/[cvs]/nfo/perl/libs/Data/Mungle/Compare/Struct.pm
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revision 1.2 by joko, Thu Dec 5 07:56:34 2002 UTC revision 1.7 by joko, Wed Jul 7 03:13:43 2004 UTC
# Line 2  Line 2 
2  ##    $Id$  ##    $Id$
3  ##    --------------------------------------------------------------------------------  ##    --------------------------------------------------------------------------------
4  ##    $Log$  ##    $Log$
5    ##    Revision 1.7  2004/07/07 03:13:43  joko
6    ##    minor fix for "sub isEmpty"
7    ##
8    ##    Revision 1.6  2004/05/12 13:53:19  jonen
9    ##    + bugfix related to declaration of arrays,
10    ##        solved error: 'Bizarre copy of ARRAY in aassign at...'
11    ##
12    ##    Revision 1.5  2003/03/27 15:17:05  joko
13    ##    namespace fixes for Data::Mungle::*
14    ##
15    ##    Revision 1.4  2002/12/19 01:06:27  joko
16    ##    + fixed isEmpty with ARRAYs
17    ##
18    ##    Revision 1.3  2002/12/13 21:47:04  joko
19    ##    + fixes to 'sub isEmpty'
20    ##
21  ##    Revision 1.2  2002/12/05 07:56:34  joko  ##    Revision 1.2  2002/12/05 07:56:34  joko
22  ##    + updated/enhanced isEmpty (hacky?)  ##    + updated/enhanced isEmpty (hacky?)
23  ##  ##
# Line 11  Line 27 
27  ##    --------------------------------------------------------------------------------  ##    --------------------------------------------------------------------------------
28    
29    
30  package Data::Compare::Struct;  package Data::Mungle::Compare::Struct;
31    
32  use strict;  use strict;
33  use warnings;  use warnings;
# Line 32  sub getRelations { Line 48  sub getRelations {
48    my @a = @{$a_ref};    my @a = @{$a_ref};
49    my @b = @{$b_ref};    my @b = @{$b_ref};
50    
51    my @isect = my @diff = my @union = ();    # BUGFIX 2004-05-12: following declaration of arrays occures an strange perl error:
52      # 'Bizarre copy of ARRAY in aassign at ..<PATH_TO>/<THIS_FILE> line <NEXT LINE>'
53      # (at PERL 5.8.4, Debian/unstable/experimental)
54      #
55      #my @isect = my @diff = my @union = ();
56      #
57      # so use normal declaration instead!!
58      my @isect = ();
59      my @diff = ();
60      my @union = ();
61    
62    my $e;    my $e;
63    my %count;    my %count;
64        
# Line 70  sub isEmpty { Line 96  sub isEmpty {
96    
97    #print "isEmpty is parsing variable ( ref $ref reftype $reftype )", "\n";    #print "isEmpty is parsing variable ( ref $ref reftype $reftype )", "\n";
98        
99    #print Dumper($var);
100      
101    my $found;    my $found;
102    
103    if ($ref eq 'Set::Object') {    if ($ref eq 'Set::Object') {
104      $found = 1;      $found = 1;
105      #print "members:", "\n";  #print "members:", "\n";
106      #print Dumper($var->members());  #print Dumper($var->members());
107      #print "\n";  #print "\n";
108      my $tc = { ok => 0, count => 0, empty => 0 };      my $tc = { ok => 0, count => 0, empty => 0 };
109      foreach ($var->members()) {      foreach ($var->members()) {
110    #print "member!!", "\n";
111        #print "empty: ", isEmpty($_), "\n";        #print "empty: ", isEmpty($_), "\n";
112        #$tc->{ok} = 1;        #$tc->{ok} = 1;
113        $tc->{count}++;        $tc->{count}++;
114        $tc->{empty}++ if isEmpty($_);        $tc->{empty}++ if isEmpty($_);
115        #return $result if $result;        #return $result if $result;
116      }      }
117    
118    #print Dumper($tc);
119            
120      return 1 if ($tc->{count} == $tc->{empty});      return 1 if ($tc->{count} == $tc->{empty});
121      return 0;      return 0;
122            
123    }    }
124    
125    if ($reftype eq 'HASH') {    if ($reftype eq 'ARRAY') {
126        my @arr = @$var;
127        my $isReallyEmpty = ($#arr == -1 ? 1 : 0);
128        return 1 if $isReallyEmpty;
129        $found = 1;
130        foreach (@arr) {
131          #return 0 if defined $_;
132          #return 1 if isEmpty($_);
133          return 0 if !isEmpty($_);
134        }
135    
136      } elsif ($reftype eq 'HASH') {
137        my $empty = 1;
138      $found = 1;      $found = 1;
139      foreach (keys %$var) {      foreach (keys %$var) {
140    # TODO: review and fix this!
141  =pod  =pod
142        # recursion        # recursion
143        if (ref $var->{$_} eq 'Set::Object') {        if (ref $var->{$_} eq 'Set::Object') {
# Line 106  sub isEmpty { Line 150  sub isEmpty {
150  =cut  =cut
151        next if ref $var->{$_} eq 'Set::Object';        next if ref $var->{$_} eq 'Set::Object';
152        #return 0 if defined $var->{$_};        #return 0 if defined $var->{$_};
153        return 1 if isEmpty($var->{$_});        #return 1 if isEmpty($var->{$_});
154      }        my $elem_empty = isEmpty($var->{$_});
155          
156    } elsif ($reftype eq 'ARRAY') {  #print "elem: $elem_empty\n";
157      $found = 1;        $empty &&= $elem_empty;
     foreach (@$var) {  
       return 0 if defined $_;  
158      }      }
159        return $empty;
160        #return 0;
161        
162    } else {    # check for empty string
163      } elsif (defined $var) {
164      $found = 1;      $found = 1;
165      return 0 if defined $var;      return 0 if $var ne '';
166    }    }
167        
168    if (!$found) {    if (!$found) {
169      print "isEmpty could not parse variable ( ref $ref reftype $reftype )", "\n";      print "isEmpty could not parse variable ( ref $ref reftype $reftype )", "\n";
170    }    }
171    
172      #print "EMPTY!!!", "\n";
173    
174    return 1;    return 1;
175        
176  }  }
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