Mercurial > pub > Impl
annotate Lib/IMPL/DOM/Schema/Validator/Compare.pm @ 397:73f81f4e9570
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date | Mon, 05 May 2014 18:17:03 +0400 |
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1 package IMPL::DOM::Schema::Validator::Compare; |
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2 use strict; |
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3 |
389 | 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 }; | |
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29 use IMPL::Resources::Format qw(FormatMessage); |
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30 |
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31 our %Ops = ( |
194 | 32 '=' => \&_equals, |
33 'eq' => \&_equalsString, | |
34 '!=' => \&_notEquals, | |
35 'ne' => \&_notEqualsString, | |
36 '=~' => \&_matchRx, | |
37 '!~' => \&_notMatchRx, | |
38 '<' => \&_less, | |
39 '>' => \&_greater, | |
40 'lt' => \&_lessString, | |
41 'gt' => \&_greaterString | |
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42 ); |
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43 |
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44 my $rxOps = map qr/$_/, join( '|', keys %Ops ); |
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45 |
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46 sub CTOR { |
194 | 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); | |
389 | 52 $this->message($args{message} || 'The value of %node.path% %schemaNode.op% %value% (%schemaNode.nodePath%)' ); |
194 | 53 $this->optional($args{optional}) if $args{optional}; |
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54 } |
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55 |
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56 sub TranslatePath { |
194 | 57 my ($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; | |
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74 } elsif ( $filter =~ /^(\w+|\*)\s*((?:\[\s*\w+\s*(?:=|!=|=~|!~|eq|ne|lt|gt)\s*["'](?:[^\\'"]|\\[\\"'])*["']\])+)$/) { |
194 | 75 my ($nodeName,$filterArgs) = ($1,$2); |
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76 |
194 | 77 |
78 my @parsedFilters = map { | |
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79 my ($prop,$op,$value) = ($_ =~ /\s*(\w+)\s*(=|!=|=~|!~|eq|ne|lt|gt)\s*(?:["']((?:[^\\'"]|\\[\\"'])*)["'])/); |
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80 |
194 | 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, | |
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97 Node => $this->_targetNode, |
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98 schema => $this->parentNode, |
389 | 99 schemaType => $this->parentNode, |
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100 node => $this->_targetNode, |
389 | 101 source => $this->_schemaNode, |
102 schemaNode => $this->_schemaNode | |
194 | 103 },\&_resovleProperty) |
104 ) or return 0 foreach @parsedFilters; | |
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105 return 1; |
194 | 106 }; |
107 } else { | |
108 die new IMPL::Exception("Invalid query syntax",$path,$chunk); | |
109 } | |
110 | |
111 push @selectQuery, $axis ? { $axis => $query } : $query; | |
112 | |
113 $i++; | |
114 } | |
115 | |
116 return \@selectQuery; | |
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117 } |
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118 |
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119 sub Validate { |
194 | 120 my ($this,$node,$ctx) = @_; |
121 | |
122 my @result; | |
123 | |
389 | 124 my $schemaNode = $ctx->{schemaNode}; |
125 my $schemaType = $ctx->{schemaType}; | |
266
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126 |
389 | 127 $this->_schemaNode($schemaNode); |
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128 |
194 | 129 $this->_targetNode($node); |
130 | |
131 my $query = $this->_pathTranslated() || $this->_pathTranslated($this->TranslatePath($this->nodePath)); | |
132 | |
133 my ($foreignNode) = $node->selectNodes(@$query); | |
134 | |
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135 |
194 | 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 | |
389 | 146 push @result, ValidationError->new( |
236 | 147 node => $node, |
148 foreignNode => $foreignNode, | |
149 value => $value, | |
389 | 150 schemaNode => $schemaNode, |
151 schemaType => $schemaType, | |
152 message => $this->_MakeLabel($this->message) | |
194 | 153 ) unless $this->op->(_resovleProperty($node,$this->targetProperty),$value); |
154 } elsif (not $this->optional) { | |
389 | 155 push @result, ValidationError->new( |
236 | 156 node => $node, |
157 value => '', | |
389 | 158 schemaNode => $schemaNode, |
159 schemaType => $schemaType, | |
160 message => $this->_MakeLabel( $this->message ) | |
194 | 161 ); |
162 } | |
163 | |
164 $this->_targetNode(undef); | |
389 | 165 $this->_schemaNode(undef); |
194 | 166 |
167 return @result; | |
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168 } |
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169 |
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170 sub _resovleProperty { |
194 | 171 my ($node,$prop) = @_; |
172 | |
173 return $node->can($prop) ? $node->$prop() : $node->nodeProperty($prop); | |
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174 } |
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175 |
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176 sub _matchRx { |
194 | 177 $_[0] =~ $_[1]; |
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178 } |
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179 |
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180 sub _notMatchRx { |
194 | 181 $_[0] !~ $_[1]; |
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182 } |
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183 |
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184 sub _equals { |
194 | 185 $_[0] == $_[1]; |
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186 } |
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187 |
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188 sub _notEquals { |
194 | 189 $_[0] != $_[0]; |
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190 } |
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191 |
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192 sub _equalsString { |
194 | 193 $_[0] eq $_[1]; |
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194 } |
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195 |
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196 sub _notEqualsString { |
194 | 197 $_[0] ne $_[1]; |
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198 } |
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199 |
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200 sub _less { |
194 | 201 $_[0] < $_[1]; |
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202 } |
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203 |
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204 sub _greater { |
194 | 205 $_[0] > $_[1]; |
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206 } |
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207 |
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208 sub _lessString { |
194 | 209 $_[0] lt $_[1]; |
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210 } |
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211 |
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212 sub _greaterString { |
194 | 213 $_[0] gt $_[1]; |
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214 } |
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215 |
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216 sub _lessEq { |
194 | 217 $_[0] <= $_[1]; |
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218 } |
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219 |
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220 sub _greaterEq { |
194 | 221 $_[0] >= $_[1]; |
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222 } |
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223 |
389 | 224 sub _MakeLabel { |
225 my ($this,$label) = @_; | |
226 | |
227 if ($label =~ /^ID:(\w+)$/) { | |
228 return Label->new($this->document->stringMap, $1); | |
229 } else { | |
230 return $label; | |
231 } | |
232 } | |
233 | |
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234 1; |
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235 |
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236 __END__ |
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237 |
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238 =pod |
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239 |
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240 =head1 NAME |
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241 |
180 | 242 C<IMPL::DOM::Schema::Validator::Compare> - ограничение на содержимое текущего узла, |
243 сравнивая его со значением другого узла. | |
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244 |
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245 =head1 SYNOPSIS |
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246 |
180 | 247 Пример типа описания поля с проверочным полем |
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248 |
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249 =begin code xml |
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250 |
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251 <schema> |
194 | 252 <SimpleType type="retype_field"> |
389 | 253 <Property name="linkedNode" message="Для узла %node.nodeName% необходимо задать свойство %schemaNode.name%"/> |
254 <Compare op="eq" nodePath="sibling:*[nodeName eq '%node.linkedNode%']"/> | |
194 | 255 </SimpleType> |
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256 </schema> |
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257 |
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258 =begin code xml |
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259 |
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260 =head1 DESCRIPTION |
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261 |
180 | 262 Позволяет сравнивать значение текущего узла со значением другого узла. |
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263 |
180 | 264 =cut |