13 lines
503 B
Lua
13 lines
503 B
Lua
local white = (lpeg.S'\0\9\10\12\13\32' + '%' * (1 - lpeg.S'\r\n')^0)^1
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local regular = 1-lpeg.S'()<>[]{}/%\0\9\10\12\13\32'
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local name = lpeg.C(regular^1)
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local lname = '/' * name / 1
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local namearray = lpeg.Ct('['*white^0*lpeg.Cg(lname*white^0, 0)^-1*(lname*white^0)^0*']')
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local encfile = white^0*lname*white^0*namearray*white^0*'def'*white^0*-1
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return function(filename)
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local file = io.open(filename)
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local name, encoding = encfile:match(file:read'a')
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file:close()
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return encoding, name
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end
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