Files
Halyde/halyde/core/shell.lua
T
2025-08-17 16:44:40 +03:00

107 lines
3.5 KiB
Lua

local fs = import("filesystem")
local json = import("json")
local handle, data, tmpdata = fs.open("/halyde/config/shell.json", "r"), "", nil
repeat
tmpdata = handle:read(math.huge)
data = data .. (tmpdata or "")
until not tmpdata
handle:close()
local shellcfg = json.decode(data)
import("/halyde/core/termlib.lua")
local event = import("event")
local component = import("component")
local gpu = component.gpu
_G.shell = {}
_G.shell.workingDirectory = shellcfg["defaultWorkingDirectory"]
_G.shell.aliases = shellcfg["aliases"]
local function runAsCoroutine(path, ...)
--ocelot.log("running " .. path .. " as coroutine")
cormgr.loadCoroutine(path, ...)
local corIndex = #cormgr.corList
local cor = cormgr.corList[#cormgr.corList]
repeat
coroutine.yield()
until cormgr.corList[corIndex] ~= cor
end
function _G.shell.run(command)
checkArg(1, command, "string")
if shell.aliases[command:match("[^ ]+")] then
local _, cmdend = command:find("[^ ]+")
command = shell.aliases[command:match("[^ ]+")] .. command:sub(cmdend + 1)
end
local gm, result, args, trimmedCommand = command:gmatch("[^ ]+"), nil, {}, command
while true do
result = gm()
if not result then
break
end
if result:find('"') then
local location = trimmedCommand:find('"')
local argBefore = result:sub(1, result:find('"') - 1) -- edge case where there is no space before the quote, get the argument there
if argBefore and argBefore ~= "" then
table.insert(args, argBefore)
end
trimmedCommand = trimmedCommand:sub(location + 1)
if trimmedCommand:find('"') then
table.insert(args, trimmedCommand:sub(1, trimmedCommand:find('"') - 1))
trimmedCommand = trimmedCommand:sub(trimmedCommand:find('"') + 1)
gm = trimmedCommand:gmatch('[^ ]+')
else
print("\27[91mmalformed shell command")
return
end
else
table.insert(args, result)
end
end
-- execute the program
local PATH = table.copy(shellcfg.path)
table.insert(PATH, shell.workingDirectory)
if not args[1] then
return
end
if fs.exists(args[1]) and not fs.isDirectory(args[1]) then
local path = args[1]
table.remove(args, 1)
runAsCoroutine(path, table.unpack(args))
return
end
for _, item in pairs(PATH) do
if fs.exists(item..args[1]) and not fs.isDirectory(item .. args[1]) then
local path = fs.concat(item, args[1])
table.remove(args, 1)
runAsCoroutine(path, table.unpack(args))
return
else -- try to look for it without the file extension
local files = fs.list(item) or {}
for _, file in pairs(files) do
-- previous pattern: (.+)%.[^%.]+$
if args[1] == file:match("(.+)%.[^%.]+$") and not fs.isDirectory(item .. file) then
table.remove(args, 1)
runAsCoroutine(item .. file, table.unpack(args))
return
end
end
end
end
print("No such file or command: "..args[1])
end
print(shellcfg["startupMessage"]:format(_OSVERSION, shellcfg.splashMessages[math.random(1, #shellcfg.splashMessages)]))
while true do
coroutine.yield()
-- print(shell.workingDirectory .. " >")
--print(shellcfg["prompt"]:format(shell.workingDirectory),false)
-- termlib.cursorPosX = #(shell.workingDirectory .. " > ")
-- termlib.cursorPosY = termlib.cursorPosY - 1
if shell.workingDirectory:sub(-1, -1) ~= "/" then
shell.workingDirectory = shell.workingDirectory .. "/"
end
local shellCommand = read("shell", shellcfg.prompt:format(shell.workingDirectory))
shell.run(shellCommand)
gpu.freeAllBuffers()
end