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<h1 class="headline">Template::Constants</h1>
<h2 class="subhead">Defines constants for the Template Toolkit</h1>
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<pre>use Template::Constants qw( :status :error :all );</pre>
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<p>
The <code>Template::Constants</code> modules defines, and optionally
exports into the caller's namespace, a number of constants used by the <a
href="../../modules/Template.html">Template</a> package.
</p>
<p>
Constants may be used by specifying the <code>Template::Constants</code>
package explicitly:
</p>
<pre>use Template::Constants;
print Template::Constants::STATUS_DECLINED;</pre>
<p>
Constants may be imported into the caller's namespace by naming them as
options to the <code>use Template::Constants</code> statement:
</p>
<pre>use Template::Constants qw( STATUS_DECLINED );
print STATUS_DECLINED;</pre>
<p>
Alternatively, one of the following tagset identifiers may be specified
to import sets of constants: '<code>:status</code>',
'<code>:error</code>', '<code>:all</code>'.
</p>
<pre>use Template::Constants qw( :status );
print STATUS_DECLINED;</pre>
<p>
Consult the documentation for the <code>Exporter</code> module for more
information on exporting variables.
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<h1 id="EXPORTABLE_TAG_SETS" onclick="switch_section(this)" title="Click title to show/hide section content.">EXPORTABLE TAG SETS</h1>
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<p>
The following tag sets and associated constants are defined:
</p>
<pre>: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 <span class="tt">[% PERL %]</span> 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.</pre>
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Andy Wardley <abw@wardley.org> <a
href="http://wardley.org/">http://wardley.org/</a>
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<p>
Copyright (C) 1996-2007 Andy Wardley. All Rights Reserved.
</p>
<p>
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
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<p>
<a href="../../modules/Template.html">Template</a>,
<code>Exporter</code>
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