TheWahlolly
264 lines
8.3 KiB
Lua
264 lines
8.3 KiB
Lua
local event = import("event")
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--local keyboard = import("keyboard")
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--local ocelot = component.proxy(component.list("ocelot")())
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local gpu = component.proxy(component.list("gpu")()) -- replace with component.gpu once implemented
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_G.termlib = {}
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termlib.cursorPosX = 1
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termlib.cursorPosY = 1
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termlib.readHistory = {}
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local width, height = gpu.getResolution()
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local ANSIColorPalette = {
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["dark"] = {
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[0] = 0x000000,
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[1] = 0x800000,
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[2] = 0x008000,
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[3] = 0x808000,
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[4] = 0x000080,
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[5] = 0x800080,
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[6] = 0x008080,
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[7] = 0xC0C0C0
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},
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["bright"] = {
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[0] = 0x808080,
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[1] = 0xFF0000,
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[2] = 0x00FF00,
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[3] = 0xFFFF00,
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[4] = 0x0000FF,
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[5] = 0xFF00FF,
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[6] = 0x00FFFF,
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[7] = 0xFFFFFF
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}
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}
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defaultForegroundColor = ANSIColorPalette["bright"][7]
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defaultBackgroundColor = ANSIColorPalette["dark"][0]
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gpu.setForeground(defaultForegroundColor)
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gpu.setBackground(defaultBackgroundColor)
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local function scrollDown()
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width, height = gpu.getResolution()
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if gpu.copy(1,1,width,height,0,-1) then
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local prevForeground = gpu.getForeground()
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local prevBackground = gpu.getBackground()
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gpu.setForeground(defaultForegroundColor)
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gpu.setBackground(defaultBackgroundColor)
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gpu.fill(1, height, width, 1, " ")
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gpu.setForeground(prevForeground)
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gpu.setBackground(prevBackground)
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termlib.cursorPosY=height
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end
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end
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local function newLine()
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termlib.cursorPosX=1
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termlib.cursorPosY = termlib.cursorPosY + 1
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if termlib.cursorPosY>height then
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scrollDown()
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end
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end
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local function parseCodeNumbers(code)
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o = {}
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for num in code:sub(3,-2):gmatch("[^;]+") do
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table.insert(o,tonumber(num))
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end
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return o
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end
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function _G.print(text, endNewLine, textWrap)
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width, height = gpu.getResolution()
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-- you don't know how tiring this was just for ANSI escape code support
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if endNewLine == nil then
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endNewLine = true
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end
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if textWrap == nil then
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textWrap = true
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end
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if not text or not tostring(text) then
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return
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end
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if text:find("\a") then
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computer.beep()
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end
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text = "\27[0m" .. text:gsub("\t", " ")
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text = tostring(text)
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readBreak = 0
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-- 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.
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-- unfortunately, changing the "i" variable would have unpredictable effects, so to not risk anything, this workaround was done.
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section = ""
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local function printSection()
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if #section==0 then
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return
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end
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while true do
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gpu.set(termlib.cursorPosX,termlib.cursorPosY,section)
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if unicode.wlen(section) > width - termlib.cursorPosX + 1 and textWrap then
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section = section:sub(width - termlib.cursorPosX + 2)
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newLine()
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else
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termlib.cursorPosX = termlib.cursorPosX+unicode.wlen(section)
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break
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end
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end
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section = ""
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end
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for i=1,#text do
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if readBreak>0 then
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readBreak = readBreak - 1
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goto continue
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end
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if string.byte(text,i)==10 then
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printSection()
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newLine()
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elseif string.byte(text,i)==13 then
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printSection()
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termlib.cursorPosX=1
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elseif string.byte(text,i)==0x1b and i<=#text-2 then
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printSection()
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--ocelot.log("0x1b char detected")
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codeType = string.sub(text,i+1,i+1)
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if codeType=="[" then
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-- Control Sequence Introducer
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--ocelot.log("Control Sequence Introducer")
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codeEndIdx = string.find(text,"m",i)
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code = string.sub(text,i,codeEndIdx)
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--ocelot.log("Code: "..code.." ("..i..", "..codeEndIdx..")")
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readBreak = readBreak + #code - 1
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nums = parseCodeNumbers(code)
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codeEnd = code:sub(-1)
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--ocelot.log("Code end: "..codeEnd..", "..#codeEnd)
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if codeEnd == "m" then
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-- Select Graphic Rendition
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--ocelot.log("Select Graphic Rendition, ID "..nums[1])
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if nums[1]>=30 and nums[1]<=37 then
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gpu.setForeground(ANSIColorPalette["dark"][nums[1]%10])
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end
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if nums[1]==39 or nums[1]==0 then
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gpu.setForeground(defaultForegroundColor)
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end
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if nums[1]>=40 and nums[1]<=47 then
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gpu.setBackground(ANSIColorPalette["dark"][nums[1]%10])
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end
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if nums[1]==49 or nums[1]==0 then
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gpu.setBackground(defaultBackgroundColor)
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end
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if nums[1]>=90 and nums[1]<=97 then
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gpu.setForeground(ANSIColorPalette["bright"][nums[1]%10])
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end
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if nums[1]>=100 and nums[1]<=107 then
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gpu.setBackground(ANSIColorPalette["bright"][nums[1]%10])
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end
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end
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end
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else
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--gpu.set(termlib.cursorPosX,termlib.cursorPosY,string.sub(text,i,i))
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section = section..string.sub(text,i,i)
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end
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::continue::
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end
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printSection()
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if endNewLine then
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newLine()
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end
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end
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function _G.clear()
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width, height = gpu.getResolution()
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gpu.setForeground(defaultForegroundColor)
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gpu.setBackground(defaultBackgroundColor)
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gpu.fill(1,1,width,height," ")
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termlib.cursorPosX, termlib.cursorPosY = 1, 1
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end
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function _G.read(readHistoryType, prefix, defaultText)
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checkArg(1, readHistoryType, "string", "nil")
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checkArg(2, prefix, "string", "nil")
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checkArg(3, defaultText, "string", "nil")
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local curtext = defaultText or ""
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local prefix = prefix or ""
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local RHIndex
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if readHistoryType then
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if not termlib.readHistory[readHistoryType] then
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termlib.readHistory[readHistoryType] = {curtext}
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elseif termlib.readHistory[readHistoryType][#termlib.readHistory[readHistoryType]] ~= "" then
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table.insert(termlib.readHistory[readHistoryType], curtext)
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end
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RHIndex = #termlib.readHistory[readHistoryType] -- read history index
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end
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local cursorPosX, cursorPosY = termlib.cursorPosX, termlib.cursorPosY
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print(prefix .. curtext .. "\27[107m ", false)
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local cursorWhite = true
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while true do
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--ocelot.log(curtext)
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termlib.cursorPosX = termlib.cursorPosX - 1
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local args = {event.pull("key_down", 0.5)}
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if args[4] then
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cursorWhite = true
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local keycode = args[4]
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local key = keyboard.keys[keycode]
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if key == "up" and readHistoryType then
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termlib.cursorPosX, termlib.cursorPosY = cursorPosX, cursorPosY
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print(prefix .. curtext .. " ", false)
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RHIndex = RHIndex - 1
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if RHIndex <= 0 then
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RHIndex = 1
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end
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termlib.cursorPosX, termlib.cursorPosY = cursorPosX, cursorPosY
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print(prefix .. termlib.readHistory[readHistoryType][RHIndex] .. string.rep(" ", unicode.wlen(curtext) - unicode.wlen(termlib.readHistory[readHistoryType][RHIndex])), false)
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curtext = termlib.readHistory[readHistoryType][RHIndex]
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end
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if key == "down" and readHistoryType then
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termlib.cursorPosX, termlib.cursorPosY = cursorPosX, cursorPosY
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print(prefix .. curtext .. " ", false)
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RHIndex = RHIndex + 1
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if RHIndex > #termlib.readHistory[readHistoryType] then
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RHIndex = #termlib.readHistory[readHistoryType]
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end
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termlib.cursorPosX, termlib.cursorPosY = cursorPosX, cursorPosY
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print(prefix .. termlib.readHistory[readHistoryType][RHIndex] .. string.rep(" ", unicode.wlen(curtext) - unicode.wlen(termlib.readHistory[readHistoryType][RHIndex])), false)
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curtext = termlib.readHistory[readHistoryType][RHIndex]
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end
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if key == "back" then
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curtext = curtext:sub(1, #curtext-1)
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termlib.cursorPosX, termlib.cursorPosY = cursorPosX, cursorPosY
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print(prefix .. curtext.." ", false)
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end
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if key == "enter" then
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termlib.cursorPosX, termlib.cursorPosY = cursorPosX, cursorPosY
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print(prefix .. curtext .. " ")
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if readHistoryType then
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while #termlib.readHistory[readHistoryType] > 50 do
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table.remove(termlib.readHistory[readHistoryType], 1)
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end
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end
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return curtext
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end
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if args[3] >= 32 and args[3] <= 126 then
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curtext = curtext .. (unicode.char(args[3]) or "")
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if readHistoryType then
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termlib.readHistory[readHistoryType][RHIndex] = curtext
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end
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end
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termlib.cursorPosX, termlib.cursorPosY = cursorPosX, cursorPosY
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print(prefix .. curtext, false)
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else
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cursorWhite = not cursorWhite
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end
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if cursorWhite then
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print("\27[107m ", false)
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else
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print(" ", false)
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end
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end
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end
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