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1 | package Catalyst::Base; |
2 | |
3 | use strict; |
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4 | use base qw/Catalyst::Component Catalyst::AttrContainer Class::Accessor::Fast/; |
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5 | |
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6 | use Catalyst::Exception; |
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7 | use Catalyst::Utils; |
8 | use Class::Inspector; |
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9 | use NEXT; |
10 | |
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11 | __PACKAGE__->mk_classdata($_) for qw/_dispatch_steps/; |
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12 | |
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13 | __PACKAGE__->_dispatch_steps( [qw/_BEGIN _AUTO _ACTION/] ); |
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14 | |
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15 | sub _DISPATCH : Private { |
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16 | my ( $self, $c ) = @_; |
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17 | |
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18 | foreach my $disp ( @{ $self->_dispatch_steps } ) { |
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19 | last unless $c->forward($disp); |
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20 | } |
21 | |
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22 | $c->forward('_END'); |
23 | } |
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24 | |
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25 | sub _BEGIN : Private { |
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26 | my ( $self, $c ) = @_; |
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27 | my $begin = ( $c->get_actions( 'begin', $c->namespace ) )[-1]; |
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28 | return 1 unless $begin; |
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29 | $begin->execute($c); |
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30 | return !@{ $c->error }; |
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31 | } |
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32 | |
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33 | sub _AUTO : Private { |
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34 | my ( $self, $c ) = @_; |
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35 | my @auto = $c->get_actions( 'auto', $c->namespace ); |
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36 | foreach my $auto (@auto) { |
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37 | $auto->execute($c); |
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38 | return 0 unless $c->state; |
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39 | } |
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40 | return 1; |
41 | } |
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42 | |
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43 | sub _ACTION : Private { |
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44 | my ( $self, $c ) = @_; |
45 | $c->action->execute($c); |
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46 | return !@{ $c->error }; |
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47 | } |
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48 | |
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49 | sub _END : Private { |
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50 | my ( $self, $c ) = @_; |
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51 | my $end = ( $c->get_actions( 'end', $c->namespace ) )[-1]; |
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52 | return 1 unless $end; |
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53 | $end->execute($c); |
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54 | return !@{ $c->error }; |
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55 | } |
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56 | |
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57 | sub action_namespace { |
58 | my ( $self, $c ) = @_; |
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59 | return Catalyst::Utils::class2prefix( ref $self, |
60 | $c->config->{case_sensitive} ) |
61 | || ''; |
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62 | } |
63 | |
64 | sub register_actions { |
65 | my ( $self, $c ) = @_; |
66 | my $class = ref $self || $self; |
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67 | my $namespace = $self->action_namespace($c); |
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68 | my %methods; |
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69 | $methods{ $self->can($_) } = $_ |
70 | for @{ Class::Inspector->methods($class) || [] }; |
71 | |
72 | # Advanced inheritance support for plugins and the like |
73 | my @action_cache; |
74 | { |
75 | no strict 'refs'; |
76 | for my $isa ( @{"$class\::ISA"}, $class ) { |
77 | push @action_cache, @{ $isa->_action_cache } |
78 | if $isa->can('_action_cache'); |
79 | } |
80 | } |
81 | |
82 | foreach my $cache (@action_cache) { |
83 | my $code = $cache->[0]; |
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84 | my $method = $methods{$code}; |
85 | next unless $method; |
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86 | my $attrs = $self->_parse_attrs( @{ $cache->[1] } ); |
87 | if ( $attrs->{Private} && ( keys %$attrs > 1 ) ) { |
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88 | $c->log->debug( 'Bad action definition "' |
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89 | . join( ' ', @{ $cache->[1] } ) |
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90 | . qq/" for "$class->$method"/ ) |
91 | if $c->debug; |
92 | next; |
93 | } |
94 | my $reverse = $namespace ? "$namespace/$method" : $method; |
95 | my $action = Catalyst::Action->new( |
96 | { |
97 | name => $method, |
98 | code => $code, |
99 | reverse => $reverse, |
100 | namespace => $namespace, |
101 | class => $class, |
102 | attributes => $attrs, |
103 | } |
104 | ); |
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105 | $c->dispatcher->register( $c, $action ); |
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106 | } |
107 | } |
108 | |
109 | sub _parse_attrs { |
110 | my ( $self, @attrs ) = @_; |
111 | my %attributes; |
112 | foreach my $attr (@attrs) { |
113 | |
114 | # Parse out :Foo(bar) into Foo => bar etc (and arrayify) |
115 | |
116 | if ( my ( $key, $value ) = ( $attr =~ /^(.*?)(?:\(\s*(.+)\s*\))?$/ ) ) { |
117 | |
118 | if ( defined $value ) { |
119 | ( $value =~ s/^'(.*)'$/$1/ ) || ( $value =~ s/^"(.*)"/$1/ ); |
120 | } |
121 | push( @{ $attributes{$key} }, $value ); |
122 | } |
123 | } |
124 | return \%attributes; |
125 | } |
126 | |
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127 | =head1 NAME |
128 | |
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129 | Catalyst::Base - Catalyst Controller Base Class |
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130 | |
131 | =head1 SYNOPSIS |
132 | |
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133 | |
134 | =head1 DESCRIPTION |
135 | |
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136 | |
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137 | =head1 METHODS |
138 | |
139 | =over 4 |
140 | |
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141 | =back |
142 | |
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143 | =head1 SEE ALSO |
144 | |
145 | L<Catalyst>. |
146 | |
147 | =head1 AUTHOR |
148 | |
149 | Sebastian Riedel, C<sri@cpan.org> |
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150 | Marcus Ramberg, C<mramberg@cpan.org> |
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151 | Matt S Trout, C<mst@shadowcatsystems.co.uk> |
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152 | |
153 | =head1 COPYRIGHT |
154 | |
155 | This program is free software, you can redistribute it and/or modify it under |
156 | the same terms as Perl itself. |
157 | |
158 | =cut |
159 | |
160 | 1; |