ansi code LS_COLORS, blinking, cyan, and multicolor codes

LS_COLORS now respects linux style ansi code list, and /bin/ls has been updated to respect that
cursor blinking ws being reset too often that has been fixed
cyan ideally should be 0x00ffff, but that colors becomes green when switching bit depths. Thus, openos will use 0x00B6FF for ansi code for cyan
fixed some vt100 color list parsing

src/main/resources/assets/opencomputers/loot/openos/bin/edit.lua

@@ -684,4 +684,4 @@ while running do
 end
 
 term.clear()
-term.setCursorBlink(false)
+term.setCursorBlink(true)

src/main/resources/assets/opencomputers/loot/openos/bin/sh.lua

@@ -26,7 +26,6 @@ if #args == 0 then
         dofile("/etc/profile.lua")
       end
       io.write(sh.expand(os.getenv("PS1") or "$ "))
-      tty.setCursorBlink(true)
     end
     local command = io.read()
     if command then

src/main/resources/assets/opencomputers/loot/openos/etc/profile.lua

@@ -5,6 +5,7 @@ local fs = require("filesystem")
 if tty.isAvailable() then
   tty:write("\27[40m\27[37m")
   tty.clear()
+  tty.setCursorBlink(true)
 end
 dofile("/etc/motd")
 
@@ -31,7 +32,7 @@ os.setenv("IFS", " ")
 os.setenv("MANPATH", "/usr/man:.")
 os.setenv("PAGER", "/bin/more")
 os.setenv("PS1", "\27[40m\27[31m$HOSTNAME$HOSTNAME_SEPARATOR$PWD # \27[37m")
-os.setenv("LS_COLORS", "{FILE=0xFFFFFF,DIR=0x66CCFF,LINK=0xFFAA00,['*.lua']=0x00FF00}")
+os.setenv("LS_COLORS", "di=0;36:fi=0:ln=0;33:*.lua=0;32")
 
 shell.setWorkingDirectory(os.getenv("HOME"))
 

src/main/resources/assets/opencomputers/loot/openos/lib/core/devfs/01_hw.lua

@@ -40,8 +40,8 @@ end
 function adapter_api.create_toggle(read, write, switch)
   return
   {
-    read = function() return tostring(read()) end,
-    write = function(value)
+    read = read and function() return tostring(read()) end,
+    write = write and function(value)
       value = text.trim(tostring(value))
       local on = value == "1" or value == "true"
       local off = value == "0" or value == "false"

src/main/resources/assets/opencomputers/loot/openos/lib/core/full_ls.lua

@@ -2,6 +2,8 @@ local fs = require("filesystem")
 local shell = require("shell")
 local tty = require("tty")
 local unicode = require("unicode")
+local tx = require("transforms")
+local text = require("text")
 
 local dirsArg, ops = shell.parse(...)
 
@@ -32,7 +34,6 @@ if #dirsArg == 0 then
 end
 
 local ec = 0
-local gpu = tty.gpu()
 local fOut = tty.isAvailable() and io.output().tty
 local function perr(msg) io.stderr:write(msg,"\n") ec = 2 end
 local function stat(names, index)
@@ -56,42 +57,30 @@ local function stat(names, index)
   return info
 end
 local function toArray(i) local r={} for n in i do r[#r+1]=n end return r end
-local restore_color = function() end
 local set_color = function() end
-local prev_color
-local function colorize() return prev_color end
+local function colorize() return end
 if fOut and not ops["no-color"] then
-  local LSC = os.getenv("LS_COLORS")
-  if type(LSC) == "string" then
-    LSC = require("serialization").unserialize(LSC)
+  local LSC = tx.foreach(text.split(os.getenv("LS_COLORS") or "", {":"}, true), function(e)
+    local parts = text.split(e, {"="}, true)
+    return parts[2], parts[1]
+  end)
+  colorize = function(info)
+    return
+      info.isLink and LSC.ln or
+      info.isDir and LSC.di or
+      LSC['*'..info.ext] or
+      LSC.fi
   end
-  if not LSC then
-    perr("ls: unparsable value for LS_COLORS environment variable")
-  else
-    prev_color = gpu.getForeground()
-    restore_color = function() gpu.setForeground(prev_color) end
-    colorize = function(info)
-      return
-        info.isLink and LSC.LINK or
-        info.isDir and LSC.DIR or
-        LSC['*'..info.ext] or
-        LSC.FILE or
-        prev_color
-    end
-    set_color=function(c)
-      if gpu.getForeground() ~= c then
-        io.stdout:flush()
-        gpu.setForeground(c)
-      end
-    end
+  set_color=function(c)
+    io.write(string.char(0x1b), "[", c or "", "m")
   end
 end
 local msft={reports=0,proxies={}}
 function msft.report(files, dirs, used, proxy)
   local free = proxy.spaceTotal() - proxy.spaceUsed()
-  restore_color()
-  local pattern = "%5i File(s) %11i bytes\n%5i Dir(s)  %11s bytes free\n"
-  io.write(string.format(pattern, files, used, dirs, tostring(free)))
+  set_color()
+  local pattern = "%5i File(s) %s bytes\n%5i Dir(s)  %11s bytes free\n"
+  io.write(string.format(pattern, files, tostring(used), dirs, tostring(free)))
 end
 function msft.tail(names)
   local fsproxy = fs.get(names.path)
@@ -123,7 +112,7 @@ function msft.final()
   for proxy,report in pairs(msft.proxies) do
     table.insert(groups, {proxy=proxy,report=report})
   end
-  restore_color()
+  set_color()
   print("Total Files Listed:")
   for _,pair in ipairs(groups) do
     local proxy, report = pair.proxy, pair.report
@@ -263,7 +252,7 @@ local function display(names)
       local format = "%s-r%s %+"..tostring(max_size_width).."s %"..tostring(max_date_width).."s"
       local meta = string.format(format, file_type, write_mode, size, modDate)
       local item = info.name..link_target
-      return {{color = prev_color, name = meta}, {color = colorize(info), name = item}}
+      return {{name = meta}, {color = colorize(info), name = item}}
     end
   elseif ops["1"] or not fOut then
     lines.n = #names
@@ -332,7 +321,7 @@ local header = function() end
 if #dirsArg > 1 or ops.R then
   header = function(path)
     if not first_display then print() end
-    restore_color()
+    set_color()
     io.write(path,":\n")
   end
 end
@@ -366,11 +355,20 @@ for _,dir in ipairs(dirsArg) do
     table.insert(file_set, dir)
   end
 end
+
 io.output():setvbuf("line")
-if #file_set > 0 then display(sort(file_set)) end
-displayDirList(dir_set)
-msft.final()
+
+local ok, msg = pcall(function()
+  if #file_set > 0 then display(sort(file_set)) end
+  displayDirList(dir_set)
+  msft.final()
+end)
+
 io.output():flush()
 io.output():setvbuf("no")
-restore_color()
+set_color()
+
+assert(ok, msg)
+
 return ec
+

src/main/resources/assets/opencomputers/loot/openos/lib/tty.lua

@@ -352,7 +352,8 @@ function tty.write(_, value)
         value = window.ansi_escape:sub(5)
       end
       for _,catt in ipairs(color_attributes) do
-        local colors = {0x0,0xff0000,0x00ff00,0xffff00,0x0000ff,0xff00ff,0x00ffff,0xffffff}
+        -- B6 is closer to cyan in 4 bit color
+        local colors = {0x0,0xff0000,0x00ff00,0xffff00,0x0000ff,0xff00ff,0x00B6ff,0xffffff}
         catt = catt - 29
         local method = "setForeground"
         if catt > 10 then

src/main/resources/assets/opencomputers/loot/openos/lib/vt100.lua

@@ -25,7 +25,10 @@ local rules = {}
 -- [%d+;%d+;..%d+m
 rules[{"%[", "[%d;]*", "m"}] = function(_, _, number_text)
   local numbers = {}
-  number_text:gsub("[^;]*", function(num)
+  -- add a ; at the end to recompute trailing ; as resets
+  -- e.g. \27[41;m is actually 41 followed by a reset
+  (number_text..";"):gsub("([^;]*);?", function(num)
+    -- if not n this could simply be a ; separator
     local n = tonumber(num) or 0
     if n == 0 then
       numbers[#numbers + 1] = 40