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package Devel::ebug::Wx::View::Expressions; |
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1845
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use Wx; |
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use strict; |
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use base qw(Wx::Panel Devel::ebug::Wx::View::Base); |
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use Devel::ebug::Wx::Plugin qw(:plugin); |
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# FIXME: ought to be a service, too |
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__PACKAGE__->mk_accessors( qw(tree model) ); |
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use Wx qw(:treectrl :textctrl :sizer WXK_DELETE); |
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use Wx::Event qw(EVT_BUTTON EVT_TREE_ITEM_EXPANDING EVT_TEXT_ENTER |
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EVT_TREE_BEGIN_LABEL_EDIT EVT_TREE_END_LABEL_EDIT |
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EVT_TREE_KEY_DOWN); |
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use Wx::Perl::TreeView; |
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sub tag { 'expressions' } |
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sub description { 'Expressions' } |
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# FIXME backport to wxPerl |
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sub _call_on_idle($&) { |
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my( $window, $code ) = @_; |
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use Wx::Event qw(EVT_IDLE); |
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# Disconnecting like this is unsafe... |
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my $callback = sub { |
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EVT_IDLE( $window, undef ); |
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$code->(); |
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}; |
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EVT_IDLE( $window, $callback ); |
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} |
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sub new : View { |
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my( $class, $parent, $wxebug, $layout_state ) = @_; |
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my $self = $class->SUPER::new( $parent, -1 ); |
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$self->wxebug( $wxebug ); |
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my $tree = Wx::TreeCtrl->new( $self, -1, [-1,-1], [-1,-1], |
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wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | |
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wxTR_EDIT_LABELS ); |
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$self->{model} = Devel::ebug::Wx::View::Expressions::Model->new |
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( { _expressions => [], |
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_values => [], |
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ebug => $self->ebug } ); |
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$self->{tree} = Wx::Perl::TreeView->new( $tree, $self->model ); |
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my $refresh = Wx::Button->new( $self, -1, 'Refresh' ); |
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my $add = Wx::Button->new( $self, -1, 'Add' ); |
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my $expression = Wx::TextCtrl->new( $self, -1, '', [-1, -1], [-1, -1], |
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wxTE_PROCESS_ENTER ); |
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my $sz = Wx::BoxSizer->new( wxVERTICAL ); |
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my $cntrl = Wx::BoxSizer->new( wxHORIZONTAL ); |
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$cntrl->Add( $refresh, 0, 0 ); |
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$cntrl->Add( $add, 0, 0 ); |
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$cntrl->Add( $expression, 1, 0 ); |
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$sz->Add( $cntrl, 0, wxGROW ); |
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$sz->Add( $self->tree->treectrl, 1, wxGROW ); |
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$self->SetSizer( $sz ); |
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$self->subscribe_ebug( 'state_changed', sub { $self->_refresh( @_ ) } ); |
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$self->set_layout_state( $layout_state ) if $layout_state; |
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$self->register_view; |
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EVT_BUTTON( $self, $refresh, sub { $self->refresh } ); |
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EVT_BUTTON( $self, $add, sub { |
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$self->add_expression( $expression->GetValue ); |
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} ); |
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EVT_TEXT_ENTER( $self, $expression, |
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sub { $self->add_expression( $expression->GetValue ) } ); |
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EVT_TREE_BEGIN_LABEL_EDIT( $self, $tree, \&_begin_edit ); |
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EVT_TREE_END_LABEL_EDIT( $self, $tree, \&_end_edit ); |
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EVT_TREE_KEY_DOWN( $self, $tree, \&_key_down ); |
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$self->SetSize( $self->default_size ); |
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return $self; |
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} |
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sub get_state { |
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my( $self ) = @_; |
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return $self->model->_expressions; |
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} |
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sub set_state { |
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my( $self, $state ) = @_; |
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$self->model->{_expressions} = $state; # FIXME check |
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$self->refresh; |
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} |
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sub add_expression { |
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my( $self, $expression ) = @_; |
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$self->model->add_expression( $expression ); |
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$self->refresh; |
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} |
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sub _is_expression { |
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return $_[0]->GetItemParent( $_[1] ) == $_[0]->GetRootItem; |
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} |
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sub _key_down { |
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my( $self, $event ) = @_; |
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return unless $event->GetKeyCode == WXK_DELETE; |
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my $item = $event->GetItem || $self->tree->GetSelection; |
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return unless _is_expression( $self->tree, $item ); |
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$self->model->delete_expression( $self->tree->GetPlData( $item ) ); |
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_call_on_idle $self, sub { $self->refresh }; |
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} |
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# only allow editing root items |
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sub _begin_edit { |
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my( $self, $event ) = @_; |
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my $tree = $self->tree; |
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if( !_is_expression( $tree, $event->GetItem ) ) { |
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$event->Veto; |
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} else { |
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my $expr = $tree->GetPlData( $event->GetItem )->{expression}; |
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$tree->SetItemText( $event->GetItem, $expr ); |
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} |
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} |
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sub _end_edit { |
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my( $self, $event ) = @_; |
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$self->tree->GetPlData( $event->GetItem )->{expression} = $event->GetLabel; |
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_call_on_idle $self, sub { $self->refresh }; |
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} |
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sub _refresh { |
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my( $self, $ebug, $event, %params ) = @_; |
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138
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$self->refresh; |
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} |
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sub refresh { |
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my( $self ) = @_; |
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$self->model->_values( [] ); |
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$self->tree->refresh; |
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} |
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148
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package Devel::ebug::Wx::View::Expressions::Model; |
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150
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use strict; |
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use base qw(Wx::Perl::TreeView::Model Class::Accessor::Fast); |
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153
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__PACKAGE__->mk_accessors( qw(_expressions _values ebug) ); |
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155
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sub expressions { @{$_[0]->_expressions} } |
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157
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sub add_expression { |
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my( $self, $expression ) = @_; |
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160
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push @{$self->_expressions}, { expression => $expression, |
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level => 0, |
162
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}; |
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} |
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165
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sub delete_expression { |
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my( $self, $expression ) = @_; |
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168
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$self->_expressions( [ grep $_ ne $expression, $self->expressions ] ); |
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} |
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171
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sub get_root { return ( '', 'root', undef, undef ) } |
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173
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sub _get { |
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my( $self, $index, $level ) = @_; |
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my $e = $self->_expressions->[$index]; |
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if( $e->{level} < $level ) { |
177
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$e->{level} = $level + 1; |
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$self->_values->[$index] = undef; |
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} |
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my $r = $self->_values->[$index] ||= |
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[ reverse |
182
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$self->ebug->eval_level( $e->{expression}, $e->{level} ) ]; |
183
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return ( $e, $r ); |
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} |
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186
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sub _find_node { |
187
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my( $self, $cookie, $more ) = @_; |
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my( $expr, @path ) = split /,/, $cookie; |
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my( $e, $r ) = _get( $self, $expr, @path + $more ); |
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return _traverse( $self, $r, @path ); |
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} |
192
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193
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sub _traverse { |
194
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my( $self, $r, @path ) = @_; |
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return $r if @path == 0; |
196
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return unless ref( $r->[1] ) && $r->[1]{keys}; |
197
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my $index = shift @path; |
198
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return $r->[1]{keys}[$index] if @path == 0; |
199
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return _traverse( $self, $r->[1]{keys}[$index], @path ); |
200
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} |
201
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202
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sub get_child_count { |
203
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my( $self, $cookie ) = @_; |
204
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return scalar $self->expressions unless length $cookie; |
205
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my $node = _find_node( $self, $cookie, -1 ); |
206
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return 0 if $cookie !~ /,/ && $node->[0]; |
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return $node->[1]{childs} || scalar @{$node->[1]{keys} || []}; |
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} |
209
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210
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sub get_child { |
211
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my( $self, $cookie, $index ) = @_; |
212
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213
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if( !length $cookie ) { |
214
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my( $e, $r ) = _get( $self, $index, 0 ); |
215
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if( $r->[0] ) { |
216
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chomp $r->[1]; |
217
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return ( $index, "$e->{expression} = $r->[1]", undef, $e ); |
218
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} else { |
219
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return ( $index, "$e->{expression} = $r->[1]->{string}", undef, $e ); |
220
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} |
221
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} else { |
222
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my $el = _find_node( $self, "$cookie,$index", 0 ); |
223
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return ( "$cookie,$index", $el->[0] . ' => ' . $el->[1]->{string} ); |
224
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|
|
|
|
|
} |
225
|
|
|
|
|
|
|
} |
226
|
|
|
|
|
|
|
|
227
|
|
|
|
|
|
|
1; |