-- Binary, Decimal, Hexadecimal, Octal conversion
-- Author: Tim Kelly and Andrew Stacey
-- Websites: http://w...content-available-to-author-only...s.com/Lua/code/BinDecHex.shtml
--           http://w...content-available-to-author-only...u.no/~stacey/HowDidIDoThat/iPad/Codea.html
-- Licence: See below
 
--[[
/*
 * Copyright (c) 2007 Tim Kelly/Dialectronics
 *
 * Permission is hereby granted, free of charge, to any person obtaining 
 * a copy of this software and associated documentation files (the 
 * "Software"),  to deal in the Software without restriction, including 
 * without limitation the rights to use, copy, modify, merge, publish, 
 * distribute, sublicense, and/or sell copies of the Software, and to permit 
 * persons to whom the Software is furnished to do so, subject to the 
 * following conditions:
 *
 * The above copyright notice and this permission notice shall be 
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT 
 * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
--]]
 
--[[
Formatting suitable for Codea on iPad together with octal functions by
Andrew Stacey.  Additions released under the original license.
--]]
 
local hex2bin = {
        ["0"] = "0000",
        ["1"] = "0001",
        ["2"] = "0010",
        ["3"] = "0011",
        ["4"] = "0100",
        ["5"] = "0101",
        ["6"] = "0110",
        ["7"] = "0111",
        ["8"] = "1000",
        ["9"] = "1001",
        ["a"] = "1010",
        ["b"] = "1011",
        ["c"] = "1100",
        ["d"] = "1101",
        ["e"] = "1110",
        ["f"] = "1111"
        }
 
 
local bin2hex = {
    ["0000"] = "0",
    ["0001"] = "1",
    ["0010"] = "2",
    ["0011"] = "3",
    ["0100"] = "4",
    ["0101"] = "5",
    ["0110"] = "6",
    ["0111"] = "7",
    ["1000"] = "8",
    ["1001"] = "9",
    ["1010"] = "A",
    ["1011"] = "B",
    ["1100"] = "C",
    ["1101"] = "D",
    ["1110"] = "E",
    ["1111"] = "F"
}
 
local bin2oct = {
    ["000"] = "0",
    ["001"] = "1",
    ["010"] = "2",
    ["011"] = "3",
    ["100"] = "4",
    ["101"] = "5",
    ["110"] = "6",
    ["111"] = "7"
}
 
local oct2bin = {
    ["0"] = "000",
    ["1"] = "001",
    ["2"] = "010",
    ["3"] = "011",
    ["4"] = "100",
    ["5"] = "101",
    ["6"] = "110",
    ["7"] = "111"
}
 
 
-- These functions are big-endian and take up to 32 bits
 
-- Hex2Bin
-- Bin2Hex
-- Hex2Dec
-- Dec2Hex
-- Bin2Dec
-- Dec2Bin
 
 
function Hex2Bin(s)
 
-- s -> hexadecimal string
 
local ret = ""
local i = 0
 
 
    for i in string.gfind(s, ".") do
        i = string.lower(i)
 
        ret = ret..hex2bin[i]
 
    end
 
    return ret
end
 
function Bin2Hex(s)
 
-- s -> binary string
 
local l = 0
local h = ""
local b = ""
local rem
 
l = string.len(s)
rem = l % 4
l = l-1
h = ""
 
    -- need to prepend zeros to eliminate mod 4
    if (rem > 0) then
        s = string.rep("0", 4 - rem)..s
    end
 
    for i = 1, l, 4 do
        b = string.sub(s, i, i+3)
        h = h..bin2hex[b]
    end
 
    return h
 
end
 
function Bin2Oct(s)
 
-- s -> binary string
 
local l = 0
local h = ""
local b = ""
local rem
 
l = string.len(s)
rem = l % 3
l = l-1
h = ""
 
    -- need to prepend zeros to eliminate mod 3
    if (rem > 0) then
        s = string.rep("0", 3 - rem)..s
    end
 
    for i = 1, l, 3 do
        b = string.sub(s, i, i+2)
        h = h..bin2oct[b]
    end
 
    return h
 
end
 
function Oct2Bin(s)
 
-- s -> octal string
 
local ret = ""
local i = 0
 
 
    for i in string.gfind(s, ".") do
        i = string.lower(i)
 
        ret = ret..oct2bin[i]
 
    end
 
    return ret
end
 
function Bin2Dec(s)
 
-- s -> binary string
 
local num = 0
local ex = string.len(s) - 1
local l = 0
 
    l = ex + 1
    for i = 1, l do
        b = string.sub(s, i, i)
        if b == "1" then
            num = num + 2^ex
        end
        ex = ex - 1
    end
 
    return string.format("%u", num)
 
end
 
 
 
function Dec2Bin(s, num)
 
-- s -> Base10 string
-- num  -> string length to extend to
 
local n
 
    if (num == nil) then
        n = 0
    else
        n = num
    end
 
    s = string.format("%x", s)
 
    s = Hex2Bin(s)
 
    while string.len(s) < n do
        s = "0"..s
    end
 
    return s
 
end
 
 
 
 
function Hex2Dec(s)
 
-- s -> hexadecimal string
 
    local s = Hex2Bin(s)
 
    return Bin2Dec(s)
 
end
 
 
 
function Dec2Hex(s)
 
-- s -> Base10 string
 
    s = string.format("%x", s)
 
    return s
 
end
 
function Hex2Oct(s)
 
-- s -> hexadecimal string
 
    local s = Hex2Bin(s)
 
    return Bin2Oct(s)
 
end
 
 
 
function Oct2Hex(s)
 
-- s -> Base8 string
 
    local s = Oct2Bin(s)
 
    return Bin2Hex(s)
 
end
 
function Dec2Oct(s)
 
-- s -> decimal string
 
    s = string.format("%o", s)
 
    return s
 
end
 
 
 
function Oct2Dec(s)
 
-- s -> Base10 string
 
    local s = Oct2Bin(s)
 
    return Bin2Dec(s)
 
end
 
-- These functions are big-endian and will extend to 32 bits
 
-- BMAnd
-- BMNAnd
-- BMOr
-- BMXOr
-- BMNot
 
 
function BMAnd(v, m)
 
-- v    -> hex string to be masked
-- m    -> hex string mask
 
-- s    -> hex string as masked
 
-- bv   -> binary string of v
-- bm   -> binary string mask
 
local bv = Hex2Bin(v)
local bm = Hex2Bin(m)
 
local i = 0
local s = ""
 
        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end
 
        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end
 
 
        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == cm then
                        if cv == "1" then
                                s = s.."1"
                        else
                                s = s.."0"
                        end
                else
                        s = s.."0"
 
                end
        end
 
        return Bin2Hex(s)
 
end
 
 
function BMNAnd(v, m)
 
-- v    -> hex string to be masked
-- m    -> hex string mask
 
-- s    -> hex string as masked
 
-- bv   -> binary string of v
-- bm   -> binary string mask
 
local bv = Hex2Bin(v)
local bm = Hex2Bin(m)
 
local i = 0
local s = ""
 
        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end
 
        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end
 
 
        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == cm then
                        if cv == "1" then
                                s = s.."0"
                        else
                                s = s.."1"
                        end
                else
                        s = s.."1"
 
                end
        end
 
        return Bin2Hex(s)
 
end
 
 
 
function BMOr(v, m)
 
-- v    -> hex string to be masked
-- m    -> hex string mask
 
-- s    -> hex string as masked
 
-- bv   -> binary string of v
-- bm   -> binary string mask
 
local bv = Hex2Bin(v)
local bm = Hex2Bin(m)
 
local i = 0
local s = ""
 
        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end
 
        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end
 
 
        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == "1" then
                                s = s.."1"
                elseif cm == "1" then
                                s = s.."1"
                else
                        s = s.."0"
                end
        end
 
        return Bin2Hex(s)
 
end
 
function BMXOr(v, m)
 
-- v    -> hex string to be masked
-- m    -> hex string mask
 
-- s    -> hex string as masked
 
-- bv   -> binary string of v
-- bm   -> binary string mask
 
local bv = Hex2Bin(v)
local bm = Hex2Bin(m)
 
local i = 0
local s = ""
 
        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end
 
        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end
 
 
        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == "1" then
                        if cm == "0" then
                                s = s.."1"
                        else
                                s = s.."0"
                        end
                elseif cm == "1" then
                        if cv == "0" then
                                s = s.."1"
                        else
                                s = s.."0"
                        end
                else
                        -- cv and cm == "0"
                        s = s.."0"
                end
        end
 
        return Bin2Hex(s)
 
end
 
 
function BMNot(v, m)
 
-- v    -> hex string to be masked
-- m    -> hex string mask
 
-- s    -> hex string as masked
 
-- bv   -> binary string of v
-- bm   -> binary string mask
 
local bv = Hex2Bin(v)
local bm = Hex2Bin(m)
 
local i = 0
local s = ""
 
        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end
 
        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end
 
 
        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cm == "1" then
                        if cv == "1" then
                                -- turn off
                                s = s.."0"
                        else
                                -- turn on
                                s = s.."1"
                        end
                else
                        -- leave untouched
                        s = s..cv
 
                end
        end
 
        return Bin2Hex(s)
 
end
 
 
-- these functions shift right and left, adding zeros to lost or gained bits
-- returned values are 32 bits long
 
-- BShRight(v, nb)
-- BShLeft(v, nb)
 
 
function BShRight(v, nb)
 
-- v    -> hexstring value to be shifted
-- nb   -> number of bits to shift to the right
 
-- s    -> binary string of v
 
local s = Hex2Bin(v)
 
        while (string.len(s) < 32) do
                s = "0000"..s
        end
 
        s = string.sub(s, 1, 32 - nb)
 
        while (string.len(s) < 32) do
                s = "0"..s
        end
 
        return Bin2Hex(s)
 
end
 
function BShLeft(v, nb)
 
-- v    -> hexstring value to be shifted
-- nb   -> number of bits to shift to the right
 
-- s    -> binary string of v
 
local s = Hex2Bin(v)
 
        while (string.len(s) < 32) do
                s = "0000"..s
        end
 
        s = string.sub(s, nb + 1, 32)
 
        while (string.len(s) < 32) do
                s = s.."0"
        end
 
        return Bin2Hex(s)
 
end
 
 
print(Bin2Hex("11001010"))

-- Binary, Decimal, Hexadecimal, Octal conversion
-- Author: Tim Kelly and Andrew Stacey
-- Websites: http://w...content-available-to-author-only...s.com/Lua/code/BinDecHex.shtml
--           http://w...content-available-to-author-only...u.no/~stacey/HowDidIDoThat/iPad/Codea.html
-- Licence: See below

--[[
/*
 * Copyright (c) 2007 Tim Kelly/Dialectronics
 *
 * Permission is hereby granted, free of charge, to any person obtaining 
 * a copy of this software and associated documentation files (the 
 * "Software"),  to deal in the Software without restriction, including 
 * without limitation the rights to use, copy, modify, merge, publish, 
 * distribute, sublicense, and/or sell copies of the Software, and to permit 
 * persons to whom the Software is furnished to do so, subject to the 
 * following conditions:
 *
 * The above copyright notice and this permission notice shall be 
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT 
 * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

--]]

--[[
Formatting suitable for Codea on iPad together with octal functions by
Andrew Stacey.  Additions released under the original license.
--]]

local hex2bin = {
        ["0"] = "0000",
        ["1"] = "0001",
        ["2"] = "0010",
        ["3"] = "0011",
        ["4"] = "0100",
        ["5"] = "0101",
        ["6"] = "0110",
        ["7"] = "0111",
        ["8"] = "1000",
        ["9"] = "1001",
        ["a"] = "1010",
        ["b"] = "1011",
        ["c"] = "1100",
        ["d"] = "1101",
        ["e"] = "1110",
        ["f"] = "1111"
        }


local bin2hex = {
    ["0000"] = "0",
    ["0001"] = "1",
    ["0010"] = "2",
    ["0011"] = "3",
    ["0100"] = "4",
    ["0101"] = "5",
    ["0110"] = "6",
    ["0111"] = "7",
    ["1000"] = "8",
    ["1001"] = "9",
    ["1010"] = "A",
    ["1011"] = "B",
    ["1100"] = "C",
    ["1101"] = "D",
    ["1110"] = "E",
    ["1111"] = "F"
}

local bin2oct = {
    ["000"] = "0",
    ["001"] = "1",
    ["010"] = "2",
    ["011"] = "3",
    ["100"] = "4",
    ["101"] = "5",
    ["110"] = "6",
    ["111"] = "7"
}

local oct2bin = {
    ["0"] = "000",
    ["1"] = "001",
    ["2"] = "010",
    ["3"] = "011",
    ["4"] = "100",
    ["5"] = "101",
    ["6"] = "110",
    ["7"] = "111"
}


-- These functions are big-endian and take up to 32 bits

-- Hex2Bin
-- Bin2Hex
-- Hex2Dec
-- Dec2Hex
-- Bin2Dec
-- Dec2Bin


function Hex2Bin(s)

-- s -> hexadecimal string

local ret = ""
local i = 0


    for i in string.gfind(s, ".") do
        i = string.lower(i)

        ret = ret..hex2bin[i]

    end

    return ret
end

function Bin2Hex(s)

-- s -> binary string

local l = 0
local h = ""
local b = ""
local rem

l = string.len(s)
rem = l % 4
l = l-1
h = ""

    -- need to prepend zeros to eliminate mod 4
    if (rem > 0) then
        s = string.rep("0", 4 - rem)..s
    end

    for i = 1, l, 4 do
        b = string.sub(s, i, i+3)
        h = h..bin2hex[b]
    end

    return h

end

function Bin2Oct(s)

-- s -> binary string

local l = 0
local h = ""
local b = ""
local rem

l = string.len(s)
rem = l % 3
l = l-1
h = ""

    -- need to prepend zeros to eliminate mod 3
    if (rem > 0) then
        s = string.rep("0", 3 - rem)..s
    end

    for i = 1, l, 3 do
        b = string.sub(s, i, i+2)
        h = h..bin2oct[b]
    end

    return h

end

function Oct2Bin(s)

-- s -> octal string

local ret = ""
local i = 0


    for i in string.gfind(s, ".") do
        i = string.lower(i)

        ret = ret..oct2bin[i]

    end

    return ret
end

function Bin2Dec(s)

-- s -> binary string

local num = 0
local ex = string.len(s) - 1
local l = 0

    l = ex + 1
    for i = 1, l do
        b = string.sub(s, i, i)
        if b == "1" then
            num = num + 2^ex
        end
        ex = ex - 1
    end

    return string.format("%u", num)

end



function Dec2Bin(s, num)

-- s -> Base10 string
-- num  -> string length to extend to

local n

    if (num == nil) then
        n = 0
    else
        n = num
    end

    s = string.format("%x", s)

    s = Hex2Bin(s)

    while string.len(s) < n do
        s = "0"..s
    end

    return s

end




function Hex2Dec(s)

-- s -> hexadecimal string

    local s = Hex2Bin(s)

    return Bin2Dec(s)

end



function Dec2Hex(s)

-- s -> Base10 string

    s = string.format("%x", s)

    return s

end

function Hex2Oct(s)

-- s -> hexadecimal string

    local s = Hex2Bin(s)

    return Bin2Oct(s)

end



function Oct2Hex(s)

-- s -> Base8 string

    local s = Oct2Bin(s)

    return Bin2Hex(s)

end

function Dec2Oct(s)

-- s -> decimal string

    s = string.format("%o", s)

    return s

end



function Oct2Dec(s)

-- s -> Base10 string

    local s = Oct2Bin(s)

    return Bin2Dec(s)

end

-- These functions are big-endian and will extend to 32 bits

-- BMAnd
-- BMNAnd
-- BMOr
-- BMXOr
-- BMNot


function BMAnd(v, m)

-- v    -> hex string to be masked
-- m    -> hex string mask

-- s    -> hex string as masked

-- bv   -> binary string of v
-- bm   -> binary string mask

local bv = Hex2Bin(v)
local bm = Hex2Bin(m)

local i = 0
local s = ""

        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end

        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end


        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == cm then
                        if cv == "1" then
                                s = s.."1"
                        else
                                s = s.."0"
                        end
                else
                        s = s.."0"

                end
        end

        return Bin2Hex(s)

end


function BMNAnd(v, m)

-- v    -> hex string to be masked
-- m    -> hex string mask

-- s    -> hex string as masked

-- bv   -> binary string of v
-- bm   -> binary string mask

local bv = Hex2Bin(v)
local bm = Hex2Bin(m)

local i = 0
local s = ""

        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end

        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end


        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == cm then
                        if cv == "1" then
                                s = s.."0"
                        else
                                s = s.."1"
                        end
                else
                        s = s.."1"

                end
        end

        return Bin2Hex(s)

end



function BMOr(v, m)

-- v    -> hex string to be masked
-- m    -> hex string mask

-- s    -> hex string as masked

-- bv   -> binary string of v
-- bm   -> binary string mask

local bv = Hex2Bin(v)
local bm = Hex2Bin(m)

local i = 0
local s = ""

        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end

        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end


        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == "1" then
                                s = s.."1"
                elseif cm == "1" then
                                s = s.."1"
                else
                        s = s.."0"
                end
        end

        return Bin2Hex(s)

end

function BMXOr(v, m)

-- v    -> hex string to be masked
-- m    -> hex string mask

-- s    -> hex string as masked

-- bv   -> binary string of v
-- bm   -> binary string mask

local bv = Hex2Bin(v)
local bm = Hex2Bin(m)

local i = 0
local s = ""

        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end

        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end


        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cv == "1" then
                        if cm == "0" then
                                s = s.."1"
                        else
                                s = s.."0"
                        end
                elseif cm == "1" then
                        if cv == "0" then
                                s = s.."1"
                        else
                                s = s.."0"
                        end
                else
                        -- cv and cm == "0"
                        s = s.."0"
                end
        end

        return Bin2Hex(s)

end


function BMNot(v, m)

-- v    -> hex string to be masked
-- m    -> hex string mask

-- s    -> hex string as masked

-- bv   -> binary string of v
-- bm   -> binary string mask

local bv = Hex2Bin(v)
local bm = Hex2Bin(m)

local i = 0
local s = ""

        while (string.len(bv) < 32) do
                bv = "0000"..bv
        end

        while (string.len(bm) < 32) do
                bm = "0000"..bm
        end


        for i = 1, 32 do
                cv = string.sub(bv, i, i)
                cm = string.sub(bm, i, i)
                if cm == "1" then
                        if cv == "1" then
                                -- turn off
                                s = s.."0"
                        else
                                -- turn on
                                s = s.."1"
                        end
                else
                        -- leave untouched
                        s = s..cv

                end
        end

        return Bin2Hex(s)

end


-- these functions shift right and left, adding zeros to lost or gained bits
-- returned values are 32 bits long

-- BShRight(v, nb)
-- BShLeft(v, nb)


function BShRight(v, nb)

-- v    -> hexstring value to be shifted
-- nb   -> number of bits to shift to the right

-- s    -> binary string of v

local s = Hex2Bin(v)

        while (string.len(s) < 32) do
                s = "0000"..s
        end

        s = string.sub(s, 1, 32 - nb)

        while (string.len(s) < 32) do
                s = "0"..s
        end

        return Bin2Hex(s)

end

function BShLeft(v, nb)

-- v    -> hexstring value to be shifted
-- nb   -> number of bits to shift to the right

-- s    -> binary string of v

local s = Hex2Bin(v)

        while (string.len(s) < 32) do
                s = "0000"..s
        end

        s = string.sub(s, nb + 1, 32)

        while (string.len(s) < 32) do
                s = s.."0"
        end

        return Bin2Hex(s)

end


print(Bin2Hex("11001010"))