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package VoiceXML::Client::Item::SubDialog; |
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use base qw (VoiceXML::Client::Item); |
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use VoiceXML::Client::Util; |
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use VoiceXML::Client::Item::Util; |
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=head1 COPYRIGHT AND LICENSE |
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Copyright (C) 2007,2008 by Pat Deegan. |
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All rights reserved |
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http://voicexml.psychogenic.com |
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This library is released under the terms of the GNU GPL version 3, making it available only for |
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free programs ("free" here being used in the sense of the GPL, see http://www.gnu.org for more details). |
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Anyone wishing to use this library within a proprietary or otherwise non-GPLed program MUST contact psychogenic.com to |
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acquire a distinct license for their application. This approach encourages the use of free software |
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while allowing for proprietary solutions that support further development. |
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This file is part of VoiceXML::Client. |
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VoiceXML::Client is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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VoiceXML::Client is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with VoiceXML::Client. If not, see . |
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=cut |
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use strict; |
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use vars qw{ |
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$VERSION |
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}; |
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$VERSION = '1.02'; |
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sub init { |
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my $self = shift; |
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my $src = $self->{'XMLElement'}->attribute('src'); |
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unless ( (defined $src) && length($src)) |
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{ |
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VoiceXML::Client::Util::log_msg("subdialog item must have 'src' set."); |
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return undef; |
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} |
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$self->{'src'} = $src; |
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my $cond = $self->{'XMLElement'}->attribute('cond'); |
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if (defined $cond && length($cond)) |
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{ |
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$self->{'cond'} = $cond; |
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} |
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return 1; |
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} |
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sub execute { |
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my $self = shift; |
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my $handle = shift; |
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my $optParams = shift; |
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my $vxmlDoc = $self->getParentVXMLDocument(); |
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if (exists $self->{'cond'}) |
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{ |
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return $VoiceXML::Client::Flow::Directive{'CONTINUE'} |
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unless ($self->evaluateCondition($self->{'cond'}, $vxmlDoc)); |
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} |
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my $src = $self->{'src'}; |
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my $formID; |
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if ($src =~ m/^#(.+)/) |
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{ |
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$formID = $1; |
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} else { |
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VoiceXML::Client::Util::log_msg("Subdialog::execute() can only handle #internal src for now"); |
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return $VoiceXML::Client::Flow::Directive{'CONTINUE'}; |
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} |
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my $form = $vxmlDoc->getForm($formID); |
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if (! $form ) |
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{ |
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VoiceXML::Client::Util::log_msg("Subdialog::execute() can not find form $formID in document"); |
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return $VoiceXML::Client::Flow::Directive{'CONTINUE'}; |
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} |
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if ($self->{'parent'}) |
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{ |
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$self->{'parent'}->proceedToNextChild(); |
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} |
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VoiceXML::Client::Util::log_msg("Subdialog jumping to form $formID") if ($VoiceXML::Client::Debug); |
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my $parentForm = $self->getParentForm(); |
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$parentForm->clearAutoGuard(); |
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$form->enterSub(); |
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$vxmlDoc->nextFormId($formID); |
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return $VoiceXML::Client::Flow::Directive{'JUMP'}; |
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} |
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sub evaluateCondition { |
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my $self = shift; |
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my $condition = shift || ''; |
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my $vxmlDoc = shift || $self->getParentVXMLDocument(); |
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return VoiceXML::Client::Item::Util->evaluateCondition($self, $condition, $vxmlDoc); |
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} |
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1; |