/usr/share/perl5/Object/InsideOut/Dump.pm is in libobject-insideout-perl 4.02-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | package Object::InsideOut; {
use strict;
use warnings;
no warnings 'redefine';
# Installs object dumper and loader methods
sub dump
{
my ($GBL, $call, @args) = @_;
push(@{$$GBL{'export'}}, 'dump');
$$GBL{'init'} = 1;
*Object::InsideOut::dump = sub
{
my $self = shift;
my $d_flds = $$GBL{'dump'}{'fld'};
# Extract field info from any :InitArgs hashes
while (my $pkg = shift(@{$$GBL{'dump'}{'args'}})) {
my $p_args = $$GBL{'args'}{$pkg};
foreach my $name (keys(%{$p_args})) {
my $val = $$p_args{$name};
next if (ref($val) ne 'HASH');
if (my $field = $$val{'_F'}) {
$$d_flds{$pkg} ||= {};
if (add_dump_field('InitArgs', $name, $field, $$d_flds{$pkg}) eq 'conflict') {
OIO::Code->die(
'message' => 'Cannot dump object',
'Info' => "In class '$pkg', '$name' refers to two different fields set by 'InitArgs' and '$$d_flds{$pkg}{$name}{'src'}'");
}
}
}
}
# Must call ->dump() as an object method
if (! Scalar::Util::blessed($self)) {
OIO::Method->die('message' => q/'dump' called as a class method/);
}
# Gather data from the object's class tree
my %dump;
my $fld_refs = $$GBL{'fld'}{'ref'};
my $dumpers = $$GBL{'dump'}{'dumper'};
my $weak = $$GBL{'fld'}{'weak'};
foreach my $pkg (@{$$GBL{'tree'}{'td'}{ref($self)}}) {
# Try to use a class-supplied dumper
if (my $dumper = $$dumpers{$pkg}) {
local $SIG{'__DIE__'} = 'OIO::trap';
$dump{$pkg} = $self->$dumper();
} elsif ($$fld_refs{$pkg}) {
# Dump the data ourselves from all known class fields
my @fields = @{$$fld_refs{$pkg}};
# Fields for which we have names
foreach my $name (keys(%{$$d_flds{$pkg}})) {
my $field = $$d_flds{$pkg}{$name}{'fld'};
if (ref($field) eq 'HASH') {
if (exists($$field{$$self})) {
$dump{$pkg}{$name} = $$field{$$self};
}
} else {
if (defined($$field[$$self])) {
$dump{$pkg}{$name} = $$field[$$self];
}
}
if ($$weak{$field} && exists($dump{$pkg}{$name})) {
Scalar::Util::weaken($dump{$pkg}{$name});
}
@fields = grep { $_ != $field } @fields;
}
# Fields for which names are not known
foreach my $field (@fields) {
if (ref($field) eq 'HASH') {
if (exists($$field{$$self})) {
$dump{$pkg}{$field} = $$field{$$self};
}
} else {
if (defined($$field[$$self])) {
$dump{$pkg}{$field} = $$field[$$self];
}
}
if ($$weak{$field} && exists($dump{$pkg}{$field})) {
Scalar::Util::weaken($dump{$pkg}{$field});
}
}
}
}
# Package up the object's class and its data
my $output = [ ref($self), \%dump ];
# Create a string version of dumped data if arg is true
if ($_[0]) {
require Data::Dumper;
local $Data::Dumper::Indent = 1;
$output = Data::Dumper::Dumper($output);
chomp($output);
$output =~ s/^\$VAR1 = //; # Remove leading '$VAR1 = '
$output =~ s/;$//s; # Remove trailing semi-colon
}
# Done - send back the dumped data
return ($output);
};
*Object::InsideOut::pump = sub
{
my $input = shift;
# Check usage
if ($input) {
if ($input eq 'Object::InsideOut') {
$input = shift; # Called as a class method
} elsif (Scalar::Util::blessed($input)) {
OIO::Method->die('message' => q/'pump' called as an object method/);
}
}
# Must have an arg
if (! $input) {
OIO::Args->die('message' => 'Missing argument to pump()');
}
# Convert string input to array ref, if needed
if (! ref($input)) {
my @errs;
local $SIG{'__WARN__'} = sub { push(@errs, @_); };
my $array_ref;
eval "\$array_ref = $input";
if ($@ || @errs) {
my ($err) = split(/ at /, $@ || join(" | ", @errs));
OIO::Args->die(
'message' => 'Failure converting dump string back to hash ref',
'Error' => $err,
'Arg' => $input);
}
$input = $array_ref;
}
# Check input
if (ref($input) ne 'ARRAY') {
OIO::Args->die('message' => 'Argument to pump() is not an array ref');
}
# Extract class name and object data
my ($class, $dump) = @{$input};
if (! defined($class) || ref($dump) ne 'HASH') {
OIO::Args->die('message' => 'Argument to pump() is invalid');
}
# Create a new 'bare' object
my $self = _obj($class);
# Store object data
foreach my $pkg (keys(%{$dump})) {
if (! exists($$GBL{'tree'}{'td'}{$pkg})) {
OIO::Args->die('message' => "Unknown class: $pkg");
}
my $data = $$dump{$pkg};
# Try to use a class-supplied pumper
if (my $pumper = $$GBL{'dump'}{'pumper'}{$pkg}) {
local $SIG{'__DIE__'} = 'OIO::trap';
$self->$pumper($data);
} else {
# Pump in the data ourselves
foreach my $fld_name (keys(%{$data})) {
my $value = $$data{$fld_name};
if (my $field = $$GBL{'dump'}{'fld'}{$pkg}{$fld_name}{'fld'}) {
$self->set($field, $value);
} else {
if ($fld_name =~ /^(?:HASH|ARRAY)/) {
OIO::Args->die(
'message' => "Unnamed field encounted in class '$pkg'",
'Arg' => "$fld_name => $value");
} else {
OIO::Args->die(
'message' => "Unknown field name for class '$pkg': $fld_name");
}
}
}
}
}
# Done - return the object
return ($self);
};
# Do the original call
@_ = @args;
goto &$call;
}
} # End of package's lexical scope
# Ensure correct versioning
($Object::InsideOut::VERSION eq '4.02')
or die("Version mismatch\n");
# EOF
|