From 109c0beffb4ffa576615b34dd7b5bfe347a51cf2 Mon Sep 17 00:00:00 2001
From: TheWahlolly <justexobyte@gmail.com>
Date: Sun, 27 Apr 2025 10:13:12 +0300
Subject: [PATCH] v0.7.0 - Added basic CLI tools: ls, cd, cp, mv, rm, lua

---
 halyde/apps/cat.lua              | 17 ++++++
 halyde/apps/cd.lua               | 26 +++++++++
 halyde/apps/clear.lua            |  2 +
 halyde/apps/cp.lua               | 25 +++++++++
 halyde/apps/fetch.lua            |  1 +
 halyde/apps/helpdb/cat.txt       |  1 +
 halyde/apps/ls.lua               | 70 +++++++++++++++++++++++
 halyde/apps/lua.lua              | 19 +++++++
 halyde/apps/mv.lua               | 25 +++++++++
 halyde/apps/rm.lua               | 12 ++++
 halyde/config/shell.cfg          | 12 +++-
 halyde/core/boot.lua             |  2 +-
 halyde/core/cormgr.lua           |  2 +-
 halyde/core/datatools.lua        | 25 ++++++++-
 halyde/core/shell.lua            | 17 +++---
 halyde/{lib => core}/termlib.lua |  1 +
 halyde/lib/component.lua         |  9 ++-
 halyde/lib/filesystem.lua        | 95 +++++++++++++++++++++++++++++++-
 init.lua                         |  2 +-
 19 files changed, 347 insertions(+), 16 deletions(-)
 create mode 100644 halyde/apps/cat.lua
 create mode 100644 halyde/apps/cd.lua
 create mode 100644 halyde/apps/clear.lua
 create mode 100644 halyde/apps/cp.lua
 create mode 100644 halyde/apps/fetch.lua
 create mode 100644 halyde/apps/helpdb/cat.txt
 create mode 100644 halyde/apps/ls.lua
 create mode 100644 halyde/apps/lua.lua
 create mode 100644 halyde/apps/mv.lua
 create mode 100644 halyde/apps/rm.lua
 rename halyde/{lib => core}/termlib.lua (99%)

diff --git a/halyde/apps/cat.lua b/halyde/apps/cat.lua
new file mode 100644
index 0000000..3caffd3
--- /dev/null
+++ b/halyde/apps/cat.lua
@@ -0,0 +1,17 @@
+local args = {...}
+local file = args[1]
+args = nil
+local fs = import("filesystem")
+
+if file:sub(1, 1) ~= "/" then
+  file = shell.workingDirectory .. file
+end
+if not fs.exists(file) then
+  print("\27[91mFile does not exist.")
+end
+local handle = fs.open(file, "r")
+local data
+repeat
+  data = handle:read(math.huge or math.maxinteger)
+  print(data, false)
+until not data
diff --git a/halyde/apps/cd.lua b/halyde/apps/cd.lua
new file mode 100644
index 0000000..a4c08b3
--- /dev/null
+++ b/halyde/apps/cd.lua
@@ -0,0 +1,26 @@
+local args = {...}
+local directory = args[1]
+args = nil
+local fs = import("filesystem")
+
+if directory == ".." then
+  local backDirectory = shell.workingDirectory:match("(.+)/.-/")
+  if backDirectory then
+    backDirectory = backDirectory .. "/"
+  else
+    backDirectory = "/"
+  end
+  shell.workingDirectory = backDirectory
+else
+  if directory:sub(-1, -1) ~= "/" then
+    directory = directory .. "/"
+  end
+  if directory:sub(1, 1) ~= "/" then
+    directory = shell.workingDirectory .. directory
+  end
+  if fs.exists(directory) and fs.isDirectory(directory) or fs.exists(shell.workingDirectory .. directory) and fs.isDirectory(shell.workingDirectory .. directory) then
+    shell.workingDirectory = directory
+  else
+    print("error: no such directory")
+  end
+end
diff --git a/halyde/apps/clear.lua b/halyde/apps/clear.lua
new file mode 100644
index 0000000..12b9b4e
--- /dev/null
+++ b/halyde/apps/clear.lua
@@ -0,0 +1,2 @@
+clear()
+-- truly so much going on here
diff --git a/halyde/apps/cp.lua b/halyde/apps/cp.lua
new file mode 100644
index 0000000..f9e1ac4
--- /dev/null
+++ b/halyde/apps/cp.lua
@@ -0,0 +1,25 @@
+local args = {...}
+local fromFile, toFile = args[1], args[2]
+args = nil
+local fs = import("filesystem")
+
+if fromFile:sub(1, 1) ~= "/" then
+  fromFile = shell.workingDirectory .. fromFile
+end
+if toFile:sub(1, 1) ~= "/" then
+  toFile = shell.workingDirectory .. toFile
+end
+if fromFile == toFile then
+  print("\27[91mSource and destination are the same.")
+end
+if not fs.exists(fromFile) then
+  print("\27[91mSource file does not exist.")
+end
+if fs.exists(toFile) then
+  print("Destination file already exists. Overwrite it? [Y/n] ", false)
+  if read():lower() == "n" then
+    print("Aborted.")
+    return
+  end
+end
+fs.copy(fromFile, toFile)
diff --git a/halyde/apps/fetch.lua b/halyde/apps/fetch.lua
new file mode 100644
index 0000000..b2279bb
--- /dev/null
+++ b/halyde/apps/fetch.lua
@@ -0,0 +1 @@
+print("\27[40m  \27[41m  \27[42m  \27[43m  \27[44m  \27[45m  \27[46m  \27[47m  \n\27[100m  \27[101m  \27[102m  \27[103m  \27[104m  \27[105m  \27[106m  \27[107m  ")
diff --git a/halyde/apps/helpdb/cat.txt b/halyde/apps/helpdb/cat.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/halyde/apps/helpdb/cat.txt
@@ -0,0 +1 @@
+
diff --git a/halyde/apps/ls.lua b/halyde/apps/ls.lua
new file mode 100644
index 0000000..97fd62d
--- /dev/null
+++ b/halyde/apps/ls.lua
@@ -0,0 +1,70 @@
+local args = {...}
+local target = args[1]
+args = nil
+local fs = import("filesystem")
+local maxLength = 0
+local margin = 2 -- minimum space between filename and size
+local dirTable = {}
+local fileTable = {}
+
+if target then
+  if target:sub(1, 1) ~= "/" then
+    target = shell.workingDirectory .. target
+  end
+  if target:sub(-1, -1) ~= "/" then
+    target = target .. "/"
+  end
+else
+  target = shell.workingDirectory
+end
+
+local files = fs.list(target)
+
+for _, file in pairs(files) do
+  if file:sub(-1, -1) == "/" then
+    table.insert(dirTable, file)
+    file = file:sub(1, -2)
+  else
+    table.insert(fileTable, file)
+  end
+  if unicode.wlen(file) > maxLength then
+    maxLength = unicode.wlen(file)
+  end
+end
+table.sort(dirTable)
+table.sort(fileTable)
+files = {}
+for _, v in ipairs(dirTable) do
+  table.insert(files, v)
+end
+for _, v in ipairs(fileTable) do
+  table.insert(files, v)
+end
+dirTable, fileTable = nil, nil
+for _, file in ipairs(files) do
+  local dir = false
+  local filetext
+  if file:sub(-1, -1) == "/" then -- i think this is a more efficient way to check if it's a directory
+    dir = true
+    filetext = "\27[93m"..file:sub(1, -2)
+  elseif file:find(".") and file:match("[^.]+$") == "lua" then
+    filetext = "\27[92m"..file
+  end
+  filetext = (filetext or file)..string.rep(" ", maxLength - unicode.wlen(file) + margin)
+  if dir then
+    print(filetext.." \27[0m[DIR]")
+  else
+    local size = fs.size(target .. file)
+    local sizeString
+    if convert(size, "B", "GiB") >= 1 then
+      sizeString = tostring(math.floor(convert(size, "B", "GiB") * 100 + 0.5) / 100).." GiB"
+    elseif convert(size, "B", "MiB") >= 1 then
+      sizeString = tostring(math.floor(convert(size, "B", "MiB") * 100 + 0.5) / 100).." MiB"
+    elseif convert(size, "B", "KiB") >= 1 then
+      sizeString = tostring(math.floor(convert(size, "B", "KiB") * 100 + 0.5) / 100).." KiB"
+    else
+      sizeString = tostring(size).." B"
+    end
+    print(filetext.."\27[0m"..sizeString)
+  end
+end
diff --git a/halyde/apps/lua.lua b/halyde/apps/lua.lua
new file mode 100644
index 0000000..d503be3
--- /dev/null
+++ b/halyde/apps/lua.lua
@@ -0,0 +1,19 @@
+print("\27[44m".._VERSION.."\27[0m shell")
+print('Type "exit" to exit.')
+while true do
+  print("\27[44mlua>\27[0m ", false)
+  local command = read()
+  if command == "exit" then
+    return
+  else
+    local function runCommand()
+      assert(load(command))()
+    end
+    local result, reason = xpcall(runCommand, function(errMsg)
+      return errMsg .. "\n\n" .. debug.traceback()
+    end)
+    if not result then
+      print("\27[91m" .. reason)
+    end
+  end
+end
diff --git a/halyde/apps/mv.lua b/halyde/apps/mv.lua
new file mode 100644
index 0000000..ba8b51e
--- /dev/null
+++ b/halyde/apps/mv.lua
@@ -0,0 +1,25 @@
+local args = {...}
+local fromFile, toFile = args[1], args[2]
+args = nil
+local fs = import("filesystem")
+
+if fromFile:sub(1, 1) ~= "/" then
+  fromFile = shell.workingDirectory .. fromFile
+end
+if toFile:sub(1, 1) ~= "/" then
+  toFile = shell.workingDirectory .. toFile
+end
+if fromFile == toFile then
+  print("\27[91mSource and destination are the same.")
+end
+if not fs.exists(fromFile) then
+  print("\27[91mSource file does not exist.")
+end
+if fs.exists(toFile) then
+  print("Destination file already exists. Overwrite it? [Y/n] ", false)
+  if read():lower() == "n" then
+    print("Aborted.")
+    return
+  end
+end
+fs.rename(fromFile, toFile)
diff --git a/halyde/apps/rm.lua b/halyde/apps/rm.lua
new file mode 100644
index 0000000..a484664
--- /dev/null
+++ b/halyde/apps/rm.lua
@@ -0,0 +1,12 @@
+local args = {...}
+local file = args[1]
+args = nil
+local fs = import("filesystem")
+
+if file:sub(1, 1) ~= "/" then
+  file = shell.workingDirectory .. file
+end
+if not fs.exists(file) then
+  print("\27[91mFile does not exist.")
+end
+fs.remove(file)
diff --git a/halyde/config/shell.cfg b/halyde/config/shell.cfg
index e62ce6b..6eebc8b 100644
--- a/halyde/config/shell.cfg
+++ b/halyde/config/shell.cfg
@@ -2,7 +2,17 @@ local shellcfg = {
   ["startupMessage"] = "\n │\n │ ".._OSVERSION.." running on ".._VERSION..'\n │ Welcome! Type "help" to get started.\n │\n ', -- message shown on startup
   ["prompt"] = "\x1b[92m%s > \x1b[0m", -- shell prompt, %s will be replaced with working directory. example: "%s > " turns to "/current/working/directory > "
   ["path"] = { -- default locations where programs will be run from
-    "/halyde/apps/"}
+    "/halyde/apps/"
+  }, ["aliases"] = { -- shell command aliases
+    ["copy"] = "cp",
+    ["move"] = "mv",
+    ["rename"] = "mv",
+    ["ren"] = "mv",
+    ["dir"] = "ls",
+    ["man"] = "help",
+    ["del"] = "rm",
+    [".."] = "cd .."
+  }, ["defaultWorkingDirectory"] = "/home/" -- the working directory that gets set when halyde starts
 }
 
 return shellcfg
diff --git a/halyde/core/boot.lua b/halyde/core/boot.lua
index da01491..1f97c68 100644
--- a/halyde/core/boot.lua
+++ b/halyde/core/boot.lua
@@ -1,7 +1,7 @@
 local loadfile = ...
 local filesystem = loadfile("/halyde/lib/filesystem.lua")(loadfile)
 
-_G._OSVERSION = "Halyde 0.6.0"
+_G._OSVERSION = "Halyde 0.7.0"
 
 function _G.import(module, ...)
   local args = table.pack(...)
diff --git a/halyde/core/cormgr.lua b/halyde/core/cormgr.lua
index 053fab0..3f7e4f2 100644
--- a/halyde/core/cormgr.lua
+++ b/halyde/core/cormgr.lua
@@ -28,7 +28,7 @@ local function runCoroutines()
     end
     if coroutine.status(_G.cormgr.corList[i]) == "dead" then
       table.remove(_G.cormgr.corList, i)
-      break
+      i = i - 1
     end
     --computer.pullSignal(0)
     --coroutine.yield()
diff --git a/halyde/core/datatools.lua b/halyde/core/datatools.lua
index e958ed5..e56d591 100644
--- a/halyde/core/datatools.lua
+++ b/halyde/core/datatools.lua
@@ -1,7 +1,21 @@
+local conversionTables = {
+  ["bytes"] = {
+    ["B"] = 1,
+    ["KB"] = 1000,
+    ["MB"] = 1000000,
+    ["GB"] = 1000000000
+  }, ["bibytes"] = {
+    ["B"] = 1,
+    ["KiB"] = 1024,
+    ["MiB"] = 1048576,
+    ["GiB"] = 1073741824
+  }
+}
+
 function table.find(table, item)
   for k, v in pairs(table) do
     if v == item then
-      return(v)
+      return k
     end
   end
 end
@@ -20,3 +34,12 @@ function table.copy(orig)
   end
   return copy
 end
+
+function convert(amount, fromUnit, toUnit)
+  for _, convTable in pairs(conversionTables) do
+    if convTable[toUnit] then
+      return amount / convTable[toUnit] * convTable[fromUnit]
+    end
+  end
+  return false, "unit does not exist"
+end
diff --git a/halyde/core/shell.lua b/halyde/core/shell.lua
index d2c6afa..6f78ef3 100644
--- a/halyde/core/shell.lua
+++ b/halyde/core/shell.lua
@@ -1,15 +1,19 @@
 local shellcfg = import("/halyde/config/shell.cfg")
-import("termlib")
+import("/halyde/core/termlib.lua")
 local event = import("event")
-local ocelot = component.proxy(component.list("ocelot")())
+--local ocelot = component.proxy(component.list("ocelot")())
 local filesystem = import("filesystem")
 
 _G.shell = {}
-_G.shell.workingDirectory = "/"
+_G.shell.workingDirectory = shellcfg["defaultWorkingDirectory"]
+_G.shell.aliases = shellcfg["aliases"]
 
 local function parseCommand(command)
-  checkArg(1, command, "string")
-  local gm, result, args, trimmedCommand = command:gmatch('[^ ]+'), nil, {}, command
+  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
@@ -63,7 +67,7 @@ local function parseCommand(command)
     end
   end
   if not foundfile then
-    print("no such file or command: "..args[1])
+    print("No such file or command: "..args[1])
   end
 end
 
@@ -75,6 +79,5 @@ while true do
   -- termlib.cursorPosX = #(shell.workingDirectory .. " >  ")
   -- termlib.cursorPosY = termlib.cursorPosY - 1
   local shellCommand = read()
-  ocelot.log("parsing "..shellCommand)
   parseCommand(shellCommand)
 end
diff --git a/halyde/lib/termlib.lua b/halyde/core/termlib.lua
similarity index 99%
rename from halyde/lib/termlib.lua
rename to halyde/core/termlib.lua
index 9fe81ff..441f327 100644
--- a/halyde/lib/termlib.lua
+++ b/halyde/core/termlib.lua
@@ -73,6 +73,7 @@ function _G.print(text,endNewLine)
   if not text or not tostring(text) then
     return
   end
+  text = "\27[0m" .. text:gsub("\t", "  ")
   text = tostring(text)
   readBreak = 0
   -- readBreak is for when, inside the for loop, there normally would have been an increase in the "i" variable because it has read more than one character.
diff --git a/halyde/lib/component.lua b/halyde/lib/component.lua
index 5a35e8f..b9c7e55 100644
--- a/halyde/lib/component.lua
+++ b/halyde/lib/component.lua
@@ -1,4 +1,9 @@
-local componentlib = {}
+local componentlib
+if table.copy then
+  componentlib = table.copy(component)
+else
+  componentlib = {}
+end
 
 function componentlib.get(address)
   checkArg(1, address, "string")
@@ -14,4 +19,4 @@ end
 
 componentlib.invoke = component.invoke
 
-return(componentlib)
\ No newline at end of file
+return(componentlib)
diff --git a/halyde/lib/filesystem.lua b/halyde/lib/filesystem.lua
index 6dfa5fc..a5c2b72 100644
--- a/halyde/lib/filesystem.lua
+++ b/halyde/lib/filesystem.lua
@@ -3,7 +3,7 @@ local component
 
 if loadfile then
   component = loadfile("/halyde/lib/component.lua")(loadfile)
-else
+elseif import then
   component = import("component")
 end
 
@@ -67,11 +67,102 @@ function filesystem.open(path, mode) -- opens a file and returns its handle
 end
 
 function filesystem.list(path)
+  checkArg(1, path, "string")
+  if path == "/mnt/" then
+    -- list drives
+    local returnTable = {}
+    for address, _ in component.list("filesystem") do
+      table.insert(returnTable, address:sub(1, 3) .. "/")
+    end
+    return returnTable
+  else
+    local address, absPath = filesystem.processPath(path)
+    if not address then
+      return false
+    end
+    return component.invoke(address, "list", absPath)
+  end
+end
+
+function filesystem.size(path)
   checkArg(1, path, "string")
   local address, absPath = filesystem.processPath(path)
   if not address then
     return false
   end
-  return component.invoke(address, "list", absPath)
+  return component.invoke(address, "size", absPath)
 end
+
+function filesystem.isDirectory(path)
+  checkArg(1, path, "string")
+  local address, absPath = filesystem.processPath(path)
+  if not address then
+    return false
+  end
+  return component.invoke(address, "isDirectory", absPath)
+end
+
+function filesystem.rename(fromPath, toPath)
+  checkArg(1, fromPath, "string")
+  checkArg(2, toPath, "string")
+  local fromAddress, fromAbsPath = filesystem.processPath(fromPath)
+  local toAddress, toAbsPath = filesystem.processPath(toPath)
+  if not fromAddress or not toAddress then
+    return false
+  end
+  if fromAddress == toAddress then
+    return component.invoke(fromAddress, "rename", fromAbsPath, toAbsPath)
+  else
+    local handle = component.invoke(fromAddress, "open", fromAbsPath, "r")
+    local data, tmpdata
+    repeat
+      tmpdata = component.invoke(fromAddress, "read", handle, math.huge or math.maxinteger)
+      data = data .. (tmpdata or "")
+    until not tmpdata
+    tmpdata = component.invoke(fromAddress, "close", handle)
+    local handle = component.invoke(toAddress, "open", toAbsPath, "w")
+    component.invoke(toAddress, "write", handle, data)
+    component.invoke(toAddress, "close", handle)
+    component.invoke(fromAddress, "remove", fromAbsPath)
+  end
+end
+
+function filesystem.copy(fromPath, toPath)
+  checkArg(1, fromPath, "string")
+  checkArg(2, toPath, "string")
+  local fromAddress, fromAbsPath = filesystem.processPath(fromPath)
+  local toAddress, toAbsPath = filesystem.processPath(toPath)
+  if not fromAddress or not toAddress then
+    return false
+  end
+  local handle = component.invoke(fromAddress, "open", fromAbsPath, "r")
+  local data, tmpdata = "", nil
+  repeat
+    tmpdata = component.invoke(fromAddress, "read", handle, math.huge or math.maxinteger)
+    data = data .. (tmpdata or "")
+  until not tmpdata
+  tmpdata = component.invoke(fromAddress, "close", handle)
+  local handle = component.invoke(toAddress, "open", toAbsPath, "w")
+  component.invoke(toAddress, "write", handle, data)
+  component.invoke(toAddress, "close", handle)
+end
+
+function filesystem.isDirectory(path)
+  checkArg(1, path, "string")
+  local address, absPath = filesystem.processPath(path)
+  if not address then
+    return false
+  end
+  return component.invoke(address, "isDirectory", absPath)
+end
+
+function filesystem.remove(path)
+  checkArg(1, path, "string")
+  local address, absPath = filesystem.processPath(path)
+  if not address then
+    return false
+  end
+  return component.invoke(address, "remove", absPath)
+end
+
 return(filesystem)
diff --git a/init.lua b/init.lua
index 7232f03..12f2b76 100644
--- a/init.lua
+++ b/init.lua
@@ -10,7 +10,7 @@ local function loadfile(file)
     data = data .. (tmpdata or "")
   until not tmpdata
   component.invoke(computer.getBootAddress(), "close", handle)
-  return(assert(load(data, "=" .. file)))
+  return assert(load(data, "=" .. file))
 end
 
 local function handleError(errorMessage)