File biber-av.patch of Package texlive

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File biber-av.patch of Package texlive

diff --git a/Build.PL b/Build.PL
index 104d839..ca3e00c 100644
--- a/Build.PL
+++ b/Build.PL
@@ -40,9 +40,9 @@ my $builder = $class->new(
         'ExtUtils::LibBuilder' => '0.02'
     },
     requires => {
+        'autovivification' => 0,
         'Data::Dump' => 0,
         'Data::Compare' => 0,
-        'Data::Diver' => 0,
         'Date::Simple' => 0,
         'File::Slurp'  => 0,
         'IPC::Cmd' => 0,
diff --git a/lib/Biber/Entry.pm b/lib/Biber/Entry.pm
index 9c6fc4b..385c90e 100644
--- a/lib/Biber/Entry.pm
+++ b/lib/Biber/Entry.pm
@@ -6,7 +6,6 @@ use warnings;
 use Biber::Utils;
 use Biber::Internals;
 use Biber::Constants;
-use Data::Diver qw( Dive );
 use Data::Dump qw( pp );
 use Digest::MD5 qw( md5_hex );
 use Log::Log4perl qw( :no_extra_logdie_message );
@@ -322,6 +321,7 @@ sub set_field {
 =cut
 
 sub get_field {
+  no autovivification;
   my $self = shift;
   my ($key, $form, $lang) = @_;
   return undef unless $key;
@@ -332,9 +332,9 @@ sub get_field {
     $form = 'original';
     $lang = 'default';
   }
-  return Dive($self, 'datafields', $key, $form, $lang) //
-         Dive($self, 'derivedfields', $key, $form, $lang) //
-         Dive($self, 'rawfields', $key);
+  return $self->{datafields}{$key}{$form}{$lang} //
+         $self->{derivedfields}{$key}{$form}{$lang} //
+         $self->{rawfields}{$key};
 }
 
 
@@ -345,11 +345,12 @@ sub get_field {
 =cut
 
 sub get_field_forms {
+  no autovivification;
   my $self = shift;
   my $key = shift;
   return undef unless $key;
-  return Dive($self, 'datafields', $key) ||
-         Dive($self, 'derivedfields', $key);
+  return $self->{datafields}{$key} ||
+         $self->{derivedfields}{$key};
 }
 
 =head2 get_field_form_names
@@ -359,11 +360,12 @@ sub get_field_forms {
 =cut
 
 sub get_field_form_names {
+  no autovivification;
   my $self = shift;
   my $key = shift;
   return undef unless $key;
-  return sort keys %{Dive($self, 'datafields', $key) ||
-                     Dive($self, 'derivedfields', $key) ||
+  return sort keys %{$self->{datafields}{$key} ||
+                     $self->{derivedfields}{$key} ||
                      {}};
 }
 
@@ -374,12 +376,13 @@ sub get_field_form_names {
 =cut
 
 sub get_field_form_lang_names {
+  no autovivification;
   my $self = shift;
   my ($key, $form) = @_;
   return undef unless $key;
   return undef unless $form;
-  return sort keys %{Dive($self, 'datafields', $key, $form) ||
-                     Dive($self, 'derivedfields', $key, $form) ||
+  return sort keys %{$self->{datafields}{$key}{$form} ||
+                     $self->{derivedfields}{$key}{$form} ||
                      {}};
 }
 
@@ -432,9 +435,10 @@ sub set_rawfield {
 =cut
 
 sub get_rawfield {
+  no autovivification;
   my $self = shift;
   my $key = shift;
-  return Dive($self, 'rawfields', $key);
+  return $self->{rawfields}{$key};
 }
 
 
@@ -445,11 +449,12 @@ sub get_rawfield {
 =cut
 
 sub get_datafield {
+  no autovivification;
   my $self = shift;
   my ($key, $form, $lang) = @_;
   $form = $form || 'original';
   $lang = $lang || 'default';
-  return Dive($self, 'datafields', $key, $form, $lang);
+  return $self->{datafields}{$key}{$form}{$lang};
 }
 
 
@@ -489,11 +494,12 @@ sub del_datafield {
 =cut
 
 sub field_exists {
+  no autovivification;
   my $self = shift;
   my $key = shift;
-  return (Dive($self, 'datafields', $key) ||
-          Dive($self, 'derivedfields', $key) ||
-          Dive($self, 'rawfields', $key)) ? 1 : 0;
+  return ($self->{datafields}{$key} ||
+          $self->{derivedfields}{$key} ||
+          $self->{rawfields}{$key}) ? 1 : 0;
 }
 
 =head2 field_form_exists
@@ -503,11 +509,12 @@ sub field_exists {
 =cut
 
 sub field_form_exists {
+  no autovivification;
   my $self = shift;
   my ($key, $form) = @_;
   $form = $form || 'original';
-  return (Dive($self, 'datafields', $key, $form) ||
-          Dive($self, 'derivedfields', $key, $form)) ? 1 : 0;
+  return ($self->{datafields}{$key}{$form} ||
+          $self->{derivedfields}{$key}{$form}) ? 1 : 0;
 }
 
 
@@ -583,11 +590,12 @@ sub count_fields {
 =cut
 
 sub has_keyword {
+  no autovivification;
   my $self = shift;
   my ($keyword, $form, $lang) = @_;
   $form = $form || 'original';
   $lang = $lang || 'default';
-  if (my $keywords = Dive($self, 'datafields', 'keywords', $form, $lang)) {
+  if (my $keywords = $self->{datafields}{keywords}{$form}{$lang}) {
     return (first {$_ eq $keyword} @$keywords) ? 1 : 0;
   }
   else {
diff --git a/lib/Biber/Internals.pm b/lib/Biber/Internals.pm
index 0255ab1..59d7151 100644
--- a/lib/Biber/Internals.pm
+++ b/lib/Biber/Internals.pm
@@ -8,7 +8,6 @@ use Biber::Constants;
 use Biber::Utils;
 use Biber::DataModel;
 use Data::Compare;
-use Data::Diver qw( Dive );
 use List::AllUtils qw( :all );
 use Log::Log4perl qw(:no_extra_logdie_message);
 use Digest::MD5 qw( md5_hex );
@@ -1104,6 +1103,7 @@ sub _sort_labeltitle {
 }
 
 sub _sort_labeldate {
+  no autovivification;
   my ($self, $citekey, $sortelementattributes, $args) = @_;
   my $ldc = $args->[0]; # labeldate component
   my $secnum = $self->get_current_section;
@@ -1111,7 +1111,7 @@ sub _sort_labeldate {
   my $be = $section->bibentry($citekey);
   # re-direct to the right sorting routine for the labeldate component
   if (my $ldi = $be->get_labeldate_info) {
-    if (my $ldf = Dive($ldi, 'field', $ldc)) {
+    if (my $ldf = $ldi->{field}{$ldc}) {
       # Don't process attributes as they will be processed in the real sub
       return $self->_dispatch_sorting($ldf, $citekey, $sortelementattributes);
     }

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