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package MVC::Neaf::View; |
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use strict; |
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use warnings; |
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2015
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our $VERSION = '0.2800_01'; |
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=head1 NAME |
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MVC::Neaf::View - Base [V]iew for Not Even A Framework. |
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=head1 DESCRIPTION |
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Subclass this class to make your own content rendering engine under Neaf. |
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Neaf stands for Not Even A Framework. It works by |
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(1) getting a hash from a sub which is pathetically called Controller, |
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and (2) passing that hash over to an object called View. |
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A subset of hash keys is used to control the framework's own behaviour. |
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Such -keys -are -prefixed -with -a -dash for greater visibility. |
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These keys are NOT guaranteed to get to your engine, |
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unless documentation explicitly states otherwise. |
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View in turn has a single method called C. |
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B Please always use C<$self-Edir($path)> whenever dealing with |
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templates or resources when subclassing this class. |
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=head1 METHODS |
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As of current, the one and only method (except constructor) |
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is needed, C. |
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=cut |
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use Carp; |
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use parent qw(MVC::Neaf::X); |
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=head2 new( %options ) |
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Options may include: |
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=over |
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=item * on_render - a callback to be called in the render sub was not defined. |
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Useful if you are too lazy to subclass. |
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=item * neaf_base_path - a directory to calculate relative template paths from. |
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=back |
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B The constructor of this particular class happily encloses itself |
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over any data one gives to it. No checks are performed. |
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This may change in the future. |
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=cut |
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=head2 render( \%hash ) |
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C MUST return a pair of values: |
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my ($content, $content_type) = $obj->render( \%hash ); |
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C MAY die, resulting in a special view being processed, |
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or a text error message as a last resort. |
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=cut |
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sub render { |
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my $self = shift; |
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return $self->{on_render}->(shift) if exists $self->{on_render}; |
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croak( (ref $self)."->render() unimplemented (in MVC::Neaf::View)" ); |
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}; |
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=head1 CONCLUSION |
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There are a lot of templating engines, serializers etc. in the world. |
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The author of this tiny framework is not able to keep an eye on all of them. |
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Thus making your custom views is encouraged. |
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Please send patches, improvements, suggestions and bug reports to |
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L |
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=cut |
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=head1 LICENSE AND COPYRIGHT |
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This module is part of L suite. |
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Copyright 2016-2023 Konstantin S. Uvarin C. |
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This program is free software; you can redistribute it and/or modify it |
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under the terms of either: the GNU General Public License as published |
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by the Free Software Foundation; or the Artistic License. |
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See L for more information. |
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=cut |
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1; |