Mercurial > pub > Impl
annotate Lib/IMPL/DOM/Navigator/SchemaNavigator.pm @ 245:7c517134c42f
Added Unsupported media type Web exception
corrected resourceLocation setting in the resource
Implemented localizable resources for text messages
fixed TT view scopings, INIT block in controls now sets globals correctly.
| author | sergey |
|---|---|
| date | Mon, 29 Oct 2012 03:15:22 +0400 |
| parents | 2904da230022 |
| children | 2746a8e5a6c4 |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::DOM::Navigator::SchemaNavigator; |
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 165 | 5 use parent qw(IMPL::DOM::Navigator); |
| 49 | 6 use IMPL::Class::Property; |
| 7 use IMPL::Class::Property::Direct; | |
| 8 | |
| 9 require IMPL::DOM::Schema::ComplexType; | |
| 10 require IMPL::DOM::Schema::NodeSet; | |
| 11 require IMPL::DOM::Schema::AnyNode; | |
| 12 | |
| 13 __PACKAGE__->PassThroughArgs; | |
| 14 | |
| 15 BEGIN { | |
| 16 public _direct property Schema => prop_get; | |
| 17 private _direct property _historySteps => prop_all; | |
| 18 } | |
| 19 | |
| 20 sub CTOR { | |
| 21 my ($this,$schema) = @_; | |
| 22 | |
| 23 $this->{$Schema} = $schema; | |
| 24 | |
| 236 | 25 die new IMPL::InvalidArgumentException("A schema object is required") unless $schema->isa('IMPL::DOM::Schema') || $schema->isa('IMPL::DOM::Schema::ComplexNode'); |
| 49 | 26 } |
| 27 | |
| 28 my $schemaAnyNode = IMPL::DOM::Schema::ComplexType->new(type => '::AnyNodeType', nativeType => 'IMPL::DOM::ComplexNode')->appendRange( | |
| 29 IMPL::DOM::Schema::NodeSet->new()->appendRange( | |
| 30 IMPL::DOM::Schema::AnyNode->new() | |
| 31 ) | |
| 32 ); | |
| 33 | |
| 34 sub NavigateName { | |
| 35 my ($this,$name) = @_; | |
| 36 | |
| 37 die new IMPL::InvalidArgumentException('name is required') unless defined $name; | |
| 38 | |
| 39 # perform a safe navigation | |
| 40 #return dosafe $this sub { | |
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41 my $steps = 0; |
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42 # if we are currently in a ComplexNode, first go to it's content |
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43 if ($this->Current->isa('IMPL::DOM::Schema::ComplexNode')) { |
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44 # navigate to it's content |
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45 # ComplexNode |
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46 $this->internalNavigateNodeSet($this->Current->content); |
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47 $steps ++; |
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48 } |
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49 |
| 49 | 50 # navigate to node |
| 51 if ( | |
| 52 my $node = $this->Navigate( sub { | |
| 53 $_->isa('IMPL::DOM::Schema::Node') and ( | |
| 54 $_->name eq $name | |
| 55 or | |
| 56 $_->nodeName eq 'AnyNode' | |
| 57 or | |
| 58 ( $_->nodeName eq 'SwitchNode' and $_->selectNodes( sub { $_->name eq $name } ) ) | |
| 59 ) | |
| 60 }) | |
| 61 ) { | |
| 194 | 62 $steps ++; |
| 49 | 63 if ($node->nodeName eq 'AnyNode') { |
| 64 # if we navigate to the anynode | |
| 65 # assume it to be ComplexType by default | |
| 66 $node = $node->type ? $this->{$Schema}->resolveType($node->type) : $schemaAnyNode; | |
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67 $this->internalNavigateNodeSet($node); |
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68 $steps ++; |
| 49 | 69 } elsif ($node->nodeName eq 'SwitchNode') { |
| 70 # if we are in the switchnode | |
| 71 # navigate to the target node | |
| 72 $node = $this->Navigate(sub { $_->name eq $name }); | |
| 73 $steps ++; | |
| 74 } | |
| 75 | |
| 76 if ($node->nodeName eq 'Node') { | |
| 77 # if we navigate to a reference | |
| 78 # resolve it | |
| 79 $node = $this->{$Schema}->resolveType($node->type); | |
| 80 $this->internalNavigateNodeSet($node); | |
| 81 $steps++; | |
| 82 } | |
| 83 | |
| 84 push @{$this->{$_historySteps}},$steps; | |
| 85 | |
| 86 # return found node schema | |
| 87 return $node; | |
| 88 } else { | |
| 230 | 89 return; # abort navigation |
| 49 | 90 } |
| 91 #} | |
| 92 } | |
| 93 | |
| 94 sub SchemaBack { | |
| 95 my ($this) = @_; | |
| 96 | |
| 97 $this->Back(pop @{$this->{$_historySteps}}) if $this->{$_historySteps}; | |
| 98 } | |
| 99 | |
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100 sub SourceSchemaNode { |
| 194 | 101 my ($this) = @_; |
| 102 | |
| 103 if ($this->Current->isa('IMPL::DOM::Schema::SimpleType') or | |
| 104 $this->Current->isa('IMPL::DOM::Schema::ComplexType') | |
| 105 ) { | |
| 230 | 106 # we are redirected |
| 194 | 107 return $this->GetNodeFromHistory(-1); |
| 108 } else { | |
| 109 return $this->Current; | |
| 110 } | |
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111 } |
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112 |
| 49 | 113 1; |
| 114 __END__ | |
| 115 | |
| 116 =pod | |
| 117 | |
| 118 =head1 DESCRIPTION | |
| 119 | |
| 180 | 120 Помимо стандартных методов навигации позволяет переходить по элементам документа, |
| 121 который данной схемой описывается. | |
| 49 | 122 |
| 123 =head1 METHODS | |
| 124 | |
| 125 =over | |
| 126 | |
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127 =item C<NavigateName($name)> |
| 49 | 128 |
| 180 | 129 Переходит на схему узла с указанным именем. Тоесть использует свойство C<name>. |
| 49 | 130 |
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131 =item C<SchemaBack> |
| 49 | 132 |
| 180 | 133 Возвращается на позицию до последней операции C<NavigateName>. Данный метод нужен |
| 134 посокольку операция навигации по элементам описываемым схемой может приводить к | |
| 135 нескольким операциям навигации по самой схеме. | |
| 49 | 136 |
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137 =item C<SourceSchemaNode> |
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138 |
| 180 | 139 Получает схему узла из которого было выполнено перенаправление, например, C<IMPL::DOM::Schema::Node>. |
| 140 В остальных случаях совпадает со свойством C<Current>. | |
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141 |
| 49 | 142 =back |
| 143 | |
| 144 =cut |