mailr/lib/tmail_patch.rb

39 lines
986 B
Ruby

module TMail
class Mail
def parse_header( f )
name = field = nil
unixfrom = nil
while line = f.gets
case line
when /\A[ \t]/ # continue from prev line
raise SyntaxError, 'mail is began by space' unless field
field << ' ' << line.strip
when /\A([^\: \t]+):\s*/ # new header line
add_hf name, field if field
name = $1
field = $' #.strip
when /\A\-*\s*\z/ # end of header
add_hf name, field if field
name = field = nil
break
when /\AFrom (\S+)/
unixfrom = $1
else
# treat as continue from previos
raise SyntaxError, 'mail is began by space' unless field
field << ' ' << line.strip
end
end
add_hf name, field if name
if unixfrom
add_hf 'Return-Path', "<#{unixfrom}>" unless @header['return-path']
end
end
end
end