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package POE::Component::Lingua::Translate; |
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BEGIN { |
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$POE::Component::Lingua::Translate::AUTHORITY = 'cpan:HINRIK'; |
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} |
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BEGIN { |
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$POE::Component::Lingua::Translate::VERSION = '0.06'; |
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} |
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use strict; |
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use warnings FATAL => 'all'; |
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use Carp; |
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use POE; |
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use POE::Component::Generic; |
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sub new { |
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my ($package, %args) = @_; |
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my $self = bless { }, $package; |
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$self->{alias} = delete $args{alias} if $args{alias}; |
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$self->{trans_args} = \%args; |
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POE::Session->create( |
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object_states => [ |
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$self => { |
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# public events |
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translate => '_translate', |
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shutdown => '_shutdown', |
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}, |
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$self => [ qw(_start _stop _result) ], |
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], |
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); |
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return $self; |
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} |
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sub _start { |
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my ($session, $self) = @_[SESSION, OBJECT]; |
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$self->{session_id} = $session->ID(); |
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if ( $self->{alias} ) { |
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$poe_kernel->alias_set( $self->{alias} ); |
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} |
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else { |
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$poe_kernel->refcount_increment( $self->{session_id} => __PACKAGE__ ); |
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} |
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$self->{trans} = POE::Component::Generic->spawn( |
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package => 'Lingua::Translate', |
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object_options => [ %{ $self->{trans_args} } ], |
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methods => [ qw(translate) ], |
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verbose => 1, |
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); |
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return; |
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} |
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sub _stop { |
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return; |
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} |
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sub _shutdown { |
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my $self = $_[OBJECT]; |
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$poe_kernel->alias_remove( $_ ) for $poe_kernel->alias_list(); |
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$poe_kernel->refcount_decrement( $self->{session_id} => __PACKAGE__ ) if !$self->{alias}; |
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return; |
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} |
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sub _translate { |
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my ($self, $sender, $text, $context) = @_[OBJECT, SENDER, ARG0, ARG1]; |
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$self->{trans}->yield( |
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translate => |
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{ |
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event => '_result', |
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data => { |
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recipient => $sender->ID(), |
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context => $context || { }, |
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}, |
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}, |
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$text, |
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); |
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return; |
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} |
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sub _result { |
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my ($ref, $result) = @_[ARG0, ARG1]; |
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my ($recipient, $context) = @{ $ref->{data} }{ qw(recipient context) }; |
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$poe_kernel->post( |
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$recipient, |
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'translated', |
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$result, |
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$context, |
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($ref->{error} ? $ref->{error} : ()) |
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); |
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return; |
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} |
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sub session_id { |
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my ($self) = @_; |
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return $self->{session_id}; |
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} |
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104
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1; |
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106
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=encoding utf8 |
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108
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=head1 NAME |
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110
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POE::Component::Lingua::Translate - A non-blocking wrapper around L |
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112
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=head1 SYNOPSIS |
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114
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use POE; |
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use POE::Component::Lingua::Translate; |
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117
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POE::Session->create( |
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package_states => [ |
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main => [ qw(_start translated) ], |
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], |
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); |
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123
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$poe_kernel->run(); |
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125
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sub _start { |
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my $heap = $_[HEAP]; |
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$heap->{trans} = POE::Component::Lingua::Translate->new( |
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alias => 'translator', |
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back_end => 'Babelfish', |
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src => 'en', |
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dest => 'de', |
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); |
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$poe_kernel->post(translator => translate => 'This is a sentence'); |
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return; |
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} |
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sub translated { |
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my $result = $_[ARG0]; |
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# prints 'Dieses ist ein Satz' |
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print $result . "\n"; |
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} |
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144
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=head1 DESCRIPTION |
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146
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POE::Component::Lingua::Translate is a L component that provides a |
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non-blocking wrapper around L. It accepts |
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C events and emits C events back. |
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150
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=head1 CONSTRUCTOR |
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=over |
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154
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=item C |
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156
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Arguments |
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158
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'alias', an optional alias for the component's session. |
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160
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Any other arguments will be passed verbatim to L's |
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constructor. |
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163
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=back |
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165
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=head1 METHODS |
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=over |
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169
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=item C |
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171
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Takes no arguments. Returns the POE Session ID of the component. |
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173
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=back |
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175
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=head1 INPUT |
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177
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The POE events this component will accept. |
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=over |
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181
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=item C |
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183
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The first argument should be a string containing some text to translate. The |
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second argument (optional) can be a hash reference containing some context |
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information. You'll get this hash reference back with the C event. |
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=item C |
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189
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Takes no arguments, terminates the component. |
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191
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=back |
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193
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=head1 OUTPUT |
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195
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The POE events emitted by this component. |
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197
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=over |
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199
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=item C |
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201
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ARG0 is the translated text. ARG1 is the context hashref from C. If |
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there was an error, ARG2 will be the error string. |
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204
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=back |
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206
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=head1 AUTHOR |
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208
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Hinrik Ern SigurEsson, hinrik.sig@gmail.com |
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210
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=head1 LICENSE AND COPYRIGHT |
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212
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Copyright 2008 Hinrik Ern SigurEsson |
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214
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This program is free software, you can redistribute it and/or modify |
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it under the same terms as Perl itself. |
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217
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=cut |