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Template::Constants(3)					User Contributed Perl Documentation				    Template::Constants(3)

Template::Constants - Defines constants for the Template Toolkit SYNOPSIS
use Template::Constants qw( :status :error :all ); DESCRIPTION
The "Template::Constants" modules defines, and optionally exports into the caller's namespace, a number of constants used by the Template package. Constants may be used by specifying the "Template::Constants" package explicitly: use Template::Constants; print Template::Constants::STATUS_DECLINED; Constants may be imported into the caller's namespace by naming them as options to the "use Template::Constants" statement: use Template::Constants qw( STATUS_DECLINED ); print STATUS_DECLINED; Alternatively, one of the following tagset identifiers may be specified to import sets of constants: '":status"', '":error"', '":all"'. use Template::Constants qw( :status ); print STATUS_DECLINED; Consult the documentation for the "Exporter" module for more information on exporting variables. EXPORTABLE TAG SETS
The following tag sets and associated constants are defined: :status STATUS_OK # no problem, continue STATUS_RETURN # ended current block then continue (ok) STATUS_STOP # controlled stop (ok) STATUS_DONE # iterator is all done (ok) STATUS_DECLINED # provider declined to service request (ok) STATUS_ERROR # general error condition (not ok) :error ERROR_RETURN # return a status code (e.g. 'stop') ERROR_FILE # file error: I/O, parse, recursion ERROR_UNDEF # undefined variable value used ERROR_PERL # error in [% PERL %] block ERROR_FILTER # filter error ERROR_PLUGIN # plugin error :chomp # for PRE_CHOMP and POST_CHOMP CHOMP_NONE # do not remove whitespace CHOMP_ONE # remove whitespace to newline CHOMP_ALL # old name for CHOMP_ONE (deprecated) CHOMP_COLLAPSE # collapse whitespace to a single space CHOMP_GREEDY # remove all whitespace including newlines :debug DEBUG_OFF # do nothing DEBUG_ON # basic debugging flag DEBUG_UNDEF # throw undef on undefined variables DEBUG_VARS # general variable debugging DEBUG_DIRS # directive debugging DEBUG_STASH # general stash debugging DEBUG_CONTEXT # context debugging DEBUG_PARSER # parser debugging DEBUG_PROVIDER # provider debugging DEBUG_PLUGINS # plugins debugging DEBUG_FILTERS # filters debugging DEBUG_SERVICE # context debugging DEBUG_ALL # everything DEBUG_CALLER # add caller file/line info DEBUG_FLAGS # bitmap used internally :all All the above constants. AUTHOR
Andy Wardley <> <> COPYRIGHT
Copyright (C) 1996-2007 Andy Wardley. All Rights Reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
Template, "Exporter" perl v5.16.3 2011-12-20 Template::Constants(3)

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Template::Plugins(3pm)					User Contributed Perl Documentation				    Template::Plugins(3pm)

Template::Plugins - Plugin provider module SYNOPSIS
use Template::Plugins; $plugin_provider = Template::Plugins->new(\%options); ($plugin, $error) = $plugin_provider->fetch($name, @args); DESCRIPTION
The "Template::Plugins" module defines a provider class which can be used to load and instantiate Template Toolkit plugin modules. METHODS
new(\%params) Constructor method which instantiates and returns a reference to a "Template::Plugins" object. A reference to a hash array of configuration items may be passed as a parameter. These are described below. Note that the Template front-end module creates a "Template::Plugins" provider, passing all configuration items. Thus, the examples shown below in the form: $plugprov = Template::Plugins->new({ PLUGIN_BASE => 'MyTemplate::Plugin', LOAD_PERL => 1, ... }); can also be used via the Template module as: $ttengine = Template->new({ PLUGIN_BASE => 'MyTemplate::Plugin', LOAD_PERL => 1, ... }); as well as the more explicit form of: $plugprov = Template::Plugins->new({ PLUGIN_BASE => 'MyTemplate::Plugin', LOAD_PERL => 1, ... }); $ttengine = Template->new({ LOAD_PLUGINS => [ $plugprov ], }); fetch($name, @args) Called to request that a plugin of a given name be provided. The relevant module is first loaded (if necessary) and the load() class method called to return the factory class name (usually the same package name) or a factory object (a prototype). The new() method is then called as a class or object method against the factory, passing all remaining parameters. Returns a reference to a new plugin object or "($error, STATUS_ERROR)" on error. May also return "(undef, STATUS_DECLINED)" to decline to serve the request. If "TOLERANT" is set then all errors will be returned as declines. CONFIGURATION OPTIONS
The following list summarises the configuration options that can be provided to the "Template::Plugins" new() constructor. Please consult Template::Manual::Config for further details and examples of each configuration option in use. PLUGINS The PLUGINS option can be used to provide a reference to a hash array that maps plugin names to Perl module names. my $plugins = Template::Plugins->new({ PLUGINS => { cgi => 'MyOrg::Template::Plugin::CGI', foo => 'MyOrg::Template::Plugin::Foo', bar => 'MyOrg::Template::Plugin::Bar', }, }); PLUGIN_BASE If a plugin is not defined in the PLUGINS hash then the PLUGIN_BASE is used to attempt to construct a correct Perl module name which can be successfully loaded. # single value PLUGIN_BASE my $plugins = Template::Plugins->new({ PLUGIN_BASE => 'MyOrg::Template::Plugin', }); # multiple value PLUGIN_BASE my $plugins = Template::Plugins->new({ PLUGIN_BASE => [ 'MyOrg::Template::Plugin', 'YourOrg::Template::Plugin' ], }); LOAD_PERL The LOAD_PERL option can be set to allow you to load regular Perl modules (i.e. those that don't reside in the "Template::Plugin" or another user-defined namespace) as plugins. If a plugin cannot be loaded using the PLUGINS or PLUGIN_BASE approaches then, if the LOAD_PERL is set, the provider will make a final attempt to load the module without prepending any prefix to the module path. Unlike regular plugins, modules loaded using LOAD_PERL do not receive a Template::Context reference as the first argument to the "new()" constructor method. TOLERANT The TOLERANT flag can be set to indicate that the "Template::Plugins" module should ignore any errors encountered while loading a plugin and instead return "STATUS_DECLINED". DEBUG The DEBUG option can be used to enable debugging messages for the "Template::Plugins" module by setting it to include the "DEBUG_PLUGINS" value. use Template::Constants qw( :debug ); my $template = Template->new({ DEBUG => DEBUG_FILTERS | DEBUG_PLUGINS, }); TEMPLATE TOOLKIT PLUGINS
Please see Template::Manual::Plugins For a complete list of all the plugin modules distributed with the Template Toolkit. AUTHOR
Andy Wardley <> <> COPYRIGHT
Copyright (C) 1996-2007 Andy Wardley. All Rights Reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
Template::Manual::Plugins, Template::Plugin, Template::Context, Template. perl v5.14.2 2012-01-21 Template::Plugins(3pm)
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