1 |
joko |
1.1 |
## -------------------------------------------------------------------------------- |
2 |
joko |
1.4 |
## $Id: Struct.pm,v 1.3 2002/12/13 21:47:04 joko Exp $ |
3 |
joko |
1.1 |
## -------------------------------------------------------------------------------- |
4 |
joko |
1.2 |
## $Log: Struct.pm,v $ |
5 |
joko |
1.4 |
## Revision 1.3 2002/12/13 21:47:04 joko |
6 |
|
|
## + fixes to 'sub isEmpty' |
7 |
|
|
## |
8 |
joko |
1.3 |
## Revision 1.2 2002/12/05 07:56:34 joko |
9 |
|
|
## + updated/enhanced isEmpty (hacky?) |
10 |
|
|
## |
11 |
joko |
1.2 |
## Revision 1.1 2002/11/29 04:49:30 joko |
12 |
|
|
## + initial check-in |
13 |
|
|
## |
14 |
joko |
1.1 |
## -------------------------------------------------------------------------------- |
15 |
|
|
|
16 |
|
|
|
17 |
|
|
package Data::Compare::Struct; |
18 |
|
|
|
19 |
|
|
use strict; |
20 |
|
|
use warnings; |
21 |
|
|
|
22 |
|
|
require Exporter; |
23 |
|
|
our @ISA = qw( Exporter ); |
24 |
|
|
our @EXPORT_OK = qw( |
25 |
|
|
&getRelations |
26 |
|
|
&getDifference |
27 |
|
|
&isEmpty |
28 |
|
|
); |
29 |
|
|
|
30 |
|
|
use Data::Dumper; |
31 |
|
|
|
32 |
|
|
sub getRelations { |
33 |
|
|
my $a_ref = shift; |
34 |
|
|
my $b_ref = shift; |
35 |
|
|
my @a = @{$a_ref}; |
36 |
|
|
my @b = @{$b_ref}; |
37 |
|
|
|
38 |
|
|
my @isect = my @diff = my @union = (); |
39 |
|
|
my $e; |
40 |
|
|
my %count; |
41 |
|
|
|
42 |
|
|
foreach $e (@a, @b) { $count{$e}++ } |
43 |
|
|
|
44 |
|
|
foreach $e (keys %count) { |
45 |
|
|
push(@union, $e); |
46 |
|
|
push @{ $count{$e} == 2 ? \@isect : \@diff }, $e; |
47 |
|
|
} |
48 |
|
|
|
49 |
|
|
# bugfix: a diff is no diff if we don't even have an isect |
50 |
|
|
@diff = undef if !@isect; |
51 |
|
|
|
52 |
|
|
my $result = { |
53 |
|
|
union => \@union, |
54 |
|
|
isect => \@isect, |
55 |
|
|
diff => \@diff, |
56 |
|
|
}; |
57 |
|
|
|
58 |
|
|
return $result; |
59 |
|
|
|
60 |
|
|
} |
61 |
|
|
|
62 |
|
|
sub getDifference { |
63 |
|
|
my $res = getRelations(shift, shift); |
64 |
|
|
return $res->{diff}; |
65 |
|
|
} |
66 |
|
|
|
67 |
|
|
sub isEmpty { |
68 |
joko |
1.2 |
|
69 |
joko |
1.1 |
my $var = shift; |
70 |
joko |
1.2 |
my $ref = ref($var); |
71 |
|
|
my $reftype = ''; |
72 |
|
|
$reftype = attributes::reftype($var) if $ref; |
73 |
|
|
|
74 |
|
|
#print "isEmpty is parsing variable ( ref $ref reftype $reftype )", "\n"; |
75 |
|
|
|
76 |
joko |
1.3 |
#print Dumper($var); |
77 |
|
|
|
78 |
joko |
1.2 |
my $found; |
79 |
|
|
|
80 |
|
|
if ($ref eq 'Set::Object') { |
81 |
|
|
$found = 1; |
82 |
joko |
1.3 |
#print "members:", "\n"; |
83 |
|
|
#print Dumper($var->members()); |
84 |
|
|
#print "\n"; |
85 |
joko |
1.2 |
my $tc = { ok => 0, count => 0, empty => 0 }; |
86 |
|
|
foreach ($var->members()) { |
87 |
joko |
1.3 |
#print "member!!", "\n"; |
88 |
joko |
1.2 |
#print "empty: ", isEmpty($_), "\n"; |
89 |
|
|
#$tc->{ok} = 1; |
90 |
|
|
$tc->{count}++; |
91 |
|
|
$tc->{empty}++ if isEmpty($_); |
92 |
|
|
#return $result if $result; |
93 |
|
|
} |
94 |
joko |
1.3 |
|
95 |
|
|
#print Dumper($tc); |
96 |
joko |
1.2 |
|
97 |
|
|
return 1 if ($tc->{count} == $tc->{empty}); |
98 |
|
|
return 0; |
99 |
|
|
|
100 |
|
|
} |
101 |
joko |
1.1 |
|
102 |
joko |
1.3 |
if ($reftype eq 'ARRAY') { |
103 |
|
|
my @arr = @$var; |
104 |
|
|
my $isReallyEmpty = ($#arr == -1 ? 1 : 0); |
105 |
|
|
return 1 if $isReallyEmpty; |
106 |
|
|
$found = 1; |
107 |
joko |
1.4 |
foreach (@arr) { |
108 |
|
|
#return 0 if defined $_; |
109 |
|
|
#return 1 if isEmpty($_); |
110 |
|
|
return 0 if !isEmpty($_); |
111 |
joko |
1.3 |
} |
112 |
|
|
|
113 |
|
|
} elsif ($reftype eq 'HASH') { |
114 |
|
|
my $empty = 1; |
115 |
joko |
1.2 |
$found = 1; |
116 |
joko |
1.1 |
foreach (keys %$var) { |
117 |
joko |
1.3 |
# TODO: review and fix this! |
118 |
joko |
1.2 |
=pod |
119 |
|
|
# recursion |
120 |
|
|
if (ref $var->{$_} eq 'Set::Object') { |
121 |
|
|
print "==========set", "\n"; |
122 |
|
|
if (isEmpty($var->{$_})) { |
123 |
|
|
return 0; |
124 |
|
|
#next; |
125 |
|
|
} |
126 |
|
|
} |
127 |
|
|
=cut |
128 |
|
|
next if ref $var->{$_} eq 'Set::Object'; |
129 |
|
|
#return 0 if defined $var->{$_}; |
130 |
joko |
1.3 |
#return 1 if isEmpty($var->{$_}); |
131 |
|
|
my $elem_empty = isEmpty($var->{$_}); |
132 |
|
|
|
133 |
|
|
#print "elem: $elem_empty\n"; |
134 |
|
|
$empty &&= $elem_empty; |
135 |
joko |
1.1 |
} |
136 |
joko |
1.3 |
return $empty; |
137 |
|
|
#return 0; |
138 |
joko |
1.2 |
|
139 |
|
|
} else { |
140 |
|
|
$found = 1; |
141 |
|
|
return 0 if defined $var; |
142 |
|
|
} |
143 |
|
|
|
144 |
|
|
if (!$found) { |
145 |
|
|
print "isEmpty could not parse variable ( ref $ref reftype $reftype )", "\n"; |
146 |
joko |
1.1 |
} |
147 |
joko |
1.4 |
|
148 |
|
|
#print "EMPTY!!!", "\n"; |
149 |
joko |
1.1 |
|
150 |
|
|
return 1; |
151 |
joko |
1.2 |
|
152 |
joko |
1.1 |
} |
153 |
|
|
|
154 |
|
|
1; |