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Bug 226411: make DiffStrings handle fields with duplicate values

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patch by jouni
r=joel,myk
a=justdave


git-svn-id: svn://10.0.0.236/trunk@156330 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
bugreport%peshkin.net 2004-05-12 23:57:31 +00:00
parent b6340a6e40
commit cd13fc1dbf
1 changed files with 12 additions and 12 deletions
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24
mozilla/webtools/bugzilla/globals.pl
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@ -1404,20 +1404,20 @@ sub DiffStrings {
my @old = split(" ", $oldstr);
my @new = split(" ", $newstr);
my (@remove, @add) = ();
# For each pair of (old, new) entries:
# If they're equal, set them to empty. When done, @old contains entries
# that were removed; @new contains ones that got added.
# Find values that were removed
foreach my $value (@old) {
push (@remove, $value) if !grep($_ eq $value, @new);
foreach my $oldv (@old) {
foreach my $newv (@new) {
next if ($newv eq '');
if ($oldv eq $newv) {
$newv = $oldv = '';
}
}
}
# Find values that were added
foreach my $value (@new) {
push (@add, $value) if !grep($_ eq $value, @old);
}
my $removed = join (", ", @remove);
my $added = join (", ", @add);
my $removed = join (", ", grep { $_ ne '' } @old);
my $added = join (", ", grep { $_ ne '' } @new);
return ($removed, $added);
}