feature/code-absence; fix missing filename

lib/Zarn/Engine/Source_to_Sink.pm

@@ -19,9 +19,32 @@ package Zarn::Engine::Source_to_Sink {
             'rules=s' => \$rules
         );
 
+
         if ($ast && $rules) {
+            my @absence = grep { $_->{type} && $_->{type} eq 'absence' } $rules->@*;
+            for my $rule (@absence) {
+                my $category = $rule -> {category};
+                my $title    = $rule -> {name};
+                my $message  = $rule -> {message};
+                foreach my $token ($rule -> {sample} -> @*) {
+                    if ($ast->content() !~ m/$token/xms ) {
+                        push @results, {
+                            category       => $category,
+                            title          => $title,
+                            message        => $message,
+                            line_sink      => 'n/a',
+                            rowchar_sink   => 'n/a',
+                            line_source    => 'n/a',
+                            rowchar_source => 'n/a'
+                        };
+                    }
+                }
+            }
+
+            my @presence = grep { !($_->{type}) || $_->{type} eq 'presence' } $rules->@*;
+
             foreach my $token (@{$ast -> find('PPI::Token') || []}) {
-                foreach my $rule (@{$rules}) {
+                foreach my $rule (@presence) {
                     my @sample   = $rule -> {sample} -> @*;
                     my $category = $rule -> {category};
                     my $title    = $rule -> {name};

lib/Zarn/Helper/Rules.pm

@@ -19,4 +19,4 @@ package Zarn::Helper::Rules {
     }
 }
 
-1;
+1;

zarn.pl

@@ -27,7 +27,7 @@
     );
 
     if ( !$source ) {
         print "\nZarn v0.1.0"
             . "\nCore Commands"
             . "\n==============\n"
             . "\tCommand          Description\n"
@@ -56,7 +56,7 @@
             );
 
             if (@analysis) {
-                $analysis[0]->{'file'} = $file;
+                map { $_->{file} = $file } @analysis;
             }
 
             push @results, @analysis;
@@ -72,19 +72,19 @@
         my $line_source    = $result->{line_source};
         my $rowchar_source = $result->{rowchar_source};
 
         print
             "[$category] - FILE:$file \t Potential: $title. \t Dangerous function on line: $line_sink:$rowchar_sink \t Data point possibility controlled: $line_source:$rowchar_source\n";
     }
 
     if ($sarif) {
         my $sarif_data = Zarn::Helper::Sarif->new(@results);
 
         open( my $output, '>', $sarif ) or croak "Cannot open the $sarif file\n";
         print $output encode_json($sarif_data);
         close($output) or die "Error to close the file\n";
     }
 
     return 0;
 }
 
-main();
+main();