annotate Lib/IMPL/DOM/Schema/Validator/Compare.pm @ 331:2ff1726c066c

removed operation contract (due it's useless)
author cin
date Wed, 05 Jun 2013 18:21:11 +0400
parents 89179bb8c388
children 5aff94ba842f
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1 package IMPL::DOM::Schema::Validator::Compare;
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2 use strict;
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3
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4 use parent qw(IMPL::DOM::Schema::Validator);
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5
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6 use IMPL::Resources::Format qw(FormatMessage);
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7 use IMPL::Class::Property;
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8
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9 BEGIN {
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10 public property targetProperty => prop_all;
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11 public property op => prop_all;
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12 public property nodePath => prop_all;
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13 public property optional => prop_all;
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14 private property _pathTranslated => prop_all;
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15 private property _targetNode => prop_all;
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16 private property _sourceSchema => prop_all;
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17 public property message => prop_all;
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18 }
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19
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20 our %CTOR = (
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21 'IMPL::DOM::Schema::Validator' => sub {
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22 my %args = @_;
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23 $args{nodeName} ||= 'Compare';
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24 delete @args{qw(targetProperty op nodePath optional message)};
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25 %args;
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26 }
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27 );
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28
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29 our %Ops = (
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30 '=' => \&_equals,
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31 'eq' => \&_equalsString,
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32 '!=' => \&_notEquals,
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33 'ne' => \&_notEqualsString,
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34 '=~' => \&_matchRx,
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35 '!~' => \&_notMatchRx,
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36 '<' => \&_less,
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37 '>' => \&_greater,
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38 'lt' => \&_lessString,
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39 'gt' => \&_greaterString
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40 );
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41
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42 my $rxOps = map qr/$_/, join( '|', keys %Ops );
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43
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44 sub CTOR {
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45 my ($this,%args) = @_;
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46
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47 $this->targetProperty($args{targetProperty} || 'nodeValue');
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48 $this->op( $Ops{ $args{op} || '=' } ) or die new IMPL::InvalidArgumentException("Invalid parameter value",'op',$args{op},$this->path);
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49 $this->nodePath($args{nodePath}) or die new IMPL::InvalidArgumentException("The argument is required", 'nodePath', $this->path);
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50 $this->message($args{message} || 'The value of %node.path% %source.op% %value% (%source.nodePath%)' );
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51 $this->optional($args{optional}) if $args{optional};
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52 }
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53
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54 sub TranslatePath {
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55 my ($this,$path) = @_;
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56
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57 $path ||= '';
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58
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59 my @selectQuery;
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60
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61 my $i = 0;
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62
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63 foreach my $chunk (split /\//,$path) {
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64 $chunk = 'document:*' if $i == 0 and not length $chunk;
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65 next if not length $chunk;
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66
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67 my $query;
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68 my ($axis,$filter) = ( $chunk =~ /^(?:(\w+):)?(.*)$/);
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69
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70 if ($filter =~ /^\w+|\*$/ ) {
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71 $query = $filter eq '*' ? undef : $filter;
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72 } elsif ( $filter =~ /^(\w+|\*)\s*((?:\[\s*\w+\s*(?:=|!=|=~|!~|eq|ne|lt|gt)\s*["'](?:[^\\'"]|\\[\\"'])*["']\])+)$/) {
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73 my ($nodeName,$filterArgs) = ($1,$2);
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74
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75
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76 my @parsedFilters = map {
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77 my ($prop,$op,$value) = ($_ =~ /\s*(\w+)\s*(=|!=|=~|!~|eq|ne|lt|gt)\s*(?:["']((?:[^\\'"]|\\[\\"'])*)["'])/);
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78
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79 $value =~ s/\\[\\'"]/$1/g;
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80 {
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81 prop => $prop,
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82 op => $Ops{$op},
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83 value => $value
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84 }
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85 } grep ( $_, split ( /[\]\[]+/,$filterArgs ) );
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86
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87 $query = sub {
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88 my ($node) = shift;
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89
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90 $node->nodeName eq $nodeName or return 0 if $nodeName ne '*';
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91 $_->{op}->(
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92 _resovleProperty($node,$_->{prop}),
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93 FormatMessage($_->{value},{
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94 Schema => $this->parentNode,
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95 Node => $this->_targetNode,
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96 schema => $this->parentNode,
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97 node => $this->_targetNode,
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98 source => $this->_sourceSchema
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99 },\&_resovleProperty)
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100 ) or return 0 foreach @parsedFilters;
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101 return 1;
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102 };
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103 } else {
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104 die new IMPL::Exception("Invalid query syntax",$path,$chunk);
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105 }
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106
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107 push @selectQuery, $axis ? { $axis => $query } : $query;
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108
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109 $i++;
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110 }
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111
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112 return \@selectQuery;
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113 }
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114
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115 sub Validate {
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116 my ($this,$node,$ctx) = @_;
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117
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118 my @result;
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119
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120 my $Source = $ctx && $ctx->{Source} || $this->parentNode;
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121
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122 $this->_sourceSchema($Source);
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123
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124 $this->_targetNode($node);
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125
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126 my $query = $this->_pathTranslated() || $this->_pathTranslated($this->TranslatePath($this->nodePath));
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127
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128 my ($foreignNode) = $node->selectNodes(@$query);
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129
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131
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132 if ($foreignNode) {
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133 my $value = $this->nodeValue;
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134
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135 if ($value) {
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136 $value = FormatMessage($value, { Schema => $this->parentNode, Node => $this->_targetNode, ForeignNode => $foreignNode },\&_resovleProperty);
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137 } else {
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138 $value = $foreignNode->nodeValue;
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139 }
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140
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141 push @result, new IMPL::DOM::Schema::ValidationError(
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142 node => $node,
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143 foreignNode => $foreignNode,
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144 value => $value,
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145 source => $Source,
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146 schema => $this->parentNode,
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147 message => $this->message
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148 ) unless $this->op->(_resovleProperty($node,$this->targetProperty),$value);
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149 } elsif (not $this->optional) {
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150 push @result, new IMPL::DOM::Schema::ValidationError(
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151 node => $node,
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152 value => '',
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153 source => $Source,
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154 schema => $this->parentNode,
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155 message => $this->message
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156 );
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157 }
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158
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159 $this->_targetNode(undef);
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160 $this->_sourceSchema(undef);
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161
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162 return @result;
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163 }
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164
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165 sub _resovleProperty {
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166 my ($node,$prop) = @_;
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167
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168 return $node->can($prop) ? $node->$prop() : $node->nodeProperty($prop);
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169 }
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170
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171 sub _matchRx {
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172 $_[0] =~ $_[1];
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173 }
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174
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175 sub _notMatchRx {
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176 $_[0] !~ $_[1];
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177 }
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178
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179 sub _equals {
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180 $_[0] == $_[1];
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181 }
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182
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183 sub _notEquals {
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184 $_[0] != $_[0];
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185 }
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186
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187 sub _equalsString {
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188 $_[0] eq $_[1];
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189 }
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190
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191 sub _notEqualsString {
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192 $_[0] ne $_[1];
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193 }
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194
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195 sub _less {
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196 $_[0] < $_[1];
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197 }
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198
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199 sub _greater {
194
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200 $_[0] > $_[1];
104
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201 }
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202
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203 sub _lessString {
194
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204 $_[0] lt $_[1];
104
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205 }
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206
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207 sub _greaterString {
194
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cin
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208 $_[0] gt $_[1];
104
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209 }
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210
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211 sub _lessEq {
194
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212 $_[0] <= $_[1];
104
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213 }
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214
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215 sub _greaterEq {
194
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216 $_[0] >= $_[1];
104
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217 }
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218
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219 1;
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220
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221 __END__
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222
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223 =pod
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224
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225 =head1 NAME
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226
180
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227 C<IMPL::DOM::Schema::Validator::Compare> - ограничение на содержимое текущего узла,
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228 сравнивая его со значением другого узла.
104
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229
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230 =head1 SYNOPSIS
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231
180
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232 Пример типа описания поля с проверочным полем
104
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233
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234 =begin code xml
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235
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236 <schema>
194
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237 <SimpleType type="retype_field">
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238 <Property name="linkedNode" message="Для узла %Node.nodeName% необходимо задать свойство %Source.name%"/>
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239 <Compare op="eq" nodePath="sibling:*[nodeName eq '%Node.linkedNode%']"/>
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240 </SimpleType>
104
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241 </schema>
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242
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243 =begin code xml
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244
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245 =head1 DESCRIPTION
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246
180
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247 Позволяет сравнивать значение текущего узла со значением другого узла.
104
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248
180
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249 =cut