comparison lib/IMPL/DOM/Schema/Validator/Compare.pm @ 407:c6e90e02dd17 ref20150831

renamed Lib->lib
author cin
date Fri, 04 Sep 2015 19:40:23 +0300
parents
children
comparison
equal deleted inserted replaced
406:f23fcb19d3c1 407:c6e90e02dd17
1 package IMPL::DOM::Schema::Validator::Compare;
2 use strict;
3
4 use IMPL::Const qw(:prop);
5 use IMPL::declare {
6 require => {
7 Label => 'IMPL::DOM::Schema::Label',
8 ValidationError => 'IMPL::DOM::Schema::ValidationError'
9 },
10 base => [
11 'IMPL::DOM::Schema::Validator' => sub {
12 my %args = @_;
13 $args{nodeName} ||= 'Compare';
14 delete @args{qw(targetProperty op nodePath optional message)};
15 %args;
16 }
17 ],
18 props => [
19 targetProperty => PROP_RW,
20 op => PROP_RW,
21 nodePath => PROP_RW,
22 optional => PROP_RW,
23 _pathTranslated => PROP_RW,
24 _targetNode => PROP_RW,
25 _schemaNode => PROP_RW,
26 message => PROP_RW
27 ]
28 };
29 use IMPL::Resources::Format qw(FormatMessage);
30
31 our %Ops = (
32 '=' => \&_equals,
33 'eq' => \&_equalsString,
34 '!=' => \&_notEquals,
35 'ne' => \&_notEqualsString,
36 '=~' => \&_matchRx,
37 '!~' => \&_notMatchRx,
38 '<' => \&_less,
39 '>' => \&_greater,
40 'lt' => \&_lessString,
41 'gt' => \&_greaterString
42 );
43
44 my $rxOps = map qr/$_/, join( '|', keys %Ops );
45
46 sub CTOR {
47 my ($this,%args) = @_;
48
49 $this->targetProperty($args{targetProperty} || 'nodeValue');
50 $this->op( $Ops{ $args{op} || '=' } ) or die new IMPL::InvalidArgumentException("Invalid parameter value",'op',$args{op},$this->path);
51 $this->nodePath($args{nodePath}) or die new IMPL::InvalidArgumentException("The argument is required", 'nodePath', $this->path);
52 $this->message($args{message} || 'The value of %node.path% %schemaNode.op% %value% (%schemaNode.nodePath%)' );
53 $this->optional($args{optional}) if $args{optional};
54 }
55
56 sub TranslatePath {
57 my ($this,$path) = @_;
58
59 $path ||= '';
60
61 my @selectQuery;
62
63 my $i = 0;
64
65 foreach my $chunk (split /\//,$path) {
66 $chunk = 'document:*' if $i == 0 and not length $chunk;
67 next if not length $chunk;
68
69 my $query;
70 my ($axis,$filter) = ( $chunk =~ /^(?:(\w+):)?(.*)$/);
71
72 if ($filter =~ /^\w+|\*$/ ) {
73 $query = $filter eq '*' ? undef : $filter;
74 } elsif ( $filter =~ /^(\w+|\*)\s*((?:\[\s*\w+\s*(?:=|!=|=~|!~|eq|ne|lt|gt)\s*["'](?:[^\\'"]|\\[\\"'])*["']\])+)$/) {
75 my ($nodeName,$filterArgs) = ($1,$2);
76
77
78 my @parsedFilters = map {
79 my ($prop,$op,$value) = ($_ =~ /\s*(\w+)\s*(=|!=|=~|!~|eq|ne|lt|gt)\s*(?:["']((?:[^\\'"]|\\[\\"'])*)["'])/);
80
81 $value =~ s/\\[\\'"]/$1/g;
82 {
83 prop => $prop,
84 op => $Ops{$op},
85 value => $value
86 }
87 } grep ( $_, split ( /[\]\[]+/,$filterArgs ) );
88
89 $query = sub {
90 my ($node) = shift;
91
92 $node->nodeName eq $nodeName or return 0 if $nodeName ne '*';
93 $_->{op}->(
94 _resovleProperty($node,$_->{prop}),
95 FormatMessage($_->{value},{
96 Schema => $this->parentNode,
97 Node => $this->_targetNode,
98 schema => $this->parentNode,
99 schemaType => $this->parentNode,
100 node => $this->_targetNode,
101 source => $this->_schemaNode,
102 schemaNode => $this->_schemaNode
103 },\&_resovleProperty)
104 ) or return 0 foreach @parsedFilters;
105 return 1;
106 };
107 } else {
108 die new IMPL::Exception("Invalid query syntax",$path,$chunk);
109 }
110
111 push @selectQuery, $axis ? { $axis => $query } : $query;
112
113 $i++;
114 }
115
116 return \@selectQuery;
117 }
118
119 sub Validate {
120 my ($this,$node,$ctx) = @_;
121
122 my @result;
123
124 my $schemaNode = $ctx->{schemaNode};
125 my $schemaType = $ctx->{schemaType};
126
127 $this->_schemaNode($schemaNode);
128
129 $this->_targetNode($node);
130
131 my $query = $this->_pathTranslated() || $this->_pathTranslated($this->TranslatePath($this->nodePath));
132
133 my ($foreignNode) = $node->selectNodes(@$query);
134
135
136
137 if ($foreignNode) {
138 my $value = $this->nodeValue;
139
140 if ($value) {
141 $value = FormatMessage($value, { Schema => $this->parentNode, Node => $this->_targetNode, ForeignNode => $foreignNode },\&_resovleProperty);
142 } else {
143 $value = $foreignNode->nodeValue;
144 }
145
146 push @result, ValidationError->new(
147 node => $node,
148 foreignNode => $foreignNode,
149 value => $value,
150 schemaNode => $schemaNode,
151 schemaType => $schemaType,
152 message => $this->_MakeLabel($this->message)
153 ) unless $this->op->(_resovleProperty($node,$this->targetProperty),$value);
154 } elsif (not $this->optional) {
155 push @result, ValidationError->new(
156 node => $node,
157 value => '',
158 schemaNode => $schemaNode,
159 schemaType => $schemaType,
160 message => $this->_MakeLabel( $this->message )
161 );
162 }
163
164 $this->_targetNode(undef);
165 $this->_schemaNode(undef);
166
167 return @result;
168 }
169
170 sub _resovleProperty {
171 my ($node,$prop) = @_;
172
173 return $node->can($prop) ? $node->$prop() : $node->nodeProperty($prop);
174 }
175
176 sub _matchRx {
177 $_[0] =~ $_[1];
178 }
179
180 sub _notMatchRx {
181 $_[0] !~ $_[1];
182 }
183
184 sub _equals {
185 $_[0] == $_[1];
186 }
187
188 sub _notEquals {
189 $_[0] != $_[0];
190 }
191
192 sub _equalsString {
193 $_[0] eq $_[1];
194 }
195
196 sub _notEqualsString {
197 $_[0] ne $_[1];
198 }
199
200 sub _less {
201 $_[0] < $_[1];
202 }
203
204 sub _greater {
205 $_[0] > $_[1];
206 }
207
208 sub _lessString {
209 $_[0] lt $_[1];
210 }
211
212 sub _greaterString {
213 $_[0] gt $_[1];
214 }
215
216 sub _lessEq {
217 $_[0] <= $_[1];
218 }
219
220 sub _greaterEq {
221 $_[0] >= $_[1];
222 }
223
224 sub _MakeLabel {
225 my ($this,$label) = @_;
226
227 if ($label =~ /^ID:(\w+)$/) {
228 return Label->new($this->document->stringMap, $1);
229 } else {
230 return $label;
231 }
232 }
233
234 1;
235
236 __END__
237
238 =pod
239
240 =head1 NAME
241
242 C<IMPL::DOM::Schema::Validator::Compare> - ограничение на содержимое текущего узла,
243 сравнивая его со значением другого узла.
244
245 =head1 SYNOPSIS
246
247 Пример типа описания поля с проверочным полем
248
249 =begin code xml
250
251 <schema>
252 <SimpleType type="retype_field">
253 <Property name="linkedNode" message="Для узла %node.nodeName% необходимо задать свойство %schemaNode.name%"/>
254 <Compare op="eq" nodePath="sibling:*[nodeName eq '%node.linkedNode%']"/>
255 </SimpleType>
256 </schema>
257
258 =begin code xml
259
260 =head1 DESCRIPTION
261
262 Позволяет сравнивать значение текущего узла со значением другого узла.
263
264 =cut