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=head1 NAME |
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Templer::Plugin::Perl - A simple inline-perl plugin |
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=cut |
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=head1 DESCRIPTION |
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This class implements a formatter plugin for C<templer> which allows |
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inline code to be executed as the page is generated. |
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This is carried out via the L<Text::Template> module, and allows input |
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such as this to be executed: |
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=for example begin |
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Title: This is my page |
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format: perl |
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name: Steve |
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---- |
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<p>The sum of 1 + 1 is { 1 + 1 }.</p> |
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<p>My name is { $name }</p> |
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=for example end |
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=cut |
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=head1 LICENSE |
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This module is free software; you can redistribute it and/or modify it |
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under the terms of either: |
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a) the GNU General Public License as published by the Free Software |
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Foundation; either version 2, or (at your option) any later version, |
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or |
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b) the Perl "Artistic License". |
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=cut |
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=head1 AUTHOR |
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Steve Kemp <steve@steve.org.uk> |
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=cut |
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=head1 COPYRIGHT AND LICENSE |
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Copyright (C) 2012-2015 Steve Kemp <steve@steve.org.uk>. |
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This library is free software. You can modify and or distribute it under |
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the same terms as Perl itself. |
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=cut |
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57
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=head1 METHODS |
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=cut |
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use strict; |
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use warnings; |
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package Templer::Plugin::Perl; |
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=head2 new |
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Constructor. No arguments are supported/expected. |
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=cut |
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sub new |
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{ |
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5
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1
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my ( $proto, %supplied ) = (@_); |
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5
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my $class = ref($proto) || $proto; |
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81
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my $self = {}; |
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bless( $self, $class ); |
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return $self; |
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} |
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87
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=head2 available |
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89
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This plugin is available if we've got the L<Text::Template> module. |
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91
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=cut |
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93
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sub available |
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{ |
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my $str = "use Text::Template;"; |
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98
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2
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1
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eval($str); |
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1
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1
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549
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1
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2306
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1
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27
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1
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1
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1
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1
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25
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99
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100
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101
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2
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return ( $@ ? undef : 1 ); |
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} |
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104
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105
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=head2 format |
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106
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107
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Format the given text. |
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108
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109
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=cut |
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111
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sub format |
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{ |
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1
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1
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my ( $self, $str, $data ) = (@_); |
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115
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1
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3
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if ( $self->available() ) |
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{ |
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1
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4
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my $template = |
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Text::Template->new( TYPE => "STRING", |
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SOURCE => $str ); |
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1
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return ( $template->fill_in( HASH => $data ) ); |
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} |
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else |
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{ |
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0
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warn |
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125
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"Perl formatting disabled as the Text::Template module isn't present.\n"; |
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0
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$str; |
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} |
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128
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} |
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129
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130
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Templer::Plugin::Factory->new() |
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131
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->register_formatter( "perl", "Templer::Plugin::Perl" ); |
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