1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
|
# frozen_string_literal: true
require 'mail/utilities'
require 'mail/parser_tools'
%%{
machine date_time;
alphtype int;
# Date
action date_s { date_s = p }
action date_e { date_time.date_string = chars(data, date_s, p-1) }
# Time
action time_s { time_s = p }
action time_e { date_time.time_string = chars(data, time_s, p-1) }
# No-op actions
action comment_s {}
action comment_e {}
action phrase_s {}
action phrase_e {}
action qstr_s {}
action qstr_e {}
include rfc5322_date_time "rfc5322_date_time.rl";
main := date_time;
}%%
module Mail::Parsers
module DateTimeParser
extend Mail::ParserTools
DateTimeStruct = Struct.new(:date_string, :time_string, :error)
%%write data noprefix;
def self.parse(data)
data = data.dup.force_encoding(Encoding::ASCII_8BIT) if data.respond_to?(:force_encoding)
raise Mail::Field::NilParseError.new(Mail::DateTimeElement) if data.nil?
date_time = DateTimeStruct.new([])
# Parser state
date_s = time_s = nil
# 5.1 Variables Used by Ragel
p = 0
eof = pe = data.length
stack = []
%%write init;
%%write exec;
if p != eof || cs < %%{ write first_final; }%%
raise Mail::Field::IncompleteParseError.new(Mail::DateTimeElement, data, p)
end
date_time
end
end
end
|