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Merge branch 'np/send-email-header-parsing'

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Code refactoring.

* np/send-email-header-parsing:
  send-email: extract email-parsing code into a subroutine
This commit is contained in:
Junio C Hamano
2018-03-15 15:00:45 -07:00
parent 7fb6aefd2a b6049542b9
commit fbc615b70a
1 changed files with 77 additions and 38 deletions
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115
git-send-email.perl
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@ -708,57 +708,70 @@ EOT3
do_edit($compose_filename);
}
open my $c2, ">", $compose_filename . ".final"
or die sprintf(__("Failed to open %s.final: %s"), $compose_filename, $!);
open $c, "<", $compose_filename
or die sprintf(__("Failed to open %s: %s"), $compose_filename, $!);
my $need_8bit_cte = file_has_nonascii($compose_filename);
my $in_body = 0;
my $summary_empty = 1;
if (!defined $compose_encoding) {
$compose_encoding = "UTF-8";
}
while(<$c>) {
next if m/^GIT:/;
if ($in_body) {
$summary_empty = 0 unless (/^\n$/);
} elsif (/^\n$/) {
$in_body = 1;
if ($need_8bit_cte) {
print $c2 "MIME-Version: 1.0\n",
"Content-Type: text/plain; ",
"charset=$compose_encoding\n",
"Content-Transfer-Encoding: 8bit\n";
my %parsed_email;
while (my $line = <$c>) {
next if $line =~ m/^GIT:/;
parse_header_line($line, \%parsed_email);
if ($line =~ /^$/) {
$parsed_email{'body'} = filter_body($c);
}
} elsif (/^MIME-Version:/i) {
$need_8bit_cte = 0;
} elsif (/^Subject:\s*(.+)\s*$/i) {
$initial_subject = $1;
my $subject = $initial_subject;
$_ = "Subject: " .
quote_subject($subject, $compose_encoding) .
"\n";
} elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
$initial_reply_to = $1;
next;
} elsif (/^From:\s*(.+)\s*$/i) {
$sender = $1;
next;
} elsif (/^(?:To|Cc|Bcc):/i) {
print __("To/Cc/Bcc fields are not interpreted yet, they have been ignored\n");
next;
}
print $c2 $_;
}
close $c;
close $c2;
if ($summary_empty) {
open my $c2, ">", $compose_filename . ".final"
or die sprintf(__("Failed to open %s.final: %s"), $compose_filename, $!);
if ($parsed_email{'From'}) {
$sender = delete($parsed_email{'From'});
}
if ($parsed_email{'In-Reply-To'}) {
$initial_reply_to = delete($parsed_email{'In-Reply-To'});
}
if ($parsed_email{'Subject'}) {
$initial_subject = delete($parsed_email{'Subject'});
print $c2 "Subject: " .
quote_subject($initial_subject, $compose_encoding) .
"\n";
}
if ($parsed_email{'MIME-Version'}) {
print $c2 "MIME-Version: $parsed_email{'MIME-Version'}\n",
"Content-Type: $parsed_email{'Content-Type'};\n",
"Content-Transfer-Encoding: $parsed_email{'Content-Transfer-Encoding'}\n";
delete($parsed_email{'MIME-Version'});
delete($parsed_email{'Content-Type'});
delete($parsed_email{'Content-Transfer-Encoding'});
} elsif (file_has_nonascii($compose_filename)) {
my $content_type = (delete($parsed_email{'Content-Type'}) or
"text/plain; charset=$compose_encoding");
print $c2 "MIME-Version: 1.0\n",
"Content-Type: $content_type\n",
"Content-Transfer-Encoding: 8bit\n";
}
# Preserve unknown headers
foreach my $key (keys %parsed_email) {
next if $key eq 'body';
print $c2 "$key: $parsed_email{$key}";
}
if ($parsed_email{'body'}) {
print $c2 "\n$parsed_email{'body'}\n";
delete($parsed_email{'body'});
} else {
print __("Summary email is empty, skipping it\n");
$compose = -1;
}
close $c2;
} elsif ($annotate) {
do_edit(@files);
}
@ -797,6 +810,32 @@ sub ask {
return;
}
sub parse_header_line {
my $lines = shift;
my $parsed_line = shift;
my $addr_pat = join "|", qw(To Cc Bcc);
foreach (split(/\n/, $lines)) {
if (/^($addr_pat):\s*(.+)$/i) {
$parsed_line->{$1} = [ parse_address_line($2) ];
} elsif (/^([^:]*):\s*(.+)\s*$/i) {
$parsed_line->{$1} = $2;
}
}
}
sub filter_body {
my $c = shift;
my $body = "";
while (my $body_line = <$c>) {
if ($body_line !~ m/^GIT:/) {
$body .= $body_line;
}
}
return $body;
}
my %broken_encoding;
sub file_declares_8bit_cte {