From: Don Armstrong <don@donarmstrong.com>
Date: Wed, 11 Apr 2012 00:37:38 +0000 (-0700)
Subject: add encode_utf8_structure routine
X-Git-Tag: release/2.6.0~376^2~19
X-Git-Url: https://git.donarmstrong.com/?p=debbugs.git;a=commitdiff_plain;h=106724733322c2bedb9d63aadd733bc7a8fee801

add encode_utf8_structure routine
---

diff --git a/Debbugs/Common.pm b/Debbugs/Common.pm
index d4eab8c..b59e6fa 100644
--- a/Debbugs/Common.pm
+++ b/Debbugs/Common.pm
@@ -50,12 +50,13 @@ BEGIN{
 				qw(cleanup_eval_fail),
 				qw(hash_slice),
 			       ],
+		     utf8   => [qw(encode_utf8_structure)],
 		     date   => [qw(secs_to_english)],
 		     quit   => [qw(quit)],
 		     lock   => [qw(filelock unfilelock lockpid)],
 		    );
      @EXPORT_OK = ();
-     Exporter::export_ok_tags(qw(lock quit date util misc));
+     Exporter::export_ok_tags(keys %EXPORT_TAGS);
      $EXPORT_TAGS{all} = [@EXPORT_OK];
 }
 
@@ -70,6 +71,8 @@ use IO::Scalar;
 use Debbugs::MIME qw(decode_rfc1522);
 use Mail::Address;
 use Cwd qw(cwd);
+use Encode qw(encode_utf8 is_utf8);
+use Storable qw(dclone);
 
 use Params::Validate qw(validate_with :types);
 
@@ -895,6 +898,56 @@ sub hash_slice(\%@) {
     return map {exists $hashref->{$_}?($_,$hashref->{$_}):()} @keys;
 }
 
+
+=head1 UTF-8
+
+These functions are exported with the :utf8 tag
+
+=head2 encode_utf8_structure
+
+     %newdata = encode_utf8_structure(%newdata);
+
+Takes a complex data structure and encodes any strings with is_utf8
+set into their constituent octets.
+
+=cut
+
+our $depth = 0;
+sub encode_utf8_structure {
+    ++$depth;
+    my @ret;
+    for my $_ (@_) {
+	if (ref($_) eq 'HASH') {
+	    push @ret, {encode_utf8_structure(%{$depth == 1 ? dclone($_):$_})};
+	}
+	elsif (ref($_) eq 'ARRAY') {
+	    push @ret, [encode_utf8_structure(@{$depth == 1 ? dclone($_):$_})];
+	}
+	elsif (ref($_)) {
+	    # we don't know how to handle non hash or non arrays
+	    push @ret,$_;
+	}
+	else {
+	    push @ret,__encode_utf8($_);
+	}
+    }
+    --$depth;
+    return @ret;
+}
+
+sub __encode_utf8 {
+    my @ret;
+    for my $r (@_) {
+	if (not ref($r) and is_utf8($r)) {
+	    $r = encode_utf8($r);
+	}
+	push @ret,$r;
+    }
+    return @ret;
+}
+
+
+
 1;
 
 __END__