annotate Lib/IMPL/Object/Abstract.pm @ 94:79bf75223afe

Fixed security related bugs
author wizard
date Thu, 29 Apr 2010 01:31:27 +0400
parents 0667064553ef
children c6fb6964de4c
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1 package IMPL::Object::Abstract;
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2 use strict;
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3 use warnings;
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4
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5 use base qw(IMPL::Class::Meta);
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6
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7 our $MemoryLeakProtection;
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8 my $Cleanup = 0;
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9
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10 my %cacheCTOR;
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11
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12 my $t = 0;
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13 sub cache_ctor {
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14 my $class = shift;
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15
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16 no strict 'refs';
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17 my @sequence;
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18
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19 my $refCTORS = *{"${class}::CTOR"}{HASH};
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20
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21 foreach my $super ( @{"${class}::ISA"} ) {
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22 my $superSequence = $cacheCTOR{$super} || cache_ctor($super);
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23
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24 my $mapper = $refCTORS ? $refCTORS->{$super} : undef;
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25 if (ref $mapper eq 'CODE') {
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26 if ($mapper == *_pass_throgh_mapper{CODE}) {
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27 push @sequence,@$superSequence;
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28 } else {
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29 push @sequence, sub {
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30 my $this = shift;
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31 $this->$_($mapper->(@_)) foreach @$superSequence;
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32 };
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33 }
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34 } else {
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35 warn "Unsupported mapper type, in '$class' for the super class '$super'" if $mapper;
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36 push @sequence, sub {
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37 my $this = shift;
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38 $this->$_() foreach @$superSequence;
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39 };
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40 }
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41 }
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42
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43 push @sequence, *{"${class}::CTOR"}{CODE} if *{"${class}::CTOR"}{CODE};
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44
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45 $cacheCTOR{$class} = \@sequence;
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46 return \@sequence;
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47 }
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48
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49 sub dump_ctor {
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50 my ($self) = @_;
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51 $self = ref $self || $self;
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52
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53 warn "dumping $self .ctor";
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54 warn "$_" foreach @{$cacheCTOR{$self}||[]};
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55 }
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56
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57 sub callCTOR {
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58 my $self = shift;
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59 my $class = ref $self;
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60
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61 $self->$_(@_) foreach @{$cacheCTOR{$class} || cache_ctor($class)};
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62 }
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63
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64 sub superCTOR {
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65 my $this = shift;
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66
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67 warn "The mehod is deprecated, at " . caller;
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68 }
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69
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70 sub toString {
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71 my $self = shift;
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72
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73 return (ref $self || $self);
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74 }
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75
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76 sub type {
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77 ref $_[0] || $_[0];
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78 }
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79
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80 sub isDisposed {
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81 0;
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82 }
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83
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84 #sub DESTROY {
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85 # if ($MemoryLeakProtection and $Cleanup) {
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86 # my $this = shift;
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87 # warn sprintf("Object leaks: %s of type %s %s",$this->can('ToString') ? $this->ToString : $this,ref $this,UNIVERSAL::can($this,'_dump') ? $this->_dump : '');
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88 # }
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89 #}
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90
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91 sub END {
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92 $Cleanup = 1;
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93 }
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94
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95 sub _pass_throgh_mapper {
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96 @_;
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97 }
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98
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99 sub PassArgs {
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100 \&_pass_throgh_mapper;
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101 }
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102
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103 sub PassThroughArgs {
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104 my $class = shift;
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105 $class = ref $class || $class;
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106 no strict 'refs';
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107 no warnings 'once';
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108 ${"${class}::CTOR"}{$_} = \&_pass_throgh_mapper foreach @{"${class}::ISA"};
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109 }
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110
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111 package self;
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112
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113 our $AUTOLOAD;
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114 sub AUTOLOAD {
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115 goto &{caller(). substr $AUTOLOAD,4};
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116 }
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117
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118 package supercall;
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119
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120 our $AUTOLOAD;
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121 sub AUTOLOAD {
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122 my $sub;
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123 my $methodName = substr $AUTOLOAD,11;
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124 no strict 'refs';
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125 $sub = $_->can($methodName) and $sub->(@_) foreach @{caller().'::ISA'};
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126 }
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127
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128 1;
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129
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130 __END__
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131
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132 =pod
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133 =head1 SYNOPSIS
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134
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135 package MyBaseObject;
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136 use base qw(IMPL::Object::Abstract);
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137
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138 sub new {
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139 # own implementation of the new opeator
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140 }
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141
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142 sub surrogate {
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143 # own implementation of the surrogate operator
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144 }
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145
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146 =head1 DESCRIPTION
49
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147
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148 Реализация механизма вызова конструкторов и других вспомогательных вещей, кроме операторов
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149 создания экземпляров.
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150 =cut