TheWahlolly
96 lines
3.0 KiB
Lua
96 lines
3.0 KiB
Lua
local shellcfg = import("/halyde/config/shell.cfg")
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import("/halyde/core/termlib.lua")
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local event = import("event")
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--local ocelot = component.proxy(component.list("ocelot")())
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local filesystem = import("filesystem")
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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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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 foundfile = false
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if not args[1] then
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return
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end
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if filesystem.exists(args[1]) then
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foundfile = true
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local path = args[1]
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table.remove(args, 1)
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import(path, table.unpack(args))
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else
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for _, item in pairs(shellcfg["path"]) do
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if filesystem.exists(item..args[1]) then
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foundfile = true
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local path = item..args[1]
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table.remove(args, 1)
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import(path, table.unpack(args))
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break
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else -- try to look for it without the file extension
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local files = filesystem.list(item)
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for _, file in pairs(files) do
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if args[1] == file:match("(.+)%.[^%.]+$") then
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foundfile = true
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table.remove(args, 1)
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local function runCommand()
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import(item..file, table.unpack(args))
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end
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local result, reason = xpcall(runCommand, function(errMsg)
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return errMsg .. "\n\n" .. debug.traceback()
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end)
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if not result then
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print("\27[91m" .. reason)
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end
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break
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end
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end
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end
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end
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end
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if not foundfile then
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print("No such file or command: "..args[1])
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end
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end
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print(shellcfg["startupMessage"])
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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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local shellCommand = read("shell")
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shell.run(shellCommand)
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end
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