webmcp
annotate framework/env/encode/mime/quoted_printable_text_content.lua @ 552:7e874b5227b6
Bugfix in array support: info.type may be nil
author | jbe |
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date | Mon Dec 09 16:09:14 2019 +0100 (2019-12-09) |
parents | 9fdfb27f8e67 |
children |
rev | line source |
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jbe/bsw@0 | 1 function encode.mime.quoted_printable_text_content(str) |
jbe/bsw@0 | 2 local parts = {} |
jbe/bsw@0 | 3 for str_part in string.gmatch(str, "[^\r\n]+[\r\n]*") do |
jbe/bsw@0 | 4 local line, extra_gap = string.match(str_part, "^([^\r\n]+)\r?\n?(.*)$") |
jbe/bsw@0 | 5 local line_length = 0 |
jbe/bsw@0 | 6 for char in string.gmatch(line, ".") do |
jbe/bsw@0 | 7 if string.find(char, "^[\t -<>-~]$") then |
jbe/bsw@0 | 8 if line_length + 1 > 75 then |
jbe/bsw@0 | 9 parts[#parts+1] = "=\r\n" |
jbe/bsw@0 | 10 line_length = 0 |
jbe/bsw@0 | 11 end |
jbe/bsw@0 | 12 parts[#parts+1] = char |
jbe/bsw@0 | 13 line_length = line_length + 1 |
jbe/bsw@0 | 14 else |
jbe/bsw@0 | 15 if line_length + 3 > 75 then |
jbe/bsw@0 | 16 parts[#parts+1] = "=\r\n" |
jbe/bsw@0 | 17 line_length = 0 |
jbe/bsw@0 | 18 end |
jbe/bsw@0 | 19 parts[#parts+1] = string.format("=%02X", string.byte(char)) |
jbe/bsw@0 | 20 line_length = line_length + 3 |
jbe/bsw@0 | 21 end |
jbe/bsw@0 | 22 end |
jbe/bsw@0 | 23 for i = 1, #extra_gap do |
jbe/bsw@0 | 24 if string.sub(extra_gap, i, i) == "\n" then |
jbe/bsw@0 | 25 parts[#parts+1] = "\r\n" |
jbe/bsw@0 | 26 end |
jbe/bsw@0 | 27 end |
jbe/bsw@0 | 28 parts[#parts+1] = "\r\n" |
jbe/bsw@0 | 29 end |
jbe/bsw@0 | 30 return table.concat(parts) |
jbe/bsw@0 | 31 end |