“Module:ISO 8859-1”的意思、由来-开放百科全书

词条

Module:ISO 8859-1

释义

local p = {}

-- Convert pairs of hex digits (optionally separated by-- non-hex-digit characters) in a string to the corresponding bytes.

local function from_hex_str(hex_str)

return (hex_str:gsub("(%x%x)%X*",

function (hex)

return string.char(tonumber(hex, 16))

end))

end

function p._show_file_signature(str)

str = from_hex_str(str):gsub(".",

function (char)

local byte = char:byte()

-- Show C0 and C1 control characters and the delete character as ".".

if 0x00 <= byte and byte <= 0x1F or 0x7F <= byte and byte <= 0x9F then

return "."

-- Between 0xA0 and 0xFF, the byte value is the same as the code

-- point for the character that the byte represents in ISO 8859-1.

elseif byte >= 0xA0 then

return mw.ustring.char(byte)

end -- else don't change char

end)

return str

end

function p.show_file_signature(frame)

local file_signature = frame:getParent().args[1]

return frame:extensionTag("pre", p._show_file_signature(file_signature))

end

return p

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