webmcp
annotate framework/env/encode/mime/atom_token.lua @ 385:ea3a8c6509ba
Added missing parenthesis around gsub call (code cleanup only)
| author | jbe | 
|---|---|
| date | Tue Dec 01 17:53:31 2015 +0100 (2015-12-01) | 
| parents | 9fdfb27f8e67 | 
| children | 
| rev | line source | 
|---|---|
| jbe/bsw@0 | 1 function encode.mime.atom_token(str) | 
| jbe/bsw@0 | 2 local charset = "UTF-8" -- TODO: support other charsets via locale system | 
| jbe/bsw@0 | 3 if | 
| jbe/bsw@0 | 4 string.find(str, "^[0-9A-Za-z!#%$%%&'%*%+%-/=%?%^_`{|}~]+$") | 
| jbe/bsw@0 | 5 then | 
| jbe/bsw@0 | 6 return str | 
| jbe/bsw@0 | 7 elseif | 
| jbe/bsw@0 | 8 string.find(str, "^[\t 0-9A-Za-z!#%$%%&'%*%+%-/=%?%^_`{|}~]+$") | 
| jbe/bsw@0 | 9 then | 
| jbe/bsw@0 | 10 return '"' .. str .. '"' | 
| jbe/bsw@0 | 11 elseif | 
| jbe/bsw@0 | 12 string.find(str, "^[\t -~]*$") | 
| jbe/bsw@0 | 13 then | 
| jbe/bsw@0 | 14 local parts = { '"' } | 
| jbe/bsw@0 | 15 for char in string.gmatch(str, ".") do | 
| jbe/bsw@0 | 16 if char == '"' or char == "\\" then | 
| jbe/bsw@0 | 17 parts[#parts+1] = "\\" | 
| jbe/bsw@0 | 18 end | 
| jbe/bsw@0 | 19 parts[#parts+1] = char | 
| jbe/bsw@0 | 20 end | 
| jbe/bsw@0 | 21 parts[#parts+1] = '"' | 
| jbe/bsw@0 | 22 return table.concat(parts) | 
| jbe/bsw@0 | 23 else | 
| jbe/bsw@0 | 24 local parts = { "=?", charset, "?Q?" } | 
| jbe/bsw@0 | 25 for char in string.gmatch(str, ".") do | 
| jbe/bsw@0 | 26 local byte = string.byte(char) | 
| jbe/bsw@0 | 27 if string.find(char, "^[0-9A-Za-z%.%-]$") then | 
| jbe/bsw@0 | 28 parts[#parts+1] = char | 
| jbe/bsw@0 | 29 else | 
| jbe/bsw@0 | 30 local byte = string.byte(char) | 
| jbe/bsw@0 | 31 if byte == 32 then | 
| jbe/bsw@0 | 32 parts[#parts+1] = "_" | 
| jbe/bsw@0 | 33 else | 
| jbe/bsw@0 | 34 parts[#parts+1] = string.format("=%02X", byte) | 
| jbe/bsw@0 | 35 end | 
| jbe/bsw@0 | 36 end | 
| jbe/bsw@0 | 37 end | 
| jbe/bsw@0 | 38 parts[#parts+1] = "?=" | 
| jbe/bsw@0 | 39 return table.concat(parts) | 
| jbe/bsw@0 | 40 end | 
| jbe/bsw@0 | 41 end |