/[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 1.6 by jonen, Wed May 12 13:53:19 2004 UTC
# Line 2  Line 2 
2  ##    $Id$  ##    $Id$
3  ##    --------------------------------------------------------------------------------  ##    --------------------------------------------------------------------------------
4  ##    $Log$  ##    $Log$
5    ##    Revision 1.6  2004/05/12 13:53:19  jonen
6    ##    + bugfix related to declaration of arrays,
7    ##        solved error: 'Bizarre copy of ARRAY in aassign at...'
8    ##
9    ##    Revision 1.5  2003/03/27 15:17:05  joko
10    ##    namespace fixes for Data::Mungle::*
11    ##
12    ##    Revision 1.4  2002/12/19 01:06:27  joko
13    ##    + fixed isEmpty with ARRAYs
14    ##
15    ##    Revision 1.3  2002/12/13 21:47:04  joko
16    ##    + fixes to 'sub isEmpty'
17    ##
18  ##    Revision 1.2  2002/12/05 07:56:34  joko  ##    Revision 1.2  2002/12/05 07:56:34  joko
19  ##    + updated/enhanced isEmpty (hacky?)  ##    + updated/enhanced isEmpty (hacky?)
20  ##  ##
# Line 11  Line 24 
24  ##    --------------------------------------------------------------------------------  ##    --------------------------------------------------------------------------------
25    
26    
27  package Data::Compare::Struct;  package Data::Mungle::Compare::Struct;
28    
29  use strict;  use strict;
30  use warnings;  use warnings;
# Line 32  sub getRelations { Line 45  sub getRelations {
45    my @a = @{$a_ref};    my @a = @{$a_ref};
46    my @b = @{$b_ref};    my @b = @{$b_ref};
47    
48    my @isect = my @diff = my @union = ();    # BUGFIX 2004-05-12: following declaration of arrays occures an strange perl error:
49      # 'Bizarre copy of ARRAY in aassign at ..<PATH_TO>/<THIS_FILE> line <NEXT LINE>'
50      # (at PERL 5.8.4, Debian/unstable/experimental)
51      #
52      #my @isect = my @diff = my @union = ();
53      #
54      # so use normal declaration instead!!
55      my @isect = ();
56      my @diff = ();
57      my @union = ();
58    
59    my $e;    my $e;
60    my %count;    my %count;
61        
# Line 70  sub isEmpty { Line 93  sub isEmpty {
93    
94    #print "isEmpty is parsing variable ( ref $ref reftype $reftype )", "\n";    #print "isEmpty is parsing variable ( ref $ref reftype $reftype )", "\n";
95        
96    #print Dumper($var);
97      
98    my $found;    my $found;
99    
100    if ($ref eq 'Set::Object') {    if ($ref eq 'Set::Object') {
101      $found = 1;      $found = 1;
102      #print "members:", "\n";  #print "members:", "\n";
103      #print Dumper($var->members());  #print Dumper($var->members());
104      #print "\n";  #print "\n";
105      my $tc = { ok => 0, count => 0, empty => 0 };      my $tc = { ok => 0, count => 0, empty => 0 };
106      foreach ($var->members()) {      foreach ($var->members()) {
107    #print "member!!", "\n";
108        #print "empty: ", isEmpty($_), "\n";        #print "empty: ", isEmpty($_), "\n";
109        #$tc->{ok} = 1;        #$tc->{ok} = 1;
110        $tc->{count}++;        $tc->{count}++;
111        $tc->{empty}++ if isEmpty($_);        $tc->{empty}++ if isEmpty($_);
112        #return $result if $result;        #return $result if $result;
113      }      }
114    
115    #print Dumper($tc);
116            
117      return 1 if ($tc->{count} == $tc->{empty});      return 1 if ($tc->{count} == $tc->{empty});
118      return 0;      return 0;
119            
120    }    }
121    
122    if ($reftype eq 'HASH') {    if ($reftype eq 'ARRAY') {
123        my @arr = @$var;
124        my $isReallyEmpty = ($#arr == -1 ? 1 : 0);
125        return 1 if $isReallyEmpty;
126        $found = 1;
127        foreach (@arr) {
128          #return 0 if defined $_;
129          #return 1 if isEmpty($_);
130          return 0 if !isEmpty($_);
131        }
132    
133      } elsif ($reftype eq 'HASH') {
134        my $empty = 1;
135      $found = 1;      $found = 1;
136      foreach (keys %$var) {      foreach (keys %$var) {
137    # TODO: review and fix this!
138  =pod  =pod
139        # recursion        # recursion
140        if (ref $var->{$_} eq 'Set::Object') {        if (ref $var->{$_} eq 'Set::Object') {
# Line 106  sub isEmpty { Line 147  sub isEmpty {
147  =cut  =cut
148        next if ref $var->{$_} eq 'Set::Object';        next if ref $var->{$_} eq 'Set::Object';
149        #return 0 if defined $var->{$_};        #return 0 if defined $var->{$_};
150        return 1 if isEmpty($var->{$_});        #return 1 if isEmpty($var->{$_});
151      }        my $elem_empty = isEmpty($var->{$_});
152          
153    } elsif ($reftype eq 'ARRAY') {  #print "elem: $elem_empty\n";
154      $found = 1;        $empty &&= $elem_empty;
     foreach (@$var) {  
       return 0 if defined $_;  
155      }      }
156        return $empty;
157        #return 0;
158        
159    } else {    } else {
160      $found = 1;      $found = 1;
# Line 124  sub isEmpty { Line 165  sub isEmpty {
165      print "isEmpty could not parse variable ( ref $ref reftype $reftype )", "\n";      print "isEmpty could not parse variable ( ref $ref reftype $reftype )", "\n";
166    }    }
167    
168      #print "EMPTY!!!", "\n";
169    
170    return 1;    return 1;
171        
172  }  }
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