mirror of
https://github.com/SpaceVim/SpaceVim.git
synced 2025-02-03 13:00:05 +08:00
29 lines
778 B
Lua
29 lines
778 B
Lua
local format = function (str)
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if type(str) ~= "string" then return nil end
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local result = "Binary string length; " .. tostring(#str) .. " bytes\n"
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local i = 1
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local hex = ""
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local chr = ""
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while i <= #str do
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local byte = str:byte(i)
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hex = string.format("%s%2x ", hex, byte)
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if byte < 32 then byte = string.byte(".") end
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chr = chr .. string.char(byte)
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if math.floor(i/16) == i/16 or i == #str then
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-- reached end of line
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hex = hex .. string.rep(" ", 16 * 3 - #hex)
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chr = chr .. string.rep(" ", 16 - #chr)
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result = result .. hex:sub(1, 8 * 3) .. " " .. hex:sub(8*3+1, -1) .. " " .. chr:sub(1,8) .. " " .. chr:sub(9,-1) .. "\n"
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hex = ""
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chr = ""
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end
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i = i + 1
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end
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return result
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end
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return format
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