Remi Lespinet <[email protected]> writes:
> parse_address_line had not the same behavior whether the user had
> Mail::Address or not. Teach parse_address_line to behave like
> Mail::Address.
Sounds like a fun project ;-)
> + my $commentrgx=qr/\((?:[^)]*)\)/;
> + my $quotergx=qr/"(?:[^\"\\]|\\.)*"/;
> + my $wordrgx=qr/(?:[^]["\s()<>:;@\\,.]|\\.)+/;
> + my $tokenrgx = qr/(?:$quotergx|$wordrgx|$commentrgx|\S)/;
Suffix "rgx" that means "regular expression" is a bit unusual, and
also hard to read when squashed to another word. Elsewhere in the
same script, we seem to use $re_whatever to store precompiled
regular expressions, so perhaps $re_comment, $re_quote, etc.?
> + my @tokens = map { $_ =~ /\s*($tokenrgx)\s*/g } @_;
> + push @tokens, ",";
> +
> + my (@addr_list, @phrase, @address, @comment, @buffer) = ();
> + foreach my $token (@tokens) {
> + if ($token =~ /^[,;]$/) {
> + if (@address) {
> + push @address, @buffer;
> + } else {
> + push @phrase, @buffer;
> + }
> +
> + my $str_phrase = join ' ', @phrase;
> + my $str_address = join '', @address;
> + my $str_comment = join ' ', @comment;
> +
> + if ($str_phrase =~ /[][()<>:;@\\,.\000-\037\177]/) {
> + $str_phrase =~ s/(^|[^\\])"/$1/g;
> + $str_phrase = qq["$str_phrase"];
> + }
> +
> + if ($str_address ne "" && $str_phrase ne "") {
> + $str_address = qq[<$str_address>];
> + }
We see both "[email protected]" and "<[email protected]>" around
here for an address without comment or phrase; this chooses to turn
them both into "<[email protected]>" form? Not a complaint but am
thinking aloud to see if I am reading it correctly.
> +
> + my $str_mailbox = "$str_phrase $str_address $str_comment";
> + $str_mailbox =~ s/^\s*|\s*$//g;
So an empty @comment will not leave spaces after $str_address, which
makes sense (likewise for @phrase).
> + push @addr_list, $str_mailbox if ($str_mailbox);
> +
> + @phrase = @address = @comment = @buffer = ();
> + } elsif ($token =~ /^\(/) {
> + push @comment, $token;
> + } elsif ($token eq "<") {
> + push @phrase, (splice @address), (splice @buffer);
That is a clever use of splice (My Perl's rusty; you learn new
things every day) ;-)
> + } elsif ($token eq ">") {
> + push @address, (splice @buffer);
> + } elsif ($token eq "@") {
> + push @address, (splice @buffer), "@";
> + } elsif ($token eq ".") {
> + push @address, (splice @buffer), ".";
> + } else {
> + push @buffer, $token;
> + }
> + }
> +
> + return @addr_list;
> }
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