^ ]+")
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command = shell.aliases[command:match("[^ ]+")] .. command:sub(cmdend + 1)
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end
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local gm, result, args, trimmedCommand = command:gmatch("[^ ]+"), nil, {}, command
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while true do
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result = gm()
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if not result then
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break
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end
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if result:find('"') then
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local location = trimmedCommand:find('"')
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local argBefore = result:sub(1, result:find('"') - 1) -- edge case where there is no space before the quote, get the argument there
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if argBefore and argBefore ~= "" then
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table.insert(args, argBefore)
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end
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trimmedCommand = trimmedCommand:sub(location + 1)
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if trimmedCommand:find('"') then
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table.insert(args, trimmedCommand:sub(1, trimmedCommand:find('"') - 1))
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trimmedCommand = trimmedCommand:sub(trimmedCommand:find('"') + 1)
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gm = trimmedCommand:gmatch('[^ ]+')
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else
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print("\27[91mmalformed shell command")
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return
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end
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else
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table.insert(args, result)
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end
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end
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-- execute the program
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local PATH = table.copy(shellcfg.path)
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table.insert(PATH, shell.workingDirectory)
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if not args[1] then
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return
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end
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if fs.exists(args[1]) and not fs.isDirectory(args[1]) then
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local path = args[1]
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table.remove(args, 1)
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runAsTask(path, table.unpack(args))
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return
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end
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for _, item in pairs(PATH) do
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if fs.exists(item..args[1]) and not fs.isDirectory(item .. args[1]) then
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local path = fs.concat(item, args[1])
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table.remove(args, 1)
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runAsTask(path, table.unpack(args))
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return
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else -- try to look for it without the file extension
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local files = fs.list(item) or {}
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for _, file in pairs(files) do
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-- previous pattern: (.+)%.[^%.]+$
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if args[1] == file:match("(.+)%.[^%.]+$") and not fs.isDirectory(item .. file) then
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table.remove(args, 1)
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runAsTask(item .. file, table.unpack(args))
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return
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end
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end
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end
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end
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print("No such file or command: "..args[1])
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end
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print(shellcfg["startupMessage"]:format(_OSVERSION, shellcfg.splashMessages[math.random(1, #shellcfg.splashMessages)]))
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while true do
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coroutine.yield()
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-- print(shell.workingDirectory .. " >")
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--print(shellcfg["prompt"]:format(shell.workingDirectory),false)
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-- termlib.cursorPosX = #(shell.workingDirectory .. " > ")
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-- termlib.cursorPosY = termlib.cursorPosY - 1
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if shell.workingDirectory:sub(-1, -1) ~= "/" then
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shell.workingDirectory = shell.workingDirectory .. "/"
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end
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local shellCommand = terminal.read("shell", shellcfg.prompt:format(shell.workingDirectory))
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shell.run(shellCommand)
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gpu.freeAllBuffers()
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end
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