158 lines
4.3 KiB
Perl
158 lines
4.3 KiB
Perl
package WebGUI::Asset::Template::Parser;
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=head1 LEGAL
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-------------------------------------------------------------------
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WebGUI is Copyright 2001-2009 Plain Black Corporation.
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-------------------------------------------------------------------
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Please read the legal notices (docs/legal.txt) and the license
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(docs/license.txt) that came with this distribution before using
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this software.
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-------------------------------------------------------------------
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http://www.plainblack.com info@plainblack.com
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-------------------------------------------------------------------
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=cut
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use strict;
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use WebGUI::International;
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use Scalar::Util qw(blessed);
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#-------------------------------------------------------------------
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=head2 addSessionVars ( vars )
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Appends session variables to the variable list.
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=head3 vars
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A reference to the template variable hash.
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=cut
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sub addSessionVars {
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my $self = shift;
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my $vars = shift;
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# These are the only session template variables used in the core as
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# of 6.8.5. Further use of session template vars is deprecated.
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$vars->{"session.user.username"} = $self->session->user->username;
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$vars->{"session.user.firstDayOfWeek"} = $self->session->user->profileField("firstDayOfWeek");
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$vars->{"session.config.extrasurl"} = $self->session->url->extras();
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$vars->{"session.var.adminOn"} = $self->session->var->isAdminOn;
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$vars->{"session.setting.companyName"} = $self->session->setting->get("companyName");
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$vars->{"session.setting.anonymousRegistration"} = $self->session->setting->get("anonymousRegistration");
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my $forms = $self->session->form->paramsHashRef();
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foreach my $field (keys %$forms) {
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if ($forms->{$field}) {
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$vars->{"session.form.".$field} =
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(ref($forms->{$field}) eq 'ARRAY')
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?$forms->{$field}[$forms->{$field}[-1]]
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:$forms->{$field};
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}
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}
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my $scratch = $self->session->scratch->{_data};
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foreach my $field (keys %$scratch) {
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if ($scratch->{$field}) {
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$vars->{"session.scratch.".$field} = $scratch->{$field};
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}
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}
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$vars->{"webgui.version"} = $WebGUI::VERSION;
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$vars->{"webgui.status"} = $WebGUI::STATUS;
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return $vars;
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}
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#-------------------------------------------------------------------
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=head2 downgrade ( vars )
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Removes or converts things HTML::Template-like engines can't handle. Coderefs
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are removed, blessed objects are removed, and hashes are recursively flattened
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by appending keys separated by dots (e.g. { foo => { bar => 'baz' } } becomes
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{ 'foo.bar' => 'baz' }. Also, array elements that aren't hashes are converted
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to hashes via { value => $bareValue }.
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=cut
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sub downgrade {
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my ($self, $vars) = @_;
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for my $k (keys %$vars) {
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my $v = $vars->{$k};
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if (blessed($v) || ref $v eq 'CODE') {
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delete $vars->{$k};
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}
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elsif (ref $v eq 'ARRAY') {
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for my $i (0..$#$v) {
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if (ref $v->[$i] eq 'HASH') {
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$self->downgrade($v->[$i]);
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}
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else {
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my %hash = ( value => $v->[$i] );
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$self->downgrade(\%hash);
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$v->[$i] = \%hash;
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}
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}
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}
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elsif (ref $v eq 'HASH') {
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delete $vars->{$k};
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my %flatter;
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for my $subkey (keys %$v) {
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$flatter{"$k.$subkey"} = $v->{$subkey};
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}
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$self->downgrade(\%flatter);
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@{$vars}{keys %flatter} = values %flatter;
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}
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}
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}
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#-------------------------------------------------------------------
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=head2 new ( session )
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Constructor.
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=head3 session
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A reference to the current session.
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=cut
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sub new {
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my $class = shift;
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my $session = shift;
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bless {_session=>$session}, $class;
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}
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#-------------------------------------------------------------------
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=head2 process ( template, vars )
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Evaluate a template replacing template commands for HTML. This method is required to be overridden.
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=head3 template
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A scalar variable containing the template.
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=head3 vars
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A hash reference containing template variables and loops.
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=cut
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sub process { }
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#-------------------------------------------------------------------
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=head2 session ( )
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A reference to the current session.
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=cut
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sub session {
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my $self = shift;
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return $self->{_session};
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}
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1;
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